Evidence row 2201280

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://geo-calc.x402tookit.com/geohash-neighbors"
    ]
  ],
  "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": "The eight adjacent geohash cells (N, NE, E, SE, S, SW, W, NW) for a geohash, wrapping at 180 degrees longitude.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "geohash": "ezs42"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T08:41:07.013Z",
              "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.",
              "geohash": "ezs42",
              "missingDirections": [],
              "neighbors": {
                "e": "ezs43",
                "n": "ezs48",
                "ne": "ezs49",
                "nw": "ezefx",
                "s": "ezs40",
                "se": "ezs41",
                "sw": "ezefp",
                "w": "ezefr"
              },
              "notChecked": [
                "search radius coverage: a point near a cell edge can be closer to a neighbour's points than to its own cell's, so search the cell plus all eight neighbours"
              ],
              "reasons": [
                "A cell on the north or south edge of the world has no cell beyond the pole (returned as null).",
                "East-west neighbours wrap across the 180 degree meridian."
              ],
              "source": "Geohash algorithm (G. Niemeyer, public domain), computed locally",
              "summary": "Geohash ezs42 has eight neighbours.",
              "valid": true,
              "verdict": "NEIGHBORS"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "geohash": {
                      "description": "Geohash, 1 to 12 characters",
                      "type": "string"
                    }
                  },
                  "required": [
                    "geohash"
                  ],
                  "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"
                      ]
                    },
                    "geohash": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "missingDirections": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "neighbors": {
                      "properties": {
                        "e": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "n": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "ne": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "nw": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "s": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "se": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "sw": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "w": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "valid": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:06:36.585Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:06:36.429Z"
    },
    "resource": "https://geo-calc.x402tookit.com/geohash-neighbors",
    "serviceName": "Geo Calc",
    "tags": [
      "geohash",
      "proximity",
      "coordinates"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The eight adjacent geohash cells (N, NE, E, SE, S, SW, W, NW) for a geohash, wrapping at 180 degrees longitude."
}

What the leaf hashes

{"body":"257f60e9cf5e1118cf978ae1fd5a10873b3544ddd5252d856e2858c967e84cf8","id":2201280,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646803158716,"prev":null,"subject":"x402_bazaar:https://geo-calc.x402tookit.com/geohash-neighbors","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. 0x7744e12c09b4f071f4fc825c8be9975bfaef928cc29cbe2c4af6c7276b0f9fcf
2. 0x8c343aca395d21f56c272b29b42f1b70b7a916ccdafd8aec67be6d5d5f84dbab
3. 0x2deadf82ec0b7e6fb9408b6f998d70a274e302a4e342033bdc92207eb0812307
4. 0x9dd0449e86de7d25d5bed3bdd9f7b66864f8e3da3fc64ae1901f583b2e7980d0
5. 0x9648f3c5381cfd18fcb00e56186aa4f573d8bbad9e7f5d121d628b1c3aff7dee
6. 0x6560d79c55eb2ff4d4e480c897a6bc8c95e59cd7c0a46707ff4a8688d7ed2c57
7. 0x48ceda25554e9dcafa837223f65b30fa33f4acd5e2cf61a1d2d0f9da0561b71d
8. 0x94a814e29f778a0a4076bbf0bdca7940c92fae5aa8780a852b9d35fee2a94f12
9. 0xc565ceaa738c17497658042d06b5ba15081dc9f48ab888614ff1b059e9c4bf2c
10. 0x6d96b7791c0be0527d85af171e75f1166cc2497f7d18cb992d31138b7bdd235d
11. 0x2e25066af4f5a5dbd94f11f425e18ef66439772052e96134eed9b75fae658c7d
12. 0xbe5fee1429543a8ea2aacf3591e5b69c6a6b1568088eb7a4e6b02ded16c5d3e5
13. 0x98c0b976487311f03693fca7825f5f6e75a71ea33ac90caf33040d5eaa6d0b54
14. 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af