Evidence row 2201616

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://marine-conditions.x402tookit.com/sea-state"
    ]
  ],
  "name": "Marine Conditions",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Beaufort wind force and Douglas sea state from a wind speed and wave height, with plain-language descriptions of sea conditions.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "wave": 4,
              "waveUnit": "m",
              "wind": 30,
              "windUnit": "kt"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T01:09:40.986Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "notChecked": [
                "gusts, swell period or wave steepness",
                "forecast or advisory status",
                "…1 more"
              ],
              "reasons": [
                "Scales describe open water; small boats feel conditions one or two categories worse in steep, short-period seas."
              ],
              "source": "computed locally",
              "summary": "Beaufort 7 (Near gale); Douglas sea state 5 (Rough).",
              "verdict": "CLASSIFIED",
              "waves": {
                "douglasSeaState": 5,
                "inputMeters": 4,
                "meterRange": "2.5 to 4",
                "name": "Rough"
              },
              "wind": {
                "beaufortForce": 7,
                "inputKnots": 30,
                "knotsRange": "28 to 33",
                "name": "Near gale",
                "seaDescription": "Sea heaps up; white foam blown in streaks."
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "wave": {
                      "description": "Significant wave height",
                      "type": "number"
                    },
                    "waveUnit": {
                      "description": "m (default) or ft",
                      "type": "string"
                    },
                    "wind": {
                      "description": "Wind speed",
                      "type": "number"
                    },
                    "windUnit": {
                      "description": "kt (default), mph, kmh or ms",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "waves": {
                      "properties": {
                        "douglasSeaState": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "inputMeters": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "meterRange": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "name": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "wind": {
                      "properties": {
                        "beaufortForce": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "inputKnots": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "knotsRange": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "name": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "seaDescription": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:36:13.141Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:36:12.847Z"
    },
    "resource": "https://marine-conditions.x402tookit.com/sea-state",
    "serviceName": "Marine Conditions",
    "tags": [
      "beaufort",
      "sea-state",
      "marine",
      "wind"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Beaufort wind force and Douglas sea state from a wind speed and wave height, with plain-language descriptions of sea conditions."
}

What the leaf hashes

{"body":"d7c21ad2b6fff2fb8e435557d67752660397f2d368c0eb35b45fe3089e362c88","id":2201616,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646806910331,"prev":null,"subject":"x402_bazaar:https://marine-conditions.x402tookit.com/sea-state","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xd1689d0bb4443fed02fe6521d51d38befb8695d551c4ac7f99be31708b360900
2. 0x3665ca43ca334686d3c455a609cc9f2b7c4e36f6b0a78a08df1a3427d95d4dfd
3. 0x983c7a7f919effd36a8724d9fb97278f7443681e3beebec2bcbbdd94d525668e
4. 0x2ac0fd3592577920a7f51325c936b4e12f3171447fef46f8b53c3c9a43f40815
5. 0xe3d4d26d2140cbe5be2b7f20edb7c9c88a4c76dc5af1e72a21c7a966f69fbaf2
6. 0xbf8df973ae369807730a466732d266edc25d2eaea37127b02918e1343a1a9bae
7. 0x6312dfac083e703cfc0de2adff14fc59cc269f60ce3be7f8ffa0bc5d4af6f50a
8. 0x7968a1eacfcf5e54195602f4cd90ba97d4be58fa47706295f7463da71a398425
9. 0x1e99a38b3d54c14de9e01fba80c4af83d0d76e615a8628e8dd6e495db6eddcd1
10. 0x0499a1145705cf70f68a7199155abf744cb544eaeca523c08f87b84b0608b83c
11. 0x0043fd7dbf6bf66daab92f06b0041e49f59aedc5e76df4e49e1f8f1f73ff1074
12. 0x6c6cb72d745b4a8ad150be4760c8154b49f6ad35e9d44abb2daa660451d19280
13. 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af