Evidence row 76911

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://karte.halowerk.com/v1/flood-risk"
    ]
  ],
  "name": "karte.halowerk.com/v1/flood-risk",
  "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": "Returns the pre-fetched GloFAS control forecast at the nearest model cell for a point in Europe. The result reports modelled river discharge, its peak and change over the requested horizon. It is deliberately not presented as a flood probability or warning because those require local river thresholds and the responsible national or regional authority. Every response carries the required CEMS attribution and warranty disclaimer.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "latitude": 45,
              "longitude": 5
            },
            "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": {
                    "hours": {
                      "default": 10,
                      "description": "Number of daily forecast steps to return.",
                      "maximum": 10,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "latitude": {
                      "description": "Latitude inside the cached DACH and Central Europe area.",
                      "maximum": 56,
                      "minimum": 45,
                      "type": "number"
                    },
                    "longitude": {
                      "description": "Longitude inside the cached DACH and Central Europe area.",
                      "maximum": 18,
                      "minimum": 5,
                      "type": "number"
                    }
                  },
                  "required": [
                    "latitude",
                    "longitude"
                  ],
                  "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": "2026-10-08T05:40:54.205Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:40:54Z"
    },
    "resource": "https://karte.halowerk.com/v1/flood-risk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Returns the pre-fetched GloFAS control forecast at the nearest model cell for a point in Europe. The result reports modelled river discharge, its peak and change over the requested horizon. It is deliberately not presented as a flood probability or warning because those require local river thresholds and the responsible national or regional authority. Every response carries the required CEMS attribution and warranty disclaimer."
}

What the leaf hashes

{"body":"fdab15ac8cf07c9d680b16d7866331306f1894d9b46c3a7f41a2271f1096acdb","id":76911,"kind":"listing","method":"baseline/1","observed_us":1793025493116187,"prev":null,"subject":"x402_bazaar:https://karte.halowerk.com/v1/flood-risk","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. 0x1a64eb034eae2d8c52b6f910b46f93f150a0ed0dee79ef13afca0035ac711652
2. 0xd7f23ad4411a906e7b6d67a72a0a92903329b65eb61f52ab061fcd0f458c84d1
3. 0x1d80f90f13b55894ceba4118ff6620f3a9a30d07edb507bd0e4d4275f9a3c3ed
4. 0xe028edf0d046b364470cf982dcb32ea32d38014f99f9d8fa5dd47416f02487f8
5. 0x112d4816b7c666945e6794d0e5d052359f1d6b2760b766a741bb2fcb35d7f2ff
6. 0x88d7d333d9b731583119cefd7e47f136dca8ab63b0c243a7d660bbf2544884c5
7. 0x60f486cc2c8cfcaff252649f0edcb41e58e2ef2ac35170fb46caa0b5a621d8ab
8. 0x28e394d9848957b4c408539fcffabbe0f82134dea2080d269eb00041b96a5a0c
9. 0xe6e4254a8723d8930479e5f77cf75c44851c9b08b81c0bb74b2598a9e74f7537
10. 0x6d27c5c63ea66456b677294ea72b347a864d782d8f8fd8c013fee5d576ad8725
11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae