Evidence row 4166778

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": 1,
      "l30DaysUniquePayers": 1,
      "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":"c6aa0e7cfee1a730178e305f5434c2c051bc20a5e71793aa3558466d469cbe01","id":4166778,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794170616416987,"prev":1507414,"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 2026-11-08 (183509 rows).

1. 0x9654524b9dba1ced78b57584ab7bc763f39ab05fa747c06585df4c5430030b58
2. 0x85c23450aaf94299c925b8ed051dddd7ef08a5e089da8499d9bb76d0888b3caa
3. 0x1ff84ef06495cb612b77df32a3ffd54bfbf370f48cab382d5e4e96eeff926cd7
4. 0xd4d5b842b2f1e30a0bbbd79f296b98c45c1aa1048d55bbe90e5ffd25b5150346
5. 0x1c3bf14a62cf01573935e1eeceb687676b9ac41df36bf5866a460565457f3ed7
6. 0x7bc735e6d7fb89dcc9336c90d39e828ae68e306cfbade6c7d96cb3a8d906521d
7. 0x88657b96ec796e37d6b46a67cf1cd54b755b76cf38dacd000f2e0e1ece185a3c
8. 0xf52814f9b337dbb32024957625c99d6ceb7e5dec596e7201d9178ac78ec60d0d
9. 0x1e4f1a37ac7cc2ee0b0b6d8f43899b1abcd1f41100a7c1a9aa753ee6e6872eeb
10. 0x10db5ccd3f87ba5c269402ce03ab38038d18ed474aa5ead68f0ca944b51d549f
11. 0x19677d55312cc067373c6bcddc837e24e870e5e97006e045bd13a619a4c8b04a
12. 0x8d351e340c55d2bc7641aa3bf7dc95cf244c5078ce5a442de4e02d7e17c78332
13. 0x5086605a69ebed24d40fa3cb4c2b5a78f5f87c03a444f4225652d686b552088c
14. 0x27ef23b66d3866055bfc3c502a040cc0b018a6f81d3088889dbe56101391c18f
15. 0xd940d63ce3037598bb824acb7b8507d1a292860dcd46c4107cbb045adc40cd3f
16. 0x15fcf46472196b84319db11d0928bd9a7c1bffd0bf592e61363ef0eddd378bc6
17. 0x45874ada32d7ee6c17eade12dec01ab7504d43d23be0d9dbb51e642eb39966a4
18. 0x1f0ff2af9da38fef1beef5d2dbcf41f592dca17729b7ab9b9c0b6ef354dc3b83

Day root

0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b

Chained

0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc

Published

On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022