Evidence row 261509

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":261509,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793032229037612,"prev":256734,"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. 0x1d3a33e5abd27597274800b48099898e7bf5d783bd38b3dda20b4e86075017a9
2. 0x06772c8efd4df853304c69bd8d3ee833fd72ed2da8a5831e732272cc5e543364
3. 0x616b61d768667b4550a8258a18b9235c3fc15de39aafc8cd0db6c4cb6b2367dd
4. 0x55f501e6fbea1786613adcfe404e753abe0981853a8d6b3e7491e9b593140d2c
5. 0x384328053d4a91be06df27efba54ea11c5454f47d737f703e4a7d654fbebf39f
6. 0x32a47b2967c06f79710f097f8ae0aaf80a6e7d217ea76f81e107ffa9ccc2aa96
7. 0x8d2a0be0d1a51407579710714b31a81315011ef0726a5a0d0cd5435309576f99
8. 0x1cde8c9c4a954f05ea194cda2e477ce81d540d885ba379e0c5fccfe67b09859d
9. 0x0f3b42a7b3a6c27758557706b17d19646fc5864df29a0e004e8b580b9e22fd2c
10. 0x328a19bb2b9e8aa664a31a15df6f2e5a801e6cb13c626e7a570636fb14fb88d3
11. 0x15110e1ab8fe267895da4a2cf012c17f5824a8afca5d2dac1f158d633e16c91c
12. 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
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