{
    "model": {
        "rank": 2426,
        "code": "thing-q131276",
        "model_id": "vr.tr.international-standard-serial-number",
        "name": "International Standard Serial Number",
        "purpose": "Enable an AI agent to recognise an ISSN, verify its assignment to a continuing resource, and decide whether to use it, investigate a mismatch or request an authoritative correction.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/q131276/",
        "tier": 2,
        "score": 106,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "eISSN"
            ],
            "aliasCount": 1,
            "merged": 1,
            "knownIn": 106,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q131276",
                "url": "https://www.wikidata.org/wiki/Q131276",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:15:32Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 14.2,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 83.5,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b25-7df6-7e71-9ef5-cc643049f96d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: International Standard Serial Number\nRegistry id: vr.tr.international-standard-serial-number\nPlane / domain: INF / INF.MED\nRegistry definition: (none"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q131276",
                "registryId": "vr.tr.international-standard-serial-number",
                "name": "International Standard Serial Number",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q131276/",
            "model": {
                "registry_id": "vr.tr.international-standard-serial-number",
                "name": "International Standard Serial Number",
                "purpose": "Enable an AI agent to recognise an ISSN, verify its assignment to a continuing resource, and decide whether to use it, investigate a mismatch or request an authoritative correction.",
                "definition": "",
                "scope_statement": "This model owns the identifier represented by vr.tr.international-standard-serial-number: its expression, validation, assignment evidence, identified resource boundary, linking relationships and fitness for a proposed use.",
                "in_scope": [
                    "ISSN syntax, canonical presentation and check-digit validation",
                    "Evidence connecting an ISSN to an authoritative assignment record",
                    "The identified continuing resource, its key title and medium",
                    "Assignment history, conflicting assertions and correction needs",
                    "Relationships to ISSN-L, other medium versions and preceding or succeeding titles",
                    "Conditions for using the ISSN in matching, citation and catalogue workflows"
                ],
                "out_of_scope": [
                    "Editorial content, scholarly quality and reputation of the identified publication",
                    "Individual articles, issues, volumes and their separate identifiers",
                    "Publisher organisations, ownership and contractual rights",
                    "Subscription products, holdings, licences and access entitlements",
                    "Hosting platforms, URLs and digital preservation infrastructure",
                    "Administration of the ISSN Network as an organisation"
                ],
                "distinguishing_features": [
                    "An ISSN has eight positions: seven digits and a final check character that can be a digit or X; passing the modulus-11 check establishes structural validity, not assignment. [ISSN explanation](https://www.issn.org/understanding-the-issn/what-is-an-issn/)",
                    "Its referent is a continuing resource, rather than a particular article or issue; the model must establish that resource boundary before using the identifier.",
                    "An ISSN identifies a medium version; an ISSN-L has the distinct role of grouping medium versions, even when its characters equal one member ISSN. [ISSN-L guidance](https://www.issn.org/understanding-the-issn/assignment-rules/the-issn-l-for-publications-on-multiple-media/)",
                    "An authoritative assignment connects the identifier to a key title, which can include qualifiers distinguishing otherwise identical publication titles. [Key-title explanation](https://www.issn.org/faq/what-is-an-issn/)",
                    "The code does not encode publication origin or content, and possession of an ISSN does not establish content quality. [ISSN explanation](https://www.issn.org/understanding-the-issn/what-is-an-issn/)"
                ],
                "characteristics": [
                    {
                        "name": "Observed and canonical expression",
                        "kind": "category",
                        "unit_or_values": "Original observed string; canonical NNNN-NNNC expression, where N is a digit and C is a digit or X",
                        "why_it_matters": "Supports comparison while preserving evidence of transcription or display errors."
                    },
                    {
                        "name": "Structural validation result",
                        "kind": "state",
                        "unit_or_values": "Unchecked; malformed; check-digit failure; structurally valid",
                        "why_it_matters": "Prevents a plausible-looking string from being accepted without basic validation."
                    },
                    {
                        "name": "Assignment verification",
                        "kind": "state",
                        "unit_or_values": "Unverified; authority-confirmed; conflicting evidence; unresolved after lookup",
                        "why_it_matters": "Separates an algorithmically valid number from a supported assignment."
                    },
                    {
                        "name": "Identified resource",
                        "kind": "relation",
                        "unit_or_values": "Continuing resource linked through its authoritative key title and assignment record",
                        "why_it_matters": "Establishes what the number actually identifies."
                    },
                    {
                        "name": "Assigned medium",
                        "kind": "category",
                        "unit_or_values": "Medium recorded by the authority, such as print or online; unknown if unverified",
                        "why_it_matters": "Prevents conflating different medium versions of a publication."
                    },
                    {
                        "name": "Authority-recorded identifier status",
                        "kind": "state",
                        "unit_or_values": "Exact status supplied by the consulted authority, or unknown",
                        "why_it_matters": "Keeps authoritative status distinct from local validation and publication activity."
                    },
                    {
                        "name": "ISSN-L association",
                        "kind": "relation",
                        "unit_or_values": "Authority-supported linking ISSN and associated medium versions; unresolved if unsupported",
                        "why_it_matters": "Permits grouping versions without treating their identifiers as interchangeable."
                    },
                    {
                        "name": "Title continuity relationships",
                        "kind": "relation",
                        "unit_or_values": "Documented predecessor, successor, merger, split or other title relationships",
                        "why_it_matters": "Supports historical retrieval without collapsing distinct assignments."
                    },
                    {
                        "name": "Verification age",
                        "kind": "measurement",
                        "unit_or_values": "Elapsed days since the supporting assignment record was checked",
                        "why_it_matters": "Helps decide whether a consequential use requires another authority lookup."
                    },
                    {
                        "name": "Observed use alignment",
                        "kind": "state",
                        "unit_or_values": "Matches assigned resource and medium; resource mismatch; medium mismatch; unresolved",
                        "why_it_matters": "Detects a real ISSN displayed on the wrong publication or version."
                    }
                ],
                "affordances": [
                    "Normalise an observed ISSN and validate its check digit while preserving the original evidence",
                    "Look up an assignment and compare its key title and medium with the claimed publication",
                    "Match catalogue records at the identified resource and medium level",
                    "Group medium versions through a verified ISSN-L association",
                    "Follow documented title relationships to retrieve earlier or later publications",
                    "Prepare an assignment or correction request for the responsible ISSN centre when evidence requires authoritative action"
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "issn-expression",
                        "name": "ISSN expression",
                        "description": "Recognise the identifier in text and test its structural integrity.",
                        "rationale": "A transcription error must be distinguished from a valid number used for the wrong resource.",
                        "layers": [
                            {
                                "id": "observed-expression",
                                "name": "Observed expression",
                                "description": "Preserve how and where the candidate identifier appeared.",
                                "findings": [
                                    {
                                        "id": "canonical-issn",
                                        "name": "Canonical ISSN",
                                        "description": "Record the original string, its surrounding label and any unambiguous formatting normalisation.",
                                        "questions": [
                                            {
                                                "text": "What exact characters and ISSN or ISSN-L label were observed?",
                                                "kind": "provenance",
                                                "id": "canonical-issn-q01"
                                            },
                                            {
                                                "text": "Can the expression be normalised without guessing missing or ambiguous characters?",
                                                "kind": "action",
                                                "id": "canonical-issn-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "check-digit-validation",
                                "name": "Check-digit validation",
                                "description": "Evaluate structural validity independently of assignment evidence.",
                                "findings": [
                                    {
                                        "id": "structural-test-result",
                                        "name": "Structural test result",
                                        "description": "Record whether the candidate passes the format and modulus-11 checks without silently repairing it.",
                                        "questions": [
                                            {
                                                "text": "Does the candidate have seven initial digits and an allowed final check character?",
                                                "kind": "measurement",
                                                "id": "structural-test-result-q01"
                                            },
                                            {
                                                "text": "Does the calculated check character match the observed final character?",
                                                "kind": "measurement",
                                                "id": "structural-test-result-q02"
                                            },
                                            {
                                                "text": "If validation fails, what source must be checked before proposing a correction?",
                                                "kind": "action",
                                                "id": "structural-test-result-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "assignment-evidence",
                        "name": "Assignment evidence",
                        "description": "Establish whether the number has a supported ISSN assignment.",
                        "rationale": "Checksum validity and publisher display alone cannot settle authoritative assignment.",
                        "layers": [
                            {
                                "id": "authority-record",
                                "name": "Authority record",
                                "description": "Connect the candidate to an inspected ISSN authority record.",
                                "findings": [
                                    {
                                        "id": "verified-assignment",
                                        "name": "Verified assignment",
                                        "description": "Record the consulted authority, record reference, access date and evidence actually available.",
                                        "questions": [
                                            {
                                                "text": "Which inspected ISSN Network record or assignment communication supports this number?",
                                                "kind": "provenance",
                                                "id": "verified-assignment-q01"
                                            },
                                            {
                                                "text": "Which assignment details were visible, and which remain inaccessible or unverified?",
                                                "kind": "boundary",
                                                "id": "verified-assignment-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "assignment-discrepancies",
                                "name": "Assignment discrepancies",
                                "description": "Keep identifier status and conflicting claims explicit.",
                                "findings": [
                                    {
                                        "id": "status-and-conflict",
                                        "name": "Status and conflict",
                                        "description": "Preserve authority-supplied status separately from local conclusions and secondary-source assertions.",
                                        "questions": [
                                            {
                                                "text": "What identifier status does the authority explicitly report?",
                                                "kind": "provenance",
                                                "id": "status-and-conflict-q01"
                                            },
                                            {
                                                "text": "Do publisher pages or catalogues assert a different assignment, and what evidence could resolve the conflict?",
                                                "kind": "provenance",
                                                "id": "status-and-conflict-q02"
                                            },
                                            {
                                                "text": "Does an unsuccessful lookup leave the assignment unresolved rather than establish that it never existed?",
                                                "kind": "boundary",
                                                "id": "status-and-conflict-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "identified-resource-boundary",
                        "name": "Identified resource boundary",
                        "description": "Determine the continuing resource and medium to which the assignment applies.",
                        "rationale": "Title similarity can conceal different resources, and a correct ISSN can be attached to the wrong medium.",
                        "layers": [
                            {
                                "id": "key-title-identity",
                                "name": "Key-title identity",
                                "description": "Relate the observed publication name to its authoritative identifying title.",
                                "findings": [
                                    {
                                        "id": "title-correspondence",
                                        "name": "Title correspondence",
                                        "description": "Record the key title, relevant qualifiers and evidence connecting displayed or variant titles to it.",
                                        "questions": [
                                            {
                                                "text": "What key title and qualifiers accompany this ISSN in the authority record?",
                                                "kind": "definition",
                                                "id": "title-correspondence-q01"
                                            },
                                            {
                                                "text": "What evidence shows that the observed publication is this resource rather than another with a similar title?",
                                                "kind": "boundary",
                                                "id": "title-correspondence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "medium-and-resource-level",
                                "name": "Medium and resource level",
                                "description": "Locate the assignment at the appropriate publication level and medium.",
                                "findings": [
                                    {
                                        "id": "referent-fit",
                                        "name": "Referent fit",
                                        "description": "Test whether the claimed use concerns the assigned continuing resource and version.",
                                        "questions": [
                                            {
                                                "text": "Which medium does the assignment record identify, and does the observed resource match it?",
                                                "kind": "boundary",
                                                "id": "referent-fit-q01"
                                            },
                                            {
                                                "text": "Is the agent identifying the continuing resource, an individual issue or an article?",
                                                "kind": "definition",
                                                "id": "referent-fit-q02"
                                            },
                                            {
                                                "text": "If the number appears on another format or edition, what authority evidence supports that use?",
                                                "kind": "provenance",
                                                "id": "referent-fit-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "linking-and-title-history",
                        "name": "Linking and title history",
                        "description": "Represent related medium versions and changes in publication identity.",
                        "rationale": "Agents need to distinguish grouping related resources from asserting that they share one assignment.",
                        "layers": [
                            {
                                "id": "issn-l-grouping",
                                "name": "ISSN-L grouping",
                                "description": "Represent the designated linking identifier and supported version membership.",
                                "findings": [
                                    {
                                        "id": "medium-version-links",
                                        "name": "Medium-version links",
                                        "description": "Keep the medium-specific ISSN role separate from the ISSN-L role.",
                                        "questions": [
                                            {
                                                "text": "Which ISSN-L is authoritatively associated with this ISSN?",
                                                "kind": "provenance",
                                                "id": "medium-version-links-q01"
                                            },
                                            {
                                                "text": "Does the proposed operation need one medium version or the group of versions?",
                                                "kind": "action",
                                                "id": "medium-version-links-q02"
                                            },
                                            {
                                                "text": "Which associated ISSNs are supported by the linking record rather than inferred from matching titles?",
                                                "kind": "boundary",
