Evidence row 76889

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://jsonschema.openverbs.com/v1/infer"
    ]
  ],
  "name": "Infer schema from a sample",
  "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": "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.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "detectFormat": false,
              "requireAll": false,
              "sample": "example"
            },
            "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": {
                    "additionalProperties": {
                      "description": "Allow properties beyond those seen. Default false.",
                      "type": "boolean"
                    },
                    "detectFormat": {
                      "description": "Tag recognizable string formats (date-time/date/email/uri/uuid). Default false.",
                      "type": "boolean"
                    },
                    "requireAll": {
                      "description": "Mark all object properties as required. Default true.",
                      "type": "boolean"
                    },
                    "sample": {
                      "description": "An example value to infer a schema from (any JSON type)."
                    }
                  },
                  "required": [
                    "sample"
                  ],
                  "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": "2026-10-02T02:17:38.052Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T02:17:37.77Z"
    },
    "resource": "https://jsonschema.openverbs.com/v1/infer",
    "serviceName": "Infer schema from a sample",
    "tags": [
      "infer json schema",
      "generate schema from json",
      "json schema inference",
      "sample to schema",
      "detect json formats"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "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."
}

What the leaf hashes

{"body":"e5c66345b0176a29dd07c12ce724675d895e62237f83c1d5fdda638ed9c18e0b","id":76889,"kind":"listing","method":"baseline/1","observed_us":1793025493084855,"prev":null,"subject":"x402_bazaar:https://jsonschema.openverbs.com/v1/infer","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. 0xed76f1f98d9d1cdf814b192116a2e2798a1cd04e262282f26bd3fb126c24ed6e
2. 0xd0bf4cb783eb4e00e37547abaaff273bb2751f94e6c658d229037d6623cfc3fc
3. 0xa58aadb63a7d1fdf5541b4ea17fe4f5ad11fb7bdea463d0f8fd96a06f878f331
4. 0x70e15ad62c3b5ea94bde6fee978fca287a86ac1c8598fba6fe5a3b383541bf2a
5. 0xf08d569a017c545a9f2b16d64b154290e15d9e36ba86fb9c3c2e8e2a06e88c88
6. 0x1fd0d66f99733723e7dd6d1e3440da211d65ac4e3d2eeb2cace292f39d55cf6d
7. 0x33a06465b60b5d66bc6cedbe9204f0b225dde08a2ff118bf41114aa5fb1ac916
8. 0xd8e623c3d15399b9dc08d311051bcb6399b0759cac26f494e5601dec0289edee
9. 0x23a488f39d9ef5e7319c35a6d41a9cb9cca6c214c02346c750ba7df46d6a6e3b
10. 0x6c23cb72ed5e32360c8c43188de0875681092b01554d2a31d5f096fdae959492
11. 0x3f07a2115848067024e2992cb2c05a86eb8d02df5abfcead8bc47854e501603e
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae