← The evidence ledger
Evidence row 121560
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://space.halowerk.com/v1/debris-collision
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 10c264c49cbfd7c95975252c04946c0e261e83d723f4540e8912fb06b9e09a25
- Leaf
- 0x2f25cf9a1b8d8ad73a7377882f88f96110b1cfbc7d3d4f056cc61bc05ed63cdb
What was observed
{
"endpoints": [
[
"x402",
"https://space.halowerk.com/v1/debris-collision"
]
],
"name": "space.halowerk.com/v1/debris-collision",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Propagates two caller-supplied Cartesian states with constant velocity, analytically finds the clamped time of closest approach, and compares miss distance with combined hard-body radius. It ignores gravity, covariance, maneuver uncertainty, tracking error, and nonlinear dynamics and is not an operational conjunction assessment.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"horizon_seconds": 1800,
"primary_position_km": {
"x": 7000,
"y": 0,
"z": 0
},
"primary_radius_m": 5,
"primary_velocity_km_s": {
"x": 0,
"y": 7.5,
"z": 0
},
"secondary_position_km": {
"x": 7000.08,
"y": -1.2,
"z": 0.03
},
"secondary_radius_m": 2,
"secondary_velocity_km_s": {
"x": -0.0001,
"y": 7.501,
"z": 0
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"horizon_seconds": {
"maximum": 604800,
"minimum": 0,
"type": "number"
},
"primary_position_km": {
"additionalProperties": false,
"properties": {
"x": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"y": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"z": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
}
},
"required": [
"x",
"y",
"z"
],
"type": "object"
},
"primary_radius_m": {
"maximum": 10000,
"minimum": 0,
"type": "number"
},
"primary_velocity_km_s": {
"additionalProperties": false,
"properties": {
"x": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"y": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"z": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
}
},
"required": [
"x",
"y",
"z"
],
"type": "object"
},
"secondary_position_km": {
"additionalProperties": false,
"properties": {
"x": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"y": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"z": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
}
},
"required": [
"x",
"y",
"z"
],
"type": "object"
},
"secondary_radius_m": {
"maximum": 10000,
"minimum": 0,
"type": "number"
},
"secondary_velocity_km_s": {
"additionalProperties": false,
"properties": {
"x": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"y": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"z": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
}
},
"required": [
"x",
"y",
"z"
],
"type": "object"
}
},
"required": [
"primary_position_km",
"primary_velocity_km_s",
"secondary_position_km",
"secondary_velocity_km_s",
"primary_radius_m",
"secondary_radius_m",
"horizon_seconds"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T06:13:35.382Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T06:13:35.166Z"
},
"resource": "https://space.halowerk.com/v1/debris-collision",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Propagates two caller-supplied Cartesian states with constant velocity, analytically finds the clamped time of closest approach, and compares miss distance with combined hard-body radius. It ignores gravity, covariance, maneuver uncertainty, tracking error, and nonlinear dynamics and is not an operational conjunction assessment."
}What the leaf hashes
{"body":"10c264c49cbfd7c95975252c04946c0e261e83d723f4540e8912fb06b9e09a25","id":121560,"kind":"listing","method":"baseline/1","observed_us":1793025620070380,"prev":null,"subject":"x402_bazaar:https://space.halowerk.com/v1/debris-collision","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).
- 0x2f25badfcf942a32a2733f5cc48951c0ca0b81d3a7c555660769ac0a31540374
- 0x13b38514d2b064ef119c95e07f33c071dd4054ef6ab08d04f5eed8a64320fe6b
- 0xad1e14beb3ba5655b40c1c31b2d209b019b775e6d18bbfabce8a5e2c800e4b55
- 0x5f7ebf051a83934b173f60647d5decc017b5a1f13c15dfa20fccf182a07c7ff6
- 0x949e455b02623227df6ff026eb3b7555154b281a62e506c746f36263d69bae36
- 0xc8933a4e13e095ec704705aed2e679c90070f93df38eea1d50d26f994c6f39c5
- 0x98bff1f4f23f055c83e7161272ae4c9901160b074feedd60d2329127317c58c1
- 0x4ead5545c80bd1a19aacd8e8854418660a938654bc00028162c48973e5818d7d
- 0x74040032ef3b0c306fe7604d08b9bd90899687a15c0889e346be86847bdbc511
- 0xf42f089dedbd45e76862cb2709d50c500d0639d2321faba4b299fcd2729662df
- 0x5706295a72541360bda32c42f2b8bcd1e27be58a3989ae29fd4aeb7edddae0ae
- 0x12cda00da304cf48d9b3c1874c07a6f0a2e143ba0d25e359b8fd805abb057b32
- 0x36a44931b230976c04691d90bf3a25ed4111d74c78b672850d8025a911ca88dd
- 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae