{
  "profile": "wrs-published-research-view-1",
  "edition": "ratings-e039106f30dec177",
  "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS",
  "entry": {
    "id": "metcalfe-boggs-ethernet",
    "title": "Metcalfe and Boggs: Ethernet for local packet switching",
    "summary": "Described a distributed packet-switching local network with shared-medium access, collision handling and an operating multi-node implementation.",
    "boundary": "This is the 1976 paper and prototype architecture, not the later IEEE standard, patents, commercialization or every contributor to Ethernet deployment.",
    "area": "Computer networking",
    "year": 1976,
    "lane": "HUMAN",
    "result": "ALGORITHM",
    "package_id": "metcalfe-boggs-ethernet",
    "target": {
      "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
      "version": 1,
      "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
    },
    "humans": [
      "Robert M. Metcalfe",
      "David R. Boggs"
    ],
    "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": "acm-metcalfe-boggs-1976",
        "title": "Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)",
        "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf"
      }
    ],
    "geography": {
      "country_codes": [
        "US"
      ],
      "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.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf",
      "target": {
        "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
        "version": 1,
        "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
      },
      "basis": "RESEARCH_LOCATION_OR_PAPER_AFFILIATION",
      "reviewed_on": "2026-09-26",
      "nationality_inferred": false,
      "sources": [
        {
          "title": "Attribution source",
          "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf"
        }
      ],
      "coverage_status": "COMPLETE",
      "country_labels": {
        "US": "United States"
      }
    },
    "points": "210000",
    "published_grade": {
      "id": "metcalfe-boggs-ethernet",
      "entry_id": "metcalfe-boggs-ethernet",
      "band": "A",
      "modifier": "+",
      "target": {
        "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
        "version": 1,
        "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
      },
      "what_changed": "Computers gained a working architecture for distributed high-speed local packet communication.",
      "scope": "The 1976 two-author paper and prototype; later IEEE standards, hardware ecosystems and deployments are separate.",
      "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:580f578e-d658-4a0a-a5b9-101bbdc08234",
        "version": 1,
        "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
      },
      "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": "Robert M. Metcalfe",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "formulator"
          ],
          "source": {
            "citation": "Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)",
            "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf"
          }
        },
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "David R. Boggs",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "formulator"
          ],
          "source": {
            "citation": "Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)",
            "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf"
          }
        }
      ],
      "evidence": [
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-0",
          "kind": "source_reference",
          "source": {
            "citation": "Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)",
            "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf"
          }
        }
      ],
      "origin": "HUMAN_LEGACY",
      "record_profile": "wrs-local-research-notes-0.1",
      "record_type": "research_note",
      "rrp_version": "0.1",
      "scope": {
        "description": "This is the 1976 paper and prototype architecture, not the later IEEE standard, patents, commercialization or every contributor to Ethernet deployment.",
        "domain": "Computer networking"
      },
      "sources": [
        {
          "citation": "Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)",
          "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf"
        }
      ],
      "statement": "# Metcalfe and Boggs: Ethernet for local packet switching\n\nDescribed a distributed packet-switching local network with shared-medium access, collision handling and an operating multi-node implementation.\n\n## Scientific scope\n\nThis is the 1976 paper and prototype architecture, not the later IEEE standard, patents, commercialization or every contributor to Ethernet deployment.\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\nRobert M. Metcalfe; David R. Boggs\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- [Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)](https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf)\n",
      "summary": "Described a distributed packet-switching local network with shared-medium access, collision handling and an operating multi-node implementation.",
      "title": "Metcalfe and Boggs: Ethernet for local packet switching"
    },
    "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
    "version": 1,
    "source_ref": {
      "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
      "version": 1,
      "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
    },
    "export_view": "wrs-public-editorial-view-1",
    "public_view_hash": "sha256:f3d9fb58ef70f73f510325313da35dc553f8c757569ea978628661b44905f3fb"
  },
  "target": {
    "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
    "version": 1,
    "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
  },
  "published_grade": {
    "profile": "wrs-published-grade-1",
    "edition": "2026-10-28.1",
    "id": "metcalfe-boggs-ethernet",
    "entry_id": "metcalfe-boggs-ethernet",
    "revision": 1,
    "title": "Metcalfe and Boggs: Ethernet for local packet switching",
    "context": "Computer networking",
    "track": "network architecture and working prototype",
    "band": "A",
    "modifier": "+",
    "status": "PROVISIONAL_EDITORIAL",
    "assessed_on": "2026-09-25",
    "evidence_cutoff": "2026-09-25",
    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Computers gained a working architecture for distributed high-speed local packet communication.",
    "scope": "The 1976 two-author paper and prototype; later IEEE standards, hardware ecosystems and deployments are separate.",
    "evidence_summary": "The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. This is the 1976 paper and prototype architecture, not the later IEEE standard, patents, commercialization or every contributor to Ethernet deployment.",
    "references": [
      {
        "title": "Metcalfe and Boggs, Ethernet: Distributed Packet Switching for Local Computer Networks (1976)",
        "url": "https://www.cl.cam.ac.uk/teaching/1920/CompNet/files/p395-metcalfe.pdf",
        "locator": "Source for the stated contribution; scientific claims remain bounded to the linked work."
      }
    ],
    "roles": [
      {
        "who": "Robert M. Metcalfe",
        "credit": "SCIENCE",
        "did": "Named source author of the scoped work; individual effort shares are not measured."
      },
      {
        "who": "David R. Boggs",
        "credit": "SCIENCE",
        "did": "Named source author of the scoped work; individual effort shares are not measured."
      }
    ],
    "target": {
      "record_id": "urn:uuid:580f578e-d658-4a0a-a5b9-101bbdc08234",
      "version": 1,
      "content_hash": "sha256:fd4cd655564a4ca036aea6a6e384535754cb1098669b71d57a9be96811667b23"
    },
    "scientific_correctness_certified": false,
    "independent_expert_calibration": false,
    "method": "PROPRIETARY",
    "points": "210000"
  },
  "canonical_agent_submission": false,
  "scientific_verification_awarded": false,
  "reader_guide": null,
  "reading_status": "SOURCE_LINKED_NOTE"
}