Evidence row 17633

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.maximusmediahouse.com/v1/normalize"
    ]
  ],
  "name": "PrepLayer.ai",
  "owner_address": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "description": "Deterministic text normalization: Unicode NFKC, zero-width/bidi stripping, smart-quote and dash folding, whitespace collapse, case folding. Returns a stable content hash so two texts can be compared for exact equality.",
          "endpoint": "https://api.maximusmediahouse.com/v1/normalize",
          "name": "USD Coin",
          "price_usdc": "0.002",
          "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 text normalization: Unicode NFKC, zero-width/bidi stripping, smart-quote and dash folding, whitespace collapse, case folding. Returns a stable content hash so two texts can be compared for exact equality.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "text": "Hello,   world—"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "content_hash": "sha256:9f86d0…",
              "normalized": "hello world-"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "collapse_whitespace": {
                      "default": true,
                      "description": "Collapse runs of whitespace to single spaces and trim.",
                      "type": "boolean"
                    },
                    "fold_case": {
                      "default": true,
                      "description": "Lowercase the result.",
                      "type": "boolean"
                    },
                    "fold_width": {
                      "default": true,
                      "description": "Fold curly quotes, dashes and exotic spaces to ASCII.",
                      "type": "boolean"
                    },
                    "strip_invisible": {
                      "default": true,
                      "description": "Remove zero-width and bidi control characters.",
                      "type": "boolean"
                    },
                    "text": {
                      "description": "Text to normalize (1-100000 chars).",
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "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": "2026-10-26T09:00:08.438Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T09:00:08.265Z"
    },
    "resource": "https://api.maximusmediahouse.com/v1/normalize",
    "serviceName": "PrepLayer.ai",
    "tags": [
      "text-processing",
      "deterministic",
      "preprocessing",
      "x402",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Deterministic text normalization: Unicode NFKC, zero-width/bidi stripping, smart-quote and dash folding, whitespace collapse, case folding. Returns a stable content hash so two texts can be compared for exact equality."
}

What the leaf hashes

{"body":"327d7d4794625c1dab79fd055c072ebf12f4cb52fde381a84d9f2c918960c38b","id":17633,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025327093992,"prev":null,"subject":"x402_bazaar:https://api.maximusmediahouse.com/v1/normalize","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. 0x4a0b1fde84a0721f4fa327b34698e282ddb2d58c163d008f6f7fad77d84b415e
2. 0x1bd3b9dab1a62b915cd6f634dcd085ec89e582cf1fb51e03acdaef8b0e7faf1f
3. 0x4ba28557dc72ec8c17d3aaf7d185ff4483475e93b152e11e2120c32daf9b1db0
4. 0x3b56f204aca20c3196b0fb745f4c2ce8fcc2b5b97b596c0267f53950e9e90dc8
5. 0xb35107eebc2645680889219c6235f1d16a260833c8c849bea694225e8480802a
6. 0x638374c78baf16b363733e437146d7e3841d1bc5ce75e416844886aba8a6618f
7. 0xe2aa4678c6ca9564b4c4bf6d24c55d2311b5e6ab7bde66882e4b4a14a2567383
8. 0x70b02b15ac8bb9becc02decbeb46f6d565589b7e2ba81d4b5458150ccec4d2e5
9. 0x7bac93652122e6362b79a79900bc9599a675ccb6c8a1cf4ccc520943bfe821dc
10. 0xc5b02e18acc2bf5e20929ae3673a14ea6bf4561de28d14bdef58038c731f9754
11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae