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Evidence row 67339

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.maximusmediahouse.com/v1/validate_json
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8c882b64b588fcfb51cd9170a016ce324f5bbcb424c48371041cd21a81c3e0b3
Leaf
0x5dd6b577109f3b148f1dd7354d73636d6c92577293fd5edb712ab9598166c4b4

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.maximusmediahouse.com/v1/validate_json"
    ]
  ],
  "name": "PrepLayer.ai",
  "owner_address": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "description": "Deterministic JSON-Schema subset validator. Catches malformed JSON before it breaks a pipeline. Supports: type, required, properties, items, minLength, maxLength, pattern, enum, minimum, maximum, additionalProperties. No external dependencies.",
          "endpoint": "https://api.maximusmediahouse.com/v1/validate_json",
          "name": "USD Coin",
          "price_usdc": "0.003",
          "requested_network": "eip155:8453",
          "supported_networks": [
            "eip155:8453",
            "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
            "eip155:137",
            "eip155:42161"
          ],
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
        "scheme": "exact"
      }
    ],
    "description": "Deterministic JSON-Schema subset validator. Catches malformed JSON before it breaks a pipeline. Supports: type, required, properties, items, minLength, maxLength, pattern, enum, minimum, maximum, additionalProperties. No external dependencies.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "json": "{\"b\":2,\"a\":1}"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "canonical": "{\"a\":1,\"b\":2}",
              "valid": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "json": {
                      "description": "The JSON string to parse and validate.",
                      "type": "string"
                    },
                    "schema": {
                      "description": "JSON-Schema subset. Omit for parse-only validation.",
                      "properties": {
                        "additionalProperties": {
                          "type": "boolean"
                        },
                        "enum": {
                          "type": "array"
                        },
                        "items": {
                          "type": "object"
                        },
                        "maxLength": {
                          "minimum": 0,
                          "type": "integer"
                        },
                        "maximum": {
                          "type": "number"
                        },
                        "minLength": {
                          "minimum": 0,
                          "type": "integer"
                        },
                        "minimum": {
                          "type": "number"
                        },
                        "pattern": {
                          "type": "string"
                        },
                        "properties": {
                          "type": "object"
                        },
                        "required": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "type": {
                          "enum": [
                            "string",
                            "number",
                            "integer",
                            "boolean",
                            "null",
                            "array",
                            "object"
                          ],
                          "type": "string"
                        }
                      },
                      "type": "object"
                    }
                  },
                  "required": [
                    "json"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T02:43:08.305Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T02:43:07.685Z"
    },
    "resource": "https://api.maximusmediahouse.com/v1/validate_json",
    "serviceName": "PrepLayer.ai",
    "tags": [
      "text-processing",
      "deterministic",
      "preprocessing",
      "x402",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Deterministic JSON-Schema subset validator. Catches malformed JSON before it breaks a pipeline. Supports: type, required, properties, items, minLength, maxLength, pattern, enum, minimum, maximum, additionalProperties. No external dependencies."
}

What the leaf hashes

{"body":"8c882b64b588fcfb51cd9170a016ce324f5bbcb424c48371041cd21a81c3e0b3","id":67339,"kind":"listing","method":"baseline/1","observed_us":1793025462602740,"prev":null,"subject":"x402_bazaar:https://api.maximusmediahouse.com/v1/validate_json","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x5dd690ccd04131aa37edb67c565251fb28458274c6e1b0880f8beaa09619c688
  2. 0xaf62c64dd6a3f1c8455003d76c411caa1272ac1c84f23dedafbb167fd6acdefc
  3. 0x57697c67a9ae6aa93e9487b1e9b8387ea7607a44b10c721d855feaa023ee36bf
  4. 0x30e33f6cbd5bfbbe1229dba58b3973f5df0da38195e5b6e2add5ad47fc741348
  5. 0x185ac53dfd3f56b353deb5e00fda096d9fcf36cdfe4bbd71f3fcfcfd341934b0
  6. 0xd93290fdaf27099efc89b2f9b550bee841de103efe348a54fa0593164f52334f
  7. 0xce0533f189766414979f9a99c7cd39a09b005a7d3eb35bf3b5245fc63b547034
  8. 0x475a495a3cc8c873a72f8bb4392160fbfbcc532647c5221547f927f699bba5a3
  9. 0x58cf3e668681453283a9ec044f89a8e224d42b88ac092d9414435eec41da281e
  10. 0x116728891cb4c83d2e8172d6192a92a31125d01dcb46174186e930ee9a03ea1a
  11. 0xb91bf0ba3ebff769d1b88f93fcb076477149787a7e31c3c28ce4fe8823b7c144
  12. 0x2121cc2dbcb8663af57743dc445c8a59e5bbfffe89703f0606c9843f0d35aff8
  13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
  14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
  15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON