Evidence row 125478

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-service-production-e242.up.railway.app/earthquake-risk"
    ]
  ],
  "name": "x402-service-production-e242.up.railway.app/earthquake-risk",
  "owner_address": "0x3fe8f0e7026c0574fdce0cd79e26cf11255525ab",
  "raw": {
    "accepts": [
      {
        "amount": "250000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4JVizZAF12UxgMF1Fi1nqcrfBhuuCpHiRM7o9FFfeGdc",
        "scheme": "exact"
      },
      {
        "amount": "250000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x3FE8F0e7026c0574fdCe0cD79E26Cf11255525aB",
        "scheme": "exact"
      }
    ],
    "description": "USGS earthquake hazard and historical activity lookup by street address or lat/lon coordinates.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "hazard": {},
              "historicalActivity": [],
              "notes": [
                "Hazard values are modeled/probabilistic, not a guarantee of future activity.",
                "Site-specific soil/liquefaction risk is not covered by this data."
              ],
              "query": {
                "address": null,
                "lat": 37.7749,
                "lon": -122.4194
              },
              "resolvedAddress": null,
              "source": "USGS Earthquake Hazards Program (Seismic Design Maps + FDSN Event Web Service)"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Street address (alternative to lat/lon)",
                      "type": "string"
                    },
                    "lat": {
                      "description": "Latitude (alternative to address)",
                      "type": "number"
                    },
                    "lon": {
                      "description": "Longitude (alternative to address)",
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-23T02:32:16.507Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T02:32:16.387Z"
    },
    "resource": "https://x402-service-production-e242.up.railway.app/earthquake-risk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "USGS earthquake hazard and historical activity lookup by street address or lat/lon coordinates."
}

What the leaf hashes

{"body":"86cc8fb1e3ebab3c9bc2d54c5d4a662dbddb13a6e69a99b6cfb152b8625ea17a","id":125478,"kind":"listing","method":"baseline/1","observed_us":1793025626365871,"prev":null,"subject":"x402_bazaar:https://x402-service-production-e242.up.railway.app/earthquake-risk","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xc0836009556188cab5b1b3458361cec49ccffc1119763b2721df72d91786b33c
2. 0x3bd8f1dcccacbfd3d8d67b1371025d215fb7ed8be5f09c9f8c60d2db298885c3
3. 0x8a591b20bffed74c40ce38ca36a3828c0d966d74ebd2a61a9262508778bb5a64
4. 0xfe736a31260985b4713d5d5c4e232469bb0c0a5126bebc5af1919a6008ec725b
5. 0x1d2aa0096e2ec182a8f23bb0bd33341d19f77062ad49075c3513e1f5d90cbbab
6. 0xac37df36a31a98d96501b38b493f440ccaab63c1b8a9f84bbc90d785467f2dfb
7. 0x254861ca77c7b2b3defbea7e2210a8a44a469cc3ba6942e0e07d208a8cd9dcf6
8. 0xd37340f1b1301d529845c282e3c8b82d559485270f3ef1b2970a1fbdf7da1ca8
9. 0x0a81f10f7313b4a6fa9317dd0e554bee65423e60826e4aceb124208492ba5ad9
10. 0x343d0268ee761fc75a6a2e122bfc9b5163976d93349116a894c382a544ac7916
11. 0x1ee01b339a84463f4b1d9b89cf58bd877e8b7f91bd1aa7bb362bc554f4a1cae7
12. 0xc520305226daa0caf1c2416854f726ec072c950c1903497b2a1e88b0c6f406da
13. 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae