{
  "x402Version": 2,
  "id": 4167,
  "slug": "4167",
  "resource": "https://gblin.digital/api/x402/seal",
  "description": "AI Action Receipts: seal the HASHES of an AI action (input/output as hashes; your action label + meta are published) into GBLIN's signed append-only transparency log. Portable receipt: Ed25519 signature + RFC 6962 inclusion proof + C2SP signed checkpoint; root anchored daily on Base (EAS). Proves existence and time — not a compliance certificate. Free reads + demo: gblin-mcp.gblin-mcp-worker.workers.dev/log. Offline verifier: github.com/gblinproject/gblin-treasury-risk-regime",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x0ebA5d314F4f5Dcb7A094953Fa9311a45172dd1B",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "action": "summarise-contract",
            "input_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "checkpoint": "<C2SP signed note>",
            "format": "gblin-receipt/v1",
            "inclusion_proof": [
              "<base64 node>",
              "<base64 node>"
            ],
            "index": 42,
            "leaf": "<base64 sha256(0x00 || canonical)>",
            "payload": {
              "action": "summarise-contract",
              "index": 42,
              "input_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
              "log": "gblin.digital/receipts-log",
              "output_hash": null,
              "ts": "2026-08-30T09:00:00.000Z",
              "v": 1
            },
            "root": "<base64 Merkle root>",
            "signature": "<base64 Ed25519 over the canonical record>",
            "tree_size": 43,
            "verifier_key": "gblin.digital/receipts-log+00c6e18c+...",
            "verify": "offline: see verify-receipt.mjs in github.com/gblinproject/gblin-treasury-risk-regime (zero deps)"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "action": {
                    "description": "Short public label for what the AI did. PUBLISHED in the log: identifiers only, never secrets.",
                    "maxLength": 128,
                    "type": "string"
                  },
                  "agent_id": {
                    "description": "Your agent identifier (optional). PUBLISHED.",
                    "maxLength": 128,
                    "type": "string"
                  },
                  "input_hash": {
                    "description": "sha256 of your input, 64 hex chars (0x prefix optional)",
                    "pattern": "^(0x)?[0-9a-fA-F]{64}$",
                    "type": "string"
                  },
                  "meta": {
                    "description": "Extra JSON object as a string (optional). PUBLISHED.",
                    "maxLength": 512,
                    "type": "string"
                  },
                  "output_hash": {
                    "description": "sha256 of your output, 64 hex chars (optional)",
                    "pattern": "^((0x)?[0-9a-fA-F]{64})?$",
                    "type": "string"
                  },
                  "tool": {
                    "description": "Tool or model used (optional). PUBLISHED.",
                    "maxLength": 128,
                    "type": "string"
                  }
                },
                "required": [
                  "action",
                  "input_hash"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "gblin.digital",
  "lastUpdated": "2026-09-06T18:23:16.334Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-06T18:23:15.958Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "gblin.digital",
    "manifest_name": "gblin.digital",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}