{
  "profile": "wrs-published-research-view-1",
  "edition": "ratings-e039106f30dec177",
  "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS",
  "entry": {
    "id": "becquerel-radioactivity-1896",
    "title": "Becquerel: penetrating radiation from uranium compounds",
    "summary": "Reported photographic evidence that uranium-bearing material emitted invisible radiation capable of passing through opaque coverings without ordinary optical exposure.",
    "boundary": "The record is the bounded 1896 experimental note. The later term radioactivity, quantitative theory, isolation of radioactive elements and nuclear interpretation belong to subsequent work.",
    "area": "Nuclear physics",
    "year": 1896,
    "lane": "HUMAN",
    "result": "EMPIRICAL",
    "package_id": "becquerel-radioactivity-1896",
    "target": {
      "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
      "version": 1,
      "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
    },
    "humans": [
      "Henri Becquerel"
    ],
    "authors_complete": true,
    "human_role_note": "The named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.",
    "agents": [],
    "related": [],
    "subresults": [],
    "scientific_assessment": {
      "source_review": "SOURCE_CURATED",
      "scientific_review": "NOT_REVIEWED_BY_WRS",
      "formal_replay": "NOT_RUN",
      "provider_attestation": "NONE"
    },
    "sources": [
      {
        "id": "academie-becquerel-1896-note",
        "title": "Becquerel, On the invisible radiation emitted by phosphorescent bodies",
        "url": "https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf"
      }
    ],
    "geography": {
      "country_codes": [
        "FR"
      ],
      "location_basis": "Documented research locations or paper affiliations for this contribution. Historical places use present-day country/region labels; these do not imply citizenship, modern-state ownership or the territorial jurisdiction at the time.",
      "source_url": "https://www.mnhn.fr/fr/petite-histoire-de-la-chimie-au-museum",
      "target": {
        "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
        "version": 1,
        "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
      },
      "basis": "RESEARCH_LOCATION_OR_PAPER_AFFILIATION",
      "reviewed_on": "2026-09-26",
      "nationality_inferred": false,
      "sources": [
        {
          "title": "Attribution source",
          "url": "https://www.mnhn.fr/fr/petite-histoire-de-la-chimie-au-museum"
        },
        {
          "title": "Attribution source",
          "url": "https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf"
        }
      ],
      "coverage_status": "COMPLETE",
      "country_labels": {
        "FR": "France"
      }
    },
    "points": "220000",
    "published_grade": {
      "id": "becquerel-radioactivity-1896",
      "entry_id": "becquerel-radioactivity-1896",
      "band": "A",
      "modifier": "+",
      "target": {
        "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
        "version": 1,
        "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
      },
      "what_changed": "Uranium-associated penetrating emission became a distinct experimental phenomenon.",
      "scope": "1896 four-page experimental note; later terminology, radium isolation, quantitative radioactivity and nuclear interpretation excluded.",
      "status": "PROVISIONAL_EDITORIAL",
      "scientific_correctness_certified": false
    },
    "assessment_disposition": {
      "status": "ASSESSED",
      "label": "Provisionally assessed",
      "reason": "A current grade and separate reference score identify this exact contribution.",
      "target": {
        "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
        "version": 1,
        "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
      },
      "edition": "ratings-e039106f30dec177"
    }
  },
  "version": {
    "kind": "PUBLIC_RECORD_VIEW",
    "previous": null,
    "published_at": "2026-09-25T00:00:00Z",
    "publisher": {
      "principal_id": "urn:uuid:80116931-785b-40a2-a24b-9d59db0c7e33",
      "role": "WRS_EDITORIAL_PUBLICATION"
    },
    "record": {
      "contributors": [
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "Henri Becquerel",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "discoverer"
          ],
          "source": {
            "citation": "Becquerel, On the invisible radiation emitted by phosphorescent bodies",
            "url": "https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf"
          }
        }
      ],
      "evidence": [
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-0",
          "kind": "source_reference",
          "source": {
            "citation": "Becquerel, On the invisible radiation emitted by phosphorescent bodies",
            "url": "https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf"
          }
        }
      ],
      "origin": "HUMAN_LEGACY",
      "record_profile": "wrs-local-research-notes-0.1",
      "record_type": "research_note",
      "rrp_version": "0.1",
      "scope": {
        "description": "The record is the bounded 1896 experimental note. The later term radioactivity, quantitative theory, isolation of radioactive elements and nuclear interpretation belong to subsequent work.",
        "domain": "Nuclear physics"
      },
      "sources": [
        {
          "citation": "Becquerel, On the invisible radiation emitted by phosphorescent bodies",
          "url": "https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf"
        }
      ],
      "statement": "# Becquerel: penetrating radiation from uranium compounds\n\nReported photographic evidence that uranium-bearing material emitted invisible radiation capable of passing through opaque coverings without ordinary optical exposure.\n\n## Scientific scope\n\nThe record is the bounded 1896 experimental note. The later term radioactivity, quantitative theory, isolation of radioactive elements and nuclear interpretation belong to subsequent work.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nHenri Becquerel\n\nThe named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.\n\n\n\n## Original sources\n\n- [Becquerel, On the invisible radiation emitted by phosphorescent bodies](https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf)\n",
      "summary": "Reported photographic evidence that uranium-bearing material emitted invisible radiation capable of passing through opaque coverings without ordinary optical exposure.",
      "title": "Becquerel: penetrating radiation from uranium compounds"
    },
    "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
    "version": 1,
    "source_ref": {
      "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
      "version": 1,
      "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
    },
    "export_view": "wrs-public-editorial-view-1",
    "public_view_hash": "sha256:0f7f50b42a613a8b3ab2af9cb07e47aeb6bead1bd9125d1e0ea10a157ba75697"
  },
  "target": {
    "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
    "version": 1,
    "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
  },
  "published_grade": {
    "profile": "wrs-published-grade-1",
    "edition": "2026-10-28.1",
    "id": "becquerel-radioactivity-1896",
    "entry_id": "becquerel-radioactivity-1896",
    "revision": 1,
    "title": "Becquerel: penetrating radiation from uranium compounds",
    "context": "Nuclear physics precursors",
    "track": "Experimental discovery",
    "band": "A",
    "modifier": "+",
    "status": "PROVISIONAL_EDITORIAL",
    "assessed_on": "2026-09-25",
    "evidence_cutoff": "2026-09-25",
    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Uranium-associated penetrating emission became a distinct experimental phenomenon.",
    "scope": "1896 four-page experimental note; later terminology, radium isolation, quantitative radioactivity and nuclear interpretation excluded.",
    "evidence_summary": "The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the bounded 1896 experimental note. The later term radioactivity, quantitative theory, isolation of radioactive elements and nuclear interpretation belong to subsequent work.",
    "references": [
      {
        "title": "Becquerel, On the invisible radiation emitted by phosphorescent bodies",
        "url": "https://www.academie-sciences.fr/pdf/dossiers/Becquerel/Becquerel_pdf/CR1896_p501.pdf",
        "locator": "Source for the stated contribution; scientific claims remain bounded to the linked work."
      }
    ],
    "roles": [
      {
        "who": "Henri Becquerel",
        "credit": "SCIENCE",
        "did": "Named source author of the scoped work; individual effort shares are not measured."
      }
    ],
    "target": {
      "record_id": "urn:uuid:19a2bff8-fe96-4d5d-a5fb-f49729f367a4",
      "version": 1,
      "content_hash": "sha256:fb7b4316f5062a7a9b4aec3656be91ba4aa926a159572c1aecdc309e970ba4c0"
    },
    "scientific_correctness_certified": false,
    "independent_expert_calibration": false,
    "method": "PROPRIETARY",
    "points": "220000"
  },
  "canonical_agent_submission": false,
  "scientific_verification_awarded": false,
  "reader_guide": null,
  "reading_status": "SOURCE_LINKED_NOTE"
}