← The evidence ledger
Evidence row 77392
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://market.561.group/v1/astronomy/positions/:date
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f9631fc072aceee12b71db50e5fa19a8efb6401dad915bd0c7dbda0814dbb9ef
- Leaf
- 0xcf890ff130d8c2ff4f3bedf68243b150967fba48d8d388788305dd21f6eff385
What was observed
{
"endpoints": [
[
"x402",
"https://market.561.group/v1/astronomy/positions/:date"
]
],
"name": "561-group-astronomy-positions",
"owner_address": "0x32886f6f361c1d570255c2762967a2e41d0e9b1a",
"raw": {
"accepts": [
{
"amount": "40000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a",
"scheme": "exact"
}
],
"description": "Apparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"date": "2026-07-21T00:00:00Z"
},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"accuracy": {
"method": "independently audited against astronomy-engine (VSOP87/ELP)",
"validRange": "1800-2050"
},
"bodies": {
"sun": {
"latitude": 0,
"longitude": 118.3151,
"speed": 0.95465
}
},
"frame": "geocentric ecliptic-of-date, tropical, apparent",
"lunarPhase": {
"elongation": 92.4413,
"illuminatedFraction": 0.566,
"trend": "waxing"
},
"provenance": {
"algorithm": "meeus-truncated-series + jpl-approximate-elements (zero-dependency)"
},
"tier": "astronomy-positions",
"time": "2026-07-21T00:00:00.000Z"
},
"type": "json"
}
},
"routeTemplate": "/v1/astronomy/positions/:date",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"date": {
"description": "Exact ISO-8601 UTC date or instant, e.g. 2026-07-21T00:00:00Z.",
"type": "string"
}
},
"required": [
"date"
],
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"accuracy": {
"type": "object"
},
"bodies": {
"type": "object"
},
"frame": {
"type": "string"
},
"lunarPhase": {
"type": "object"
},
"provenance": {
"type": "object"
},
"tier": {
"const": "astronomy-positions"
},
"time": {
"type": "string"
}
},
"required": [
"tier",
"time",
"frame",
"bodies",
"lunarPhase",
"provenance",
"accuracy"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"sign-in-with-x": {
"info": {
"domain": "market.561.group",
"expirationTime": "2026-10-24T15:03:24.654Z",
"issuedAt": "2026-10-24T14:58:24.654Z",
"nonce": "12bb262a348a60247b7c06ab93c7a0aa",
"resources": [
"https://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z"
],
"statement": "Sign in to use what this wallet has been granted at market.561.group.",
"uri": "https://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"domain": {
"type": "string"
},
"expirationTime": {
"type": "string"
},
"issuedAt": {
"type": "string"
},
"nonce": {
"type": "string"
},
"notBefore": {
"type": "string"
},
"requestId": {
"type": "string"
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"type": {
"type": "string"
},
"uri": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"type": "object"
},
"supportedChains": [
{
"chainId": "eip155:8453",
"type": "eip191"
}
]
}
},
"lastUpdated": "2026-10-24T14:58:24.884Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-24T14:58:23.435Z"
},
"resource": "https://market.561.group/v1/astronomy/positions/:date",
"serviceName": "561-group-astronomy-positions",
"tags": [
"ephemeris",
"positional-astronomy",
"planetary-positions"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Apparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds."
}What the leaf hashes
{"body":"f9631fc072aceee12b71db50e5fa19a8efb6401dad915bd0c7dbda0814dbb9ef","id":77392,"kind":"listing","method":"baseline/1","observed_us":1793025493910251,"prev":null,"subject":"x402_bazaar:https://market.561.group/v1/astronomy/positions/:date","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).
- 0xcf895c2f037731219bf053b954ecae5274171c663ac0c98bf3f481101c162f0c
- 0x8937d60a3a3aecdcf95471556a50edf91f5ea43d0adba7cce995d10255418821
- 0x0b5497300768b61e4426f2af732004044639a28cb91d322433a2296001d4fee1
- 0x66f852ed1e240beb0798f56af4aadc2064b8996d8dc517051bd21b0c383974a5
- 0x4d0227ae6b9ef7780b333b11886b86331b792bd157159b8303ffec24e929ee94
- 0x4b629e9402f98f3ed885b5ddddcd72c864fc651dd61c0894b450b8f3be72c4a7
- 0xcc895031804af223dccab4625beb3f6849358e0a7fb999b864a45c64e191ef5c
- 0x7e80aabfe9c26c7d5799149ac6cfa603622956c18a020fe8e1cbb3d6148c7849
- 0x957b2335d6cf9f2c9c7638555fafce20f612e0e8922531265bb53af9057054c0
- 0xe80cf76bacef3df61a800537d5481bfa232c64dfad273eae27f78fe186ee2452
- 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
- 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
- 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae