Evidence row 61509

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent.halowerk.com/v1/fallback-resolve"
    ]
  ],
  "name": "agent.halowerk.com/v1/fallback-resolve",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Searches the public x402 discovery catalogue for services able to replace a broken dependency. Give the failed URL and, better still, a short description of what it did and the fields you need back; matches are scored on overlap between your task words and the candidate name, description and path, then ordered by score and price. Every hit carries the reason it matched, its price in USDC, its network and when the catalogue last saw it.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "failed_url": "https://legacy.example.invalid/v1/weather/forecast",
              "limit": 5,
              "network": "eip155:8453",
              "required_fields": [
                "temperature",
                "precipitation"
              ],
              "task": "Weather forecast with temperature and precipitation."
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "failed_url": {
                      "description": "The endpoint that stopped working.",
                      "maxLength": 2000,
                      "type": "string"
                    },
                    "limit": {
                      "default": 10,
                      "description": "How many candidates to return.",
                      "maximum": 25,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "max_price_usdc": {
                      "description": "Ignore candidates above this price per call.",
                      "minimum": 0,
                      "type": "number"
                    },
                    "network": {
                      "description": "Only candidates on this network, e.g. eip155:8453.",
                      "maxLength": 64,
                      "type": "string"
                    },
                    "required_fields": {
                      "default": [],
                      "description": "Field names you need in the answer. Candidates mentioning them score higher.",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "task": {
                      "description": "What it did, in a few words. The single strongest signal for a good match.",
                      "maxLength": 500,
                      "type": "string"
                    }
                  },
                  "required": [
                    "failed_url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:40:20.728Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T05:40:20.253Z"
    },
    "resource": "https://agent.halowerk.com/v1/fallback-resolve",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Searches the public x402 discovery catalogue for services able to replace a broken dependency. Give the failed URL and, better still, a short description of what it did and the fields you need back; matches are scored on overlap between your task words and the candidate name, description and path, then ordered by score and price. Every hit carries the reason it matched, its price in USDC, its network and when the catalogue last saw it."
}

What the leaf hashes

{"body":"354f6f88e622b4b0ce0038239a9e6a63d22ceb1e3982d75db47173dab3705bb9","id":61509,"kind":"listing","method":"baseline/1","observed_us":1793025451035794,"prev":null,"subject":"x402_bazaar:https://agent.halowerk.com/v1/fallback-resolve","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. 0x1f0935442157f8cb7d1e6d1debb7cc9c5c98ab033415e5d24ef37ea03eeeaa12
2. 0xb23b03a62b742bfc721271d5fda116d12578885795a8197cc9550c60af6c3438
3. 0x524fb5458212a8471fa60ac920f551b52940cf60b504eb6f1abfeded95ea04c9
4. 0xe35850d54dc909669ded05d41cc6a71d7299085a4f42f82d24247bbefc563947
5. 0x4249bc872337e0f5a1f4c5f3c890435d8349ba55b204593e0b75432c797cf93f
6. 0x846065e6bf68e796a5a9c1d4765cee86f85ccaa8070d5863bc83c608c324b10f
7. 0xa87d040031c42425d6ad033f05841a65b4a645fb0d13f1e4a732611fd6009a71
8. 0xb12782d5d04c13e86edb6a887bb4b6f36fdb9211a42956f9ebc1bd5380963a45
9. 0x5ea005b2aad9c8979e952e284f06300a28be249aa66535acf2907a3a6fa36ae0
10. 0xef610ca79dfed4e1e00208e978a3a887d70d47190be682de5aa9a473137a32fe
11. 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae