Evidence row 2201795

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://geo-calc.x402tookit.com/pluscode-encode"
    ]
  ],
  "name": "Geo Calc",
  "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": "Encode latitude/longitude as an Open Location Code (Plus Code) with its area bounds and a short local form.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lat": 47.36559,
              "length": 10,
              "lon": 8.524997
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T08:41:07.533Z",
              "bounds": {
                "east": 8.525,
                "north": 47.365625,
                "south": 47.3655,
                "west": 8.524875
              },
              "centerLat": 47.3655625,
              "centerLon": 8.5249375,
              "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.",
              "length": 10,
              "notChecked": [
                "whether the place has an address or a name",
                "a 10 digit code is about 14 m by 14 m; the point can be anywhere inside the area"
              ],
              "plusCode": "8FVC9G8F+6X",
              "reasons": [
                "Digits come from the 20-character alphabet 23456789CFGHJMPQRVWX in latitude/longitude pairs; digits 11 to 15 refine a 4 by 5 grid."
              ],
              "shortCode": "+6X",
              "source": "Open Location Code specification (Google, Apache-2.0), computed locally",
              "summary": "(47.36559, 8.524997) is Plus Code 8FVC9G8F+6X, locally +6X.",
              "verdict": "ENCODED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "lat": {
                      "description": "Latitude in degrees, -90 to 90",
                      "type": "number"
                    },
                    "length": {
                      "description": "Code digits: 2,4,6,8,10 (default),11,12,13,14,15",
                      "type": "integer"
                    },
                    "lon": {
                      "description": "Longitude in degrees, -180 to 180",
                      "type": "number"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "bounds": {
                      "properties": {
                        "east": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "north": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "south": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "west": {
                          "type": [
                            "null",
                            "number"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "centerLat": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "centerLon": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "length": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "plusCode": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "shortCode": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:25:28.449Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:25:28.305Z"
    },
    "resource": "https://geo-calc.x402tookit.com/pluscode-encode",
    "serviceName": "Geo Calc",
    "tags": [
      "plus-code",
      "olc",
      "geocoding",
      "coordinates"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Encode latitude/longitude as an Open Location Code (Plus Code) with its area bounds and a short local form."
}

What the leaf hashes

{"body":"0332d1cdb5422df4ca9686e07660ddc9b7c4f0bf698b604f1693b45f2d9b4484","id":2201795,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646808929834,"prev":null,"subject":"x402_bazaar:https://geo-calc.x402tookit.com/pluscode-encode","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. 0x50bd27dea59809b12221ccb83d8559937f0cf7bec01beb926ad26c5922a333f9
2. 0xcd7f27187b642fe7282b6312e2f0ed21a5b31eab1ec3ebba963a83953b41523e
3. 0x84d98bdbde9b42946b6d16d247310b82b22a78549d805857bb5139f1ce1c36a9
4. 0xbd14b8db8aa2c782b4bd8f326e673d3404859930b1dc2250e53fba90140bedfe
5. 0xd08f94f1d7dcd39115449ccff84073a3c4b7c616313f2573cbb6acdd6e2789b3
6. 0x5cd301d50c2ff0ab549f612fb10acb3536c2902187433dd60246c691c5085676
7. 0x4884992b36b9bb443f9f32825e03f434281e6a300cb7e1fabb6309695bd55f03
8. 0x94456b65efdfb21c399c8c8024c1331bb07d9b5efbd08e50a0a0f53f2e152c45
9. 0x458befb83b94dc59ae213db43157522fcab02c16c40fb3771b9ade325b1ba6a0
10. 0xe25393c83ae7a4d9eac48c9bd57f89eeb74855c41928d010888eb94f3b1158d4
11. 0xffaa649f3c394fc6a729f7e62fd70cc67baf7cac94b4346600e6beaa0c231876
12. 0x35f84c0e4e28cd4a63c3ad6490420fe24bf67bba5f080e714a71d6cb0d991695
13. 0x2f0e87a22fc6aaaa04d17a8f1c5dda340b8d3c208a1b8e26986aed7f54ec42a7
14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af