Evidence row 1792348

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-services.soldano.workers.dev/mcp"
    ]
  ],
  "name": "x402-services.soldano.workers.dev/mcp",
  "owner_address": "0xbc005b343d98c458f457d21d99969cd267370b26",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xbC005B343D98c458F457d21d99969cd267370B26",
        "scheme": "exact"
      }
    ],
    "description": "Seller-side check that an Allowance vault receipt on NEAR paid a given account at least a given amount, bound to the seller request hash, at final finality. Returns valid or the reason (not paid yet, wrong payee, amount, asset or request, unknown receipt, not a vault) and the vault code hash read at the same block.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "Seller-side check that an Allowance vault receipt on NEAR paid a given account at least a given amount, bound to the seller request hash, at final finality. Returns valid or the reason (not paid yet, wrong payee, amount, asset or request, unknown receipt, not a vault) and the vault code hash read at the same block.",
            "example": {
              "minAmount": "20000000000000000000000",
              "payee": "api.example.near",
              "receiptId": 3,
              "requestHash": "n4bQgYhMfWWaL+qgxVrQFaO/TxsrC4Is0V1sFbDwCgg=",
              "vault": "vault.alice.near"
            },
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "asset": {
                  "anyOf": [
                    {
                      "const": "near",
                      "type": "string"
                    },
                    {
                      "properties": {
                        "ft": {
                          "description": "NEAR account id, e.g. alice.near or a 64-hex implicit account",
                          "maxLength": 64,
                          "minLength": 2,
                          "pattern": "^(([a-z\\d]+[-_])*[a-z\\d]+\\.)*([a-z\\d]+[-_])*[a-z\\d]+$",
                          "type": "string"
                        }
                      },
                      "required": [
                        "ft"
                      ],
                      "type": "object"
                    }
                  ],
                  "description": "\"near\" (default) or {\"ft\": \"<NEP-141 token contract>\"}"
                },
                "minAmount": {
                  "description": "minimum amount in base units: yoctoNEAR, or the token smallest unit when asset is an ft",
                  "pattern": "^\\d{1,40}$",
                  "type": "string"
                },
                "network": {
                  "description": "NEAR network; default: testnet for *.testnet accounts, mainnet otherwise",
                  "enum": [
                    "mainnet",
                    "testnet"
                  ],
                  "type": "string"
                },
                "nonce": {
                  "description": "alternative to requestHash: the nonce the seller issued; the hash is computed server-side",
                  "maxLength": 256,
                  "type": "string"
                },
                "payee": {
                  "description": "the account that must have been paid (usually the seller itself)",
                  "maxLength": 64,
                  "minLength": 2,
                  "pattern": "^(([a-z\\d]+[-_])*[a-z\\d]+\\.)*([a-z\\d]+[-_])*[a-z\\d]+$",
                  "type": "string"
                },
                "receiptId": {
                  "description": "receipt id returned by the vault pay call",
                  "maximum": 9007199254740991,
                  "minimum": 0,
                  "type": "integer"
                },
                "requestHash": {
                  "description": "base64(sha256(utf8(nonce))): the 32-byte request hash the receipt must carry",
                  "type": "string"
                },
                "vault": {
                  "description": "Allowance vault account that issued the receipt",
                  "maxLength": 64,
                  "minLength": 2,
                  "pattern": "^(([a-z\\d]+[-_])*[a-z\\d]+\\.)*([a-z\\d]+[-_])*[a-z\\d]+$",
                  "type": "string"
                }
              },
              "required": [
                "vault",
                "receiptId",
                "payee",
                "minAmount"
              ],
              "type": "object"
            },
            "toolName": "verify_allowance_receipt",
            "transport": "streamable-http",
            "type": "mcp"
          },
          "output": {
            "example": {
              "block": {
                "hash": "7xX...",
                "height": 160000000
              },
              "checkedAt": "2026-10-31T18:00:00.000Z",
              "detail": "receipt #3 on vault.alice.near pays api.example.near at least 20000000000000000000000",
              "paid": true,
              "reason": null,
              "receipt": null,
              "valid": true,
              "vault": {
                "account": "vault.alice.near",
                "codeHash": "HUoGyXRv...",
                "mutableCode": false,
                "trustedCode": null
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T20:27:43.591Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T20:27:42.519Z"
    },
    "resource": "https://x402-services.soldano.workers.dev/mcp#verify_allowance_receipt",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Seller-side check that an Allowance vault receipt on NEAR paid a given account at least a given amount, bound to the seller request hash, at final finality. Returns valid or the reason (not paid yet, wrong payee, amount, asset or request, unknown receipt, not a vault) and the vault code hash read at the same block."
}

What the leaf hashes

{"body":"b1efdbc32623116daf372abeb29bb7632814fd591be8de9ab5c4185d7dfa1a01","id":1792348,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560020257689,"prev":null,"subject":"x402_bazaar:https://x402-services.soldano.workers.dev/mcp#verify_allowance_receipt","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xff29aaa9504feda3c61deb7570b04f76be8819bcf1ee5526b1c84d519af97589
2. 0x91827850eae47d02253ad083a954604be59ca71956f95394217d3e7e73f848a6
3. 0x03d6d2931013afbdfef146ff2dcd695b355f0116f515c45d9f3736063837adbb
4. 0x3c190aaa722107718baae43944c959c5aa3f8835cc582be4d7e1a9c01da0de88
5. 0x6da59e4dec9f88abdf91922f6516718d02ec8eb484d7893ffec9621d6bcfccae
6. 0xeb0d86c30aaccbf6e4913ee7e9c6c1c0ee4aec35e4cbcf33d10d35e36543d115
7. 0xf550971f179049871f4c70f70c4de11629923ca6ad93cc420c113ab1ee440784
8. 0xed48b428df1b3f0edda7d5066fcade1f3d5014397dcea03006298653e40539aa
9. 0x373a51221fdee1ee7125f6e709f359df5b89389782340df63911c4b1841bde2c
10. 0xf73c3c50d08a9954174a128330a033e4b655b169b9fe5d21601f2c72f32329ae
11. 0xe1098daec235ac772ae70c56718c104f2ae277bcc659f2c52b39f355d637e7b0
12. 0x5ea8b4d83ef28102f02b54ad85e67b69963554a516f9dd3afa7c58d25ae8c487
13. 0x904a0ef836cb4b2dd139024d3379cfab31fd3b5798d155735069733eb5c3551b
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90