Evidence row 785958

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wafermap.xyz/v1/contract-check"
    ]
  ],
  "name": "wafermap.xyz/v1/contract-check",
  "owner_address": "0xefa0fdf4ca8fd79227fb9a19e5cfd24a2a864b81",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:4663",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      }
    ],
    "description": "Contract Check — Who owns it, is it a proxy, can supply still change. Read straight from bytecode and storage.",
    "extensions": {
      "bazaar": {
        "category": "onchain",
        "info": {
          "input": {
            "body": {
              "address": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
              "network": "robinhood"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "receipt": {
                "amountUsd": 0.005,
                "asset": "USDC",
                "ms": 1200,
                "network": "eip155:8453",
                "payer": "0x…",
                "tx": "0x…"
              },
              "resource": "contract-check",
              "result": "{ isContract, owner, proxy, implementation, notes[] }"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Token contract address (0x…).",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "network": {
                      "description": "robinhood (default) or base.",
                      "enum": [
                        "robinhood",
                        "base"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793166422/bazaar-icons/5ef39b93b2d49e3c.png",
    "lastUpdated": "2026-10-28T10:59:55.53Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T10:59:55.413Z"
    },
    "resource": "https://wafermap.xyz/v1/contract-check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Contract Check — Who owns it, is it a proxy, can supply still change. Read straight from bytecode and storage."
}

What the leaf hashes

{"body":"9ac525fadab745c57ac2cb5a8bc9c216835e2d0d0ed1eb777641921619311476","id":785958,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211301650559,"prev":752015,"subject":"x402_bazaar:https://wafermap.xyz/v1/contract-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xb0106ea78dff87e91c2424e00e0f413054682f627f238c08b0c0b892e8d0ead2
2. 0x78077cb3f4e7f1d6b06bb2f7d08a3b9f311de8210da1bae85a53d1bb1d44ac04
3. 0x9104733dbd9feb20e16e4b5f66071b0fb63ec8a1467bbe1b293beaccf2937022
4. 0x0b2e649195b9e7c3db306a2fb08c4c0924af93ddcb05468a5ffe2796db247910
5. 0x95fa85c45546a712293ec7a9af947c54d43f34acb11835b6ab366e42ee3a9402
6. 0x2340515ab89d93c6d833fbb6da7978f4dcca688f3120c1308f74ff23ef0ebf38
7. 0xad9216cb4f8b5270c520c0c9abdb95637039311ec6516b0a10ec71636dd64e28
8. 0x7420c027488a4e6b7ed1f2993b0b9b824d63ee4104958365225d7937f06d47dc
9. 0xcd53b4771dfcb67752ebb91dba5560b5b946845fc70ab231db28c3ce3549ce0b
10. 0xdfe32807b448c42cb67d33d026ab2b8dc91cffe3a0a9e6e041072c86003177dc
11. 0x6a99adc737d8f00444b7724a61d92260b09a52d250275f23374b645c24c440f1
12. 0x31f1c419799292e0c3b46ba94440b5526ba262a7773ee5713dbef598363f4dff
13. 0x98b9fee8fc2de9dba94f4f81cf80de2396e2d2fccd881582ec5782c4d1a2f275
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae