Evidence row 119103

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://regex.openverbs.com/v1/test"
    ]
  ],
  "name": "Test for a match",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Test whether a RE2 pattern matches anywhere in the input. Returns { matched }. RE2 guarantees linear-time evaluation, so this is safe against catastrophic backtracking. An invalid pattern is a clean 400; no match is a successful 200.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "flags": "i",
              "input": "The cat sat on the mat.",
              "pattern": "\\bcat\\b"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "flags": {
                      "description": "Any of i (case-insensitive), m (multiline ^$), s (dotall). Default none.",
                      "maxLength": 8,
                      "type": "string"
                    },
                    "input": {
                      "description": "The subject text.",
                      "maxLength": 1000000,
                      "type": "string"
                    },
                    "pattern": {
                      "description": "RE2 regular-expression pattern.",
                      "maxLength": 4096,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "pattern",
                    "input"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:39:57.428Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:57.143Z"
    },
    "resource": "https://regex.openverbs.com/v1/test",
    "serviceName": "Test for a match",
    "tags": [
      "test regex",
      "regex match boolean",
      "check pattern match",
      "re2 test api",
      "safe regex test"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Test whether a RE2 pattern matches anywhere in the input. Returns { matched }. RE2 guarantees linear-time evaluation, so this is safe against catastrophic backtracking. An invalid pattern is a clean 400; no match is a successful 200."
}

What the leaf hashes

{"body":"5adf0bc88d81b05d2f8bfb501bf735586bae4da33d1efe5215f889582f73522b","id":119103,"kind":"listing","method":"baseline/1","observed_us":1793025614549522,"prev":null,"subject":"x402_bazaar:https://regex.openverbs.com/v1/test","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. 0xec40b51303ac23c604ef9176a424ce241bf840e9138284841b698609e8e1a344
2. 0x526b930d56769c29bc874899317c28265a6aeed8f47353f07647686cb8f08b9a
3. 0x2978d1a9c4b520200730c464d216f47382aeb1bbfbba41e0402ec0f5cbfa299a
4. 0xbe607b9f8dcf93428c7a5e24513fea0a52ab8f9d2e7413834e92898d3cba83d8
5. 0x98a174390f4457d07d1a3cdbb4fe69b1c6cb5d0f6f9af2fe528d173117962251
6. 0xdefe95bdfa71477a9a3903c9eea19038619684b4e621885428c6d18dd5dc11ec
7. 0x4155471f85f51fa5a4532ce14f05ed743c83ff35b215e29fc8b8bc325db7ed21
8. 0x73eb5c35c89db5978a77a712d0fb4ed1a9a8eae3dcbe7b78f69e57c2776a379d
9. 0xd431109875ad6ba14d3d4bcdb9ca53069b9e23c9de8b8ccdad9978b1a66d4b2f
10. 0x0e6847189b6b941d0233f67c69f0c32e1b6794611c654d5a10f2587ccfc1b873
11. 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
12. 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae