← The evidence ledger
Evidence row 122374
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/space/passes
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1f0275c79abf9ab1dcb41f1f4b1a5643fc66bb7f733085655a70fe65f50f093c
- Leaf
- 0x4c6ac35fbf73bc87c227216619abd858b1fa025a4199e6f6d459f53cabdff65b
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/space/passes"
]
],
"name": "Tanod skypeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
}
],
"description": "skypeek (Tanod) satellite pass predictions (SGP4 on CelesTrak elements; derived times only).",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"lat": 14.5995,
"lon": 120.9842
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"alt_m": 0,
"count": 4,
"elements_age_hours": 0.1,
"lat": 14.5995,
"lon": 120.9842,
"min_elevation_deg": 10,
"note": "Predictions from SGP4 on public orbital elements; real positions drift by a few km after days. 'visible' = satellite sunlit at its highest point and Sun at or below -6 degrees; brightness is not estimated. All times UTC. Azimuth is clockwise from true north.",
"passes": [
{
"duration_s": 399,
"end": {
"azimuth_deg": 149.5,
"compass": "SSE",
"elevation_deg": 10,
"time": "2026-10-08T08:50:59Z"
},
"max": {
"azimuth_deg": 233.4,
"compass": "SW",
"elevation_deg": 69.7,
"time": "2026-10-08T08:47:40Z"
},
"start": {
"azimuth_deg": 317.3,
"compass": "NW",
"elevation_deg": 10,
"time": "2026-10-08T08:44:20Z"
},
"sun_altitude_deg": 11.9,
"sunlit_at_max": true,
"visibility": "sky_too_bright",
"visible": false
},
{
"duration_s": 388,
"end": {
"azimuth_deg": 52.6,
"compass": "NE",
"elevation_deg": 10,
"time": "2026-10-09T21:23:04Z"
},
"max": {
"azimuth_deg": 125.8,
"compass": "SE",
"elevation_deg": 43.6,
"time": "2026-10-09T21:19:50Z"
},
"start": {
"azimuth_deg": 199.1,
"compass": "SSW",
"elevation_deg": 10,
"time": "2026-10-09T21:16:36Z"
},
"sun_altitude_deg": -7.3,
"sunlit_at_max": true,
"visibility": "visible",
"visible": true
}
],
"satellite": {
"name": "ISS (ZARYA)",
"norad_id": 25544
},
"source": {
"license": "freely available; CelesTrak resource-use policy (no redistribution of element sets here)",
"name": "CelesTrak GP data (orbital elements; only derived pass times are returned)",
"notice": "Orbital elements: CelesTrak (T.S. Kelso), originally from 18 SDS / Space-Track. Passes are computed with SGP4 and are predictions, not observations.",
"terms": "https://celestrak.org/usage-policy.php",
"url": "https://celestrak.org/NORAD/elements/"
},
"stale": false,
"window": {
"days": 2,
"from": "2026-10-08T04:11:09Z",
"to": "2026-10-10T04:11:09Z"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"alt_m": {
"default": 0,
"description": "Observer altitude in metres.",
"maximum": 9000,
"minimum": -500,
"type": "number"
},
"days": {
"default": 2,
"description": "Window in days (1-3).",
"maximum": 3,
"minimum": 1,
"type": "integer"
},
"lat": {
"description": "Latitude in degrees (-90 to 90).",
"maximum": 90,
"minimum": -90,
"type": "number"
},
"lon": {
"description": "Longitude in degrees (-180 to 180).",
"maximum": 180,
"minimum": -180,
"type": "number"
},
"min_elevation": {
"default": 10,
"description": "Lowest elevation counted as a pass, in degrees above the horizon.",
"maximum": 89,
"minimum": 0,
"type": "number"
},
"norad_id": {
"default": 25544,
"description": "NORAD catalog number (default 25544, the ISS); CelesTrak 'stations' and 'visual' groups plus NOAA 15 / 18 / 19.",
"maximum": 999999999,
"minimum": 1,
"type": "integer"
},
"visible_only": {
"default": false,
"description": "Only passes that can be seen with the eye (satellite sunlit, sky dark).",
"type": "boolean"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alt_m": {
"type": "number"
},
"count": {
"type": "integer"
},
"elements_age_hours": {
"type": "number"
},
"lat": {
"type": "number"
},
"lon": {
"type": "number"
},
"min_elevation_deg": {
"type": "number"
},
"note": {
"type": "string"
},
"passes": {
"items": {
"properties": {
"duration_s": {
"type": "integer"
},
"end": {
"properties": {
"azimuth_deg": {
"type": "number"
},
"compass": {
"type": "string"
},
"elevation_deg": {
"type": "number"
},
"time": {
"type": "string"
}
},
"type": "object"
},
"max": {
"properties": {
"azimuth_deg": {
"type": "number"
},
"compass": {
"type": "string"
},
"elevation_deg": {
"type": "number"
},
"time": {
"type": "string"
}
},
"type": "object"
},
"start": {
"properties": {
"azimuth_deg": {
"type": "number"
},
"compass": {
"type": "string"
},
"elevation_deg": {
"type": "number"
},
"time": {
"type": "string"
}
},
"type": "object"
},
"sun_altitude_deg": {
"type": "number"
},
"sunlit_at_max": {
"type": "boolean"
},
"visibility": {
"type": "string"
},
"visible": {
"type": "boolean"
}
},
"required": [
"start",
"max",
"end"
],
"type": "object"
},
"type": "array"
},
"satellite": {
"type": "object"
},
"source": {
"properties": {
"license": {
"type": "string"
},
"name": {
"type": "string"
},
"notice": {
"type": "string"
},
"terms": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"name",
"url"
],
"type": "object"
},
"stale": {
"type": "boolean"
},
"window": {
"type": "object"
}
},
"required": [
"satellite",
"window",
"count",
"passes",
"source"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
"lastUpdated": "2026-10-08T21:53:14.557Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T21:53:13.848Z"
},
"resource": "https://tanod.dev/v1/space/passes",
"serviceName": "Tanod skypeek",
"tags": [
"skypeek",
"metar",
"taf",
"space-weather",
"satellite-passes"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "skypeek (Tanod) satellite pass predictions (SGP4 on CelesTrak elements; derived times only)."
}What the leaf hashes
{"body":"1f0275c79abf9ab1dcb41f1f4b1a5643fc66bb7f733085655a70fe65f50f093c","id":122374,"kind":"listing","method":"baseline/1","observed_us":1793025621541696,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/space/passes","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x4c6a3fe3a18e7f00b56d62b0a1bc20f7eb2a191d769929a70e79184a720f515b
- 0xb3e43239cac0e2ce69606ccf8c24cdfd90008b46ca6cd3ef66bff9486b14187d
- 0xe0b742b261dce886cc94a8545c747cfcc37db06818861f9f797daae27789894f
- 0x2383fd54c90453fd29a30d865733a3448f85b68d90af4f9fef1c912a04f05265
- 0xb9a2ff1c7b94472a036c986db3c72e82be5b8019bd1cafa785ede557ffb1d225
- 0xfda21dbbdc05e4343bdc364e170ed910f2146ca2357d5f5cafd79dd2565f6ef5
- 0x5fc63a145dfb2133da00d6ad7df484da5103ed56555139f30bd5c83d3b600ff3
- 0x1dd275447a5c7f759f1cba62af7df62145553bdfb3305a6404c5df5ba907fe6e
- 0x43acfb53889a6d9820160fa6df89020891c2b8a2d97e451de1e0ff28ba46d20a
- 0x32dd5960bea005a040bbd1369f1894182fe94230e0a86fab637abe9785a5b0d9
- 0x4a13cd2655a1d8b39528cfa63482483519544a5eb593623bd8ca3eb463e263b6
- 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
- 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae