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Evidence row 117697

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://opendata402.com/v1/earthquakes
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
edb42963901d3dc3aaaa3c2baacc7dbb2e3c7a0da69c7ef57130cc39b338e05b
Leaf
0x33cf4fcdb97f7468a381ac74987debf86c8378c88b0a47f05d2fd7dc46f0e18e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://opendata402.com/v1/earthquakes"
    ]
  ],
  "name": "opendata402",
  "owner_address": "0x295aa6c5a3460a0f8755823c8ee7bbc7caf79fb1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:8453",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:137",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 30,
        "network": "eip155:42161",
        "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1",
        "scheme": "exact"
      }
    ],
    "description": "Recent earthquakes worldwide from the USGS real-time feeds: time, magnitude, place, depth, coordinates, tsunami flag and alert level. Filter by period (hour, day, week, month) and minimum magnitude class (significant, 4.5, 2.5, 1.0, all). Use it for hazard monitoring, travel or logistics checks and news context. Updated every few minutes.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "minmag": "4.5",
              "period": "day"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "quakes": [
                {
                  "alert": null,
                  "depth_km": 35.2,
                  "lat": -21.3,
                  "lon": -175.1,
                  "mag": 5.1,
                  "place": "120 km S of Tonga",
                  "time": "2026-10-14T03:12:45Z",
                  "tsunami": false
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "minmag": {
                      "description": "Magnitude class (default 4.5).",
                      "enum": [
                        "significant",
                        "4.5",
                        "2.5",
                        "1.0",
                        "all"
                      ],
                      "type": "string"
                    },
                    "period": {
                      "description": "Time window (default day).",
                      "enum": [
                        "hour",
                        "day",
                        "week",
                        "month"
                      ],
                      "type": "string"
                    }
                  },
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-25T22:02:35.633Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T22:02:35.303Z"
    },
    "resource": "https://opendata402.com/v1/earthquakes",
    "serviceName": "opendata402",
    "tags": [
      "earthquakes",
      "seismic",
      "usgs",
      "hazards",
      "geo"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Recent earthquakes worldwide from the USGS real-time feeds: time, magnitude, place, depth, coordinates, tsunami flag and alert level. Filter by period (hour, day, week, month) and minimum magnitude class (significant, 4.5, 2.5, 1.0, all). Use it for hazard monitoring, travel or logistics checks and news context. Updated every few minutes."
}

What the leaf hashes

{"body":"edb42963901d3dc3aaaa3c2baacc7dbb2e3c7a0da69c7ef57130cc39b338e05b","id":117697,"kind":"listing","method":"baseline/1","observed_us":1793025611793699,"prev":null,"subject":"x402_bazaar:https://opendata402.com/v1/earthquakes","subject_kind":"source_record"}

Proof

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

  1. 0x33cf47fb4e04736bd8085fbdda6eb6f74c87f9c5814bb9004f78e73f965362b5
  2. 0x54019928675c3d7e7a85f35c8667aacd1833d2334f61f90bc6123ab9f7b40ea4
  3. 0x7559ed02b69dbe868b572a5f37063a4571199d3968a84792111d21f99f5d4bdd
  4. 0x26c81e48ad3238118f8d016facef4d1dbf149d03a466e8075a320c8721a8cbbd
  5. 0xffab26f1a86a3a3c3982500d48d1caf876981ec7edfbef3a6157f73765898485
  6. 0xe725897b3f5f4e39b1e477d7b3b2c2db3ffd9d6371196c77b3737bb38a2f44bf
  7. 0xf56386345b8a772b46652d851ad4514d0a11c6ae2eeb83ab8bdbe4036116f9f4
  8. 0x7deb41dfce0d27827758358783e793ea22e15a1cc7b6c30730a7aebedf17f929
  9. 0xdc523b9e61ffd244a497361cd5402a75eaf83c7e318d79293ad63bd6bc9f06a6
  10. 0xcc3de2228ca9f90722824aeb1f6740dce363ec54f1223a4bfc96d012376efbc0
  11. 0x25f1494b636c5e3c47bd014c16b8f4b5df5a8fb62efdc32979420416a8736679
  12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
  13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
  14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON