{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T11:07:26Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 21.0, "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: 01a0954b-e121-7890-9bd8-574301c8b6c5\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: magnesium phosphate\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: ", "usd": 0.0, "recall": true }, "codex": { "seconds": 73.3, "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: 01a0954b-e115-7731-9387-2d5f304954f3\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: magnesium phosphate\nRegistry id: vr.tr.magnesium-phosphate\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this " } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:51:00+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:32+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q6731399", "registryId": "vr.tr.magnesium-phosphate", "name": "magnesium phosphate", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q6731399/", "model": { "registry_id": "vr.tr.magnesium-phosphate", "name": "magnesium phosphate", "purpose": "Enable an agent to identify a magnesium phosphate material, assess its composition and condition, and determine whether evidence supports a proposed use or handling action.", "definition": "Magnesium phosphate denotes magnesium salts of phosphoric acid, often specifically trimagnesium orthophosphate, Mg3(PO4)2, whose properties depend on phosphate protonation and hydration state.", "scope_statement": "This model owns the identity, composition, phase, quality, behavior and use constraints of material registered as vr.tr.magnesium-phosphate in PHY / PHY.MAT, while keeping the unresolved boundary between a specific salt and the broader magnesium phosphate family explicit.", "in_scope": [ "Salt identity, magnesium-to-phosphorus ratio and phosphate protonation", "Anhydrous or hydrated form, crystalline phases and phase mixtures", "Purity, impurities, grade and lot-specific analytical evidence", "Dissolution, precipitation and thermal behavior under recorded conditions", "Handling requirements and suitability for a specified material use" ], "out_of_scope": [ "Finished foods, supplements or medicines containing magnesium phosphate", "Complete fertilizer formulations and agricultural application programs", "Manufacturing plants and synthesis procedures", "Clinical treatment decisions or nutritional dosing", "Finished phosphate cement systems and their structural performance" ], "distinguishing_features": [ "Require composition evidence that magnesium and phosphate define the material, rather than accepting a product containing separate magnesium and phosphate ingredients.", "Use formula and magnesium-to-phosphorus molar ratio to distinguish a reported trimagnesium phosphate identity from magnesium hydrogen phosphate or magnesium dihydrogen phosphate.", "Distinguish hydrate forms using phase and water-content evidence; a shared base name does not establish identical material behavior.", "Check for additional defining ions, such as ammonium or potassium, before treating a mixed-cation phosphate as the registered substance.", "Separate a predominantly identified magnesium phosphate phase from a multiphase precipitate whose bulk elemental ratio merely resembles that composition." ], "characteristics": [ { "name": "Resolved chemical identity", "kind": "category", "unit_or_values": "Reported salt name, formula and identity confidence; unresolved when unsupported", "why_it_matters": "The registry name alone does not establish which salt or material family the entry denotes." }, { "name": "Magnesium-to-phosphorus molar ratio", "kind": "measurement", "unit_or_values": "mol Mg/mol P, with analytical method and uncertainty", "why_it_matters": "Tests consistency with the proposed salt identity and helps detect mixtures or off-stoichiometric material." }, { "name": "Phosphate protonation assignment", "kind": "category", "unit_or_values": "Orthophosphate, hydrogen phosphate, dihydrogen phosphate, mixed or unresolved", "why_it_matters": "Separates chemically distinct salts that an informal magnesium phosphate label may obscure." }, { "name": "Hydration and water content", "kind": "measurement", "unit_or_values": "mol H2O per formula unit and mass % water, distinguishing structural water from adsorbed moisture", "why_it_matters": "Affects formula mass, assay interpretation and assessment of storage or thermal changes." }, { "name": "Phase constitution", "kind": "state", "unit_or_values": "Identified crystalline phases, amorphous fraction where measured, and phase proportions", "why_it_matters": "Bulk chemistry alone cannot establish that the material is a single magnesium phosphate phase." }, { "name": "Assay and reporting basis", "kind": "measurement", "unit_or_values": "Mass % specified salt, Mg or P; as received, dried or other explicitly defined basis", "why_it_matters": "Prevents comparisons between results expressed on incompatible chemical or moisture bases." }, { "name": "Impurity profile", "kind": "measurement", "unit_or_values": "mg/kg or mass %, with analytes, detection limits and method", "why_it_matters": "Residual ions, other phases and contaminants can constrain use even when the nominal identity matches." }, { "name": "Dissolution behavior", "kind": "measurement", "unit_or_values": "Dissolved Mg and P in mol/L or mg/L versus time, with pH, temperature and medium", "why_it_matters": "Supports decisions about release, processing and compatibility without assuming one solubility value covers every form." }, { "name": "Particle size distribution", "kind": "measurement", "unit_or_values": "µm; distribution statistics and measurement method", "why_it_matters": "Helps interpret dissolution rate, powder handling and consistency between lots." }, { "name": "Identity and grade documentation", "kind": "relation", "unit_or_values": "Links to form-specific identifiers, supplier specification, certificate of analysis and applicable standard", "why_it_matters": "Connects the physical material to evidence supporting its identity and claimed grade." }, { "name": "Handling and use status", "kind": "category", "unit_or_values": "Supported, conditional, unsupported or unresolved for a named use and jurisdiction", "why_it_matters": "A chemical name or grade label alone does not establish suitability or authorization." } ], "affordances": [ "Resolve a supplier's magnesium phosphate label against composition, hydration and phase evidence.", "Compare lots after normalizing assay results to the same chemical and moisture basis.", "Select identity, water-content or phase tests that resolve a material discrepancy.", "Evaluate dissolution or precipitation evidence for a specified pH, medium and temperature.", "Assess a candidate material against the impurity and performance requirements of a proposed use.", "Assign handling, storage or further-review actions from documentation for the actual material form." ], "agent_conduct": { "may": [ "Identify which magnesium phosphate a material is from its stated formula, hydration and analysis.", "Report a sample's grade, such as food, feed, pharmaceutical or technical." ], "must_not": [ "Treat different magnesium phosphates as interchangeable when hydration or protonation differs.", "Use a technical grade in food, feed or medicine.", "Recommend magnesium supplements to a person without regard to kidney function or medical advice.", "Make health claims about it that the applicable authority has not accepted." ], "requires_human": [ "Using it as a food additive, supplement or medicine ingredient.", "Accepting a lot whose certificate does not match the specification." ] }, "ethics": { "considerations": [ "People with kidney disease can be harmed by excess magnesium or phosphate intake.", "Grade fraud in food ingredients puts consumers at risk." ], "affected_parties": [ "Consumers and patients", "Food and feed producers", "Workers handling powders" ] }, "owners": { "steward": "The producer or user that holds the material; food and medicines authorities set grade rules.", "master_systems": [] }, "visual_identification": [ "Usually a white, odourless powder that cannot be told from other phosphates by sight.", "Grade and composition are settled by the certificate of analysis and laboratory tests." ], "failure_modes_and_hazards": [ "Dust inhalation during handling.", "Wrong grade or form used in food or medicine.", "Excess intake in vulnerable people." ], "standards_and_regulation": [ "Regulation (EC) No 1333/2008 on food additives, European Union, which lists magnesium phosphates as an authorised additive.", "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations." ], "what_it_is_for": [ "Magnesium phosphate materials are encountered in chemical laboratories, fertilizer formulations and selected food or pharmaceutical applications.", "Certain magnesium phosphate systems are also used in cements and research on biomaterials.", "Suitability for a use depends on the specific salt, hydration state, purity and material grade." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q6731399: magnesium phosphate", "url": "https://www.wikidata.org/wiki/Q6731399", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Trimagnesium phosphate", "url": "https://en.wikipedia.org/wiki/Trimagnesium_phosphate", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "salt-identity-and-registry-boundary", "name": "Salt identity and registry boundary", "description": "Resolve what the magnesium phosphate name denotes and which nearby salts fall outside it.", "rationale": "An incorrect salt boundary propagates into identifiers, formula masses, specifications and use decisions.", "layers": [ { "id": "composition-and-protonation", "name": "Composition and protonation", "description": "Establish the chemical composition behind the reported name.", "findings": [ { "id": "formula-supported-salt-assignment", "name": "Formula-supported salt assignment", "description": "Record the proposed formula and evidence for its magnesium-to-phosphorus ratio and phosphate protonation.", "questions": [ { "text": "Does this registry entry denote trimagnesium phosphate specifically or a broader magnesium phosphate family?", "kind": "definition", "id": "formula-supported-salt-assignment-q01" }, { "text": "What compositional and structural evidence supports the assigned formula rather than a hydrogen phosphate, dihydrogen phosphate or mixture?", "kind": "measurement", "id": "formula-supported-salt-assignment-q02" } ] } ] }, { "id": "identifiers-and-neighboring-salts", "name": "Identifiers and neighboring salts", "description": "Connect identity records to the exact salt and hydration form.", "findings": [ { "id": "form-specific-identity-links", "name": "Form-specific identity links", "description": "Keep identifiers and synonyms attached to the forms they actually describe.", "questions": [ { "text": "Which CAS number, PubChem CID and EC number, if applicable, are verified for the resolved salt and hydration form?", "kind": "provenance", "id": "form-specific-identity-links-q01" }, { "text": "Which additional defining ions or alternative phosphate species would require a neighboring material model rather than this entry?", "kind": "boundary", "id": "form-specific-identity-links-q02" } ] } ] } ] }, { "id": "hydration-and-phase-state", "name": "Hydration and phase state", "description": "Describe the solid phases present and their response to storage or heating.", "rationale": "The same broad chemical label can conceal materially different water contents and phase assemblages.", "layers": [ { "id": "solid-form-identification", "name": "Solid form identification", "description": "Distinguish identified hydrates, anhydrous material and unresolved mixtures.", "findings": [ { "id": "phase-and-water-evidence", "name": "Phase and water evidence", "description": "Pair phase analysis with measurements that distinguish structural water from surface moisture.", "questions": [ { "text": "Which magnesium phosphate phases are identified, and what method establishes their presence and proportions?", "kind": "measurement", "id": "phase-and-water-evidence-q01" }, { "text": "How much measured water is assigned to a hydrate structure, adsorbed moisture or another component?", "kind": "measurement", "id": "phase-and-water-evidence-q02" } ] } ] }, { "id": "storage-and-thermal-change", "name": "Storage and thermal change", "description": "Track whether environmental exposure changes the material's form.", "findings": [ { "id": "condition-dependent-phase-retention", "name": "Condition-dependent phase retention", "description": "Record observed phase retention or transformation under specified humidity and temperature conditions.", "questions": [ { "text": "Under which storage conditions has the identified phase and hydration state been shown to remain within specification?", "kind": "measurement", "id": "condition-dependent-phase-retention-q01" }, { "text": "Do reported thermal events represent water loss, another transformation, decomposition or melting, and what evidence distinguishes them?", "kind": "definition", "id": "condition-dependent-phase-retention-q02" } ] } ] } ] }, { "id": "lot-composition-and-grade", "name": "Lot composition and grade", "description": "Make analytical results and grade claims comparable across actual material lots.", "rationale": "A nominal magnesium phosphate identity does not establish purity or fitness for a demanding use.", "layers": [ { "id": "assay-normalization", "name": "Assay normalization", "description": "Interpret magnesium, phosphorus and salt assays on explicit reporting bases.", "findings": [ { "id": "comparable-composition-results", "name": "Comparable composition results", "description": "Preserve the measured quantity and conversion assumptions behind each reported assay.", "questions": [ { "text": "Is the assay expressed as magnesium, phosphorus, an oxide equivalent or a specified magnesium phosphate formula?", "kind": "definition", "id": "comparable-composition-results-q01" }, { "text": "What water correction and formula assumptions are required to compare the result with the target specification?", "kind": "measurement", "id": "comparable-composition-results-q02" } ] } ] }, { "id": "impurities-and-grade-evidence", "name": "Impurities and grade evidence", "description": "Connect impurity measurements and grade claims to lot-specific evidence.", "findings": [ { "id": "documented-grade-conformity", "name": "Documented grade conformity", "description": "Record which requirements a lot demonstrably meets and which remain untested.", "questions": [ { "text": "Which residual ions, additional phosphate phases and contaminants were tested, with what limits and results?", "kind": "measurement", "id": "documented-grade-conformity-q01" }, { "text": "Which named specification and revision support the claimed grade, and does the certificate cover this lot?", "kind": "provenance", "id": "documented-grade-conformity-q02" } ] } ] } ] }, { "id": "aqueous-behavior-and-reactivity", "name": "Aqueous behavior and reactivity", "description": "Represent how the identified material behaves in a specified liquid environment.", "rationale": "Dissolution and precipitation decisions require the actual phase, medium and conditions.", "layers": [ { "id": "dissolution-and-release", "name": "Dissolution and release", "description": "Separate equilibrium claims from time-dependent magnesium and phosphorus release.", "findings": [ { "id": "conditioned-dissolution-evidence", "name": "Conditioned dissolution evidence", "description": "Attach dissolution results to phase identity, particle size, medium and test duration.", "questions": [ { "text": "What magnesium and phosphorus concentrations were measured at the stated pH, temperature, solid loading and contact time?", "kind": "measurement", "id": "conditioned-dissolution-evidence-q01" }, { "text": "Does the evidence establish equilibrium solubility, dissolution rate or only release under one test protocol?", "kind": "boundary", "id": "conditioned-dissolution-evidence-q02" } ] } ] }, { "id": "precipitation-and-phase-conversion", "name": "Precipitation and phase conversion", "description": "Assess whether contact with a medium preserves the starting material or produces other phases.", "findings": [ { "id": "reaction-products-and-compatibility", "name": "Reaction products and compatibility", "description": "Record observed reaction products and their consequences for a proposed operation.", "questions": [ { "text": "Which solid phases remain or appear after exposure to the intended medium, and how were they identified?", "kind": "measurement", "id": "reaction-products-and-compatibility-q01" }, { "text": "What compatibility testing is needed before using this material where magnesium or phosphate precipitation would affect performance?", "kind": "action", "id": "reaction-products-and-compatibility-q02" } ] } ] } ] }, { "id": "use-qualification-and-handling", "name": "Use qualification and handling", "description": "Translate identity, quality and behavior evidence into bounded material decisions.", "rationale": "Use suitability and handling requirements must follow the actual salt, grade and physical form.", "layers": [ { "id": "application-qualification", "name": "Application qualification", "description": "Evaluate the material against a named application's requirements.", "findings": [ { "id": "evidence-based-material-selection", "name": "Evidence-based material selection", "description": "Connect proposed use to verified composition, impurity limits and relevant performance measurements.", "questions": [ { "text": "Which salt form, grade and performance criteria does the proposed use require, and which are demonstrated for this lot?", "kind": "action", "id": "evidence-based-material-selection-q01" }, { "text": "Which current jurisdiction-specific rule or standard, if any, supports use of this exact form and grade?", "kind": "provenance", "id": "evidence-based-material-selection-q02" } ] } ] }, { "id": "exposure-and-material-care", "name": "Exposure and material care", "description": "Determine handling and storage actions from form-specific evidence.", "findings": [ { "id": "documented-handling-controls", "name": "Documented handling controls", "description": "Associate hazard information and practical controls with the identified powder or other supplied form.", "questions": [ { "text": "What GHS classification and applicable exposure limits are documented for the actual material, and which statements concern general particulate exposure?", "kind": "provenance", "id": "documented-handling-controls-q01" }, { "text": "What dust control, protective equipment and storage conditions follow from the current safety data sheet and observed moisture or phase sensitivity?", "kind": "action", "id": "documented-handling-controls-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 missing sense leaves unresolved whether this entry means trimagnesium orthophosphate specifically or the broader family of magnesium phosphate salts.", "Exact identifiers, solubility, thermal properties, and hazard classifications require confirmation for the specific salt, hydrate, and grade.", "This description is recalled knowledge; no sources or current regulatory provisions were consulted." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of magnesium phosphate this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Monomagnesium phosphate, Mg(H2PO4)2", "Dimagnesium phosphate, MgHPO4", "Trimagnesium phosphate, Mg3(PO4)2", "Hydrated magnesium phosphates" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of magnesium phosphate 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": "Chemical formula", "value_or_pattern": "Mg3(PO4)2", "note": "Identifies anhydrous trimagnesium orthophosphate; the unqualified registry name may cover other magnesium phosphate salts." }, { "scheme": "CAS Registry Number", "value_or_pattern": "Two to seven digits, a hyphen, two digits, a hyphen, and a check digit", "note": "Assign an exact identifier only after establishing the salt and hydration state." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of magnesium phosphate 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": [ "Selected grades serve as magnesium sources in nutritional formulations.", "Selected salts serve as food additives.", "Magnesium phosphate phases occur in phosphate cement binders.", "Magnesium phosphate materials are investigated for bone repair and resorbable biomaterials." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of magnesium phosphate this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Molar mass of anhydrous trimagnesium phosphate", "typical_range": "262.86", "unit": "g/mol" }, { "quantity": "Magnesium mass fraction in pure anhydrous trimagnesium phosphate", "typical_range": "27.74", "unit": "%" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of magnesium phosphate 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": [ "Dust can irritate eyes and the respiratory tract.", "Confusing different phosphate salts or hydrates leads to incorrect dosing and formulation calculations.", "Heating hydrated material can release water and change its phase composition.", "Solubility and precipitation depend on pH, potentially disrupting formulations.", "Technical-grade impurities can make material unsuitable for food or biomedical use." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of magnesium phosphate this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Food and supplement permissions, naming conventions, and purity requirements depend on jurisdiction and the particular salt." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of magnesium phosphate 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": "Magnesium ammonium phosphate", "difference": "Contains ammonium as an additional cation; its hexahydrate is struvite." }, { "name": "Calcium phosphate", "difference": "Contains calcium rather than magnesium as the principal metal cation." }, { "name": "Magnesium pyrophosphate", "difference": "Contains the condensed phosphate anion P2O7 rather than orthophosphate." }, { "name": "Magnesium phosphate cement", "difference": "An engineered binder system whose constituents and reaction products must be specified, rather than a single magnesium phosphate salt." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of magnesium phosphate this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the authoritative registry source intend trimagnesium phosphate specifically, or magnesium phosphate as a family?", "Which hydrate forms and synonyms belong within this entry, and which identifiers accurately describe each?", "Which phase-specific dissolution and thermal measurements are sufficiently documented to serve as reference properties?", "Which recognized grade specifications and use permissions apply to the resolved identity in the intended jurisdictions?", "Which hazards, exposure limits and storage sensitivities are established for the supplied form rather than inferred from a generic magnesium phosphate label?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }