{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T11:14:07Z",
    "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": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:28:52+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: WordNet gloss",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-PROPAGATION",
    "registryId": "vr.tr.propagation",
    "name": "propagation",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.FLW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/propagation/",
  "model": {
    "registry_id": "vr.tr.propagation",
    "name": "propagation",
    "purpose": "Let an agent handle wave propagation by wave type, medium, speed, losses and applications, and separate plant propagation and other senses.",
    "definition": "The movement of a wave through a medium or space, such as light, sound, radio or seismic waves, involving phenomena such as attenuation, reflection, refraction, diffraction and redshift; wave fronts describe surfaces of equal phase.",
    "what_it_is_for": "Understanding communication, sensing, acoustics and astronomy.",
    "affordances": [
      "explain propagation speed and losses",
      "estimate signal ranges",
      "relate propagation to redshift and cosmology",
      "separate other senses of propagation"
    ],
    "distinguishing_features": [
      "Wave movement",
      "Depends on medium",
      "Involves losses and scattering",
      "Basis of many technologies"
    ],
    "appearance": "Not visible directly; seen in ripples, echoes and signal coverage.",
    "visual_identification": [
      "Wave fronts and rays",
      "Attenuation with distance",
      "Plant propagation is a different sense"
    ],
    "physical_properties": [
      {
        "quantity": "Phase velocity",
        "unit": "m/s",
        "typical_range": "",
        "note": "Measure the speed of a constant-phase point for a specified wave type, frequency and medium."
      },
      {
        "quantity": "Wavelength",
        "unit": "m",
        "typical_range": "",
        "note": "Measure the distance between successive points of equal phase along the direction of propagation."
      },
      {
        "quantity": "Attenuation per unit distance",
        "unit": "dB/m",
        "typical_range": "",
        "note": "Measure the reduction in wave level over a known distance with frequency, medium and geometric spreading specified."
      }
    ],
    "families_and_kinds": [
      "electromagnetic propagation",
      "acoustic propagation",
      "seismic propagation",
      "radio propagation",
      "cosmological redshift"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "wave phenomenon",
        "why": "category"
      },
      {
        "relation": "involves",
        "target": "reflection and refraction",
        "why": "processes"
      },
      {
        "relation": "is related to",
        "target": "redshift",
        "why": "effect"
      },
      {
        "relation": "is confused with",
        "target": "plant propagation",
        "why": "another sense"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "ITU-R propagation recommendations"
    ],
    "failure_modes_and_hazards": [
      "Overestimating signal range",
      "Confusing senses"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain how waves propagate and attenuate, citing standard physics sources.",
        "Model radio or seismic propagation for planning on behalf of an authorized operator."
      ],
      "must_not": [
        "Use propagation models to plan jamming or interference with others' communications.",
        "Overstate coverage or signal reach in a way that misleads users relying on it for safety.",
        "Present propagation claims as evidence of health harm or safety without scientific support."
      ],
      "requires_human": [
        "Siting transmitters or warning systems that people will rely on in emergencies."
      ]
    },
    "ethics": {
      "considerations": [
        "Emergency warnings and communications depend on accurate coverage predictions.",
        "Fears about wave propagation are often exploited by misinformation."
      ],
      "affected_parties": [
        "People relying on communications",
        "Communities near transmitters",
        "Network operators"
      ]
    },
    "owners": {
      "steward": "Nobody owns a physical phenomenon; spectrum regulators license its use.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "oewn",
      "title": "Open English WordNet 2024, synset oewn-11533425-n",
      "url": "https://en-word.net/id/oewn-11533425-n",
      "what_it_supports": "sense and gloss of the concept",
      "url_status": "live",
      "checked_by": "http 200"
    },
    {
      "id": "wiktionary-en",
      "title": "Wiktionary: propagation",
      "url": "https://en.wiktionary.org/wiki/propagation",
      "what_it_supports": "word senses and usage",
      "url_status": "live",
      "checked_by": "http 200"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "wave",
        "name": "Wave",
        "description": "Which wave.",
        "rationale": "Waves differ.",
        "layers": [
          {
            "id": "type",
            "name": "Type",
            "description": "Wave type.",
            "findings": [
              {
                "id": "type-finding",
                "name": "Type",
                "description": "Wave type.",
                "questions": [
                  {
                    "text": "Which kind of wave is propagating?",
                    "kind": "definition"
                  },
                  {
                    "text": "Through which medium?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "speed",
            "name": "Speed",
            "description": "Propagation speed.",
            "findings": [
              {
                "id": "speed-finding",
                "name": "Speed",
                "description": "Propagation speed.",
                "questions": [
                  {
                    "text": "How fast does it travel in this medium?",
                    "kind": "measurement"
                  },
                  {
                    "text": "What affects the speed?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "losses",
        "name": "Losses",
        "description": "Attenuation.",
        "rationale": "Signals weaken.",
        "layers": [
          {
            "id": "attenuation",
            "name": "Attenuation",
            "description": "Loss.",
            "findings": [
              {
                "id": "attenuation-finding",
                "name": "Attenuation",
                "description": "Attenuation.",
                "questions": [
                  {
                    "text": "How much does the signal weaken over this distance?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which model estimates it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "obstacles",
            "name": "Obstacles",
            "description": "Reflection and diffraction.",
            "findings": [
              {
                "id": "obstacles-finding",
                "name": "Obstacles",
                "description": "Obstacles.",
                "questions": [
                  {
                    "text": "How do buildings or terrain affect propagation?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is there multipath?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "applications",
        "name": "Applications",
        "description": "Uses.",
        "rationale": "Propagation matters in practice.",
        "layers": [
          {
            "id": "radio",
            "name": "Radio",
            "description": "Coverage.",
            "findings": [
              {
                "id": "radio-finding",
                "name": "Radio",
                "description": "Radio coverage.",
                "questions": [
                  {
                    "text": "What range can this radio link achieve?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which ITU model applies?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "seismic",
            "name": "Seismic",
            "description": "Earthquakes.",
            "findings": [
              {
                "id": "seismic-finding",
                "name": "Seismic",
                "description": "Seismic waves.",
                "questions": [
                  {
                    "text": "How do seismic waves propagate through the Earth?",
                    "kind": "definition"
                  },
                  {
                    "text": "How is this used in early warning?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "senses",
        "name": "Senses",
        "description": "Disambiguation.",
        "rationale": "Propagation has other senses.",
        "layers": [
          {
            "id": "plants",
            "name": "Plants",
            "description": "Plant propagation.",
            "findings": [
              {
                "id": "plants-finding",
                "name": "Plants",
                "description": "Plant propagation.",
                "questions": [
                  {
                    "text": "Is propagating plants from cuttings or seed meant?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which entry fits?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "redshift",
            "name": "Redshift",
            "description": "Cosmology.",
            "findings": [
              {
                "id": "redshift-finding",
                "name": "Redshift",
                "description": "Redshift.",
                "questions": [
                  {
                    "text": "How does redshift arise as light propagates through expanding space?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which sources explain it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should wave types be separate entries?",
    "How should ITU models be linked?",
    "How should other senses be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}