Evidence row 76135

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://grundpreis.halowerk.com/v1/unit-price"
    ]
  ],
  "name": "grundpreis.halowerk.com/v1/unit-price",
  "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": "Calculate price per kg or litre from your price and quantity or an available EAN pack size. Example: price_eur 1.29, quantity 4x125g. This is a calculation, not an observed store quote.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "price_eur": 2.49,
              "quantity": "6 x 0,33 l"
            },
            "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": {
                    "ean": {
                      "description": "Alternative to quantity: pack size from Open Food Facts.",
                      "maxLength": 14,
                      "minLength": 8,
                      "type": "string"
                    },
                    "price_eur": {
                      "exclusiveMinimum": 0,
                      "maximum": 100000,
                      "type": "number"
                    },
                    "quantity": {
                      "description": "Pack quantity text, e.g. \"500 g\", \"6 x 0,33 l\".",
                      "maxLength": 40,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "price_eur"
                  ],
                  "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": "2026-10-20T21:16:28.565Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T21:16:28.363Z"
    },
    "resource": "https://grundpreis.halowerk.com/v1/unit-price",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Calculate price per kg or litre from your price and quantity or an available EAN pack size. Example: price_eur 1.29, quantity 4x125g. This is a calculation, not an observed store quote."
}

What the leaf hashes

{"body":"daef516abdf3576cef57d980b587778e76981c0ee01240b400d1fb9508d56c73","id":76135,"kind":"listing","method":"baseline/1","observed_us":1793025491693850,"prev":null,"subject":"x402_bazaar:https://grundpreis.halowerk.com/v1/unit-price","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. 0x558a3d671c36bbafbb41703d2b4c80afab15717c698fbfd9f135b530c768834b
2. 0x84ff60a18ec9dea318ab374c948122871599e045d29e041be807aba7be38a5e2
3. 0xda0a5a6ed19878ea244a8b2c61ec4468ae1d4c5e2a4e8bebfb2601e459c413a4
4. 0xc64360ef882edc6ee0ed36e2e39a500acafc558166d80a90eec8cae742c9ea16
5. 0xe775c026263a8060dddb0ea71581dfb7e8198ff790281252be4c86cc3f103a9c
6. 0x4f5d69d283095b82c1b880f6c2486edb3ce512cb4a97066a923fe96d1051db4d
7. 0x45cb3e0d109965bb18444a043f7ea4e724f92ec4ee7ca1824ec3a3fd6384d69b
8. 0x8b286fbcf75cc225bde16cfd4df737e2472e959e61f168d18df01537ba5c4af4
9. 0x5e213bdc1580737e42ad79b6f4d9525557bb386f49ea97fa5d1a0914a23f660d
10. 0x67cc9e33a20bfc6e2cc4190cfe822576e88db4e067580d9b03de61490ef43281
11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae