Evidence row 117503

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://notary.forgemesh.io/api/notarize/batch"
    ]
  ],
  "name": "notary.forgemesh.io/api/notarize/batch",
  "owner_address": "0x814efe784709f5bf8df47735d87602b01030e5d2",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x814EfE784709f5bF8dF47735D87602B01030e5D2",
        "scheme": "exact"
      }
    ],
    "description": "Notarize AI output in bulk: one signed Ed25519 attestation of the model response per record for up to 20 AI inferences in a single call — same content hash, receipt token, and anchor status as single notarization, giving you a cryptographic receipt for inference across an entire audit-trail pipeline.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "records": [
                {
                  "model_id": "openai/gpt-5",
                  "prompt": "What is 2+2?",
                  "response": "4"
                },
                {
                  "model_id": "claude-fable-5",
                  "prompt": "Capital of France?",
                  "response": "Paris"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "attestations": [
                {
                  "algorithm": "ed25519",
                  "anchor": {
                    "status": "pending"
                  },
                  "attestation_id": "att_0123456789abcdef01234567",
                  "client_timestamp": "2026-07-03T12:00:00Z",
                  "content_hash": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08",
                  "model_id": "openai/gpt-5",
                  "notarized_at": "2026-07-03T12:00:01.000Z",
                  "payload_stored": false,
                  "receipt_token": "private-receipt-token",
                  "receipt_url": "https://notary.forgemesh.io/api/receipt/att_0123456789abcdef01234567",
                  "signature": "base64-ed25519-signature",
                  "signer_pubkey": "base64-ed25519-public-key"
                }
              ],
              "count": 2
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "records": {
                      "items": {
                        "properties": {
                          "client_timestamp": {
                            "description": "ISO-8601 time the inference ran (optional; included in the content hash)",
                            "type": "string"
                          },
                          "metadata": {
                            "description": "Optional caller metadata, <= 4 KB — accepted but NOT persisted or hashed (reserved for future opt-in retention)",
                            "type": "object"
                          },
                          "model_id": {
                            "description": "Model identifier, e.g. openai/gpt-5 or claude-fable-5",
                            "type": "string"
                          },
                          "prompt": {
                            "description": "Exact prompt/input sent to the model",
                            "type": "string"
                          },
                          "response": {
                            "description": "Exact model output being notarized",
                            "type": "string"
                          }
                        },
                        "required": [
                          "prompt",
                          "response",
                          "model_id"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "records"
                  ],
                  "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": {
                  "properties": {
                    "attestations": {
                      "items": {
                        "properties": {
                          "algorithm": {
                            "type": "string"
                          },
                          "anchor": {
                            "properties": {
                              "status": {
                                "type": "string"
                              }
                            },
                            "type": "object"
                          },
                          "attestation_id": {
                            "type": "string"
                          },
                          "client_timestamp": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "content_hash": {
                            "description": "sha256 hex over canonical {prompt, response, model_id, client_timestamp}",
                            "type": "string"
                          },
                          "model_id": {
                            "type": "string"
                          },
                          "notarized_at": {
                            "type": "string"
                          },
                          "payload_stored": {
                            "description": "false by default: prompt/response/metadata are not persisted",
                            "type": "boolean"
                          },
                          "receipt_token": {
                            "description": "Private receipt token; payload is not stored by default",
                            "type": "string"
                          },
                          "receipt_url": {
                            "type": "string"
                          },
                          "signature": {
                            "description": "base64 Ed25519 signature by the notary key",
                            "type": "string"
                          },
                          "signer_pubkey": {
                            "description": "base64 raw Ed25519 public key",
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "count": {
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T20:37:58.896Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T20:37:58.738Z"
    },
    "resource": "https://notary.forgemesh.io/api/notarize/batch",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Notarize AI output in bulk: one signed Ed25519 attestation of the model response per record for up to 20 AI inferences in a single call — same content hash, receipt token, and anchor status as single notarization, giving you a cryptographic receipt for inference across an entire audit-trail pipeline."
}

What the leaf hashes

{"body":"6b924cdf9a4fc0eb67efcfe30028d66f36ebe0cdcae9b095fa195d6587a92dd2","id":117503,"kind":"listing","method":"baseline/1","observed_us":1793025611290223,"prev":null,"subject":"x402_bazaar:https://notary.forgemesh.io/api/notarize/batch","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x6beb7c69af6dab9fe9214dc2b6c582249c2c53502efe94d4df47bce9edd369b6
2. 0xd04d6d46bf6abe84875506f6260b1cef7547ac5cb8de40a42965e5d2d52537ac
3. 0x3943d423da4972871e7f9a91f5bcb5122d9b4b9f699df35af7fa0d4839a15c7b
4. 0x81f0a557a31ba56b46e24bf0ed7079d7d7e6cc4a924be05717a2daef7eb4825f
5. 0x674dfc9c2c159d085db18756c44957e7289c27a051a9f5257b7edd7de3c77725
6. 0xc97be05b2e6eae498dd451d2d7a9eff8d6d02a6c02428573aabd447b57ad9849
7. 0x275036bad6f2d13c29f65229e7b415729227346588e3690d9814909dc7cc986b
8. 0x288174e53436b3cb4530a63a9b515c97f3dc33e7603a5d9f8c342fc14e6227be
9. 0x4094053e5ab988e2bf8c0a3177628d39bdc8b14096a2009d67346fc43158c4e6
10. 0x6a9d75996732347a0b42cd7298726bdcf5ff4155144ec98135ea4de4fe5b6666
11. 0xdfaea4285192101e7ab6e8e71853c71cef08df31a416be7a9f92f34cf897e13e
12. 0x2a304c51963b65e3ca818b638b2e9a98297b7d6b6a3e14ecca2501aa13b9f556
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae