Evidence row 73105

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://data.greeneris.io/v1/fx/latest"
    ]
  ],
  "name": "eu-verify",
  "owner_address": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
        "scheme": "exact"
      }
    ],
    "description": "Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "base": "EUR",
              "symbols": "USD,GBP"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base": "EUR",
              "date": "2026-07-10",
              "rates": {
                "GBP": 0.85,
                "USD": 1.09
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "base": {
                      "default": "EUR",
                      "description": "Base currency code",
                      "type": "string"
                    },
                    "symbols": {
                      "description": "Comma-separated target currencies (optional)",
                      "type": "string"
                    }
                  },
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-25T22:04:10.55Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T22:04:10.291Z"
    },
    "resource": "https://data.greeneris.io/v1/fx/latest",
    "serviceName": "eu-verify",
    "tags": [
      "fx",
      "forex",
      "rates",
      "ecb",
      "finance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache."
}

What the leaf hashes

{"body":"e2c363f76082dbb631a8e52002ecc490004d018ffb1999e62193514bd769c9bd","id":73105,"kind":"listing","method":"baseline/1","observed_us":1793025487046273,"prev":null,"subject":"x402_bazaar:https://data.greeneris.io/v1/fx/latest","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. 0xa1f8688fc100d2524e42257494110e25cfd64d707523c038af208e80a15949ab
2. 0x9d7e812d352eef4d1770027bdd4f373c7f5227ab53acadceec796bfaca50aaf0
3. 0xa86732479c6b6e22795ae58558c4f1480d1345dbbefa48dc98005f138f6cbcd0
4. 0xda9f7def016a43ad771826c65e675f1d00ffd631f1699c8915ceb75dc9a4bdb7
5. 0x7edffbcc2e38ea1efea31e0c127131aa04eb2749cf93e3ebfc3911d95172f781
6. 0x2beedb77b6444ed060cafa2f35d8a33981267927ecd1deaca1a68291ac9b7403
7. 0xb1d7930563afe5eb47dd76fabb897d3b1e2c727af3bfe6625117a081502679e3
8. 0x8adfa5fdc5337c3eab219eb50840e6cebfb892cea13f4fbd01b1dca0aa2f8a02
9. 0x33c43c2dd42247d4d2b030b625088f223c6c20020a9de52dfb3252e2a60a0a2a
10. 0xb3f8079d3f950c3f93c2829ed52d6d83dba720fdb1aef8897303edba370e9d0f
11. 0x9ca444fcd24e94bee95de2e8d69f385e59ecdaff6c1b017632bff037809c381b
12. 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae