Evidence row 48863

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://geospatial.openverbs.com/v1/utm"
    ]
  ],
  "name": "geospatial.openverbs.com/v1/utm",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Convert decimal lat/lon to a UTM coordinate (zone, latitude band, hemisphere, easting, northing) on WGS84, including the Norway/Svalbard zone exceptions. Defined for latitudes -80..84.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "lat": 1,
              "lon": 1
            },
            "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": "Latitude in decimal degrees.",
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees.",
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T12:04:04.636Z",
    "quality": {
      "l30DaysTotalCalls": 20,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-26T12:04:04.353Z"
    },
    "resource": "https://geospatial.openverbs.com/v1/utm",
    "tags": [
      "lat lon to utm",
      "utm conversion api",
      "convert coordinates to utm",
      "wgs84 utm zone",
      "utm easting northing"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert decimal lat/lon to a UTM coordinate (zone, latitude band, hemisphere, easting, northing) on WGS84, including the Norway/Svalbard zone exceptions. Defined for latitudes -80..84."
}

What the leaf hashes

{"body":"7d5abaaa4dedc7a23d192e2313972a827b51ff38c3e2ff346b555e26de8a9b69","id":48863,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025412673483,"prev":null,"subject":"x402_bazaar:https://geospatial.openverbs.com/v1/utm","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. 0xf25d8fd37e8fd0dfb22b65b45bae67589ac0bc5d8f134397aa089f56c2dd41dc
2. 0x96f9757ab33b23bb11f7542888f8feccc1bae4cbbecd9c0cf0044d94f20a7b13
3. 0xd1549817f35db25cdfd375d6336c1d5e9a61371cfbb09c0fb86271347bd84411
4. 0x05b3a92cd199dbbad7b516133b72bb893a3062ed45e9b5e48b0d185421613dde
5. 0xa7b0eb48468ef373d52e6e8edabd70d10d7ebab9fd22324daae79ce98f30cb06
6. 0x3a33e8a68ff0f4e66b18c530c9d6075e3f8e956c9038da7f745b2ca2d7ca8236
7. 0xca88803b3e16ea491e80ae86e155a0f3c0c95a4be75996e535f00331e3eed230
8. 0x3d2c434f80d09faf811988011c15be17a4f957fd398d40141269b6b0f2f64977
9. 0xaf818172ba46cb6411d4774976f929599ef69d18db1a825dd0b70a186985cb5b
10. 0x747b8d129940c04d50dabe8a6f73c88489e36e50ca6f34c4b98a90d3c8238e2e
11. 0xed3de41377d308fca21bfc95ef194b731c0ae2a53b6db64d80352c5f19d0e790
12. 0x3e439c99553dde4ddc1a9189bc043fa92a4b6b41e39e7e6b21c10148f9558a78
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae