← The evidence ledger
Evidence row 2201318
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://site-climate.x402tookit.com/altitude-effects
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 926a82bc2289be5583908816f64b140b9e10da04b68b49f2cccf68a7ac6ef827
- Leaf
- 0x3b893630b883631990bde22d79eb35b73fdf6b43a674cdd05dd987470bc75632
What was observed
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"raw": {
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],
"description": "Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level.",
"extensions": {
"bazaar": {
"info": {
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"queryParams": {
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"lon": -104.99
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"airDensityKgM3": 1.048,
"asOf": "2026-10-11T14:45:34.338Z",
"attribution": "Data: NASA Langley Research Center POWER Project (power.larc.nasa.gov), funded through the NASA Earth Science Directorate Applied Science Program.",
"boilingPointWaterC": 94.71,
"boilingPointWaterF": 202.5,
"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.",
"elevationFt": 5236,
"elevationM": 1595.9,
"elevationSource": "USGS 3DEP point query",
"isaTemperatureC": 4.627,
"latitude": 39.74,
"longitude": -104.99,
"nasaGridElevationM": 2095,
"notChecked": [
"weather: real pressure moves a few percent with the weather, and the boiling point with it",
"ground elevation outside the United States: there the figure is the average height of a roughly 50 km NASA grid cell, which can be hundreds of metres off in mountains",
"…2 more"
],
"oxygenAvailabilityPct": 82,
"pressureKpa": 83.57,
"reasons": [
"Data: NASA Langley Research Center POWER Project (power.larc.nasa.gov), funded through the NASA Earth Science Directorate Applied Science Program.",
"Elevation from the USGS 3D Elevation Program point service (US public-domain data).",
"…1 more"
],
"source": "NASA POWER and USGS 3DEP",
"sourceUrl": "https://power.larc.nasa.gov/",
"summary": "Elevation about 1596 m (USGS terrain model): pressure 83.6 kPa (82% of sea level), water boils near 94.7 C, air density 1.048 kg/m3.",
"verdict": "COMPUTED"
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"lastUpdated": "2026-11-02T04:05:50.878Z",
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"lastCalledAt": "2026-11-02T04:05:50.646Z"
},
"resource": "https://site-climate.x402tookit.com/altitude-effects",
"serviceName": "Site Climate",
"tags": [
"elevation",
"altitude",
"pressure",
"boiling-point"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level."
}What the leaf hashes
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- Day root
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- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af