← The evidence ledger
Evidence row 77224
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://loonie-toll.onrender.com/quakes
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4175c9c5e28626dafdbae32e1a20ded1c20ce223cbe605979b5e86784a807995
- Leaf
- 0x4b5bbd38667cc3e77ff2df55ae4fcdbc6a9f9ddd7acaca0ba5a5720e9a854b7b
What was observed
{
"endpoints": [
[
"x402",
"https://loonie-toll.onrender.com/quakes"
]
],
"name": "ClearCheck",
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"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": "Recent earthquakes near a point: count, strongest, closest, and whether anything was significant enough to matter.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": 30,
"lat": 34.05,
"lon": -118.24,
"radiusKm": 200
},
"type": "http"
},
"output": {
"example": {
"closest": {
"at": "2026-09-12T11:32:19.100Z",
"depthKm": 19.44,
"distanceKm": 14,
"feltReports": 23,
"magnitude": 2.65,
"place": "4 km E of Lennox, CA",
"significance": 115,
"tsunamiFlag": false,
"url": "https://earthquake.usgs.gov/earthquakes/eventpage/ci41545920"
},
"counts": {
"magnitude4Plus": 0,
"magnitude5Plus": 0,
"total": 14
},
"disclaimer": "Advisory only, provided as is without warranty of accuracy or completeness. Seismic data is preliminary and revised over time. Not a substitute for professional seismic hazard assessment. Not affiliat…",
"events": [
{
"at": "2026-08-19T07:31:35.950Z",
"depthKm": 4.73,
"distanceKm": 163,
"feltReports": 165,
"magnitude": 3.64,
"place": "14 km N of Warner Springs, CA",
"significance": 260,
"tsunamiFlag": false,
"url": "https://earthquake.usgs.gov/earthquakes/eventpage/ci41529896"
},
{
"at": "2026-09-12T11:13:58.630Z",
"depthKm": 10.68,
"distanceKm": 89,
"feltReports": 8,
"magnitude": 3.31,
"place": "26 km ESE of Avalon, CA",
"significance": 170,
"tsunamiFlag": false,
"url": "https://earthquake.usgs.gov/earthquakes/eventpage/ci41545880"
}
],
"query": {
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"lat": 34.05,
"lon": -118.24,
"minMagnitude": 2.5,
"radiusKm": 200
},
"reasons": [
"14 event(s), strongest magnitude 3.64. Routine background seismicity."
],
"retrievedAt": "2026-09-17T16:24:35.742Z",
"source": "USGS Earthquake Hazards Program (FDSN event service)",
"strongest": {
"at": "2026-08-19T07:31:35.950Z",
"depthKm": 4.73,
"distanceKm": 163,
"feltReports": 165,
"magnitude": 3.64,
"place": "14 km N of Warner Springs, CA",
"significance": 260,
"tsunamiFlag": false,
"url": "https://earthquake.usgs.gov/earthquakes/eventpage/ci41529896"
},
"verdict": "QUIET"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
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"type": "integer"
},
"lat": {
"description": "Latitude, decimal degrees",
"type": "number"
},
"lon": {
"description": "Longitude, decimal degrees",
"type": "number"
},
"minMagnitude": {
"description": "Minimum magnitude, default 2.5",
"type": "number"
},
"radiusKm": {
"description": "Search radius in km, default 200",
"type": "integer"
}
},
"required": [
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"lon"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
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"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
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"properties": {
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"string"
]
},
"depthKm": {
"type": [
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"number"
]
},
"distanceKm": {
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"number"
]
},
"feltReports": {
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"number"
]
},
"magnitude": {
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},
"place": {
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]
},
"significance": {
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"null",
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]
},
"tsunamiFlag": {
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"null"
]
},
"url": {
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]
}
},
"type": [
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]
},
"counts": {
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},
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},
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},
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},
"significance": {
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"tsunamiFlag": {
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},
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}
},
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"type": [
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]
},
"query": {
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"null",
"number"
]
},
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
},
"minMagnitude": {
"type": [
"null",
"number"
]
},
"radiusKm": {
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"number"
]
}
},
"type": [
"null",
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]
},
"reasons": {
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},
"type": [
"array",
"null"
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},
"retrievedAt": {
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]
},
"source": {
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"string"
]
},
"strongest": {
"properties": {
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]
},
"depthKm": {
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]
},
"distanceKm": {
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"null",
"number"
]
},
"feltReports": {
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"null",
"number"
]
},
"magnitude": {
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"number"
]
},
"place": {
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"null",
"string"
]
},
"significance": {
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"null",
"number"
]
},
"tsunamiFlag": {
"type": [
"boolean",
"null"
]
},
"url": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-17T01:18:45.597Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-17T01:18:45.305Z"
},
"resource": "https://loonie-toll.onrender.com/quakes",
"serviceName": "ClearCheck",
"tags": [
"government-data",
"compliance",
"verification",
"public-records",
"risk-screening"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Recent earthquakes near a point: count, strongest, closest, and whether anything was significant enough to matter."
}What the leaf hashes
{"body":"4175c9c5e28626dafdbae32e1a20ded1c20ce223cbe605979b5e86784a807995","id":77224,"kind":"listing","method":"baseline/1","observed_us":1793025493483198,"prev":null,"subject":"x402_bazaar:https://loonie-toll.onrender.com/quakes","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).
- 0x4b5b609af169cbdcf5ba24b226f01874b3ff22e8ec548fa27acf51bfbf31e3e6
- 0xd5b2367a43a308ec671a81333a196a1af89ffaadf987cbf1206777ef593463d8
- 0x147572ee326b07f2b4d5e2866581a0bc2703e9742885cf310a728775d6f89425
- 0x0944c629fed4a73a08253a77f7f3dc249d65fde0678bd2fee5447b92efae3a18
- 0xb2309671d573c5e4961b2233c8aa0cd89a84c6259ee1b206651c5fcf028e5897
- 0xa5ab113c0985dc1134e9975ce12d66c043e46db3bd1a11a62d5899137626a7cd
- 0xd50646b0d09b80f797c64176ba2ef6de5165d8e5d11563243d60e571e1034567
- 0x5ff4629588e8b2fa72cd3a21e061c74c82ac2bbe110700737e468f5af264c1cc
- 0xd9fec419854781c01bc6e04adf75047f7cdd30a00e0f64681ee0aa692f103a7f
- 0x77906d5c968e333ccf1fa753ad433ddd2f73cdae1a77e40d7dd214cccca89aa2
- 0x401a323dfcffdb4ec1a75537dabf1f5c7403e6d01d2965f0f6eba13263cf7c64
- 0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
- 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae