Evidence row 2201689

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://json-data-tools.x402tookit.com/json-validate"
    ]
  ],
  "name": "JSON and Data Tools",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Check whether text is valid JSON; if not, return the error with line and column. If valid, report type, size and depth.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "json": "{\"a\": [1, 2, {\"b\": null}]}"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:24:44.928Z",
              "characters": 26,
              "degraded": false,
              "depth": 3,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "notChecked": [
                "conformance to any JSON Schema",
                "duplicate keys (the last one silently wins)"
              ],
              "reasons": [],
              "source": "computed locally",
              "summary": "Valid JSON (object, 1 keys), depth 3.",
              "topLevelCount": 1,
              "type": "object",
              "verdict": "VALID"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "json": {
                      "description": "The JSON text, up to 4000 characters",
                      "type": "string"
                    }
                  },
                  "required": [
                    "json"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "characters": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "depth": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "topLevelCount": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "type": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:30:51.928Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:30:51.741Z"
    },
    "resource": "https://json-data-tools.x402tookit.com/json-validate",
    "serviceName": "JSON and Data Tools",
    "tags": [
      "json",
      "validate"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check whether text is valid JSON; if not, return the error with line and column. If valid, report type, size and depth."
}

What the leaf hashes

{"body":"9dff52837525726a3be54846f1abfc8b1ca44acf9291044a9bb313f770154135","id":2201689,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646807871644,"prev":null,"subject":"x402_bazaar:https://json-data-tools.x402tookit.com/json-validate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x2092b2617e833a0c880eccf81291db863976d1ab3b82b16880d26bbf447a0ab5
2. 0x287d53ea7169fd9773550cdd2d993da9dcd06233e88dfa1f230aa42f6d88f71d
3. 0x74ded2f86fb65997b16fcecb965272575d7e8e67bff16cfda69ac4be21d6fdec
4. 0xbfdbd4c71343121a3ea53045348055a7fe7268610db42f0f93b123c87f6702fe
5. 0x81179a1c01e765ce67fbbb6cbab807e90e1aa972de802444c41eb6a48d822418
6. 0xdb61e6316c013772e40d91d01c98a35034f0c48f6bf94ce7fd127d90528237e0
7. 0xa4854fd37cd8f26fb7c3c3ca7d1dbd4b438356394816bed27485b8e7aadcab0c
8. 0x810c7f093ac115339977bd4a0985767dd7034728bd0e0cafeaf85556f63eac7e
9. 0x9affa8b1cc4852cb9995ecabe18201a866fb321f7dc0d2ac6b16af02791b617a
10. 0x610e10c8d4b54f541294cd8c62f5267847fecd6a782f4f5d3521978fff3ce086
11. 0x193993dfc99f07e76a7959bf301447a777bda89110f903e9197b34093694d0e4
12. 0x0287e9d9530add05d7480c4266f19be69f45ecae1d0e3ec844ff635060819eb8
13. 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af