← The evidence ledger
Evidence row 2201360
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://space-objects.x402tookit.com/impact-risk-table
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 15d99d37c7fa45289ab50ed1c0dc267d3aa903877e306c6ec7dab61d959a4796
- Leaf
- 0x6a58c9fba6f67c857741688158bdbf4ddd3f61078898ab49428e8c5bf53a2296
What was observed
{
"endpoints": [
[
"x402",
"https://space-objects.x402tookit.com/impact-risk-table"
]
],
"name": "Space Objects",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
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"network": "eip155:8453",
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{
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"extra": {
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"transactionVersions": [
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{
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{
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"extra": {
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"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "JPL Sentry impact-monitoring objects above a Palermo-scale threshold: probability, Torino level, size and impact years.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 10,
"maxH": 24,
"minPalermo": -3
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T08:41:44.122Z",
"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.",
"maxH": 24,
"minPalermo": -3,
"notChecked": [
"objects JPL's Sentry does not list, including those tracked by ESA's NEOCC risk list",
"removed objects: Sentry drops objects once new data rules out impact",
"…2 more"
],
"objects": [
{
"absoluteMagnitudeH": 17.94,
"designation": "29075",
"diameterKm": 1.3,
"impactProbability": 0.0003633,
"impactSpeedKmS": 14.1,
"impactYears": "2880-2880",
"lastObservation": "2026-10-05",
"name": "29075 (1950 DA)",
"oneIn": 2753,
"palermoCumulative": -0.95,
"palermoMax": -0.95,
"potentialImpacts": 1,
"torinoMax": null
},
{
"absoluteMagnitudeH": 20.63,
"designation": "101955",
"diameterKm": 0.49,
"impactProbability": 0.000571699999999996,
"impactSpeedKmS": 5.99,
"impactYears": "2178-2290",
"lastObservation": "2020-10-3.80160",
"name": "101955 Bennu (1999 RQ36)",
"oneIn": 1749,
"palermoCumulative": -1.4,
"palermoMax": -1.58,
"potentialImpacts": 157,
"torinoMax": null
}
],
"reasons": [
"Every listed object has Torino level 0 (no unusual hazard).",
"A Palermo value below -2 means the risk is far below the background risk from all other objects of that size.",
"…1 more"
],
"returned": 4,
"source": "NASA JPL Solar System Dynamics",
"sourceUrl": "https://ssd-api.jpl.nasa.gov",
"summary": "4 Sentry object(s) with Palermo -3 or higher and H 24 or lower; 4 listed. Highest cumulative Palermo: 29075 (1950 DA) at -0.95 (Merits careful monitoring), impact probability 1 in 2,753.",
"totalMatches": 4,
"verdict": "OBJECTS_LISTED"
},
"type": "json"
}
},
"schema": {
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"type": "number"
},
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"type": "number"
}
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"notChecked": {
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"objects": {
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"diameterKm": {
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"impactProbability": {
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},
"impactSpeedKmS": {
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},
"impactYears": {
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},
"lastObservation": {
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},
"name": {
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},
"oneIn": {
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]
},
"palermoCumulative": {
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]
},
"palermoMax": {
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"null",
"number"
]
},
"potentialImpacts": {
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"returned": {
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"sourceUrl": {
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},
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"totalMatches": {
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},
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},
"lastUpdated": "2026-11-02T04:04:56.267Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:04:56.029Z"
},
"resource": "https://space-objects.x402tookit.com/impact-risk-table",
"serviceName": "Space Objects",
"tags": [
"asteroid",
"impact",
"sentry",
"risk",
"nasa"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "JPL Sentry impact-monitoring objects above a Palermo-scale threshold: probability, Torino level, size and impact years."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af