{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T11:56:52Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 19.0, "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: 01a09579-13ce-7531-89bb-80e97f1a1e12\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: patellar tendon\nSense to describe: (none recorded)\nDomain code: PHY.LIV\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 1001", "usd": 0.0, "recall": true }, "codex": { "seconds": 76.9, "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: 01a09579-13d1-79c0-9002-608d292f9302\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: patellar tendon\nRegistry id: vr.tr.patellar-tendon\nPlane / domain: PHY / PHY.LIV\nRegistry definition: (none recorded)\nNames folded into this entry: (" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:44:48+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-Q1172095", "registryId": "vr.tr.patellar-tendon", "name": "patellar tendon", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.LIV" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1172095/", "model": { "registry_id": "vr.tr.patellar-tendon", "name": "patellar tendon", "purpose": "Enable an agent to identify a patellar tendon, assess its documented structure and contribution to knee extension, and determine which observations or authorized actions its state supports.", "definition": "The patellar tendon, anatomically termed the patellar ligament, is the strong fibrous band connecting the inferior pole of the patella to the tibial tuberosity and transmitting quadriceps force through the patella to extend the knee.", "scope_statement": "This model owns the patellar-tendon-specific specialization of tendon for registry entry vr.tr.patellar-tendon in PHY / PHY.LIV: anatomical identity, attachment interfaces, local morphology, mechanical participation, condition evidence, and intervention history; human anatomy is the provisional scope.", "in_scope": [ "Identification of an individual tendon by subject, knee laterality, and anatomical attachments", "Inferior patellar attachment, tendon substance, and tibial tuberosity attachment", "Site-specific geometry and observations made under recorded examination conditions", "Participation in the knee extensor mechanism and evidence of functional continuity", "Localized symptoms, structural abnormalities, and their evidential relationship", "Changes following loading, injury, repair, reconstruction, or graft harvest" ], "out_of_scope": [ "General tendon composition, biology, and measurement principles owned by the broader tendon model", "Quadriceps muscle and quadriceps tendon as independently modeled structures", "Whole-patella, tibial, and knee-joint anatomy beyond their tendon interfaces", "Retinacula, infrapatellar bursae, and fat pad as separate anatomical structures", "Disease definitions, differential-diagnosis protocols, and treatment guidelines", "Detached graft products and surgical procedures beyond their relationships to this tendon" ], "distinguishing_features": [ "In human anatomy, identify the structure by its span from the inferior patellar pole to the tibial tuberosity. [Anatomical study](https://pubmed.ncbi.nlm.nih.gov/28207972/)", "Resolve 'patellar ligament' as an anatomical naming equivalent rather than automatically creating another registered thing; the bone-to-bone attachment explains the ligament terminology. [NCBI MeSH](https://www.ncbi.nlm.nih.gov/mesh/D017847)", "Distinguish it from the quadriceps tendon by its position distal to the patella within the knee extensor mechanism. [Knee anatomy and imaging](https://www.ncbi.nlm.nih.gov/books/NBK570163/)", "Require observations to localize to the tendon substance or attachment interface; anterior knee pain alone does not establish which anatomical structure is being described." ], "characteristics": [ { "name": "Anatomical instance", "kind": "relation", "unit_or_values": "Subject identifier, species, left or right knee, linked patella and tibia", "why_it_matters": "Prevents mixing two knees, different subjects, or human and nonhuman anatomy." }, { "name": "Tendon region", "kind": "category", "unit_or_values": "Patellar attachment, proximal substance, midsubstance, distal substance, tibial attachment; retain localization method", "why_it_matters": "Makes symptoms, measurements, and structural observations comparable at the same site." }, { "name": "Attachment-to-attachment length", "kind": "measurement", "unit_or_values": "mm; record endpoint landmarks, knee flexion angle, loading condition, and modality", "why_it_matters": "Supports geometric comparison without treating measurements obtained in different positions as equivalent." }, { "name": "Regional cross-sectional geometry", "kind": "measurement", "unit_or_values": "Thickness and width in mm, cross-sectional area in mm²; specify region and imaging plane", "why_it_matters": "Records local morphology without assuming uniform geometry along the tendon." }, { "name": "Structural continuity", "kind": "state", "unit_or_values": "Continuous, partial discontinuity, complete discontinuity, indeterminate, not assessed; include region and evidence", "why_it_matters": "Separates directly observed structural state from a diagnostic label." }, { "name": "Local imaging appearance", "kind": "state", "unit_or_values": "Modality-specific description of fiber pattern, echogenicity or signal, and focal abnormalities", "why_it_matters": "Preserves observations without equating an imaging appearance with symptoms or functional capacity." }, { "name": "Load-associated symptom response", "kind": "measurement", "unit_or_values": "Named symptom scale and score, exact location, provoking task, and immediate or delayed timing", "why_it_matters": "Links reported symptoms to a reproducible loading context." }, { "name": "Knee extension performance", "kind": "measurement", "unit_or_values": "Active and passive extension in degrees, extension lag in degrees, optional torque in N·m; record protocol", "why_it_matters": "Records whole-mechanism performance while preserving uncertainty about the tendon's individual contribution." }, { "name": "Surgical and tissue history", "kind": "state", "unit_or_values": "Native, repaired, reconstructed, partially harvested, other documented alteration, unknown; include dates", "why_it_matters": "Changes how current anatomy and comparisons with earlier observations should be interpreted." } ], "affordances": [ "Map a clinical or imaging reference to the correct subject, knee, tendon region, and anatomical name.", "Compare regional geometry and continuity across examinations with compatible acquisition conditions.", "Relate tendon observations to documented knee-extension performance without assigning unsupported causation.", "Track task-specific loading and symptom responses over time.", "Identify unresolved findings for clinician review and associate existing clinical restrictions with the tendon.", "Record the anatomical consequences of repair, reconstruction, or graft harvest." ], "agent_conduct": { "may": [ "Explain the anatomy and function of the patellar tendon in general terms.", "Advise someone who cannot straighten the knee after a fall or jump to seek urgent care." ], "must_not": [ "Diagnose tendon rupture or tendinopathy for a specific person.", "Prescribe exercises, injections or surgery for a specific person.", "Push an athlete to train through tendon pain against medical advice.", "Disclose an athlete's injury records without consent." ], "requires_human": [ "Treatment and return-to-sport decisions after injury." ] }, "ethics": { "considerations": [ "Athletes are pressured to play through injury, sometimes with lasting harm.", "Health data of athletes is sensitive and can affect contracts and careers." ], "affected_parties": [ "Athletes", "Older people prone to falls", "Coaches and teams" ] }, "owners": { "steward": "Nobody owns it; it is part of each person's body.", "master_systems": [] }, "visual_identification": [ "A thick cord that can be felt just below the kneecap, running to a bump on the shinbone." ], "failure_modes_and_hazards": [ "Jumper's knee from overuse causes pain below the kneecap.", "Complete rupture prevents straightening the knee." ], "standards_and_regulation": [ "Terminologia Anatomica, Federative International Programme for Anatomical Terminology, which names it the patellar ligament." ], "what_it_is_for": [ "The patellar tendon is encountered in anatomical study, knee imaging and assessments of movement or injury.", "It transmits force from the patella to the tibia during knee extension, contributing to standing, walking, running and jumping." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1172095: patellar tendon", "url": "https://www.wikidata.org/wiki/Q1172095", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Patellar tendon", "url": "https://en.wikipedia.org/wiki/Patellar_tendon", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "patellar-tendon-identity", "name": "Patellar tendon identity", "description": "Establish which anatomical instance is meant and how it specializes the broader tendon concept.", "rationale": "The model must resolve tendon-versus-ligament terminology and distinguish this structure from adjacent parts of the extensor mechanism.", "layers": [ { "id": "terminology-and-specialization", "name": "Terminology and specialization", "description": "Connect the registry identity to anatomical names and inherited tendon properties.", "findings": [ { "id": "patellar-tendon-name-resolution", "name": "Patellar tendon name resolution", "description": "Record naming equivalence without treating it as evidence of an additional registry entry.", "questions": [ { "text": "Does the source use patellar tendon, patellar ligament, or another term for the same anatomical span?", "kind": "definition", "id": "patellar-tendon-name-resolution-q01" }, { "text": "Which properties are inherited from tendon, and which depend specifically on the patellar and tibial attachments?", "kind": "boundary", "id": "patellar-tendon-name-resolution-q02" } ] } ] }, { "id": "subject-and-anatomical-instance", "name": "Subject and anatomical instance", "description": "Anchor every observation to one knee and its documented anatomy.", "findings": [ { "id": "laterality-and-endpoint-identification", "name": "Laterality and endpoint identification", "description": "Identify the tendon through its subject, side, and attachment landmarks.", "questions": [ { "text": "Which subject, species, and knee does this tendon belong to?", "kind": "provenance", "id": "laterality-and-endpoint-identification-q01" }, { "text": "What examination or image establishes the patellar and tibial endpoints?", "kind": "provenance", "id": "laterality-and-endpoint-identification-q02" }, { "text": "Does the referenced tissue lie below the patella, or is the source actually describing the quadriceps tendon above it?", "kind": "boundary", "id": "laterality-and-endpoint-identification-q03" } ] } ] } ] }, { "id": "attachment-and-regional-anatomy", "name": "Attachment and regional anatomy", "description": "Describe the tendon by its two attachment interfaces and intervening substance.", "rationale": "An observation at an attachment has different anatomical boundaries from one in the midsubstance.", "layers": [ { "id": "patellar-and-tibial-interfaces", "name": "Patellar and tibial interfaces", "description": "Locate observations relative to the inferior patella and tibial tuberosity.", "findings": [ { "id": "attachment-localization", "name": "Attachment localization", "description": "Keep tendon-side, interface, and bone-side observations distinguishable.", "questions": [ { "text": "Is the observation at the patellar attachment, tibial attachment, or intervening tendon?", "kind": "measurement", "id": "attachment-localization-q01" }, { "text": "Does it concern tendon tissue, the attachment interface, or adjacent bone requiring a linked bone record?", "kind": "boundary", "id": "attachment-localization-q02" }, { "text": "What landmarks and evidence establish the extent of the affected interface?", "kind": "provenance", "id": "attachment-localization-q03" } ] } ] }, { "id": "regional-geometry-and-neighbours", "name": "Regional geometry and neighbours", "description": "Localize tendon measurements and separate adjacent tissues.", "findings": [ { "id": "site-specific-tendon-dimensions", "name": "Site-specific tendon dimensions", "description": "Attach each geometric observation to a reproducible location and acquisition condition.", "questions": [ { "text": "At what distance from a named attachment were thickness, width, or cross-sectional area measured?", "kind": "measurement", "id": "site-specific-tendon-dimensions-q01" }, { "text": "What knee angle, loading state, modality, and imaging plane were used?", "kind": "measurement", "id": "site-specific-tendon-dimensions-q02" }, { "text": "How was tendon tissue distinguished from adjacent fat pad, bursa, or retinacular tissue?", "kind": "boundary", "id": "site-specific-tendon-dimensions-q03" } ] } ] } ] }, { "id": "extensor-mechanism-participation", "name": "Extensor mechanism participation", "description": "Represent the tendon's mechanical relationship to knee extension and task loading.", "rationale": "Its useful functional context is the patella-to-tibia portion of a larger mechanism, so whole-knee performance needs explicit attribution limits.", "layers": [ { "id": "extension-and-continuity", "name": "Extension and continuity", "description": "Connect observed tendon continuity with separately recorded extension performance.", "findings": [ { "id": "structural-functional-correspondence", "name": "Structural and functional correspondence", "description": "Maintain separate evidence for tendon structure and extensor-mechanism performance.", "questions": [ { "text": "What evidence describes continuity between the patellar and tibial attachments?", "kind": "provenance", "id": "structural-functional-correspondence-q01" }, { "text": "What