Evidence row 2674

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://jsonschema.openverbs.com/v1/infer"
    ],
    [
      "x402",
      "https://jsonschema.openverbs.com/v1/validate"
    ]
  ],
  "name": "jsonschema.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "jsonschema.openverbs.com",
    "endpoints": [
      {
        "description": "Infer a JSON Schema (draft-07) from an example value, walking objects and arrays recursively. Set detectFormat=true to tag strings that look like date-time/date/email/uri/uuid, requireAll=false to leave object properties optional, and additionalProperties=true to allow extra keys.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "detectFormat",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": false,
            "group": "body",
            "name": "requireAll",
            "required": false,
            "type": "boolean"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "sample",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Infer schema from a sample",
        "tags": [
          "infer json schema",
          "generate schema from json",
          "json schema inference",
          "sample to schema",
          "detect json formats"
        ],
        "url": "https://jsonschema.openverbs.com/v1/infer"
      },
      {
        "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).",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "data",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Validate against JSON Schema",
        "tags": [
          "json schema validation",
          "validate json data",
          "draft 07 validator",
          "schema validation api",
          "json validation errors"
        ],
        "url": "https://jsonschema.openverbs.com/v1/validate"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "jsonschema-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "jsonschema.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.004",
      "currency": "USDC",
      "maxAmount": "0.004",
      "minAmount": "0.004"
    },
    "provider": "jsonschema.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "infer json schema",
      "generate schema from json",
      "json schema inference",
      "sample to schema",
      "detect json formats",
      "json schema validation",
      "validate json data",
      "draft 07 validator",
      "schema validation api",
      "json validation errors"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"924a52a03cfefb09f4005f06399a8bd42d4f48d43d82746f7bdb2ab6e9298eed","id":2674,"kind":"listing","method":"baseline/1","observed_us":1793025267093199,"prev":null,"subject":"agentic_market:jsonschema-openverbs-com","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. 0xfaa44f93f037ea2721ec904fb6818b6aa16963eb692a6537f0c33c171c8ddb71
2. 0xaa854bff2519606e08c72ad4e4b47f57e030b18be50455b1ba912c6bf822709c
3. 0xf7af9df28f79bb557664a19a310946b2787984e48a2bbb6eec8c27517ae0b812
4. 0x4abd57920be6aa1ea1032035d677ec206c0a0bcc31aa96a5ebbabecdaa46b022
5. 0x22edfc76632626006c90e6d41c7e93418da3c29a8e50f27bf0fa4da7034b8522
6. 0x2862c8fecb9083ccb63000d7da8e9c1ef9ec8b25068544e3e8c850667c5a1b36
7. 0x852245faf46b762c25229cbce90049180fe5222266435e98f4753d91bf024a3a
8. 0xc4f15c4e40c097e173d11870fa99176336aa50cedc06cef7fa89ce67fb97834d
9. 0xa8e223de1bf6c17e20c79a0fa423cbf6ba56c81dd611a668acb2b7dd42c2dcb9
10. 0xd76f45bbfd4476d2270c8ee2682ce22ef4f12d6f8a748331c7b8b81e476c49cb
11. 0xc1f00d9dcd67fe1d14473197e5f14f3efa26c1e1569cc2a3172842f28c850633
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae