{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T06:00:47Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 2,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T23:50:00Z",
      "ingestedAt": "2026-10-05T20:57:02+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:59+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q3848483",
    "registryId": "vr.tr.biological-rhythm",
    "name": "biological rhythm",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "ACT.PRC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q3848483/",
  "model": {
    "registry_id": "vr.tr.biological-rhythm",
    "name": "biological rhythm",
    "purpose": "Let an agent explain biological rhythms and their kinds and mechanisms, describe circadian clocks and their synchronisation, relay health information on sleep and shift work from health bodies, and support learning in chronobiology.",
    "definition": "A periodic pattern in the physiology or behaviour of living organisms, including circadian rhythms of roughly twenty-four hours governed by internal clocks, circatidal and lunar rhythms in coastal organisms, annual rhythms of migration and hibernation, and short cycles such as heart rhythm, breathing and locomotor rhythms; biological rhythms are generated by internal oscillators and synchronised by light and other cues, and their disruption affects sleep, health and performance.",
    "what_it_is_for": "Periodic patterns in living organisms.",
    "affordances": [
      "explain kinds and mechanisms",
      "describe circadian clocks",
      "relay health information",
      "support learning"
    ],
    "distinguishing_features": [
      "Endogenous oscillators",
      "Entrainment by cues",
      "Multiple periods",
      "Health relevance"
    ],
    "appearance": "Not physical; patterns over time.",
    "visual_identification": [
      "Periodic physiological or behavioural pattern",
      "Circadian, circatidal, annual, heart and locomotor rhythms",
      "A biological clock is the mechanism; a cycle in ecology may not be organismal"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "circadian rhythms",
      "circatidal and lunar rhythms",
      "circannual rhythms",
      "ultradian rhythms such as heart and breathing",
      "locomotor and neural rhythms"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "periodic phenomenon",
        "why": "category"
      },
      {
        "relation": "is a kind of",
        "target": "biological phenomenon",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "sea ice",
        "why": "seasonal cues in polar environments"
      },
      {
        "relation": "is related to",
        "target": "stress",
        "why": "effects of rhythm disruption"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Occupational rules on shift work and rest",
      "Clinical guidelines for sleep disorders",
      "No regulation of the concept"
    ],
    "failure_modes_and_hazards": [
      "Agents giving personal sleep or medical advice",
      "Confusing rhythm kinds",
      "Unfounded chronotherapy claims"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain biological rhythms, from circadian clocks to annual cycles.",
        "Relay health information on sleep and shift work from health bodies.",
        "Describe research on clocks with attribution."
      ],
      "must_not": [
        "Give personal sleep or medical advice as if clinical.",
        "Promote unfounded chronotherapy or supplement claims.",
        "Confuse kinds of rhythm.",
        "Advise disrupting animals' natural cycles such as hibernation."
      ],
      "requires_human": [
        "Scheduling shift work or medication timing based on rhythm claims."
      ]
    },
    "ethics": {
      "considerations": [
        "Shift work disrupts rhythms and harms health; workers deserve protection.",
        "Light pollution disturbs wildlife rhythms."
      ],
      "affected_parties": [
        "Shift workers",
        "Patients",
        "Wildlife"
      ]
    },
    "owners": {
      "steward": "Nobody: a biological phenomenon held in common.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q3848483: biological rhythm",
      "url": "https://www.wikidata.org/wiki/Q3848483",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Biological rhythm",
      "url": "https://en.wikipedia.org/wiki/Biological_rhythm",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What biological rhythms are.",
        "rationale": "Biology.",
        "layers": [
          {
            "id": "concept",
            "name": "Concept",
            "description": "Concept and kinds.",
            "findings": [
              {
                "id": "concept-finding",
                "name": "Concept",
                "description": "Concept.",
                "questions": [
                  {
                    "text": "What are biological rhythms, and how do circadian, circatidal, annual and ultradian rhythms differ?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which rhythm is meant?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "mechanisms",
            "name": "Mechanisms",
            "description": "Clocks and entrainment.",
            "findings": [
              {
                "id": "mechanisms-finding",
                "name": "Mechanisms",
                "description": "Mechanisms.",
                "questions": [
                  {
                    "text": "How do internal clocks generate rhythms, and how do light and other cues entrain them?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits circadian clocks?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Rhythms and health.",
        "rationale": "General information.",
        "layers": [
          {
            "id": "sleep",
            "name": "Sleep",
            "description": "Sleep and shift work.",
            "findings": [
              {
                "id": "sleep-finding",
                "name": "Sleep",
                "description": "Sleep.",
                "questions": [
                  {
                    "text": "What do health bodies say about sleep, jet lag and shift work in relation to circadian rhythms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user asking about their own sleep problem, which needs a clinician?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "medicine",
            "name": "Medicine",
            "description": "Chronomedicine.",
            "findings": [
              {
                "id": "medicine-finding",
                "name": "Medicine",
                "description": "Medicine.",
                "questions": [
                  {
                    "text": "How are rhythms considered in timing of treatment and in disorders of heart and neural rhythm, in general terms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is urgent care needed, for example with an abnormal heart rhythm?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "nature",
        "name": "Nature",
        "description": "Rhythms in nature.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "ecology",
            "name": "Ecology",
            "description": "Ecology and behaviour.",
            "findings": [
              {
                "id": "ecology-finding",
                "name": "Ecology",
                "description": "Ecology.",
                "questions": [
                  {
                    "text": "How do tidal, lunar and seasonal rhythms shape behaviour such as migration, hibernation and spawning?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits animal behaviour?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "research",
            "name": "Research",
            "description": "Research.",
            "findings": [
              {
                "id": "research-finding",
                "name": "Research",
                "description": "Research.",
                "questions": [
                  {
                    "text": "What research is under way on molecular clocks and rhythm disruption, with findings attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which findings are contested?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "History and teaching.",
        "rationale": "Education.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did chronobiology develop, from early plant observations to the discovery of clock genes?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "teach",
            "name": "Teach",
            "description": "Teaching.",
            "findings": [
              {
                "id": "teach-finding",
                "name": "Teach",
                "description": "Teaching.",
                "questions": [
                  {
                    "text": "How can biological rhythms be taught?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should circadian rhythm be a separate entry?",
    "How should sleep guidance be linked?",
    "How should research literature be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}