{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T10:31:30Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 18.3, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a0952b-0961-78a1-bd58-21f56464b916\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: internal occipital protuberance\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n#", "usd": 0.0, "recall": true }, "codex": { "seconds": 70.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a0952b-096e-7c91-9c29-c72f4a10444a\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: internal occipital protuberance\nRegistry id: vr.tr.internal-occipital-protuberance\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:51:51+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] } }, "metaModel": { "id": "THING-Q833576", "registryId": "vr.tr.internal-occipital-protuberance", "name": "internal occipital protuberance", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q833576/", "model": { "registry_id": "vr.tr.internal-occipital-protuberance", "name": "internal occipital protuberance", "purpose": "Enable an agent to recognise, describe and assess the internal occipital protuberance as an endocranial bony landmark while distinguishing observed anatomy from inferred relationships.", "definition": "The internal occipital protuberance is a bony prominence on the intracranial surface of the squamous part of the occipital bone, situated at the intersection of the limbs of its cruciform eminence.", "scope_statement": "This model owns the identity, local morphology, anatomical relationships and observation limits of the internal occipital protuberance under vr.tr.internal-occipital-protuberance in PHY / PHY.OBJ, using human anatomy as the working scope.", "in_scope": [ "Identification of the prominence on the internal surface of the occipital squama", "Boundary between the protuberance and adjoining crests, eminences and grooves", "Specimen-specific position, dimensions and surface morphology", "Relationships to adjacent dural attachments and venous sinus structures", "Visibility, preservation and suitability as an anatomical landmark" ], "out_of_scope": [ "The occipital bone as a whole", "The external occipital protuberance and external craniometric landmarks", "The complete internal occipital crest and cruciform eminence", "Dural folds and venous sinuses as independently modelled structures", "Diagnosis of cranial disease and operative treatment protocols" ], "distinguishing_features": [ "Identify it on the cranial cavity-facing surface of the occipital squama; an outward-facing occipital prominence belongs to the external occipital protuberance.", "Identify a local prominence rather than treating the entire descending internal occipital crest as the protuberance.", "Distinguish the bony elevation from adjacent venous grooves and from the soft-tissue confluence of sinuses.", "Use the surrounding cruciform arrangement to support identification, while recording departures from the expected alignment." ], "characteristics": [ { "name": "Parent anatomical structure", "kind": "relation", "unit_or_values": "Internal surface of the squamous part of the identified occipital bone", "why_it_matters": "Anchors the landmark to the correct bone and surface." }, { "name": "Identification status", "kind": "state", "unit_or_values": "Identified; probable; indeterminate; not visualised", "why_it_matters": "Prevents poor visibility from being recorded as anatomical absence." }, { "name": "Position relative to reference midline", "kind": "measurement", "unit_or_values": "Signed distance in mm, with reference plane and landmark-point definition", "why_it_matters": "Allows observed asymmetry to be recorded without assuming exact midline alignment." }, { "name": "Local prominence dimensions", "kind": "measurement", "unit_or_values": "Height, width and extent in mm, with boundary and baseline definitions", "why_it_matters": "Makes comparisons reproducible without inventing a standard size." }, { "name": "Relationship to internal occipital crest", "kind": "relation", "unit_or_values": "Observed continuity, alignment and offset; indeterminate", "why_it_matters": "Keeps a neighbouring ridge distinct while documenting its connection." }, { "name": "Relationship to venous confluence", "kind": "relation", "unit_or_values": "Directly observed or independently imaged spatial relationship; inferred; unknown", "why_it_matters": "Prevents the bony landmark from being treated as a verified venous location." }, { "name": "Local surface condition", "kind": "state", "unit_or_values": "Intact; damaged; remodelled; surgically altered; indeterminate", "why_it_matters": "Determines whether the visible contour can support identification and measurement." }, { "name": "Observation method", "kind": "category", "unit_or_values": "Dry-bone inspection; dissection; CT; derived surface reconstruction; other documented method", "why_it_matters": "Establishes which bony and soft-tissue relationships the observation can support." } ], "affordances": [ "Annotate the protuberance on a skull specimen or suitable image with identification confidence.", "Measure its prominence and position using explicitly defined anatomical references.", "Compare its alignment with the internal occipital crest and neighbouring sinus grooves.", "Link the bony landmark to separately observed dural and venous anatomy.", "Flag damage, ambiguity or incomplete imaging that prevents reliable landmark use." ], "agent_conduct": { "may": [ "Describe the internal occipital protuberance and its relation to the venous sinuses.", "Support authorized clinicians in labelling it on skull imaging." ], "must_not": [ "Interpret skull imaging as a diagnosis without clinical review.", "Handle human skeletal remains without respect for the dead and lawful authority.", "Share identifiable imaging or remains photographs without consent or legal basis." ], "requires_human": [ "Any decision about neurosurgical approach near this landmark." ] }, "ethics": { "considerations": [ "Human remains deserve dignity, including those used in teaching.", "Venous sinuses near this landmark bleed heavily if injured." ], "affected_parties": [ "Patients", "Families of the dead", "Students" ] }, "owners": { "steward": "Nobody: part of a person's skull; clinicians and anatomy departments answer for its study.", "master_systems": [] }, "visual_identification": [ "A raised point on the inside of the back of the skull where four ridges meet in a cross." ], "failure_modes_and_hazards": [ "Fractures here can injure underlying venous sinuses." ], "standards_and_regulation": [ "Terminologia Anatomica, Federative International Programme for Anatomical Terminology." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q833576: internal occipital protuberance", "url": "https://www.wikidata.org/wiki/Q833576", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Internal occipital protuberance", "url": "https://en.wikipedia.org/wiki/Internal_occipital_protuberance", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "endocranial-identity", "name": "Endocranial identity", "description": "Establish which occipital feature the registry entry denotes.", "rationale": "Internal and external prominences, adjoining ridges and venous structures can otherwise be conflated.", "layers": [ { "id": "bone-and-surface", "name": "Bone and surface", "description": "Locate the candidate on the correct anatomical substrate.", "findings": [ { "id": "internal-squamous-location", "name": "Internal squamous location", "description": "Record the evidence that the candidate is a prominence on the endocranial occipital squama.", "questions": [ { "text": "What visible features establish that this is the internal surface of the occipital squama?", "kind": "definition", "id": "internal-squamous-location-q01" }, { "text": "Which specimen or imaging series supports this identification?", "kind": "provenance", "id": "internal-squamous-location-q02" } ] } ] }, { "id": "neighbouring-landmark-boundaries", "name": "Neighbouring landmark boundaries", "description": "Separate the local prominence from larger or adjacent features.", "findings": [ { "id": "protuberance-extent", "name": "Protuberance extent", "description": "Define the local feature without absorbing the entire cruciform eminence, descending crest or nearby grooves.", "questions": [ { "text": "Where does the protuberance merge into the internal occipital crest and surrounding eminence?", "kind": "boundary", "id": "protuberance-extent-q01" }, { "text": "What evidence excludes the external occipital protuberance or a sinus groove as the labelled feature?", "kind": "definition", "id": "protuberance-extent-q02" } ] } ] } ] }, { "id": "prominence-geometry", "name": "Prominence geometry", "description": "Describe the landmark's local shape and position reproducibly.", "rationale": "A continuous bony surface does not supply an automatic measurement boundary or reference point.", "layers": [ { "id": "contour-and-size", "name": "Contour and size", "description": "Characterise the elevation relative to the surrounding internal bone surface.", "findings": [ { "id": "defined-prominence-measurements", "name": "Defined prominence measurements", "description": "Record dimensions only with an explicit local baseline and extent convention.", "questions": [ { "text": "Which surrounding surface defines the baseline for prominence height?", "kind": "measurement", "id": "defined-prominence-measurements-q01" }, { "text": "What height, width and extent are measurable, and with what uncertainty?", "kind": "measurement", "id": "defined-prominence-measurements-q02" } ] } ] }, { "id": "position-and-alignment", "name": "Position and alignment", "description": "Locate the prominence relative to independently defined cranial references.", "findings": [ { "id": "crest-alignment-variation", "name": "Crest alignment variation", "description": "Do not require exact alignment with the internal occipital crest; misalignment has been reported in a [case report](https://pmc.ncbi.nlm.nih.gov/articles/PMC5014936/).", "questions": [ { "text": "How are the protuberance reference point and cranial midsagittal plane defined?", "kind": "measurement", "id": "crest-alignment-variation-q01" }, { "text": "Does the observed internal occipital crest meet the prominence centrally, or is there a measurable offset?", "kind": "measurement", "id": "crest-alignment-variation-q02" } ] } ] } ] }, { "id": "dural-and-venous-relations", "name": "Dural and venous relations", "description": "Represent adjacent soft-tissue anatomy without identifying it with the bone.", "rationale": "The landmark's usefulness depends on relationships that bone-only observations cannot fully establish.", "layers": [ { "id": "sinus-topography", "name": "Sinus topography", "description": "Distinguish venous grooves from the actual venous channels and their junctions.", "findings": [ { "id": "confluence-localisation", "name": "Confluence localisation", "description": "Record the confluence as a separate structure whose relationship requires evidence; a [technical anatomical report](https://pmc.ncbi.nlm.nih.gov/articles/PMC4968780/) describes the prominence inferior to the confluence.", "questions": [ { "text": "Which adjacent sinus grooves are visible, and where do they lie relative to the prominence?", "kind": "measurement", "id": "confluence-localisation-q01" }, { "text": "Is the confluence itself demonstrated by soft-tissue observation or imaging, or only inferred from bone?", "kind": "provenance", "id": "confluence-localisation-q02" } ] } ] }, { "id": "dural-attachment-boundaries", "name": "Dural attachment boundaries", "description": "Separate attachments attributed to the prominence from those of adjoining crests and margins.", "findings": [ { "id": "attachment-attribution", "name": "Attachment attribution", "description": "Require anatomical evidence for the location and extent of any recorded dural attachment.", "questions": [ { "text": "Which dural attachment is directly observed at the prominence, and which evidence supports its identification?", "kind": "provenance", "id": "attachment-attribution-q01" }, { "text": "Does the attachment occupy the protuberance itself or an adjoining ridge or groove margin?", "kind": "boundary", "id": "attachment-attribution-q02" } ] } ] } ] }, { "id": "visibility-and-preservation", "name": "Visibility and preservation", "description": "Determine whether the observed contour faithfully represents the anatomical landmark.", "rationale": "Image processing, incomplete exposure and bone damage can imitate a small, absent or irregular prominence.", "layers": [ { "id": "observation-resolution", "name": "Observation resolution", "description": "Establish whether the prominence can be resolved by the available observation.", "findings": [ { "id": "landmark-visibility", "name": "Landmark visibility", "description": "Separate confident identification from inadequate coverage or resolution.", "questions": [ { "text": "Is the internal occipital region adequately exposed or included in the image field?", "kind": "provenance", "id": "landmark-visibility-q01" }, { "text": "Could slice thickness, partial-volume effects or surface smoothing alter the apparent prominence?", "kind": "measurement", "id": "landmark-visibility-q02" } ] } ] }, { "id": "local-bone-integrity", "name": "Local bone integrity", "description": "Assess changes that compromise the landmark's original contour.", "findings": [ { "id": "altered-contour", "name": "Altered contour", "description": "Describe visible disruption or alteration without assigning an unsupported cause.", "questions": [ { "text": "Is the local contour intact, or affected by fracture, erosion, preparation damage or prior intervention?", "kind": "boundary", "id": "altered-contour-q01" }, { "text": "What evidence distinguishes anatomical morphology from acquired or postmortem alteration?", "kind": "provenance", "id": "altered-contour-q02" } ] } ] } ] }, { "id": "landmark-use", "name": "Landmark use", "description": "Define supported uses of the identified prominence in annotation and anatomical comparison.", "rationale": "A recognised bony feature can support localisation without establishing exact vascular positions or procedural clearance.", "layers": [ { "id": "annotation-and-comparison", "name": "Annotation and comparison", "description": "Make landmark labels and cross-specimen comparisons traceable.", "findings": [ { "id": "reproducible-landmark-selection", "name": "Reproducible landmark selection", "description": "Specify whether an annotation denotes the apex, a selected centre or the whole prominence.", "questions": [ { "text": "Which point or region should an agent annotate for the intended comparison?", "kind": "action", "id": "reproducible-landmark-selection-q01" }, { "text": "Do compared observations use compatible landmark definitions and measurement methods?", "kind": "measurement", "id": "reproducible-landmark-selection-q02" } ] } ] }, { "id": "limits-of-localisation", "name": "Limits of localisation", "description": "Constrain conclusions drawn from this bony landmark.", "findings": [ { "id": "independent-anatomical-confirmation", "name": "Independent anatomical confirmation", "description": "Use the prominence for orientation while requiring separate evidence for nearby soft-tissue positions.", "questions": [ { "text": "What independent evidence is required before using this landmark to localise the venous confluence or a dural attachment?", "kind": "action", "id": "independent-anatomical-confirmation-q01" }, { "text": "Which ambiguity or alteration makes this instance unsuitable for the proposed localisation task?", "kind": "action", "id": "independent-anatomical-confirmation-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "The relationship between the bony protuberance and the confluence of sinuses varies; their positions should not be assumed to coincide exactly.", "No typical dimensions or formal classification of variants are asserted.", "This account is based on anatomical recall, without source verification." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of internal occipital protuberance this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "Terminologia Anatomica", "value_or_pattern": "protuberantia occipitalis interna", "note": "Latin anatomical name." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of internal occipital protuberance this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Terminologia Anatomica, maintained by the Federative International Programme for Anatomical Terminology (FIPAT), standardizes anatomical nomenclature." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of internal occipital protuberance this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Landmark for identifying the cruciform eminence on the internal surface of the occipital bone.", "Reference landmark for describing nearby dural venous sinus grooves and the region of the confluence of sinuses.", "Landmark in anatomical teaching and skull imaging." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of internal occipital protuberance this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Injury or operative penetration near this landmark can damage adjacent dural venous sinuses and cause substantial bleeding." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of internal occipital protuberance this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "External occipital protuberance", "difference": "Projects from the outer surface of the occipital bone; the internal protuberance faces the cranial cavity." }, { "name": "Internal occipital crest", "difference": "A ridge extending inferiorly from the internal occipital protuberance toward the foramen magnum." }, { "name": "Cruciform eminence", "difference": "The broader cross-shaped arrangement of ridges on the internal occipital surface; the protuberance is its central prominence." }, { "name": "Confluence of sinuses", "difference": "A junction of dural venous channels near the protuberance, rather than a bony structure." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of internal occipital protuberance this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend exclusively human anatomy, or should comparative vertebrate occurrences be represented within this entry?", "Which anatomical or morphometric convention best defines the prominence's boundary and reference point?", "What population evidence establishes the distribution of prominence dimensions and offsets relative to the midsagittal plane and internal occipital crest?", "How consistently do adjacent bony grooves predict the actual position and configuration of the venous confluence?", "Which age-related changes and observation thresholds distinguish a weakly expressed prominence from one that is simply not resolvable?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 26 } }