Evidence row 64352

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://airport.openverbs.com/v1/nearest"
    ]
  ],
  "name": "Nearest airports to coordinates",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Find the airports nearest to a latitude/longitude, ordered by great-circle distance. Optionally cap the search radius (km), result count and airport type. Returns each airport with its distance in km.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "lat": 1,
              "limit": 1,
              "lon": 1,
              "radiusKm": 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"
                    },
                    "limit": {
                      "description": "Maximum airports to return. Default 5.",
                      "maximum": 50,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees.",
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    },
                    "radiusKm": {
                      "description": "Search radius in km (default 500, max 20000).",
                      "type": "number"
                    },
                    "type": {
                      "description": "Optional airport-type filter.",
                      "enum": [
                        "large",
                        "medium",
                        "small",
                        "seaplane_base",
                        "heliport",
                        "balloonport",
                        "closed"
                      ],
                      "type": "string"
                    }
                  },
                  "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": "2026-10-16T17:29:31.819Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T17:29:31.503Z"
    },
    "resource": "https://airport.openverbs.com/v1/nearest",
    "serviceName": "Nearest airports to coordinates",
    "tags": [
      "nearest airport",
      "closest airport",
      "airport by coordinates",
      "airport near lat lng",
      "find nearby airports"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find the airports nearest to a latitude/longitude, ordered by great-circle distance. Optionally cap the search radius (km), result count and airport type. Returns each airport with its distance in km."
}

What the leaf hashes

{"body":"8d1a27a6b292e0de060be913a379815784c1ad944239e2ab67d9889898c9ef97","id":64352,"kind":"listing","method":"baseline/1","observed_us":1793025456512251,"prev":null,"subject":"x402_bazaar:https://airport.openverbs.com/v1/nearest","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. 0xcd4b32632646f7189aeb8774ffc15d7a0a2dfec6b76bea108d6fc74a7a08707e
2. 0x387bbc2e17f255739638693c60f39982ea5cb35b3b6543038528695cc1391ce1
3. 0xdb568ba93fe5f53e15a17e5fa4588e4bfac8b4fa67f028a7a13a82de8ef6f097
4. 0x68f063eec5651c307b93ed81985adcd6b3a9b1b85d54c93761a94df5ab894707
5. 0x828665aee6295a170b5990b5d02f40772688ca15c4c7d93242bb2360efc7132b
6. 0xa9c63cbae3fdd2cc33dbb77844896e8c14743a3951b3186f54c3536252d1a402
7. 0x9a8542c6ffa293ab4488fba458e0cb0b701031c1221d58267d663f7890d1bc20
8. 0x3e66587749c114f3ed473763fc5b644dfeaf2813106030bb88fe31854b1bfd23
9. 0xcea476671cfb9b6054ad03347d963f1d25bacf7eeb847646ed7c55fcf1982684
10. 0xaeccad08de53b9a0fc92661c50baf377eabe2395bccae896e3122c57861cf518
11. 0xbee3c0dbc9149e89a214e95afe49b5d8a825aaaf7aa1721b2d66bbb287d6fd4d
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