← The evidence ledger
Evidence row 2201911
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://exoplanets-nasa.x402tookit.com/planet
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- affb71b027e457d7a95b0b486766ba709683fe13654b59d991cb4e7ed2bf2acd
- Leaf
- 0x182e707a2f795ed3c682e7b27ece95baf66c8197d53128ff96f8f8f383cb1319
What was observed
{
"endpoints": [
[
"x402",
"https://exoplanets-nasa.x402tookit.com/planet"
]
],
"name": "NASA Exoplanets",
"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": "Confirmed exoplanet by name: star, orbit, size, mass, temperature, discovery, Earth ratios and habitable-zone position.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"name": "TRAPPIST-1 e"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T08:48:47.866Z",
"controversial": false,
"degraded": false,
"densityGcc": 4.901605,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"discoveryFacility": "Multiple Observatories",
"discoveryMethod": "Transit",
"discoveryYear": 2017,
"distanceLightYears": 40.54,
"distanceParsecs": 12.42988881,
"earthRatios": {
"density": 0.8887,
"densityGcc": 4.9,
"escapeVelocityKmS": 9.701,
"escapeVelocityRatio": 0.8673,
"mass": 0.692,
"radius": 0.92,
"surfaceGravity": 0.8176
},
"eccentricity": 0.0051,
"equilibriumTempK": 249.7,
"habitableZone": {
"conservativeZoneAu": [
0.0256,
0.0508
],
"insolationEarth": 0.646,
"luminositySolar": 0.000553,
"luminositySource": "archive luminosity (log10 solar)",
"optimisticZoneAu": [
0.0194,
0.0528
],
"orbitAu": 0.02925,
"orbitSource": "archive semi-major axis",
"position": "INSIDE_CONSERVATIVE_ZONE",
"starTempInModelRange": false
},
"habitableZoneNote": null,
"host": "TRAPPIST-1",
"insolationEarth": 0.646,
"massEarth": 0.692,
"massIsMinimum": false,
"name": "TRAPPIST-1 e",
"notChecked": [
"planets the archive lists as not confirmed or retracted",
"the archive's other parameter sets for the same planet (this uses its composite best values)",
"…2 more"
],
"orbitalPeriodDays": 6.101013,
"radiusEarth": 0.92,
"reasons": [
"Orbit position against the Kopparapu 2013 habitable zone: INSIDE_CONSERVATIVE_ZONE.",
"Not flagged controversial by the archive.",
"…1 more"
],
"semiMajorAxisAu": 0.02925,
"sizeClass": "Earth-size",
"skyPosition": {
"decDeg": -5.0434618,
"raDeg": 346.6263919
},
"source": "NASA Exoplanet Archive (Caltech/IPAC)",
"sourceUrl": "https://exoplanetarchive.ipac.caltech.edu",
"star": {
"ageGyr": 7.6,
"luminosityLog10Solar": -3.25727,
"massSolar": 0.0898,
"metallicity": 0.052,
"name": "TRAPPIST-1",
"planetsInSystem": 7,
"radiusSolar": 0.1192,
"spectralType": "M8.0 V",
"starsInSystem": 1,
"temperatureK": 2566
},
"summary": "TRAPPIST-1 e orbits TRAPPIST-1, 40.5 light-years away: Earth-size, 0.92 Earth radii, 0.692 Earth masses, 6.101-day orbit, 249.7 K. Discovered 2017 by Transit.",
"transitDepthPercent": 0.5012,
"transitDetected": true,
"verdict": "PLANET_FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"name": {
"description": "Planet name, for example TRAPPIST-1 e, Kepler-442 b or Proxima Cen b",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"controversial": {
"type": [
"boolean",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"densityGcc": {
"type": [
"null",
"number"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"discoveryFacility": {
"type": [
"null",
"string"
]
},
"discoveryMethod": {
"type": [
"null",
"string"
]
},
"discoveryYear": {
"type": [
"null",
"number"
]
},
"distanceLightYears": {
"type": [
"null",
"number"
]
},
"distanceParsecs": {
"type": [
"null",
"number"
]
},
"earthRatios": {
"properties": {
"density": {
"type": [
"null",
"number"
]
},
"densityGcc": {
"type": [
"null",
"number"
]
},
"escapeVelocityKmS": {
"type": [
"null",
"number"
]
},
"escapeVelocityRatio": {
"type": [
"null",
"number"
]
},
"mass": {
"type": [
"null",
"number"
]
},
"radius": {
"type": [
"null",
"number"
]
},
