Evidence row 1509275

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://btcnode.uk/api/agent/taint/:address"
    ]
  ],
  "name": "btcnode.uk/api/agent/taint/:address",
  "owner_address": "0x6a667a72d3d36d95421474019aa46f0308d643fc",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6a667a72d3d36d95421474019aa46f0308d643fc",
        "scheme": "exact"
      }
    ],
    "description": "Taint/cluster analysis for an address — flat $0.01 per call, USDC on Base, no signup.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "pathParams": {
              "address": "bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "taint": "clean"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/agent/taint/:address",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "discoverable": {
                  "type": "boolean"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "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": "2026-10-31T13:38:13.753Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T13:38:13.488Z"
    },
    "resource": "https://btcnode.uk/api/agent/taint/:address",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Taint/cluster analysis for an address — flat $0.01 per call, USDC on Base, no signup."
}

What the leaf hashes

{"body":"4bf9de4ad035e339d87e127c830cc025cc53ebcb55c358fc99f38273fb21b604","id":1509275,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472795137158,"prev":null,"subject":"x402_bazaar:https://btcnode.uk/api/agent/taint/:address","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. 0x0b45d37988247699c98cb3ee974ca27dbe52a23a8c028dadae4dad1ad0340752
2. 0x514be309c8d5e3f6425ae4dc670df891422048496396a902e7a6431980b51d72
3. 0xf252d6af39699e5fdd4028cfb9a3e872b7f615a6794a70717f1641c6100c90d1
4. 0x3fdf9097356f01c738fa85c2671db8b8549b4beeeffd94daa1af99c4cfe7a81e
5. 0x62586705a49735a43a989527a52d7444f1015a6c7ecf943c102e00ab16376323
6. 0x41022d036237a433ed1c644a08035b1e71755dc64b157bbaeff8cf5185a709e7
7. 0x6fd125f5e05775f6c26baab669daba3b958f04bf4e68db2e4eb5ecbe82f99556
8. 0xa8dd5157741d53e4c70d07a7638497c8cf2d8c835b314b973253cb0c816a2b67
9. 0x00503d27429bf52647567e211b1dfc3140b653d9b9292f1949c85e4054131527
10. 0xb833ee1dd0c328430c879f844cafa7d2130a898a7e46be4b8566cb5eb440b1b8
11. 0x96b0de8525a1ce9afb7aa359965fd43a046ebffc292498f213d6ef8e585b5450
12. 0x0e7c19f6e7bd242049d24eac9ffa226a36b32ea4e4fee5c033e0fbf08ae0b65e
13. 0x232f8590881ea4921512fc0756dcc829d8993faf60aefe4803b3883808832315
14. 0x5f01ce2f7be13617b127cba8dfc54bc12d54dc74dbe1632c8104af22668fd4f3
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0