active extension, passive extension, and extension lag were recorded under which protocol?", "kind": "measurement", "id": "structural-functional-correspondence-q02" }, { "text": "Which quadriceps, patellar, retinacular, or pain-related factors remain unresolved when attributing performance to this tendon?", "kind": "boundary", "id": "structural-functional-correspondence-q03" } ] } ] }, { "id": "task-loading-context", "name": "Task loading context", "description": "Describe the activities and assumptions underlying tendon-loading observations.", "findings": [ { "id": "patellar-tendon-load-exposure", "name": "Patellar tendon load exposure", "description": "Distinguish recorded activity from measured or estimated tendon mechanics.", "questions": [ { "text": "Which task, knee-flexion range, external resistance, repetitions, and frequency define the exposure?", "kind": "measurement", "id": "patellar-tendon-load-exposure-q01" }, { "text": "If tendon force or strain is reported, was it measured or estimated, and what method and assumptions were used?", "kind": "provenance", "id": "patellar-tendon-load-exposure-q02" }, { "text": "Which documented clinical plan governs any proposed change to this loading exposure?", "kind": "action", "id": "patellar-tendon-load-exposure-q03" } ] } ] } ] }, { "id": "localized-condition-evidence", "name": "Localized condition evidence", "description": "Organize structural observations, symptoms, and interpretations without conflating them.", "rationale": "A useful patellar tendon assessment must preserve where an abnormality is observed and whether symptoms or functional changes accompany it.", "layers": [ { "id": "tendon-structure-observations", "name": "Tendon structure observations", "description": "Record localized continuity and tissue appearance with acquisition provenance.", "findings": [ { "id": "regional-structural-state", "name": "Regional structural state", "description": "Describe the observed tissue state before associating a diagnosis.", "questions": [ { "text": "Which region shows altered fiber appearance, focal thickening, or discontinuity, and what is its measured extent?", "kind": "measurement", "id": "regional-structural-state-q01" }, { "text": "Which modality, examination date, and interpreter support the observation?", "kind": "provenance", "id": "regional-structural-state-q02" }, { "text": "Is the structural interpretation definite, indeterminate, or limited by acquisition quality?", "kind": "boundary", "id": "regional-structural-state-q03" } ] } ] }, { "id": "symptoms-and-diagnostic-attribution", "name": "Symptoms and diagnostic attribution", "description": "Connect localized symptom reports to observations while keeping diagnoses externally attributable.", "findings": [ { "id": "symptom-structure-agreement", "name": "Symptom and structure agreement", "description": "Capture agreement, disagreement, or missing evidence between symptoms and tendon observations.", "questions": [ { "text": "Where is pain or tenderness localized, and during or after which task does it occur?", "kind": "measurement", "id": "symptom-structure-agreement-q01" }, { "text": "Do the symptom location and structural observation concern the same tendon region?", "kind": "boundary", "id": "symptom-structure-agreement-q02" }, { "text": "Who assigned any diagnosis, and which competing anatomical explanations remain unresolved?", "kind": "provenance", "id": "symptom-structure-agreement-q03" } ] } ] } ] }, { "id": "tendon-history-and-action-context", "name": "Tendon history and action context", "description": "Track alterations to the patellar tendon and the evidence governing subsequent review or activity.", "rationale": "Repair, reconstruction, and graft harvest can change the anatomy being assessed and the meaning of longitudinal comparisons.", "layers": [ { "id": "repair-reconstruction-and-harvest", "name": "Repair, reconstruction, and harvest", "description": "Connect tissue alterations to the current anatomical instance.", "findings": [ { "id": "altered-patellar-tendon-anatomy", "name": "Altered patellar tendon anatomy", "description": "Record which native tissue and attachment relationships remain after an intervention.", "questions": [ { "text": "Was this tendon repaired, reconstructed, or used as a graft donor, and on what date?", "kind": "provenance", "id": "altered-patellar-tendon-anatomy-q01" }, { "text": "Which region, attachment, or portion of tendon was altered according to the procedure record?", "kind": "boundary", "id": "altered-patellar-tendon-anatomy-q02" }, { "text": "Should a referenced graft be linked as a separate tissue instance rather than identified as the remaining donor tendon?", "kind": "boundary", "id": "altered-patellar-tendon-anatomy-q03" } ] } ] }, { "id": "follow-up-and-authorized-actions", "name": "Follow-up and authorized actions", "description": "Support longitudinal comparison and apply documented clinical decisions.", "findings": [ { "id": "evidence-linked-next-step", "name": "Evidence-linked next step", "description": "Connect reassessment or activity decisions to current observations and responsible clinical guidance.", "questions": [ { "text": "Which earlier examination is comparable in tendon region, knee position, modality, and task protocol?", "kind": "measurement", "id": "evidence-linked-next-step-q01" }, { "text": "What restrictions or progression criteria have been documented, by whom, and for what interval?", "kind": "action", "id": "evidence-linked-next-step-q02" }, { "text": "Does a newly recorded discontinuity or loss of extension require clinician review under the applicable care protocol?", "kind": "action", "id": "evidence-linked-next-step-q03" } ] } ] } ] }, { "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": [ "This description assumes normal human anatomy; comparative anatomy would require species-specific treatment.", "No numerical dimensions are supplied because reference ranges depend on age, body size, measurement location and imaging method.", "Terminology and clinical associations are recalled knowledge, not claims verified against sources for this entry." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of patellar tendon 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": "Ligamentum patellae", "note": "Anatomical Latin name; patellar tendon is widely used in clinical practice." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of patellar tendon 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 patellar tendon 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": [ "Transmits force as part of the knee extensor mechanism during standing, walking, running and jumping.", "Tapping it elicits the patellar reflex during neurological examination.", "Its central portion, with patellar and tibial bone blocks, can provide an autograft for anterior cruciate ligament reconstruction.", "Ultrasound and MRI assess its continuity and structural abnormalities." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of patellar tendon 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": [ "Patellar tendinopathy can cause load-related anterior knee pain, commonly near the patellar attachment.", "Partial or complete rupture can impair active knee extension.", "Attachment injuries can involve avulsion of adjacent bone.", "Harvesting a patellar tendon graft can produce donor-site pain, including pain when kneeling." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of patellar tendon 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": "tendon", "difference": "Tendon is the broader tissue and structure category; this named structure occupies a specific position in the knee extensor mechanism and directly connects two bones." }, { "name": "patellar ligament", "difference": "This is an alternative name for the same structure, not a separate anatomical entity." }, { "name": "quadriceps tendon", "difference": "The quadriceps tendon connects the quadriceps muscle to the patella above it; the patellar tendon connects the patella to the tibia below it." }, { "name": "patella", "difference": "The patella is a sesamoid bone; the patellar tendon is the fibrous band extending from it to the tibia." }, { "name": "patellar retinacula", "difference": "These are medial and lateral fibrous expansions supporting the patella, distinct from the central patella-to-tibia band." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of patellar tendon this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does vr.tr.patellar-tendon intentionally cover nonhuman anatomy, or should its scope be explicitly human?", "Which existing Vercy tendon and knee extensor-mechanism models should supply inherited properties and relationships without duplicating coverage?", "Which region definitions and measurement protocols provide reproducible patellar tendon comparisons across ultrasound, MRI, and direct examination?", "Which reference ranges and meaningful-change thresholds are supported for specific ages, body sizes, activity levels, and intervention histories?", "What evidence and clinical protocols should govern interpretation when structural appearance, localized symptoms, and extension performance disagree?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 35 } }