                                                "id": "medium-version-links-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "title-transitions",
                                "name": "Title transitions",
                                "description": "Track documented changes without assuming identifier continuity.",
                                "findings": [
                                    {
                                        "id": "continuity-decision",
                                        "name": "Continuity decision",
                                        "description": "Record authority-supported title relationships and unresolved changes requiring assessment.",
                                        "questions": [
                                            {
                                                "text": "What predecessor, successor, merger or split relationships are documented for this assignment?",
                                                "kind": "provenance",
                                                "id": "continuity-decision-q01"
                                            },
                                            {
                                                "text": "For an observed title change, has the authority confirmed continued use or a different ISSN?",
                                                "kind": "action",
                                                "id": "continuity-decision-q02"
                                            },
                                            {
                                                "text": "Which historical titles and periods must remain distinguishable during retrieval or record matching?",
                                                "kind": "boundary",
                                                "id": "continuity-decision-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "issn-use-decisions",
                        "name": "ISSN use decisions",
                        "description": "Determine whether the available evidence supports a particular identifier operation.",
                        "rationale": "An ISSN can be correctly formed and assigned while still being unsuitable for a proposed match or assertion.",
                        "layers": [
                            {
                                "id": "matching-and-display",
                                "name": "Matching and display",
                                "description": "Assess use in catalogue reconciliation, citation and publication display.",
                                "findings": [
                                    {
                                        "id": "operation-fit",
                                        "name": "Operation fit",
                                        "description": "Make the intended matching level and limits of the identifier explicit.",
                                        "questions": [
                                            {
                                                "text": "Would using this ISSN merge records for the same assigned resource and medium, or conceal a version or title difference?",
                                                "kind": "action",
                                                "id": "operation-fit-q01"
                                            },
                                            {
                                                "text": "Does the proposed display clearly distinguish the ISSN from an ISSN-L?",
                                                "kind": "action",
                                                "id": "operation-fit-q02"
                                            },
                                            {
                                                "text": "Is anyone treating assignment as evidence of quality, ownership or access rights that the identifier does not establish?",
                                                "kind": "boundary",
                                                "id": "operation-fit-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "correction-and-reverification",
                                "name": "Correction and reverification",
                                "description": "Route uncertain or incorrect uses toward an evidence-backed resolution.",
                                "findings": [
                                    {
                                        "id": "next-authorised-step",
                                        "name": "Next authorised step",
                                        "description": "Distinguish local formatting repairs from assignment questions requiring an ISSN centre.",
                                        "questions": [
                                            {
                                                "text": "Can the issue be resolved by a documented formatting correction, or does it concern the assignment itself?",
                                                "kind": "action",
                                                "id": "next-authorised-step-q01"
                                            },
                                            {
                                                "text": "Which responsible ISSN centre and supporting publication evidence are needed for an assignment or correction request?",
                                                "kind": "action",
                                                "id": "next-authorised-step-q02"
                                            },
                                            {
                                                "text": "What change or unresolved conflict requires rechecking the authority record before further use?",
                                                "kind": "action",
                                                "id": "next-authorised-step-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which current ISSN Manual rules distinguish major from minor title changes for the resource types this model must support?",
                "Which authoritative status terms describe cancelled, suppressed or otherwise problematic assignments, and what uses remain appropriate for each?",
                "How should separate online formats, language editions, supplements and integrating resources be distinguished under current assignment rules?",
                "Which ISSN Portal interfaces, access conditions and update mechanisms can support repeatable automated verification?",
                "Does an existing Vercy world model already own this identifier concept, requiring this registry entry to link to it instead of producing a separate publication?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 27
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "work, medium or creative form",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a International Standard Serial Number, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise an ISSN, verify its assignment to a continuing resource, and decide whether to use it, investigate a mismatch or request an authoritative correction.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted",
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: eISSN.",
                "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 106 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a International Standard Serial Number, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "content that has to be carried by something else",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "read it and act on what it says",
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "What is seen is a copy or a performance, not the work. Recognising the work means recognising the content through whatever is carrying it."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "eISSN"
                    ]
                }
            ],
            "standing": "Described in 106 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one International Standard Serial Number from another, and a International Standard Serial Number from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a International Standard Serial Number sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a International Standard Serial Number from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a International Standard Serial Number passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a International Standard Serial Number between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a International Standard Serial Number, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a International Standard Serial Number is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "content-and-access",
                        "name": "Content, encoding and access",
                        "description": "What a International Standard Serial Number says, how it is encoded and who may read it.",
                        "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.",
                        "layers": [
                            {
                                "id": "content-and-encoding",
                                "name": "Content and encoding",
                                "description": "The content itself, its format and its language.",
                                "findings": [
                                    {
                                        "id": "content-and-format",
                                        "name": "Content, format and language",
                                        "description": "What a International Standard Serial Number contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q02",
                                                "text": "Who or what asserted this about the content of a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q03",
                                                "text": "What may an agent decide or do once the content of a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-rights",
                                "name": "Access, rights and retention",
                                "description": "Who may read, copy or change it, and for how long it is kept.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and retention",
                                        "description": "The permissions attached to a International Standard Serial Number and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "Who or what asserted this about access to a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q03",
                                                "text": "What may an agent decide or do once access to a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "work-and-manifestation",
                        "name": "Work, version and copy",
                        "description": "Which level of International Standard Serial Number a statement is about.",
                        "rationale": "The work, the edition, the file and the copy in hand are four things; rights and content attach to different ones.",
                        "layers": [
                            {
                                "id": "levels",
                                "name": "Levels of the thing",
                                "description": "Work, expression, manifestation and item, in plain terms.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs at each level",
                                        "description": "Which facts hold for the work and which only for one copy.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "For International Standard Serial Number, which facts belong to the work itself, which to a version, and which to a single copy?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifier exists at each level, and which one is being cited?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "versions",
                                "name": "Versions, editions and variants",
                                "description": "How versions differ and which is canonical to whom.",
                                "findings": [
                                    {
                                        "id": "version-record",
                                        "name": "Versions and canonicity",
                                        "description": "Differences that matter and who calls one authoritative.",
                                        "questions": [
                                            {
                                                "id": "version-record-q01",
                                                "text": "Which versions or editions of International Standard Serial Number exist, and how do they differ substantively?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "version-record-q02",
                                                "text": "Who treats which version as authoritative, and for what purpose?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "authorship-and-rights",
                        "name": "Authorship, rights and permitted use",
                        "description": "Who made International Standard Serial Number and what may be done with it.",
                        "rationale": "Rights are jurisdictional, time-limited and attached to a level, and an agent that ignores that will copy what it may not.",
                        "layers": [
                            {
                                "id": "authorship",
                                "name": "Authorship and contribution",
                                "description": "Who contributed what, and in what capacity.",
                                "findings": [
                                    {
                                        "id": "contribution-record",
                                        "name": "Contributors and roles",
                                        "description": "The people and bodies behind it, with their roles.",
                                        "questions": [
                                            {
                                                "id": "contribution-record-q01",
                                                "text": "Who authored or contributed to International Standard Serial Number, in what roles, and how is that attested?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "contribution-record-q02",
                                                "text": "Where authorship is disputed or anonymous, what is recorded instead?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rights",
                                "name": "Rights and permissions",
                                "description": "Which rights subsist, where, until when, and what they permit.",
                                "findings": [
                                    {
                                        "id": "rights-record",
                                        "name": "Rights, term and permitted acts",
                                        "description": "The regime in force and what it allows.",
                                        "questions": [
                                            {
                                                "id": "rights-record-q01",
                                                "text": "What rights subsist in International Standard Serial Number, in which jurisdictions, and until when?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "rights-record-q02",
                                                "text": "Which acts are permitted without further permission, and which must an agent refuse?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a International Standard Serial Number came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a International Standard Serial Number and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a International Standard Serial Number is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a International Standard Serial Number, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a International Standard Serial Number, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a International Standard Serial Number is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 12,
                "findings": 14,
                "questions": 38
            }
        }
    }
}