Evidence row 18308

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentshield.live/fx"
    ]
  ],
  "name": "agentshield.live/fx",
  "owner_address": "0xc87e9a5f237eada767e57eee8fae67ab565225ae",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xC87e9a5F237eADA767E57eee8fae67aB565225AE",
        "scheme": "exact"
      }
    ],
    "description": "Call when an agent needs a daily reference exchange rate for a currency pair on a date. Not a live trading price.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "date": "2026-10-21",
              "from": "EUR",
              "to": "USD"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "date": "2026-10-21",
              "from": "EUR",
              "known": true,
              "rate": 1.08,
              "source": "ECB",
              "to": "USD"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "date": {
                      "description": "YYYY-MM-DD. Optional. Latest ECB day if omitted.",
                      "type": "string"
                    },
                    "from": {
                      "description": "Three-letter currency code. Defaults to EUR.",
                      "type": "string"
                    },
                    "to": {
                      "description": "Three-letter currency code. Defaults to USD.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "to"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-26T06:41:03.811Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T06:41:03.374Z"
    },
    "resource": "https://agentshield.live/fx",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Call when an agent needs a daily reference exchange rate for a currency pair on a date. Not a live trading price."
}

What the leaf hashes

{"body":"c1997ee208538640e6b488e1b1fa69a2f229bd0b1568966514c8a566de9d5420","id":18308,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025328825145,"prev":null,"subject":"x402_bazaar:https://agentshield.live/fx","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. 0x3f4b19a4c83166a094e67a19408feee8f60b706ba81d128f23567b509d13324a
2. 0x83f320b191869ff3021065093cc9c4293a4a1ae8b23ee21e44c42e8fa561d48c
3. 0xfca6c883ff9d44706665290cab279221476bbb09c879015c00e8959ebdf78f24
4. 0x9bb7cd0aacfa26ff8f7f1d19d0a6c0c6101783685444584f8bc9a0f724e8379b
5. 0xbf508c77982b7d35fadf605b691763447d0aed3cf81f841e1d2b74448e3d6f48
6. 0xacc8696812c9b269056a97bb62e1800682c02103ad25cafaa04a3b4038a85d14
7. 0x3e617c5956f23b4f1d7eea5f05522968ef68171497360a0616db63c3a352a9b4
8. 0x8cc5d7a892ffc04a2e4749d9d05e483a430ab6af2d443aed753df6a699dbb4e5
9. 0xd866fd95330fa621dcfeca4e57f3011729f1ec9a06acc20079606fdea27920cf
10. 0xa206678127697e0573e1c3c370e3f5c8dab5505cb986a0c1e8e08b3b19f3ab20
11. 0xa4d1745f134661a77f8f2bfd58422252c41790ede9f0de54979c915510f5d550
12. 0x1afc0318a98c6dbb5a80e5cb86eba22b844e3f3b185a16f17290e29ab7410f55
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae