{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T15:39:38Z",
    "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": "2026-10-05T18:00:00Z",
      "ingestedAt": "2026-10-05T13:29:02+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:26+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1552818",
    "registryId": "vr.tr.lyman-alpha-blob",
    "name": "Lyman-alpha blob",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1552818/",
  "model": {
    "registry_id": "vr.tr.lyman-alpha-blob",
    "name": "Lyman-alpha blob",
    "purpose": "Let an agent explain Lyman-alpha blobs, their discovery, proposed power sources and significance for galaxy formation, with attributed and dated findings.",
    "definition": "A huge concentration of hydrogen gas in the early universe emitting Lyman-alpha radiation, typically hundreds of thousands of light-years across and seen at high redshift, often associated with protoclusters, starburst galaxies or active galactic nuclei; their power source is debated among astronomers.",
    "what_it_is_for": "Studying galaxy formation in the early universe.",
    "affordances": [
      "explain what Lyman-alpha blobs are",
      "summarise proposed power sources with attribution",
      "describe key discoveries",
      "find survey data"
    ],
    "distinguishing_features": [
      "Giant hydrogen gas clouds",
      "Lyman-alpha emission",
      "High redshift",
      "Debated energy source"
    ],
    "appearance": "Not visible to the eye; extended glowing clouds in narrow-band images at high redshift.",
    "visual_identification": [
      "Extended Lyman-alpha emission",
      "Located in dense regions at high redshift",
      "Compact Lyman-alpha emitters are smaller"
    ],
    "physical_properties": [
      {
        "quantity": "Rest-frame emission wavelength",
        "unit": "nanometres",
        "typical_range": "Approximately 121.6",
        "note": "Hydrogen Lyman-alpha emission has this characteristic rest-frame wavelength, while the observed wavelength increases with cosmological redshift."
      },
      {
        "quantity": "Projected physical extent",
        "unit": "light-years",
        "typical_range": "",
        "note": "Extent is inferred from the angular size of detected emission and the cosmological distance, with the boundary depending on observational sensitivity."
      },
      {
        "quantity": "Lyman-alpha luminosity",
        "unit": "watts",
        "typical_range": "",
        "note": "Luminosity is inferred from integrated line flux and luminosity distance, with corrections depending on absorption and observational coverage."
      }
    ],
    "families_and_kinds": [
      "blobs powered by starbursts",
      "blobs powered by active nuclei",
      "blobs powered by cooling gas",
      "giant blobs in protoclusters"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "Lyman-alpha emitter",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "ultraluminous X-ray source",
        "why": "other high-energy phenomenon"
      },
      {
        "relation": "is related to",
        "target": "celestial body",
        "why": "broader class"
      },
      {
        "relation": "is studied by",
        "target": "extragalactic astronomy",
        "why": "field"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No specific regulation"
    ],
    "failure_modes_and_hazards": [
      "Presenting debated mechanisms as settled",
      "Confusing blobs with compact emitters"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe Lyman-alpha blobs from published astronomical research.",
        "Report catalogue designations and redshifts as published."
      ],
      "must_not": [
        "Present tentative interpretations of a blob's power source as established.",
        "Invent observations or catalogue entries."
      ],
      "requires_human": [
        "Announcing a new discovery on behalf of a research team."
      ]
    },
    "ethics": {
      "considerations": [
        "Science communication must separate data from interpretation.",
        "Research credit belongs to the observers who made the finding."
      ],
      "affected_parties": [
        "Researchers",
        "The public"
      ]
    },
    "owners": {
      "steward": "Nobody owns the object; research teams publish observations.",
      "master_systems": [
        "Astronomical object databases"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1552818: Lyman-alpha blob",
      "url": "https://www.wikidata.org/wiki/Q1552818",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Lyman-alpha blob",
      "url": "https://en.wikipedia.org/wiki/Lyman-alpha_blob",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "define",
        "name": "Define",
        "description": "What they are.",
        "rationale": "Emission defines them.",
        "layers": [
          {
            "id": "emission",
            "name": "Emission",
            "description": "Lyman-alpha.",
            "findings": [
              {
                "id": "emission-finding",
                "name": "Emission",
                "description": "Lyman-alpha emission.",
                "questions": [
                  {
                    "text": "Why do these clouds emit Lyman-alpha radiation, and how is it observed at high redshift?",
                    "kind": "definition"
                  },
                  {
                    "text": "How large and distant are they?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "versus",
            "name": "Versus",
            "description": "Blobs versus emitters.",
            "findings": [
              {
                "id": "versus-finding",
                "name": "Versus",
                "description": "Blobs versus emitters.",
                "questions": [
                  {
                    "text": "How do Lyman-alpha blobs differ from ordinary Lyman-alpha emitters?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is there a size threshold?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "power",
        "name": "Power",
        "description": "Energy sources.",
        "rationale": "Models compete.",
        "layers": [
          {
            "id": "models",
            "name": "Models",
            "description": "Proposed mechanisms.",
            "findings": [
              {
                "id": "models-finding",
                "name": "Models",
                "description": "Proposed mechanisms.",
                "questions": [
                  {
                    "text": "Which mechanisms are proposed to power blobs, such as starbursts, active nuclei or cooling flows, and by whom?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What evidence supports each?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "polarisation",
            "name": "Polarisation",
            "description": "Key observations.",
            "findings": [
              {
                "id": "polarisation-finding",
                "name": "Polarisation",
                "description": "Key observations.",
                "questions": [
                  {
                    "text": "What did polarisation measurements reveal about scattering in blobs?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which telescopes made the observations?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "discovery",
        "name": "Discovery",
        "description": "History.",
        "rationale": "Discoveries are dated.",
        "layers": [
          {
            "id": "first",
            "name": "First",
            "description": "First blobs.",
            "findings": [
              {
                "id": "first-finding",
                "name": "First",
                "description": "First blobs.",
                "questions": [
                  {
                    "text": "When and where were the first Lyman-alpha blobs found?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which are the largest known?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "context",
            "name": "Context",
            "description": "Protoclusters.",
            "findings": [
              {
                "id": "context-finding",
                "name": "Context",
                "description": "Protoclusters.",
                "questions": [
                  {
                    "text": "How are blobs linked to protoclusters and galaxy formation?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What do simulations predict?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "Explaining.",
        "rationale": "Clarity matters.",
        "layers": [
          {
            "id": "explain",
            "name": "Explain",
            "description": "Plain language.",
            "findings": [
              {
                "id": "explain-finding",
                "name": "Explain",
                "description": "Plain explanation.",
                "questions": [
                  {
                    "text": "How can Lyman-alpha blobs be explained simply and accurately?",
                    "kind": "action"
                  },
                  {
                    "text": "Which caveats apply?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "data",
            "name": "Data",
            "description": "Surveys.",
            "findings": [
              {
                "id": "data-finding",
                "name": "Data",
                "description": "Surveys.",
                "questions": [
                  {
                    "text": "Which surveys and catalogues list blobs?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How can the data be accessed?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should notable blobs be separate entries?",
    "How should surveys be linked?",
    "How should competing models be attributed?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}