Evidence row 60279

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://2s.io/api/airport/near"
    ]
  ],
  "name": "2s",
  "owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
        "scheme": "exact"
      },
      {
        "amount": "2500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "name": "USDC",
          "version": "1"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
        "scheme": "exact"
      }
    ],
    "description": "Airports within a radius of a coordinate, sorted by distance. Query: lat (-90..90), lon (-180..180), radius_km (1-2000, default 200), limit (1-100, default 20), type (optional: large_airport|medium_airport|small_airport|heliport|seaplane_base|balloonport|closed), country (optional 2-letter ISO 3166-1), scheduled_service (optional bool, true = commercial-service airports only). Returns { query, count, airports: [{ id, ident, name, iataCode, icaoCode, type, latitude, longitude, distanceKm, ... }] }.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "example",
              "lat": -90,
              "limit": 20,
              "lon": -180,
              "radius_km": 200,
              "scheduled_service": false,
              "type": "large_airport"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "country": {
                      "description": "Filter by ISO 3166-1 alpha-2 country code (e.g. US).",
                      "type": "string"
                    },
                    "lat": {
                      "description": "Latitude in decimal degrees (-90 to 90).",
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "limit": {
                      "default": 20,
                      "description": "Max airports to return (1-100). Default 20.",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees (-180 to 180).",
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    },
                    "radius_km": {
                      "default": 200,
                      "description": "Search radius in kilometers (1-2000). Default 200.",
                      "maximum": 2000,
                      "minimum": 1,
                      "type": "number"
                    },
                    "scheduled_service": {
                      "description": "When true, only commercial-service airports.",
                      "type": "boolean"
                    },
                    "type": {
                      "description": "Filter by airport type.",
                      "enum": [
                        "large_airport",
                        "medium_airport",
                        "small_airport",
                        "heliport",
                        "seaplane_base",
                        "balloonport",
                        "closed"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1782067076/bazaar-icons/58f7ba8f2b3b8047.png",
    "lastUpdated": "2026-10-25T14:25:38.974Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T14:25:38.75Z"
    },
    "resource": "https://2s.io/api/airport/near",
    "serviceName": "2s",
    "tags": [
      "public-records",
      "identifiers",
      "ai-agents",
      "us-gov-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Airports within a radius of a coordinate, sorted by distance. Query: lat (-90..90), lon (-180..180), radius_km (1-2000, default 200), limit (1-100, default 20), type (optional: large_airport|medium_airport|small_airport|heliport|seaplane_base|balloonport|closed), country (optional 2-letter ISO 3166-1), scheduled_service (optional bool, true = commercial-service airports only). Returns { query, count, airports: [{ id, ident, name, iataCode, icaoCode, type, latitude, longitude, distanceKm, ... }] }."
}

What the leaf hashes

{"body":"c073651392f1ac7a87e7cbf19f6f3487731f7d1efe68f127bdf784c61a258384","id":60279,"kind":"listing","method":"baseline/1","observed_us":1793025448215491,"prev":null,"subject":"x402_bazaar:https://2s.io/api/airport/near","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. 0x7079b92dae7b75dd5f65d86aa875b87485d45bbc1f847b624077f35ede27521b
2. 0x066bd82e2c2b53b80e1581a0697eec6283b98ad6ac982090b386d33cda95c20b
3. 0x575e1d6b051397bad62694d0169ad30295777f75309b326a99e678ae93ef2344
4. 0x419e1aa1af322c1cb8e0107b9fa4401081704852d2af0ab0e6b6c75bfbb69389
5. 0xa59bdc2644f3d2f376287e69a233c60fbf6bccec8db00081bc094442b90dd114
6. 0x42c667bda5ad790345dc5dbbb77947fb841a41dffc731ddce190f9ed21712589
7. 0x637423e9baf79fb8f5983c80c19614507ae9642236e34d8899d2b0b180b438ef
8. 0x03eba2f0befde58c94c66f2e768df4a8aa0568408d9b518b5856cdc863ed4bde
9. 0x32d4c61247489d4bffcd3bb78f5797a4c184b5cf7bd748c7188058b762f346c0
10. 0x3801dc224ee69349c6fe3a8804f83a6392c51dbf385196ccaca4e1bc01124391
11. 0x85ea4bbb5113622e4aa66d1805aad88594922ba95c70691ba980547dd9edd2b2
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae