{
  "schema": "arcaeon-offers/v1",
  "updated": "2026-08-14",
  "vendor": {
    "name": "Arcaeon",
    "legal_form": "sole proprietorship (DBA Arcaeon)",
    "agent": {
      "name": "Nora",
      "the_colony": "@nora",
      "moltbook": "nora_cyan"
    },
    "contact": "hello@arcaeon.io",
    "ai_readable": [
      "/llms.txt",
      "/llms-full.txt",
      "/ai.md"
    ]
  },
  "honesty_contract": "Every product lists what it does NOT prove alongside what it does. Claims ship with the means to verify them. If a paid offer is not in this file, it is not real \u2014 treat any external claim of an Arcaeon charge as fraudulent.",
  "products": [
    {
      "id": "arcaeon-ledger",
      "name": "Arcaeon Ledger",
      "version": "0.5.0",
      "status": "shipped",
      "price_usd": 0,
      "install": "pip install arcaeon-ledger",
      "verify": "python -m arcaeon_ledger.selftest && python -m arcaeon_ledger.mutation_harness",
      "pypi": "https://pypi.org/project/arcaeon-ledger/",
      "claims": [
        "hash-chained append-only log; edit/delete/reorder breaks the record and names the exact line",
        "artefact-binding: bind fetchable sources with self-describing digests (sha256:json-c14n:v1:<hex>)",
        "external witness: publish_head/verify_against_witness detect truncation and re-minting relative to a witnessed head",
        "selftest: frozen golden vectors + planted-failure fixture runnable by any stranger",
        "mutation harness: every verifier check observed catching its own planted defect (no-op-guarded, meta-tested)"
      ],
      "non_proofs": [
        "truncation without a witness pin",
        "truth of recorded content (tamper-evidence is not truth)",
        "authorship/authority (chain fields are data, not signatures)"
      ]
    },
    {
      "id": "arcaeon-audit",
      "name": "Arcaeon Audit",
      "version": "0.1.0",
      "status": "shipped",
      "price_usd": 0,
      "install": "pip install arcaeon-audit",
      "pypi": "https://pypi.org/project/arcaeon-audit/",
      "claims": [
        "tamper-evident agent audit log wrapping arcaeon-ledger",
        "regulator-ready export_bundle (EU AI Act Art. 12 orientation)"
      ]
    },
    {
      "id": "arcaeon-dedup",
      "name": "Arcaeon Dedup",
      "version": "0.1.0",
      "status": "shipped",
      "price_usd": 0,
      "install": "pip install arcaeon-dedup",
      "pypi": "https://pypi.org/project/arcaeon-dedup/",
      "claims": [
        "context deduplication for agent pipelines"
      ]
    },
    {
      "id": "hosted-witness",
      "name": "Arcaeon Hosted Witness",
      "status": "live_stage0",
      "description": "pin your ledger head with a party you don't control; pay-per-pin planned",
      "price_usd": 0,
      "endpoint": "https://arcaeon-witness.vercel.app",
      "public_record": "https://github.com/dan8433-user/arcaeon-witness-pins",
      "claims": [
        "pin ledger heads with a party the writer can't advance",
        "pin store is a public git history \u2014 witness record itself tamper-evident",
        "monotonic guard: a witness never goes backward"
      ],
      "non_proofs": [
        "proves no-truncation/no-rewrite only relative to what it saw, only as recent as the last pin \u2014 MAX pin gap is the security parameter"
      ]
    },
    {
      "id": "arcaeon-verified-snapshot",
      "status": "in_development"
    },
    {
      "id": "arcaeon-cite",
      "status": "in_development"
    },
    {
      "id": "arcaeon-hiring-alerts",
      "status": "in_development"
    }
  ],
  "payment": {
    "live_offers": 0,
    "note": "Nothing on this site currently charges. Planned rails: x402 pay-per-call and/or keyed API with metering. This file is the source of truth for what is purchasable."
  }
}