{
  "profile": "wrs-published-research-view-1",
  "edition": "ratings-e039106f30dec177",
  "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS",
  "entry": {
    "id": "al-khwarizmi-algebra",
    "title": "Al-Khwarizmi: systematic methods for algebraic equations",
    "summary": "Presented systematic procedures for solving linear and quadratic equations by completion and balancing.",
    "boundary": "Approximately 830 follows the Library of Congress collection description. The linked edition is a later transmission; earlier algebraic traditions are not erased.",
    "area": "Mathematics & logic",
    "topic": "Mathematics & logic",
    "year": 830,
    "date_label": "c. 830",
    "lane": "HUMAN",
    "result": "THEORY",
    "package_id": "al-khwarizmi-algebra",
    "target": {
      "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
      "version": 1,
      "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
    },
    "humans": [
      "Muhammad ibn Musa al-Khwarizmi"
    ],
    "authors_complete": false,
    "human_role_note": "Named historical contributors; the team or precursor coverage is incomplete.",
    "agents": [],
    "related": [],
    "subresults": [],
    "scientific_assessment": {
      "source_review": "SOURCE_CURATED",
      "scientific_review": "NOT_REVIEWED_BY_WRS",
      "formal_replay": "NOT_RUN",
      "provider_attestation": "NONE"
    },
    "sources": [
      {
        "id": "rc3-archive-al-khwarizmi-algebra",
        "title": "Al-Khwarizmi: systematic methods for algebraic equations — institutional collection or historical source",
        "url": "https://www.loc.gov/item/2021666184/"
      }
    ],
    "geography": {
      "country_codes": [
        "IQ"
      ],
      "location_basis": "The collection description locates the scholar and the approximately 830 algebra treatise in Abbasid Baghdad, present-day Iraq; birthplace is not used.",
      "source_url": "https://www.loc.gov/item/2021666184/",
      "target": {
        "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
        "version": 1,
        "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
      },
      "basis": "RESEARCH_LOCATION_OR_PAPER_AFFILIATION",
      "reviewed_on": "2026-09-12",
      "nationality_inferred": false,
      "coverage_status": "COMPLETE",
      "country_labels": {
        "IQ": "Iraq"
      }
    },
    "points": "300000",
    "published_grade": {
      "id": "al-khwarizmi-algebra",
      "entry_id": "al-khwarizmi-algebra",
      "band": "S",
      "modifier": null,
      "target": {
        "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
        "version": 1,
        "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
      },
      "what_changed": "Presented systematic procedures for solving linear and quadratic equations by completion and balancing.",
      "scope": "The systematic equation-solving treatment in Al-Khwarizmi's algebra text.",
      "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:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
        "version": 1,
        "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
      },
      "edition": "ratings-e039106f30dec177"
    }
  },
  "version": {
    "kind": "PUBLIC_RECORD_VIEW",
    "previous": null,
    "published_at": "2026-09-12T00:00:00Z",
    "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": "Muhammad ibn Musa al-Khwarizmi",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "formulator"
          ],
          "source": {
            "citation": "Al-Khwarizmi: systematic methods for algebraic equations — institutional collection or historical source",
            "url": "https://www.loc.gov/item/2021666184/"
          }
        }
      ],
      "evidence": [
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-0",
          "kind": "source_reference",
          "source": {
            "citation": "Al-Khwarizmi: systematic methods for algebraic equations — institutional collection or historical source",
            "url": "https://www.loc.gov/item/2021666184/"
          }
        }
      ],
      "origin": "HUMAN_LEGACY",
      "record_profile": "wrs-local-research-notes-0.1",
      "record_type": "research_note",
      "rrp_version": "0.1",
      "scope": {
        "description": "Approximately 830 follows the Library of Congress collection description. The linked edition is a later transmission; earlier algebraic traditions are not erased.",
        "domain": "Mathematics & logic"
      },
      "sources": [
        {
          "citation": "Al-Khwarizmi: systematic methods for algebraic equations — institutional collection or historical source",
          "url": "https://www.loc.gov/item/2021666184/"
        }
      ],
      "statement": "# Al-Khwarizmi: systematic methods for algebraic equations\n\nPresented systematic procedures for solving linear and quadratic equations by completion and balancing.\n\n## Scientific scope\n\nApproximately 830 follows the Library of Congress collection description. The linked edition is a later transmission; earlier algebraic traditions are not erased.\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\nMuhammad ibn Musa al-Khwarizmi\n\nNamed historical contributors; the team or precursor coverage is incomplete.\n\n\n\n## Original sources\n\n- [Al-Khwarizmi: systematic methods for algebraic equations — institutional collection or historical source](https://www.loc.gov/item/2021666184/)\n",
      "summary": "Presented systematic procedures for solving linear and quadratic equations by completion and balancing.",
      "title": "Al-Khwarizmi: systematic methods for algebraic equations"
    },
    "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
    "version": 1,
    "source_ref": {
      "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
      "version": 1,
      "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
    },
    "export_view": "wrs-public-editorial-view-1",
    "public_view_hash": "sha256:18f9508ac4489bbd2d9982169e8d1638dbd11b80ca172f5afa3b724b8d40dd44"
  },
  "target": {
    "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
    "version": 1,
    "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
  },
  "published_grade": {
    "profile": "wrs-published-grade-1",
    "edition": "2026-10-28.1",
    "id": "al-khwarizmi-algebra",
    "entry_id": "al-khwarizmi-algebra",
    "revision": 1,
    "title": "Al-Khwarizmi: systematic methods for algebraic equations",
    "context": "Mathematics & logic",
    "track": "Scoped historical scientific contribution",
    "band": "S",
    "modifier": null,
    "status": "PROVISIONAL_EDITORIAL",
    "assessed_on": "2026-09-14",
    "evidence_cutoff": "2026-09-14",
    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Presented systematic procedures for solving linear and quadratic equations by completion and balancing.",
    "scope": "The systematic equation-solving treatment in Al-Khwarizmi's algebra text.",
    "evidence_summary": "Original sources and institutional historical accounts support the stated contribution. The reading boundary is recorded at each source; this assessment is not an independent scientific verification.",
    "references": [
      {
        "title": "Al-Khwarizmi: systematic methods for algebraic equations — institutional collection or historical source",
        "url": "https://www.loc.gov/item/2021666184/",
        "locator": "Retained catalogue source review: Bibliographic identity and scoped source account; not a full proof audit, experiment replay or clinical validation."
      }
    ],
    "roles": [
      {
        "who": "Muhammad ibn Musa al-Khwarizmi",
        "credit": "SCIENCE",
        "did": "Named source contributor to this scoped work; individual labor shares are not measured."
      }
    ],
    "target": {
      "record_id": "urn:uuid:4634aa0c-c14a-465c-ad5e-f1f4e3ef22b0",
      "version": 1,
      "content_hash": "sha256:2f5485d6ace465d773dc490a9924a555ece3809756cd2d1799750846f278ccd2"
    },
    "scientific_correctness_certified": false,
    "independent_expert_calibration": false,
    "method": "PROPRIETARY",
    "points": "300000"
  },
  "canonical_agent_submission": false,
  "scientific_verification_awarded": false,
  "reader_guide": null,
  "reading_status": "SOURCE_LINKED_NOTE"
}