Evidence row 76890

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://jsonschema.openverbs.com/v1/validate"
    ]
  ],
  "name": "Validate against JSON Schema",
  "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": "Validate a JSON value against a JSON Schema (draft-07, with the standard string formats enabled). An invalid schema is rejected as a clean 400 before payment; a valid schema that the data simply fails to satisfy is a successful result with valid=false and a list of errors (path, keyword, message).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "data": "example",
              "schema": {}
            },
            "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": {
                    "data": {
                      "description": "The value to validate (any JSON type)."
                    },
                    "schema": {
                      "description": "The JSON Schema to validate against.",
                      "type": "object"
                    }
                  },
                  "required": [
                    "schema",
                    "data"
                  ],
                  "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": "2026-10-02T02:17:39.548Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T02:17:39.234Z"
    },
    "resource": "https://jsonschema.openverbs.com/v1/validate",
    "serviceName": "Validate against JSON Schema",
    "tags": [
      "json schema validation",
      "validate json data",
      "draft 07 validator",
      "schema validation api",
      "json validation errors"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate a JSON value against a JSON Schema (draft-07, with the standard string formats enabled). An invalid schema is rejected as a clean 400 before payment; a valid schema that the data simply fails to satisfy is a successful result with valid=false and a list of errors (path, keyword, message)."
}

What the leaf hashes

{"body":"fe414f608527fe73f7e9c23cf5045204c36436b96156b8986c3de4ff9f89c3e2","id":76890,"kind":"listing","method":"baseline/1","observed_us":1793025493086467,"prev":null,"subject":"x402_bazaar:https://jsonschema.openverbs.com/v1/validate","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. 0x77f0396fc36cd5b0bf5acfa619bd407bdb2e97eb1a1e61eca4bf259705ad535c
2. 0x36ac6a5257ba925715848c0d6af91b639d839a26138be180cd0f99f19070b2e7
3. 0x71ff4d09560b47b9213e6984e00cc3f68ca10e076988e4a26b214fbde078a3f9
4. 0x238eb47ac0f3933a0b25bd2802738c20ac6fb8876067daefe94dd12837061786
5. 0x9692d5473f1a8145727e485f4c976919e3c0658f7066a2f9cdab398d149b8c23
6. 0x8b11bd1f5f9339d8072e3ca9d9151f1cba5a3fc60be085a8f2aa9bf3bec82ca0
7. 0x77972833691a0982dedfa9f15f468a32333cbcb8b3d4999ddf92bce6cbca8e1e
8. 0x31368648b591c7434e7a248a8d4ac70d1f8a14521ce007ed486f562414e3abe4
9. 0x1690a7cb6639b8700c8981534dfeef377eeb9ed1e0039429fd08b7e4cd8ec2a0
10. 0x7289d13e9c5129911e8dd0a94c4ccdb3088dca627d8df693e7d7c3b58bbbd576
11. 0x8fe7ebf89d10ac2e699de3f80f5dda3e72eef4ae079794ab7d1035929ad723cc
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae