← The evidence ledger
Evidence row 2202240
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://aviation-calc.x402tookit.com/glide-ratio
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e2c2aae9d18e5ae05a630e94f814d6b4fa32cc3eb8dda52849a503198b505760
- Leaf
- 0x4ae39a8405ff921878765dbc6b1621ec9084df6df8e7b2c63ce3c75acd1e6ae8
What was observed
{
"endpoints": [
[
"x402",
"https://aviation-calc.x402tookit.com/glide-ratio"
]
],
"name": "Aviation Calculators",
"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": "Glide distance, time and sink rate from altitude above ground, glide ratio and best-glide speed, with headwind or tailwind.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"altitudeAglFt": 5000,
"glideRatio": 9,
"glideSpeedKt": 65,
"headwindKt": 20
},
"type": "http"
},
"output": {
"example": {
"altitudeAglFt": 5000,
"asOf": "2026-10-11T14:44:08.322Z",
"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.",
"effectiveGroundGlideRatio": 6.23,
"glideDistanceFtStillAir": 45000,
"glideDistanceKmStillAir": 13.72,
"glideDistanceNmStillAir": 7.41,
"glideDistanceNmWithWind": 5.13,
"glideDistanceStatuteMilesStillAir": 8.52,
"glideRatio": 9,
"glideSpeedKt": 65,
"glideTimeMin": 6.84,
"groundspeedKt": 45,
"headwindKt": 20,
"notChecked": [
"real glide performance: the published ratio holds only at best-glide speed with a feathered or stopped propeller and clean configuration; wind, turns, turbulence, sink and weight change it a lot",
"the time to set up, troubleshoot and choose a field: allow height for the pattern and landing",
"…2 more"
],
"reasons": [
"Distance = height x glide ratio; sink rate = true airspeed / glide ratio; with wind, ground distance scales by groundspeed / airspeed.",
"1 knot = 101.27 ft/min; 1 nm = 6076.1 ft."
],
"sinkRateFpm": 731,
"source": "computed locally",
"summary": "From 5000 ft at 9:1 the aircraft glides 7.4 nm (13.7 km) in still air. Sink rate 731 ft/min, 6.8 minutes aloft; with a 20 kt headwind the groundspeed is 45 kt and the distance 5.1 nm.",
"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": {
"altitudeAglFt": {
"description": "Height above the ground in feet, 100 to 60000",
"type": "number"
},
"glideRatio": {
"description": "Lift-to-drag glide ratio, for example 9 for 9 to 1 (a light single is about 9, a sailplane 30 to 60)",
"type": "number"
},
"glideSpeedKt": {
"description": "True airspeed at best glide in knots, 20 to 300, for time, sink rate and wind",
"type": "number"
},
"headwindKt": {
"description": "Headwind in knots, negative for a tailwind, -100 to 100 (needs glideSpeedKt)",
"type": "number"
}
},
"required": [
"altitudeAglFt",
"glideRatio"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"altitudeAglFt": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"effectiveGroundGlideRatio": {
"type": [
"null",
"number"
]
},
"glideDistanceFtStillAir": {
"type": [
"null",
"number"
]
},
"glideDistanceKmStillAir": {
"type": [
"null",
"number"
]
},
"glideDistanceNmStillAir": {
"type": [
"null",
"number"
]
},
"glideDistanceNmWithWind": {
"type": [
"null",
"number"
]
},
"glideDistanceStatuteMilesStillAir": {
"type": [
"null",
"number"
]
},
"glideRatio": {
"type": [
"null",
"number"
]
},
"glideSpeedKt": {
"type": [
"null",
"number"
]
},
"glideTimeMin": {
"type": [
"null",
"number"
]
},
"groundspeedKt": {
"type": [
"null",
"number"
]
},
"headwindKt": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"sinkRateFpm": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:37:37.918Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:37:37.669Z"
},
"resource": "https://aviation-calc.x402tookit.com/glide-ratio",
"serviceName": "Aviation Calculators",
"tags": [
"aviation",
"glide",
"engine-out",
"performance",
"calculator"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Glide distance, time and sink rate from altitude above ground, glide ratio and best-glide speed, with headwind or tailwind."
}What the leaf hashes
{"body":"e2c2aae9d18e5ae05a630e94f814d6b4fa32cc3eb8dda52849a503198b505760","id":2202240,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646814703046,"prev":null,"subject":"x402_bazaar:https://aviation-calc.x402tookit.com/glide-ratio","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).
- 0x4ae3e3ee02d47d2670d8fbfa74f859c96bd754e475223da415a50ef8ca26a730
- 0x4d04dd70034c937b35b436c7ac5ab36139bd55a444cc7efb0d4a99427e87f74b
- 0x3b99d321a1990cbb386939969c22c3d48878bfe3b0dc3900fe6810aad58aee18
- 0xb99a1858ee1c2c74f99886ccb150ed71875bb98b4da6b8ce200586090fbe1db8
- 0x8bb8890adab650a814634c8f8f86650edabda8d993f114ddf45b00d64220b9e7
- 0xe01c4840fe5c71c2fa015881520c58c99bf04c81752f52214bbb334f0652c2e9
- 0xb1b7c5ff2c276760618a586e3dbdb1cff19e9fb3b3e859732d0cd2eeb0388469
- 0x04945f3a7ef429541232a4f42cf597faceae82f79501bc1bd56899a3d05c6ee0
- 0x63d18c21a2d6e6a8efc62b87643605580ab3898bd10b19aa2ce57d94a9bdbbe4
- 0x64fcf7475795e620f063907564864555930a44f386d3570de6d5a8f455ce1941
- 0xba4c23ecb85b4eb2dfa298bc7b7d8e83edd0856fe6af8b8515209a7ff7d1c6d8
- 0x3b4b3d1662d175bef0331a8e093b2c1fad598947e07aab3c5c1843104097cf03
- 0xec50fb8bdb629a8eec60882415de93b837c0015821049eeb6965a6cdd0d6c186
- 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
- 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af