Evidence row 19264

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.maximusmediahouse.com/v1/dedupe"
    ]
  ],
  "name": "PrepLayer.ai",
  "owner_address": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "description": "Near-duplicate detection across a batch of documents. Exact Jaccard similarity over word-3-shingle sets decides duplication; a 64-bit SimHash is returned per document as a compact content fingerprint. Up to 200 documents per call.",
          "endpoint": "https://api.maximusmediahouse.com/v1/dedupe",
          "name": "USD Coin",
          "price_usdc": "0.01",
          "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": "Near-duplicate detection across a batch of documents. Exact Jaccard similarity over word-3-shingle sets decides duplication; a 64-bit SimHash is returned per document as a compact content fingerprint. Up to 200 documents per call.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "documents": [
                "the quick brown fox jumps over the lazy dog",
                "the quick brown fox jumped over a lazy dog"
              ],
              "threshold": 60
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "duplicate_count": 1,
              "groups": [
                {
                  "ids": [
                    "a",
                    "b"
                  ],
                  "similarity": 0.94
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "documents": {
                      "description": "Documents to compare.",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 200,
                      "minItems": 1,
                      "type": "array"
                    },
                    "threshold": {
                      "default": 60,
                      "description": "Minimum Jaccard similarity percent to count as a duplicate.",
                      "maximum": 100,
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "documents"
                  ],
                  "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": "2026-10-26T03:50:03.957Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T03:50:03.741Z"
    },
    "resource": "https://api.maximusmediahouse.com/v1/dedupe",
    "serviceName": "PrepLayer.ai",
    "tags": [
      "text-processing",
      "deterministic",
      "preprocessing",
      "x402",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Near-duplicate detection across a batch of documents. Exact Jaccard similarity over word-3-shingle sets decides duplication; a 64-bit SimHash is returned per document as a compact content fingerprint. Up to 200 documents per call."
}

What the leaf hashes

{"body":"96e2c86d27e333ecac3d8a3802fe0a2816ad16681a7a273fb7d46508588c1104","id":19264,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025331386419,"prev":null,"subject":"x402_bazaar:https://api.maximusmediahouse.com/v1/dedupe","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. 0x34b157591d9ba633c9b6d38d31d6362e01e25e2bdfce2243b81eeb6927a78905
2. 0x81654395aaef113ef1a4fc680e0ade4d284650c68ca26930854c72b990fd38c0
3. 0x309f989bc2dc4c8849b003548f8a7fd5756bf2013cf2ccd9608f9d881014cbd9
4. 0x49aae7257697343eb92ddde16b4b8390c3a6782d65e47b6c4b2936bfa654c4cd
5. 0xdd762efe4d9d67c21e3162161556325643a2d135c4760bcfa9e0edb803e4f158
6. 0xc78a31e559fac963f4d9aad90dda711fd6d8b937ed55b85cd76e32e6648f6842
7. 0xc10d04e4fd735e53576bc49f85ad16152ad5cfb4af6651aaf72e202eb2ab9bed
8. 0xd641dde0122198007109ddc36ad4b56d5079a2cd10a3e4f380db6a15e62fdfec
9. 0x3537bcc0126ddadc2e072f30c37b0f6cb1dbefbeae94bf944efdd820414ab30f
10. 0x852ba002507b16449e45904851c68e7f0b59aa6069ac1ae74dc557389e7c7646
11. 0x5b8798d4cefad64becd1c03dfc4c9f7111db423ab06ea3f8878316222a2b26de
12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae