Evidence row 2205249

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://landvergleich.halowerk.com/v1/local-background-deviation-drainage-tendency"
    ]
  ],
  "name": "HALOWERK Land Compare",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "8000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "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",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      },
      {
        "amount": "8000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
        "scheme": "exact"
      }
    ],
    "description": "Compares the 60 metre site measurement for surface drainage tendency with a 1,000 metre local background measured from the same source and reports the deviation.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 51.9,
              "longitude": 7.1
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "http://json-schema.org/draft-07/schema#",
                  "additionalProperties": false,
                  "properties": {
                    "latitude": {
                      "description": "WGS84 latitude inside the published European coverage.",
                      "maximum": 72.5,
                      "minimum": 34,
                      "type": "number"
                    },
                    "longitude": {
                      "description": "WGS84 longitude inside the published European coverage.",
                      "maximum": 40.5,
                      "minimum": -31.5,
                      "type": "number"
                    }
                  },
                  "required": [
                    "longitude",
                    "latitude"
                  ],
                  "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"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T16:56:49.068Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T16:56:48.567Z"
    },
    "resource": "https://landvergleich.halowerk.com/v1/local-background-deviation-drainage-tendency",
    "serviceName": "HALOWERK Land Compare",
    "tags": [
      "land",
      "europe",
      "change",
      "drainage-tendency"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compares the 60 metre site measurement for surface drainage tendency with a 1,000 metre local background measured from the same source and reports the deviation."
}

What the leaf hashes

{"body":"68e4d981f81184eeec4d2cead28d8d3e2cf44a35cae0630715f4288693fc5b3d","id":2205249,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957490788,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-drainage-tendency","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x2203df5f093a6fa4d309b1662de4347a544afffc39d09c7330036301357140aa
2. 0xc107d24a8559a437ebb3222c1c53c7240801c17239f0b4c92704aa537f6da3c1
3. 0x2357fe58c8f1cb56465e1e6837fa3c999a9d1e8fb2c41338fcd6e2fe05e19a3d
4. 0xcdd97e00b1562a395eec925dc56996e595b14af5ec4883e38025f3842856e082
5. 0x1e2570a96f4373f663627d91fadf2155dfd2c7dd473a6c4772b2b1ecfd0889a8
6. 0x331df3d73e5db73fb852447c88f328e5df2f2da77a2320cce71002f3fd30b170
7. 0xc500b309592aef02af8313baa38d6e62409282f5cb7407554ea86dd7343fc10c
8. 0x3a2ba1e2f8cfb281c799a5dd4d226e02a016de3832fc0626dd87267554fb8560
9. 0xb6b9ae366ff5f3ecfa72a671991048b8ecafec2b798f1066b9151d6e91fca282
10. 0x4bedbad57f8ee27360c292c94a1782e35744f2989cf1cf7c8f7f4ce915b351f4
11. 0x054cff7b0afbf885f29536e37c253c3b65b70e0fc28a2a3664164730a007b04f
12. 0x55683a1d17eb7241c5fc7a5cf11e9abfdc0742d9a734c294f9a5cf8eb64903c1
13. 0x1684e269a6d133e78b06586cfa473a0fd25d7ae52c10084dd8c0b8a491f1b827
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af