Evidence row 75788

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://geo.halowerk.com/v1/utm-mgrs"
    ]
  ],
  "name": "geo.halowerk.com/v1/utm-mgrs",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "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"
      }
    ],
    "description": "Converts WGS84 latitude and longitude to MGRS using the open mgrs library. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. ",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "lat": 52.52,
              "lon": 13.405,
              "precision": 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": {
                    "lat": {
                      "description": "",
                      "maximum": 84,
                      "minimum": -80,
                      "type": "number"
                    },
                    "lon": {
                      "description": "",
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    },
                    "precision": {
                      "description": "",
                      "maximum": 5,
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "lat",
                    "lon",
                    "precision"
                  ],
                  "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": "2026-10-08T06:13:33.389Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T06:13:33.184Z"
    },
    "resource": "https://geo.halowerk.com/v1/utm-mgrs",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Converts WGS84 latitude and longitude to MGRS using the open mgrs library. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age."
}

What the leaf hashes

{"body":"227db8e8002a8519bf5d07942483592cbc2457771e11b1a0974a2812ccbf4523","id":75788,"kind":"listing","method":"baseline/1","observed_us":1793025491090996,"prev":null,"subject":"x402_bazaar:https://geo.halowerk.com/v1/utm-mgrs","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. 0xce99eb272118033df02aceddd6489cc656128cd8cc1b02de9c06fc812bd76762
2. 0x04fb0af6c9617826ab493a79a96a9728c8497908531cc864d3205b41a0ac5b0f
3. 0x77ef2979f78fe33cd6ecaa7ef0ad00e886b1d080f8f1c0940b2949f083fd0dce
4. 0x7a814aec66dbfec49003c056a9d42c55597c8c67d51c1a74e519fcc505c82da1
5. 0xee8a00ddbc508aadaba884eea345da78be3ce0bdc3999ee13e0737d40e056d5e
6. 0x839c1b87f35be2f1792e293c5fe477b800e93cd678f30b66007d78095ba04caa
7. 0x7abec28c5744c226c81729a8a53f9daeb5bbe0849ecfe16c1f624beb7acff31d
8. 0x93444f6264af5098b62c94cc187218f4d04a5060771ddfe47c176802f3d2b6a1
9. 0xa3e55f00ede32541050dbb65df4bfa209bd75b5d4fa834f517ea9a7632e1e00a
10. 0xe105839525c4828b89b7d05e44f371385eb52639386c098d62734be5b4a1ce05
11. 0xd57a32d9d2666c4270544dcb78bbea2f4774705d3879a86973628e2542543e62
12. 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae