{
  "schema_version": "1.0",
  "canonical_url": "https://transduction.systems/entries/organisation_principia_cybernetica_project/",
  "release": "0.41",
  "citation": "Taylor, B. P. (2026). Principia Cybernetica Project. The Necessary Tangle, release 0.41. https://transduction.systems/entries/organisation_principia_cybernetica_project/",
  "licence": "CC BY-SA 4.0 for original atlas text and data; linked works retain their own terms",
  "entry": {
    "id": "organisation_principia_cybernetica_project",
    "label": "Principia Cybernetica Project",
    "entity_type": "organisation",
    "description": "The project history attributes the early project to Turchin and Joslyn and reports Heylighen joining the editorial board in 1990. Its overview describes a board, contributors, publications, meetings, and electronic lists. These are dated project self-reports.",
    "aliases": [],
    "boundary_ring": "0",
    "inclusion_reason": "principia_first_pass",
    "status": "accepted",
    "source_ids": [
      "src_principia_intro",
      "src_principia_manifesto",
      "src_principia_mstt",
      "src_principia_project_history",
      "src_principia_nutshell",
      "src_u38_principia_coll"
    ],
    "set_tags": [
      "principia_cybernetica",
      "release_0_7"
    ],
    "espoused_labels": [],
    "observed_clusters": [],
    "canonical_definition": "A collaborative project seeking to develop a cybernetic and evolutionary philosophy with computer support.",
    "valid_from": "",
    "valid_to": "",
    "external_ids": "{}",
    "geographies": [],
    "licence": "",
    "review_status": "research_pass_needs_editor",
    "reviewed_by": "",
    "reviewed_at": "",
    "x": 0.010000000000000009,
    "y": 0.265,
    "canonical_id": "organisation_principia_cybernetica_project",
    "public_visibility": "public",
    "publication_level": "profile",
    "public_stub_text": "",
    "public_source_count": 6,
    "no_public_link_count": 0,
    "connection_pass": "principia_20261106"
  },
  "profile": {
    "node_id": "organisation_principia_cybernetica_project",
    "title": "Principia Cybernetica Project",
    "summary": "The project history attributes the early project to Turchin and Joslyn and reports Heylighen joining the editorial board in 1990. Its overview describes a board, contributors, publications, meetings, and electronic lists. These are dated project self-reports.",
    "canonical_definition": "A collaborative project seeking to develop a cybernetic and evolutionary philosophy with computer support.",
    "why_it_matters": "The project is an organisation and philosophical undertaking; its web is a medium and corpus, not the whole undertaking.",
    "context_and_lineage": "Source exposition located at History: Origin of the Project; Overview: Practical organization; Collaborators Needed: opening paragraphs.",
    "editorial_note": "Source-located research exposition; comparison is editorial, not a claim of influence. Earlier review remains preserved separately.",
    "reviewed_by": "",
    "reviewed_at": "",
    "key_distinctions": [
      "The project is an organisation and philosophical undertaking; its web is a medium and corpus, not the whole undertaking."
    ],
    "historical_lineage": [],
    "logical_antecedents": [],
    "dependent_subsequents": [],
    "practice_connections": [],
    "espoused_lineages": [],
    "observed_clusters": [],
    "common_misreadings": [],
    "open_checks": [
      "Human editorial acceptance remains pending."
    ],
    "source_ids": [
      "src_principia_project_history",
      "src_principia_nutshell",
      "src_u38_principia_coll"
    ],
    "evidence_ids": [
      "ev_u38_pcp_history",
      "ev_u38_pcp_nutshell",
      "ev_u38_pcp_coll"
    ],
    "connection_pass": "principia_20261106",
    "profile_status": "evidence_deepened_research_pass",
    "last_researched": "2026-11-06",
    "review_status": "research_pass_needs_editor"
  },
  "connections": [
    {
      "id": "e_07_principia_03",
      "source": "organisation_principia_cybernetica_project",
      "target": "concept_metasystem_transition",
      "relation_type": "developed_or_extended",
      "relation_family": "influence",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_mstt",
        "src_principia_manifesto"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "The project developed and published metasystem-transition theory.",
      "plain_phrase": "developed or extended",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_08",
      "source": "person_cliff_joslyn",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "developed_or_extended",
      "relation_family": "influence",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_manifesto",
        "src_principia_mstt"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "Joslyn was a project contributor and co-developer.",
      "plain_phrase": "developed or extended",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_09",
      "source": "person_francis_heylighen",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "developed_or_extended",
      "relation_family": "influence",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_intro",
        "src_principia_manifesto"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "Heylighen was a project contributor and co-developer.",
      "plain_phrase": "developed or extended",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_10",
      "source": "person_valentin_turchin",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "developed_or_extended",
      "relation_family": "influence",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_manifesto",
        "src_principia_mstt"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "Turchin was a project contributor and supplied a central theoretical strand.",
      "plain_phrase": "developed or extended",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_11",
      "source": "organisation_principia_cybernetica_project",
      "target": "publication_principia_cybernetica_web",
      "relation_type": "developed_or_extended",
      "relation_family": "influence",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_intro",
        "src_principia_server"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "The project developed Principia Cybernetica Web.",
      "plain_phrase": "developed or extended",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_12",
      "source": "organisation_principia_cybernetica_project",
      "target": "tradition_evolutionary_cybernetics",
      "relation_type": "self_identifies_with",
      "relation_family": "identity",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_intro",
        "src_principia_manifesto"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "The project explicitly presents its programme as evolutionary cybernetics.",
      "plain_phrase": "self identifies with",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_member_01",
      "source": "person_cliff_joslyn",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "member_of",
      "relation_family": "classification",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_manifesto",
        "src_principia_intro"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "Project membership is recorded separately from substantive clustering relations.",
      "plain_phrase": "was a member of",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_member_02",
      "source": "person_francis_heylighen",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "member_of",
      "relation_family": "classification",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_manifesto",
        "src_principia_intro"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "Project membership is recorded separately from substantive clustering relations.",
      "plain_phrase": "was a member of",
      "public_review_label": "supported"
    },
    {
      "id": "e_07_principia_member_03",
      "source": "person_valentin_turchin",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "member_of",
      "relation_family": "classification",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.90",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_manifesto",
        "src_principia_intro"
      ],
      "evidence_ids": [],
      "source_locator": "Principia Cybernetica first-pass public source set",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "First-pass project-authored sources; broader historical corroboration remains open.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of named primary project pages",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "Project membership is recorded separately from substantive clustering relations.",
      "plain_phrase": "was a member of",
      "public_review_label": "supported"
    },
    {
      "id": "e_principia_03",
      "source": "tradition_evolutionary_cybernetics",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "espouses_epistemology",
      "relation_family": "identity",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.9",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_introduction"
      ],
      "evidence_ids": [],
      "source_locator": "",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "The project calls its specific approach evolutionary cybernetics.",
      "assertion_mode": "asserted",
      "inference_method": "",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "The project calls its specific approach evolutionary cybernetics. Candidate relation retained after endpoint and source validation.",
      "plain_phrase": "is espoused by",
      "public_review_label": "accepted in bibliographic first pass"
    },
    {
      "id": "e_principia_05",
      "source": "approach_family_metasystem_transition_theory",
      "target": "organisation_principia_cybernetica_project",
      "relation_type": "part_of",
      "relation_family": "classification",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.9",
      "claim_status": "accepted",
      "source_ids": [
        "src_principia_mstt"
      ],
      "evidence_ids": [],
      "source_locator": "",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "The official project page presents MSTT as a Principia Cybernetica programme.",
      "assertion_mode": "asserted",
      "inference_method": "",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-10",
      "notes": "The official project page presents MSTT as a Principia Cybernetica programme. Candidate relation retained after endpoint and source validation.",
      "plain_phrase": "was developed within",
      "public_review_label": "accepted in bibliographic first pass"
    }
  ],
  "claims": [],
  "sources": [
    {
      "id": "src_principia_intro",
      "title": "Introduction to Principia Cybernetica",
      "source_type": "primary_webpage",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/INTRO.html",
      "date": "Jan 9, 2003",
      "notes": "Primary page read on 6 November 2026. Dated self-report; present-day functionality not tested.",
      "creators": [
        "Heylighen",
        "Joslyn",
        "Turchin"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Opening paragraphs; footer",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated self-report; present-day functionality not tested."
    },
    {
      "id": "src_principia_manifesto",
      "title": "The Cybernetic Manifesto",
      "source_type": "primary_project_page",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/MANIFESTO.html",
      "date": "Oct 1989",
      "notes": "Substantive sections 1–21; no explicit empty or incomplete label observed Dated project-authored account; substantive text does not establish completeness.",
      "creators": [
        "V. Turchin",
        "C. Joslyn"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Main text and displayed footer metadata",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated project-authored account; substantive text does not establish completeness."
    },
    {
      "id": "src_principia_mstt",
      "title": "Metasystem Transition Theory",
      "source_type": "primary_project_page",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/MSTT.html",
      "date": "Jul 7, 1997 (modified)",
      "notes": "Substantive overview and background; no explicit empty or incomplete label observed Dated project-authored account; substantive text does not establish completeness.",
      "creators": [
        "C. Joslyn",
        "F. Heylighen",
        "V. Turchin"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Main text and displayed footer metadata",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated project-authored account; substantive text does not establish completeness."
    },
    {
      "id": "src_principia_project_history",
      "title": "History of the Principia Cybernetica Project",
      "source_type": "primary_webpage",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/HISTORY.html",
      "date": "Jun 19, 1998",
      "notes": "Primary page read on 6 November 2026. Dated self-report; present-day functionality not tested.",
      "creators": [
        "Heylighen",
        "Joslyn",
        "Turchin"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Origin of the Project; (Electronic) Publications; footer",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated self-report; present-day functionality not tested."
    },
    {
      "id": "src_principia_nutshell",
      "title": "Overview of Principia Cybernetica",
      "source_type": "primary_webpage",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/NUTSHELL.html",
      "date": "Jan 16, 2001",
      "notes": "Primary page read on 6 November 2026. Dated self-report; present-day functionality not tested.",
      "creators": [
        "F. Heylighen",
        "C. Joslyn",
        "V. Turchin"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Tools; Structure; Practical organization; footer",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated self-report; present-day functionality not tested."
    },
    {
      "id": "src_u38_principia_coll",
      "title": "Collaborators Needed",
      "source_type": "primary_webpage",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/COLL.html",
      "date": "Jan 19, 1998",
      "notes": "Primary page read on 6 November 2026. Dated self-report; present-day functionality not tested.",
      "creators": [
        "F. Heylighen",
        "C. Joslyn"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source terms unless otherwise stated",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Opening paragraphs; footer",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated self-report; present-day functionality not tested."
    },
    {
      "id": "src_principia_server",
      "title": "About the Principia Cybernetica Server",
      "source_type": "primary_webpage",
      "quality_tier": "A",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/SERVER.html",
      "date": "Mar 15, 2002",
      "notes": "Primary page read on 6 November 2026. Dated self-report; present-day functionality not tested.",
      "creators": [
        "F. Heylighen"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "Principia Cybernetica",
      "licence": "source_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "research_pass_needs_editor",
      "last_checked": "2026-11-06",
      "public_link_status": "public_link",
      "connection_pass": "principia_20261106",
      "source_locator": "Opening paragraphs; footer",
      "reviewed_by": "",
      "reviewed_at": "",
      "access_note": "Dated self-report; present-day functionality not tested."
    },
    {
      "id": "src_principia_introduction",
      "title": "Introduction to Principia Cybernetica",
      "source_type": "official_project_statement",
      "quality_tier": "B",
      "access": "public",
      "url": "https://pespmc1.vub.ac.be/INTRO.html",
      "date": "1993–2003",
      "notes": "Official account of the project, its evolutionary-cybernetics programme, metasystem-transition language, semantic-network ambitions and dates.",
      "creators": [
        "Francis Heylighen",
        "Cliff Joslyn",
        "Valentin Turchin"
      ],
      "publisher": "Principia Cybernetica Project",
      "licence": "source_terms",
      "review_status": "checked_primary_register",
      "last_checked": "2026-08-09",
      "public_link_status": "public_link",
      "doi": "",
      "isbn": "",
      "archived_url": "",
      "content_hash": ""
    }
  ],
  "evidence_locators": [
    {
      "id": "ev_u38_pcp_history",
      "source_id": "src_principia_project_history",
      "locator": "Origin of the Project; (Electronic) Publications; footer",
      "review_status": "research_pass_needs_editor"
    },
    {
      "id": "ev_u38_pcp_nutshell",
      "source_id": "src_principia_nutshell",
      "locator": "Tools; Structure; Practical organization; footer",
      "review_status": "research_pass_needs_editor"
    },
    {
      "id": "ev_u38_pcp_coll",
      "source_id": "src_u38_principia_coll",
      "locator": "Opening paragraphs; footer",
      "review_status": "research_pass_needs_editor"
    }
  ],
  "reuse_note": "Preserve source attribution, scope, and review status. Source documents and evidence excerpts are excluded."
}
