← The evidence ledger
Evidence row 2201358
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://space-objects.x402tookit.com/orbital-period
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3e9d2f1ac21d993e4bddc610e103c5224bba4e582f5199aa876dd925360321e5
- Leaf
- 0x16f22e3d7a2be01e427dec08ded9f262ce03b0409bc28047743ec2b7b4f01b63
What was observed
{
"endpoints": [
[
"x402",
"https://space-objects.x402tookit.com/orbital-period"
]
],
"name": "Space Objects",
"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": "Orbital period from semi-major axis via Kepler's third law, with perihelion, aphelion and speeds when eccentricity is given.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"eccentricity": 0.223,
"semiMajorAxisAu": 1.458
},
"type": "http"
},
"output": {
"example": {
"aphelionAu": 1.7831,
"asOf": "2026-10-11T08:41:44.646Z",
"centralMassSolar": 1,
"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.",
"eccentricity": 0.223,
"formula": "T(years)^2 = a(au)^3 / M(solar masses); year = 365.25 days",
"meanDistanceNote": "Speeds use the vis-viva equation.",
"meanMotionDegPerDay": 0.55986,
"notChecked": [
"perturbations by planets (real periods drift slightly)",
"the mass of the orbiting body, which is negligible for asteroids and comets",
"…1 more"
],
"perihelionAu": 1.1329,
"periodDays": 643.023,
"periodYears": 1.7605,
"reasons": [
"Kepler's third law with a Julian year of 365.25 days; accurate to better than 0.1% for solar orbits."
],
"semiMajorAxisAu": 1.458,
"source": "computed locally",
"speedAtAphelionKmS": 19.66,
"speedAtPerihelionKmS": 30.95,
"summary": "Semi-major axis 1.458 au gives an orbital period of 1.761 years (643 days). Perihelion 1.133 au (30.9 km/s), aphelion 1.783 au (19.7 km/s).",
"verdict": "COMPUTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"centralMassSolar": {
"description": "Central mass in solar masses, 0.01 to 100 (default 1, the Sun)",
"type": "number"
},
"eccentricity": {
"description": "Eccentricity 0 to 0.99, to also get perihelion, aphelion and speeds",
"type": "number"
},
"semiMajorAxisAu": {
"description": "Semi-major axis in AU, 0.01 to 10000",
"type": "number"
}
},
"required": [
"semiMajorAxisAu"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"aphelionAu": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"centralMassSolar": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"eccentricity": {
"type": [
"null",
"number"
]
},
"formula": {
"type": [
"null",
"string"
]
},
"meanDistanceNote": {
"type": [
"null",
"string"
]
},
"meanMotionDegPerDay": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"perihelionAu": {
"type": [
"null",
"number"
]
},
"periodDays": {
"type": [
"null",
"number"
]
},
"periodYears": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"semiMajorAxisAu": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"speedAtAphelionKmS": {
"type": [
"null",
"number"
]
},
"speedAtPerihelionKmS": {
"type": [
"null",
"number"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T04:04:59.117Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:04:58.955Z"
},
"resource": "https://space-objects.x402tookit.com/orbital-period",
"serviceName": "Space Objects",
"tags": [
"orbit",
"kepler",
"astronomy",
"asteroid",
"calculator"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Orbital period from semi-major axis via Kepler's third law, with perihelion, aphelion and speeds when eccentricity is given."
}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