Evidence row 76132

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://grundpreis.halowerk.com/v1/category-unit-prices"
    ]
  ],
  "name": "grundpreis.halowerk.com/v1/category-unit-prices",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "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": "Distribution of latest included product/store observations, with regular and promotional prices separate. Example: category en:pastas, country DE. Cheapest means cheapest included observations, not the whole market.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "category": "en:butters",
              "country": "DE"
            },
            "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": {
                    "category": {
                      "description": "Open Food Facts category tag, e.g. en:butters.",
                      "maxLength": 80,
                      "minLength": 3,
                      "type": "string"
                    },
                    "country": {
                      "default": "DE",
                      "enum": [
                        "DE",
                        "AT"
                      ],
                      "type": "string"
                    },
                    "ean": {
                      "description": "Alternative: use this product's main category.",
                      "maxLength": 14,
                      "minLength": 8,
                      "type": "string"
                    }
                  },
                  "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": "2026-10-20T21:12:03.1Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T21:12:02.681Z"
    },
    "resource": "https://grundpreis.halowerk.com/v1/category-unit-prices",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Distribution of latest included product/store observations, with regular and promotional prices separate. Example: category en:pastas, country DE. Cheapest means cheapest included observations, not the whole market."
}

What the leaf hashes

{"body":"8601b57e1ffeea11510133a4f7e32494ccf6f7fd8cd29c8e7656dc6242566ddb","id":76132,"kind":"listing","method":"baseline/1","observed_us":1793025491690158,"prev":null,"subject":"x402_bazaar:https://grundpreis.halowerk.com/v1/category-unit-prices","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. 0x6f045dec21be14506dd0a653d52a40e75114fc5aff8c3d6e7cb99cb04145b3dc
2. 0x55114d153081d0f94050c979053f1fed5a5e61c98f70f5828a5f266f54490c24
3. 0x8fd5f28e847a090ce4699c6835ad7588a9349a46e0449b6a41d634841ac59f7e
4. 0x896d238e440e6358c9c842f45c73b73b5d8a748a711fe2ec546110cc2c3c0bcf
5. 0xa1b1d5e6ce0591f416b55a2ee9932fe6234a0cc4132c334b169fdf1c8e8736b8
6. 0xbc11c82a19e8bf4927fd6112dc83f318fbbb9fc95d21563a69a18c51fd05b21b
7. 0x1d8af8fbea80342e47737b2cbf1c152ae6667e99b748ad1731e826affee09e1e
8. 0xf63dd8885e71135ef53de83a90543081258a2f8a1b2c9003f15b0dc60383895c
9. 0x3233ccff456551e58b13319f20aea0ad7617c984fa35496e2c86468f706b3400
10. 0x21697b5033eab051196ecfd0591995e96b02c13cc0342e056b639cda759e3630
11. 0xcea975b85294606fde77157e415805eb2b2339729d4782f73ff75ac4682fef10
12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae