Evidence row 548433

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://vending-machine-seven.vercel.app/api/v/weather"
    ]
  ],
  "name": "vending-machine-seven.vercel.app/api/v/weather",
  "owner_address": "0xc648116b5debe4af7d78838aa468d07e0a9ab697",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xc648116b5deBE4AF7D78838AA468d07e0A9Ab697",
        "scheme": "exact"
      }
    ],
    "description": "Current temperature and wind for a city from Open-Meteo (live forecast data)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {},
            "queryParams": {
              "city": "Berlin"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "city": "Berlin",
              "current": {
                "temperature_2m": 18.2,
                "wind_speed_10m": 3.1
              },
              "ok": true,
              "service": "weather"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v/weather",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "city": {
                      "description": "City name, default London",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "city": {
                      "type": "string"
                    },
                    "current": {
                      "type": "object"
                    },
                    "ok": {
                      "type": "boolean"
                    },
                    "service": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T18:07:29.664Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T18:07:29.506Z"
    },
    "resource": "https://vending-machine-seven.vercel.app/api/v/weather",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current temperature and wind for a city from Open-Meteo (live forecast data)"
}

What the leaf hashes

{"body":"ef262ca1e0bcc91eed55b4943fdc9318de4356d614b0e39d9f5400959a335488","id":548433,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133304926975,"prev":453254,"subject":"x402_bazaar:https://vending-machine-seven.vercel.app/api/v/weather","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x2abe76776793d62b6a1ac785c3afd8d78cb8a64d59d6367a5ecfa9618b603744
2. 0x42286656119ebe00a814df26b6e6fa33312231f95b66b97bb622d25765c83b04
3. 0x754ce60c1827a04b041f90e8f682574239802915df0d23bfb5cfed1a44ac8abe
4. 0xf06545096b26ff860419e729062fc32ad565a9f67bf05d19e257cbd231d18645
5. 0xf363004b86721a2145d522aab3a259c665aef03827c683cb62df236b0e3b2f52
6. 0xf96e61b9717ae7230d04755fa9772ca8c477f1d7e8256ba836a0c10408663313
7. 0x9c0f634c69d5b3c3710862c7d9fbfa03aee6cbeb6135b0740c117d38c1f56110
8. 0x8616be81fbcfc893b6ec16f408dbf4100debfea75d27efdffe5ffbc9db8a514c
9. 0x1c83f5b6ae447deecc4ad51ddbce0a9e5d76703b4f7248094766f194bd5e4007
10. 0x4d8c0a652311a9beb5604c5c980355730cfe574dd0775e932e535b872742683b
11. 0xec8e4ccca73ad575591e2aae8a6d2bf4bfef826240c40728c9fc6d960b63ff0f
12. 0x7ba1b835277802a22a6f62a758420094404a75d3c14f34dd88b403fbf174b26b
13. 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4