Evidence row 76145

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://handel.halowerk.com/v1/gtin-resolve"
    ]
  ],
  "name": "handel.halowerk.com/v1/gtin-resolve",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Looks up a barcode number across Open Food Facts and a general product database, returning product name, brand, category, packaging, quantity and images where present. The check digit is computed locally before anything is queried: an invalid number is a typo, and reporting it as not found would send the caller looking in the wrong place.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "gtin": "4006381333931",
              "sources": [
                "openfoodfacts"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "gtin": {
                      "description": "EAN-8, EAN-13, UPC-A or GTIN-14.",
                      "maxLength": 14,
                      "minLength": 8,
                      "type": "string"
                    },
                    "skip_checksum": {
                      "default": false,
                      "description": "Query even when the check digit is wrong.",
                      "type": "boolean"
                    },
                    "sources": {
                      "description": "Which sources to query. Both if omitted.",
                      "items": {
                        "enum": [
                          "openfoodfacts",
                          "upcitemdb"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "gtin"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-11T18:40:45.146Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-11T18:40:44.715Z"
    },
    "resource": "https://handel.halowerk.com/v1/gtin-resolve",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Looks up a barcode number across Open Food Facts and a general product database, returning product name, brand, category, packaging, quantity and images where present. The check digit is computed locally before anything is queried: an invalid number is a typo, and reporting it as not found would send the caller looking in the wrong place."
}

What the leaf hashes

{"body":"bff6abd7a138a00e5f9e89ec6d62fb38299569b479cdb6d018808823e78ad396","id":76145,"kind":"listing","method":"baseline/1","observed_us":1793025491708619,"prev":null,"subject":"x402_bazaar:https://handel.halowerk.com/v1/gtin-resolve","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. 0x89df0caf9bb505b21df08c265dfb88179f8ae7323a2686b6e1651bbf49eac421
2. 0x49f364a0a80571a9104f2465f396a1b1994842f96b84b7ed64992e31d64cd2b1
3. 0xdfc592b59b80e4aca40795857f2f149491c49f0c4b8599ab3f91171d69cce3eb
4. 0xd45f0dd461ee64af8ff727e6a5cac13e1f396f9a6fe33653f386d1d9f1902fd5
5. 0x61df5d2635039e0f8075f6a661b5a1c28f7bf8e992a912dd70091a2298a85c8f
6. 0x37a52984dcbbffbadd27aea05085d180160a79197c7f1a9021099e7301577f71
7. 0x0736888eb1ed5848006392930021de5e4cbb7be13139ac13472a4809f657f62f
8. 0x628acf9c65ed7905bed837d222128e04a2a38b39d957f099184a7ce503a86032
9. 0xc99583ef5f8ceb9672305b576d4479a4c02b68b4950749aa2c8adbc6c2b17c63
10. 0xd59efd9db013aa86250da9a9746114e4191807e34e70119d7d7cdcde2bea60fe
11. 0xfb2bf7248df06c668bce5c2fce26586eb8982728138c40f164c1666cb3e32d7b
12. 0x7bf2d426bb827b94d7608055662cf2e3f09791e1a4c2c6bd606c0a9e89b18e59
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae