{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-06T22:00:57Z", "providers": [ "Codex" ], "missingProviders": [ "Grok" ], "pass": 2, "cost": { "grok": { "usd": null, "turns": null, "seconds": 2.4, "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": 73.2, "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: 01a078bc-0c3e-70d2-894f-afd15a2b7073\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: tennessine\nRegistry id: vr.tr.tennessine\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA V" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T11:00:00Z", "ingestedAt": "2026-10-06T08:04:03+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:25+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1306", "registryId": "vr.tr.tennessine", "name": "tennessine", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1306/", "model": { "registry_id": "vr.tr.tennessine", "name": "tennessine", "purpose": "Enable an AI agent to recognise tennessine, assess evidence for its transient nuclear and atomic states, and judge which observations or proposed interventions are supported.", "definition": "", "scope_statement": "This model owns the identity, isotope-qualified states, identification evidence, property claims and experimental action constraints of tennessine under vr.tr.tennessine in PHY / PHY.MAT.", "in_scope": [ "Element identity and distinctions between tennessine, its isotopes and individual candidate atoms", "Production provenance relevant to assigning a detected event to tennessine", "Decay evidence, survival estimates and transitions to daughter nuclides", "Atomic and chemical property claims with explicit experimental or theoretical status", "Feasibility of observing or manipulating tennessine within an experimentally supported lifetime" ], "out_of_scope": [ "Accelerator, separator and detector design or operation", "Production, procurement and handling of target and beam materials", "Independent models of daughter elements and their subsequent behaviour", "Facility radiation protection, licensing and radioactive waste management", "Full models of proposed tennessine compounds or macroscopic materials" ], "distinguishing_features": [ "Require atomic number 117: the accepted name is tennessine and symbol Ts; similarity of mass or decay energy alone does not establish identity. [IUPAC naming recommendation](https://iupac.org/recommendation/names-and-symbols-of-the-elements-with-atomic-numbers-113-115-117-and-118/)", "Distinguish isotope identity from element identity: a mass-number assignment must accompany, rather than replace, the assignment to Z = 117.", "Distinguish a candidate tennessine parent event from a daughter event by its position in an evidenced decay chain.", "Distinguish a surviving atom from its retained experimental record: a recorded detection does not establish present material availability.", "Distinguish calculated atomic properties from measured properties; published tennessine electronic-structure calculations explicitly address gaps in experimental data. [Dzuba, Flambaum and Vong](https://arxiv.org/abs/2505.22895)" ], "characteristics": [ { "name": "Element identity", "kind": "category", "unit_or_values": "Tennessine; Ts; atomic number 117", "why_it_matters": "Anchors recognition independently of isotope assignment or chemical-state assumptions." }, { "name": "Nuclide assignment", "kind": "category", "unit_or_values": "Mass number A; neutron number A − 117; nuclear state if supported; unresolved permitted", "why_it_matters": "Decay and survival claims apply to a specified nuclide rather than indiscriminately to the element." }, { "name": "Assignment confidence", "kind": "state", "unit_or_values": "Candidate, supported, disputed, rejected or unresolved, with stated criteria", "why_it_matters": "Controls whether an event may support a tennessine-specific conclusion." }, { "name": "Production provenance", "kind": "relation", "unit_or_values": "Linked experiment, target and projectile identities, proposed reaction channel and event record", "why_it_matters": "Allows competing interpretations of a rare detected product to be assessed." }, { "name": "Observed event timing", "kind": "measurement", "unit_or_values": "Seconds or milliseconds relative to implantation or a preceding decay, with timing uncertainty", "why_it_matters": "Supports event correlation without confusing one observed interval with a population half-life." }, { "name": "Nuclide half-life estimate", "kind": "measurement", "unit_or_values": "Seconds or milliseconds; uncertainty interval, contributing event count and analysis method", "why_it_matters": "Supports conditional survival estimates and measurement-feasibility decisions." }, { "name": "Decay signature", "kind": "measurement", "unit_or_values": "Assigned decay mode, particle energy in MeV where applicable, uncertainty and linked daughter assignment", "why_it_matters": "Connects the identification claim to a reproducible sequence of observations." }, { "name": "Present existence assessment", "kind": "state", "unit_or_values": "Recently detected, survival probabilistic, decay observed or state unresolved, with reference time", "why_it_matters": "Prevents historical detections from being treated as current stock." }, { "name": "Electronic or chemical state", "kind": "state", "unit_or_values": "Charge in elementary-charge units; electronic state; chemical environment; unknown permitted", "why_it_matters": "Prevents a detected nucleus from automatically being described as a characterised neutral atom or compound." }, { "name": "Property evidence status", "kind": "category", "unit_or_values": "Measured, inferred, calculated, extrapolated, disputed or unknown, with source and applicability", "why_it_matters": "Limits how atomic, chemical and bulk-property claims may guide decisions." } ], "affordances": [ "Evaluate whether a reported event supports a tennessine and isotope assignment.", "Reconstruct a candidate decay chain and compare alternative parent or daughter assignments.", "Estimate conditional survival over a proposed observation interval using isotope-specific evidence.", "Assess whether a proposed atomic or chemical measurement has an adequate timing and detection basis.", "Compare theoretical tennessine properties while preserving each calculation's assumptions and uncertainty.", "Revise or withdraw derived conclusions when an event assignment or nuclear-data evaluation changes." ], "agent_conduct": { "may": [ "Report tennessine's discovery, naming and isotopes from IUPAC and peer-reviewed sources.", "Mark predicted properties as predictions rather than measurements." ], "must_not": [ "Present predicted chemistry as measured fact.", "Claim tennessine can be obtained in bulk or used in products.", "Misattribute its discovery or the laboratories involved.", "Confuse it with other superheavy elements." ], "requires_human": [ "Publishing claims of new isotopes or properties." ] }, "ethics": { "considerations": [ "Accurate credit for discovery matters to the scientists and institutions involved.", "Hype about exotic elements misleads the public." ], "affected_parties": [ "Researchers", "Students", "The public" ] }, "owners": { "steward": "Nobody: an element; the laboratories that make its atoms keep the records.", "master_systems": [] }, "visual_identification": [ "Never seen in bulk; identified only by the decay chains of single atoms in detectors." ], "failure_modes_and_hazards": [ "Radiation from the accelerator work and decay products.", "Misreported properties in popular sources." ], "standards_and_regulation": [ "IUPAC Recommendations on the naming of element 117, International Union of Pure and Applied Chemistry." ], "what_it_is_for": [ "Tennessine is produced in specialized nuclear research experiments and identified through evidence from individual atoms and their decay chains.", "Its study supports investigations of superheavy nuclei and predictions about chemical behavior near the end of the periodic table." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1306: tennessine", "url": "https://www.wikidata.org/wiki/Q1306", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Tennessine", "url": "https://en.wikipedia.org/wiki/Tennessine", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "tennessine-identity", "name": "Tennessine identity", "description": "Establishes what the agent is identifying and the level at which that identity is supported.", "rationale": "An element name, a nuclide assignment and an individual detected event support different conclusions.", "layers": [ { "id": "element-boundary", "name": "Element boundary", "description": "Anchors tennessine identity to atomic number rather than appearance or inferred chemistry.", "findings": [ { "id": "element-assignment", "name": "Element assignment", "description": "Record the basis for assigning the subject to element 117 and resolve naming ambiguity.", "questions": [ { "text": "Does this record denote tennessine as an element, a particular nuclide or an individual candidate event?", "kind": "definition", "id": "element-assignment-q01" }, { "text": "What evidence supports Z = 117 rather than a neighbouring element or an unassigned reaction product?", "kind": "boundary", "id": "element-assignment-q02" } ] } ] }, { "id": "isotope-boundary", "name": "Isotope boundary", "description": "Qualifies elemental identity with mass number and any supported nuclear-state distinction.", "findings": [ { "id": "nuclide-resolution", "name": "Nuclide resolution", "description": "Preserve unresolved or competing isotope assignments instead of selecting a convenient default.", "questions": [ { "text": "Which mass number and nuclear state are assigned, and which remain unresolved?", "kind": "definition", "id": "nuclide-resolution-q01" }, { "text": "Was the assignment obtained from direct evidence, reaction-channel inference or decay-chain comparison?", "kind": "provenance", "id": "nuclide-resolution-q02" } ] } ] } ] }, { "id": "production-and-identification", "name": "Production and identification", "description": "Connects a tennessine claim to its production context and event-level detection evidence.", "rationale": "A nominal production reaction does not by itself prove the identity of a detected product.", "layers": [ { "id": "reaction-provenance", "name": "Reaction provenance", "description": "Captures the experimental context needed to evaluate the proposed tennessine production route.", "findings": [ { "id": "production-route-assignment", "name": "Production route assignment", "description": "Link target, projectile and proposed reaction channel to the assigned product without treating the intended product as an observation.", "questions": [ { "text": "Which experiment, target nuclide, projectile nuclide and proposed reaction channel underpin this assignment?", "kind": "provenance", "id": "production-route-assignment-q01" }, { "text": "Could target composition changes, impurities or competing channels explain the event differently?", "kind": "boundary", "id": "production-route-assignment-q02" } ] } ] }, { "id": "event-correlation", "name": "Event correlation", "description": "Assesses whether implantation and subsequent signals form a credible tennessine event sequence.", "findings": [ { "id": "correlated-event-support", "name": "Correlated event support", "description": "Record timing, location, energy and background evidence supporting the association of signals.", "questions": [ { "text": "Which implantation and decay signals are correlated, with what time, position and energy uncertainties?", "kind": "measurement", "id": "correlated-event-support-q01" }, { "text": "How were accidental correlations, missed decays and alternative chains evaluated?", "kind": "boundary", "id": "correlated-event-support-q02" }, { "text": "Which accessible event records and independent observations support the assignment?", "kind": "provenance", "id": "correlated-event-support-q03" } ] } ] } ] }, { "id": "decay-and-survival", "name": "Decay and survival", "description": "Represents tennessine's time-dependent existence and the evidence for its nuclear transformations.", "rationale": "An agent must distinguish a past detection, an uncertain surviving atom and a daughter nuclide.", "layers": [ { "id": "lifetime-evidence", "name": "Lifetime evidence", "description": "Separates observed event intervals from inferred nuclide lifetime distributions.", "findings": [ { "id": "survival-estimation", "name": "Survival estimation", "description": "Make survival estimates conditional on isotope assignment, reference time and statistical uncertainty.", "questions": [ { "text": "What half-life estimate, uncertainty and event count apply to the assigned tennessine nuclide?", "kind": "measurement", "id": "survival-estimation-q01" }, { "text": "What survival probability is supported over the proposed delay, and which assumptions enter that estimate?", "kind": "action", "id": "survival-estimation-q02" }, { "text": "Were missed events and observation windows accounted for in estimating the lifetime?", "kind": "provenance", "id": "survival-estimation-q03" } ] } ] }, { "id": "daughter-transition", "name": "Daughter transition", "description": "Tracks where the tennessine identity ends and a daughter or other decay product begins.", "findings": [ { "id": "decay-chain-continuity", "name": "Decay-chain continuity", "description": "Link observed transitions to daughter models while retaining uncertainty in mode and chain assignment.", "questions": [ { "text": "Which decay mode and daughter assignment are supported for each transition attributed to the tennessine parent?", "kind": "measurement", "id": "decay-chain-continuity-q01" }, { "text": "At which observed or inferred transition must subsequent behaviour be attributed to another nuclide?", "kind": "boundary", "id": "decay-chain-continuity-q02" } ] } ] } ] }, { "id": "atomic-and-chemical-claims", "name": "Atomic and chemical claims", "description": "Controls how electronic-state evidence and chemical predictions are attached to tennessine.", "rationale": "Nuclear identification does not establish a neutral-atom state, measured chemistry or macroscopic material properties.", "layers": [ { "id": "electronic-state-evidence", "name": "Electronic-state evidence", "description": "Qualifies atomic-property claims by charge, electronic state and method.", "findings": [ { "id": "atomic-property-applicability", "name": "Atomic property applicability", "description": "Record whether a claimed electronic property is observed or calculated and whether it applies to the subject's state.", "questions": [ { "text": "Is the subject's charge and electronic state established, assumed or unknown?", "kind": "measurement", "id": "atomic-property-applicability-q01" }, { "text": "For each claimed atomic property, what experimental method or calculation supports it and for which state?", "kind": "provenance", "id": "atomic-property-applicability-q02" } ] } ] }, { "id": "chemical-inference-limits", "name": "Chemical inference limits", "description": "Prevents periodic analogy and theoretical results from becoming unsupported chemical observations.", "findings": [ { "id": "chemical-claim-status", "name": "Chemical claim status", "description": "Separate proposed oxidation, bonding and phase behaviour from experimentally established behaviour.", "questions": [ { "text": "Which claims about tennessine bonding or oxidation states have direct evidence, and which rely on calculations or analogies?", "kind": "provenance", "id": "chemical-claim-status-q01" }, { "text": "Does a proposed conclusion improperly extrapolate from an isolated atom or lighter analogue to a bulk tennessine material?", "kind": "boundary", "id": "chemical-claim-status-q02" }, { "text": "What observation would discriminate the competing chemical predictions?", "kind": "measurement", "id": "chemical-claim-status-q03" } ] } ] } ] }, { "id": "experimental-action-feasibility", "name": "Experimental action feasibility", "description": "Determines whether a proposed observation or manipulation has a defensible basis for the available tennessine events.", "rationale": "Useful actions depend on survival, actual event availability and evidence quality rather than the existence of an element entry.", "layers": [ { "id": "observation-window", "name": "Observation window", "description": "Relates the proposed measurement sequence to the assigned nuclide's survival and detection constraints.", "findings": [ { "id": "measurement-feasibility", "name": "Measurement feasibility", "description": "Assess whether tennessine can plausibly survive and produce an interpretable signal during the proposed observation.", "questions": [ { "text": "What transport, preparation and measurement delays must the assigned tennessine nuclide survive?", "kind": "action", "id": "measurement-feasibility-q01" }, { "text": "What production evidence, detection efficiency and background estimate support an expectation of usable events?", "kind": "measurement", "id": "measurement-feasibility-q02" }, { "text": "Would the proposed signal characterise tennessine itself or only a later daughter?", "kind": "boundary", "id": "measurement-feasibility-q03" } ] } ] }, { "id": "decision-and-revision", "name": "Decision and revision", "description": "Controls conclusions drawn from rare events and their revision when underlying assignments change.", "findings": [ { "id": "supported-next-action", "name": "Supported next action", "description": "Choose between further observation, evidence review, theoretical comparison or an unsupported proposal, with dependencies made explicit.", "questions": [ { "text": "Does the next action require a currently surviving atom, a new production event or only the archived record?", "kind": "action", "id": "supported-next-action-q01" }, { "text": "Which identity, lifetime or property uncertainties prevent the proposed conclusion or intervention?", "kind": "action", "id": "supported-next-action-q02" }, { "text": "Which derived conclusions must be revisited if the tennessine event or isotope assignment changes?", "kind": "provenance", "id": "supported-next-action-q03" } ] } ] } ] } ] }, "openQuestions": [ "Which tennessine nuclides and possible nuclear states are supported by the latest evaluated evidence, and where do assignments remain contested?", "What isotope-specific half-lives and decay branches are justified after accounting for sparse events, missed signals and experimental selection?", "Which tennessine atomic or chemical properties have direct experimental support, and which remain theoretical predictions?", "How strongly do available relativistic calculations agree on chemically relevant properties, and what observations could resolve their differences?", "Which proposed observations or manipulations have demonstrated timing and sensitivity compatible with tennessine survival and production constraints?" ], "statistics": { "bundles": 5, "layers": 10, "findings": 10, "questions": 25 } }