"surfaceGravity": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"eccentricity": {
"type": [
"null",
"number"
]
},
"equilibriumTempK": {
"type": [
"null",
"number"
]
},
"habitableZone": {
"properties": {
"conservativeZoneAu": {
"items": {
"type": "number"
},
"type": [
"array",
"null"
]
},
"insolationEarth": {
"type": [
"null",
"number"
]
},
"luminositySolar": {
"type": [
"null",
"number"
]
},
"luminositySource": {
"type": [
"null",
"string"
]
},
"optimisticZoneAu": {
"items": {
"type": "number"
},
"type": [
"array",
"null"
]
},
"orbitAu": {
"type": [
"null",
"number"
]
},
"orbitSource": {
"type": [
"null",
"string"
]
},
"position": {
"type": [
"null",
"string"
]
},
"starTempInModelRange": {
"type": [
"boolean",
"null"
]
}
},
"type": [
"null",
"object"
]
},
"habitableZoneNote": {},
"host": {
"type": [
"null",
"string"
]
},
"insolationEarth": {
"type": [
"null",
"number"
]
},
"massEarth": {
"type": [
"null",
"number"
]
},
"massIsMinimum": {
"type": [
"boolean",
"null"
]
},
"name": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"orbitalPeriodDays": {
"type": [
"null",
"number"
]
},
"radiusEarth": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"semiMajorAxisAu": {
"type": [
"null",
"number"
]
},
"sizeClass": {
"type": [
"null",
"string"
]
},
"skyPosition": {
"properties": {
"decDeg": {
"type": [
"null",
"number"
]
},
"raDeg": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"star": {
"properties": {
"ageGyr": {
"type": [
"null",
"number"
]
},
"luminosityLog10Solar": {
"type": [
"null",
"number"
]
},
"massSolar": {
"type": [
"null",
"number"
]
},
"metallicity": {
"type": [
"null",
"number"
]
},
"name": {
"type": [
"null",
"string"
]
},
"planetsInSystem": {
"type": [
"null",
"number"
]
},
"radiusSolar": {
"type": [
"null",
"number"
]
},
"spectralType": {
"type": [
"null",
"string"
]
},
"starsInSystem": {
"type": [
"null",
"number"
]
},
"temperatureK": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"transitDepthPercent": {
"type": [
"null",
"number"
]
},
"transitDetected": {
"type": [
"boolean",
"null"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:53:26.554Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:53:26.382Z"
},
"resource": "https://exoplanets-nasa.x402tookit.com/planet",
"serviceName": "NASA Exoplanets",
"tags": [
"exoplanet",
"nasa",
"planet",
"astronomy",
"star"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Confirmed exoplanet by name: star, orbit, size, mass, temperature, discovery, Earth ratios and habitable-zone position."
}What the leaf hashes
{"body":"affb71b027e457d7a95b0b486766ba709683fe13654b59d991cb4e7ed2bf2acd","id":2201911,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810168528,"prev":null,"subject":"x402_bazaar:https://exoplanets-nasa.x402tookit.com/planet","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x182e7f5e93583a81230adb4e2e0e29d48836e702a5f54ec9b91b2d5cc0c65b35
- 0x6a235b40a5a9608b2ec68844b8acc084fd1fd84f126d523ca7148ac0fe877246
- 0x656649a473e8b458126a77601fd2994adbbb6e778944876fc627934ecbe6919d
- 0x29d48f2fe824b7d90ea6e830922348677847cf7969be7948f6c7411a1e42fa62
- 0x97c85650cfdb2b9d375f42a12acacbfeef90c03e8b002d483f476b1c47d87be5
- 0xc4fd525eb59110164c08b01421e38e1b8fb2480caf7fbcf40aea747ba8969250
- 0xa1728228f391bc4df6f9e5b412303b654b9fdb061e66d29331a43e38916ef6aa
- 0x2dc5481243c102d464b128fbd2d5c613bc9b73c3ec908a49ab59a8c3c48a0b23
- 0x687641cada36f678d5afaadee8ae18d9b06e6ef812d74d7de9ac6c090e6d973c
- 0x4a2327dbdb3e4eb2c130706884c1ecdd708202d6d911935779c207717aa3d11f
- 0x9b56ef171652ab82e27da53298facb229ca491e296d82bd62f0e1e6f5354760c
- 0x1dc8ba8f08085ecc6abc940de99fd78b8c8285acc2d6e3ac9b076bf78b1fc1bb
- 0x3c6bb4ee00210310afea4db77a3d5e14b8fbfec0b426541034734f028665bbb4
- 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
- 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
- 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af