Evidence row 1507414

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.vokko.eu/api/v1/hosts/:domain/pay-preflight"
    ]
  ],
  "name": "Vokko",
  "owner_address": "0x07066ea0e66cf277cd279ed7fbca220ecb41e5a4",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x07066Ea0e66CF277cd279eD7fBCA220ecB41E5a4",
        "scheme": "exact"
      }
    ],
    "description": "Can an agent pay at mercadolibre.com.ar? Rails, endpoint, price, freshness. $0.001. Cached report stays free at /api/v1/hosts/mercadolibre.com.ar.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "domain": "mercadolibre.com.ar"
            },
            "queryParams": {
              "intent": "any"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "acceptsAgentPayments": "unknown",
              "domain": "allbirds.com",
              "intent": "any"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/hosts/:domain/pay-preflight",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "domain": {
                      "description": "Host to check",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-14T05:20:27.144Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-14T05:20:26.672Z"
    },
    "resource": "https://www.vokko.eu/api/v1/hosts/:domain/pay-preflight",
    "serviceName": "Vokko",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Can an agent pay at mercadolibre.com.ar? Rails, endpoint, price, freshness. $0.001. Cached report stays free at /api/v1/hosts/mercadolibre.com.ar."
}

What the leaf hashes

{"body":"66a10411597adf891f406aa37e7403d3608de7296a3953489efced144d58b499","id":1507414,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472689643692,"prev":124746,"subject":"x402_bazaar:https://www.vokko.eu/api/v1/hosts/:domain/pay-preflight","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x51125e1f43a1be6e5d67a7aa26698d9bf0b74627503cee7639afec5dace34db0
2. 0x8e13a6e812d385c9dc083073ee7692f406491feedff190deb28441e25c62b93e
3. 0xe70be084778ac5b1f1575b262d0b30020c206a564d112814ece3f7d2f89d249a
4. 0xf213ddd04004a66bc075b199844f36a9b527f80bfd1449aa8079fa4f1878b5a4
5. 0x7cc56832812edf17cd85c09fb3c30114866277ef8b09d848235b0179fab69a28
6. 0x3e2015f341d00080ce7a264ae3d2a619f64c808442deb00a60e0fe2baf93d0e2
7. 0x0cb5ca333be9778fe591a1867201b3f48ffc6c0c377029ae31c6297336fd984a
8. 0xe9f2313bacd19e151025a836fb6b657f3defadc1b2185ebd1d9e20071fbb0d69
9. 0x58a034799fa66f1bba289fa3d5ccc7a0d09ae32a7a5717e64cbbd3914acc4b79
10. 0xf9584df64cab968516065c3a25c7d6b904d1c97a13b247341a024ea20661f1b7
11. 0x15bb3ccc071c41bf0972508ed17a843dea1f2e2e7df669034ee2ee50ba2bebef
12. 0x72c0304f4e75bab825e479b278b1c4a09a3721562f6c78dfa1b2f38b0a3d31bb
13. 0xf3220baf23862f460ba1258a3c10efea5d98488928e1c5c78f65caedb16272da
14. 0xa61ca0b664c5ff2f545d3f92e3125f2b38c2b4e58fd9a71badfd8a85dda4c936
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0