{
 "protocol": "AIP-23",
 "kinds": [
  {
   "kind": "data",
   "statementKind": "aere-proof-of-data",
   "envelopeKind": "aere-proof-of-data-attestation",
   "fields": [
    {
     "name": "sha256",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "name",
     "type": "plain"
    }
   ],
   "required": [
    "sha256",
    "name",
    "createdAt"
   ],
   "attests": "a file or dataset had exactly this content (its SHA-256) under this name",
   "vector": "data.json"
  },
  {
   "kind": "execution",
   "statementKind": "aere-proof-of-execution",
   "envelopeKind": "aere-proof-of-execution-attestation",
   "fields": [
    {
     "name": "inputHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "outputHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "programSha256",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "program",
     "type": "plain"
    },
    {
     "name": "exitCode",
     "type": "plain"
    }
   ],
   "required": [
    "program",
    "inputHash",
    "outputHash",
    "createdAt"
   ],
   "attests": "a program ran on this input and produced this output (digests), with this exit code",
   "vector": "execution.json"
  },
  {
   "kind": "identity",
   "statementKind": "aere-proof-of-identity",
   "envelopeKind": "aere-proof-of-identity-attestation",
   "fields": [
    {
     "name": "publicKeyHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "subjectHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "method",
     "type": "plain"
    },
    {
     "name": "subjectId",
     "type": "plain"
    }
   ],
   "required": [
    "subjectId",
    "publicKeyHash",
    "createdAt"
   ],
   "attests": "a subject identifier is bound to this public key (digest), by this method",
   "vector": "identity.json"
  },
  {
   "kind": "compliance",
   "statementKind": "aere-proof-of-compliance",
   "envelopeKind": "aere-proof-of-compliance-attestation",
   "fields": [
    {
     "name": "evidenceHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "subject",
     "type": "plain"
    },
    {
     "name": "policy",
     "type": "plain"
    },
    {
     "name": "result",
     "type": "plain"
    }
   ],
   "required": [
    "subject",
    "policy",
    "result",
    "createdAt"
   ],
   "attests": "a subject was checked against a named policy with this result; the evidence is referenced by digest",
   "vector": "compliance.json"
  },
  {
   "kind": "runtime",
   "statementKind": "aere-proof-of-runtime",
   "envelopeKind": "aere-proof-of-runtime-attestation",
   "fields": [
    {
     "name": "artifactSha256",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "attestedSha256",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "host",
     "type": "plain"
    },
    {
     "name": "unit",
     "type": "plain"
    },
    {
     "name": "matches",
     "type": "plain"
    }
   ],
   "required": [
    "host",
    "artifactSha256",
    "createdAt"
   ],
   "attests": "a host runs this artifact (digest), and whether it matches the attested one",
   "vector": "runtime.json"
  },
  {
   "kind": "location",
   "statementKind": "aere-proof-of-location",
   "envelopeKind": "aere-proof-of-location-attestation",
   "fields": [
    {
     "name": "evidenceHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "subject",
     "type": "plain"
    },
    {
     "name": "region",
     "type": "plain"
    },
    {
     "name": "method",
     "type": "plain"
    }
   ],
   "required": [
    "subject",
    "region",
    "createdAt"
   ],
   "attests": "a subject is in this region, by this method; the evidence is referenced by digest",
   "vector": "location.json"
  },
  {
   "kind": "device",
   "statementKind": "aere-proof-of-device",
   "envelopeKind": "aere-proof-of-device-attestation",
   "fields": [
    {
     "name": "attestationHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "publicKeyHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "deviceId",
     "type": "plain"
    },
    {
     "name": "posture",
     "type": "plain"
    }
   ],
   "required": [
    "deviceId",
    "attestationHash",
    "createdAt"
   ],
   "attests": "a device identifier carries this attestation and key (digests) and this posture",
   "vector": "device.json"
  },
  {
   "kind": "payment",
   "statementKind": "aere-proof-of-payment",
   "envelopeKind": "aere-proof-of-payment-attestation",
   "fields": [
    {
     "name": "txHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "from",
     "type": "plain"
    },
    {
     "name": "to",
     "type": "plain"
    },
    {
     "name": "amount",
     "type": "plain"
    },
    {
     "name": "asset",
     "type": "plain"
    }
   ],
   "required": [
    "from",
    "to",
    "amount",
    "createdAt"
   ],
   "attests": "a payment of this amount and asset from one party to another, with its transaction (digest)",
   "vector": "payment.json"
  },
  {
   "kind": "ownership",
   "statementKind": "aere-proof-of-ownership",
   "envelopeKind": "aere-proof-of-ownership-attestation",
   "fields": [
    {
     "name": "assetHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "owner",
     "type": "plain"
    },
    {
     "name": "assetId",
     "type": "plain"
    }
   ],
   "required": [
    "owner",
    "assetId",
    "createdAt"
   ],
   "attests": "an owner holds this asset identifier; the asset is referenced by digest",
   "vector": "ownership.json"
  },
  {
   "kind": "time",
   "statementKind": "aere-proof-of-time",
   "envelopeKind": "aere-proof-of-time-attestation",
   "fields": [
    {
     "name": "subjectHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "source",
     "type": "plain"
    },
    {
     "name": "at",
     "type": "plain"
    }
   ],
   "required": [
    "subjectHash",
    "at",
    "createdAt"
   ],
   "attests": "a subject (digest) existed at this time, from this time source",
   "vector": "time.json"
  },
  {
   "kind": "block",
   "statementKind": "aere-proof-of-block",
   "envelopeKind": "aere-proof-of-block-attestation",
   "fields": [
    {
     "name": "stateTransitionProof",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "blockHash",
     "type": "plain"
    },
    {
     "name": "stateRoot",
     "type": "plain"
    },
    {
     "name": "anchorHeight",
     "type": "plain"
    },
    {
     "name": "certificateDigest",
     "type": "plain"
    }
   ],
   "required": [
    "blockHash",
    "stateRoot",
    "certificateDigest",
    "createdAt"
   ],
   "attests": "a block hash and state root, with the post-quantum anchor certificate digest that covers them",
   "vector": "block.json"
  },
  {
   "kind": "authorization",
   "statementKind": "aere-proof-of-authorization",
   "envelopeKind": "aere-proof-of-authorization-attestation",
   "fields": [
    {
     "name": "policyHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "grantor",
     "type": "plain"
    },
    {
     "name": "grantee",
     "type": "plain"
    },
    {
     "name": "scope",
     "type": "plain"
    },
    {
     "name": "expiresAt",
     "type": "plain"
    }
   ],
   "required": [
    "grantor",
    "grantee",
    "scope",
    "createdAt"
   ],
   "attests": "a grantor gave a grantee the right to act within a scope, under a policy (digest), until an expiry",
   "added": "2026-09-28",
   "vector": "authorization.json"
  },
  {
   "kind": "settlement",
   "statementKind": "aere-proof-of-settlement",
   "envelopeKind": "aere-proof-of-settlement-attestation",
   "fields": [
    {
     "name": "instructionHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "txHash",
     "type": "hash",
     "note": "already a 32-byte hash (0x + 64 hex); any other form is refused, not hashed"
    },
    {
     "name": "blockHash",
     "type": "hash",
     "note": "already a 32-byte hash (0x + 64 hex); any other form is refused, not hashed"
    },
    {
     "name": "chainId",
     "type": "plain"
    },
    {
     "name": "from",
     "type": "plain"
    },
    {
     "name": "to",
     "type": "plain"
    },
    {
     "name": "amount",
     "type": "plain"
    },
    {
     "name": "asset",
     "type": "plain"
    }
   ],
   "required": [
    "chainId",
    "txHash",
    "blockHash",
    "amount",
    "asset",
    "createdAt"
   ],
   "attests": "a settlement on a chain: its transaction and block (32-byte hashes carried as they are, never re-hashed), amount and asset",
   "added": "2026-09-28",
   "vector": "settlement.json"
  },
  {
   "kind": "provenance",
   "statementKind": "aere-proof-of-provenance",
   "envelopeKind": "aere-proof-of-provenance-attestation",
   "fields": [
    {
     "name": "subjectHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "processHash",
     "type": "digest",
     "note": "sha256 of the content, 0x + 64 hex"
    },
    {
     "name": "parents",
     "type": "list",
     "note": "non-empty list of digests"
    },
    {
     "name": "actor",
     "type": "plain"
    }
   ],
   "required": [
    "subjectHash",
    "parents",
    "createdAt"
   ],
   "attests": "an artifact (digest) was produced from a non-empty list of parents (digests), by a process (digest), by an actor",
   "added": "2026-09-28",
   "vector": "provenance.json"
  },
  {
   "kind": "ai",
   "statementKind": "aere-proof-of-ai",
   "envelopeKind": "aere-proof-of-ai-attestation",
   "fields": [
    {
     "name": "model",
     "type": "object {name, version|null, weightsSha256|null}"
    },
    {
     "name": "promptHash",
     "type": "digest|null"
    },
    {
     "name": "inputHash",
     "type": "digest|null"
    },
    {
     "name": "outputHash",
     "type": "digest|null"
    },
    {
     "name": "tools",
     "type": "list of tool names"
    },
    {
     "name": "agentId",
     "type": "plain|null"
    },
    {
     "name": "requesterHash",
     "type": "digest|null"
    }
   ],
   "required": [
    "model.name",
    "createdAt"
   ],
   "attests": "an AI action: which model and version, which prompt, input and output (digests), which tools, which agent, who asked",
   "vector": "ai.json"
  }
 ]
}