Evidence row 1045517

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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "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": "2026-10-28T23:22:46.233Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T23:22:52.336Z"
    },
    "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":"0d912175fdbc39848f344ff2f6bf1db86f1bbd009b54edc28ecaceaa5ce73d68","id":1045517,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298793232169,"prev":60279,"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 2026-10-29 (242798 rows).

1. 0xd5aaed9220bedac394f7c0052ceed17de135af4bce48d8dfb44b6ef50cd942a7
2. 0xd34e3fe64739241bfe89659e26af3126bd528f13eded5415d968ec58c0438656
3. 0xdd345aab5821cef70f6b3605e8b6c2e7baeb208b81e51e63a0e2c7f29fa55d33
4. 0x15d366cf5299b9fccae8c3a9366544a47be00f24d0b61557695f4472a5e8fa0e
5. 0x0c3a6ca92e4f5d37f41660e51c5936152f6af9057a8219a20e9421afb2b2d82a
6. 0xe1449a3652f44fb71c46de8cc4c254d2bcebf3f8ce257ce7c014a62157b05d2a
7. 0x5640c2a5841619f568ca848de223e40e5d04060bd3c990b22597126077485fea
8. 0x44bbb32508eb74a6ddc3435f5db32d2fa4dfc27e392838b2c79899f5af971ba5
9. 0x20c1bb002a8f64da0233319ac524914a129938cc1776e83308bb543886a53634
10. 0x4af56cc30600a0cfc97fc19fae0f1882344ddb824bdaa2da7704c95c85316dfd
11. 0xef30b02708fa5f44a11d226f0d59310fe837f1af1e391254ea473f8cb11d3c83
12. 0x8111b8e842d177c62d5a5185b298850a167994d051a0ae51bb7c4e0353359cdf
13. 0xfe28e9e98d6dfa695fe78aeee74c827cd30eb7ca9245a239277f9fb4e1ff47a1
14. 0xc5f320d911e4e74a5ef306d3473fe072ea90372c9b9d8902795503f6d18cc307
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1