← The evidence ledger
Evidence row 121559
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://space.halowerk.com/v1/dark-fleet-detect
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7e66d444bb1d44c2db4b5e05f03725757dc301c15ba4ab023796a0d55ef821b0
- Leaf
- 0xf8fe2efc5ab2b0a0b7dea354bff22ca2a2d3291e396382855d8e5f3b59e9d30c
What was observed
{
"endpoints": [
[
"x402",
"https://space.halowerk.com/v1/dark-fleet-detect"
]
],
"name": "space.halowerk.com/v1/dark-fleet-detect",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "3000",
"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": "Combines caller-supplied AIS gap duration, unmatched satellite detections, night-observation fraction, and position discrepancy into a bounded score. It does not identify a vessel, link detections, establish illegal activity, or replace maritime intelligence review.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"review_threshold": 0.65,
"tracks": [
{
"ais_gap_hours": 3,
"night_detection_fraction": 0.2,
"position_discrepancy_km": 1,
"satellite_detection_count": 6,
"track_id": "track-a",
"unmatched_detection_count": 0
},
{
"ais_gap_hours": 72,
"night_detection_fraction": 0.8,
"position_discrepancy_km": 48,
"satellite_detection_count": 8,
"track_id": "track-b",
"unmatched_detection_count": 6
}
]
},
"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": {
"review_threshold": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"tracks": {
"items": {
"additionalProperties": false,
"properties": {
"ais_gap_hours": {
"maximum": 8760,
"minimum": 0,
"type": "number"
},
"night_detection_fraction": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"position_discrepancy_km": {
"maximum": 100000,
"minimum": 0,
"type": "number"
},
"satellite_detection_count": {
"maximum": 1000000,
"minimum": 0,
"type": "integer"
},
"track_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"unmatched_detection_count": {
"maximum": 1000000,
"minimum": 0,
"type": "integer"
}
},
"required": [
"track_id",
"ais_gap_hours",
"satellite_detection_count",
"unmatched_detection_count",
"night_detection_fraction",
"position_discrepancy_km"
],
"type": "object"
},
"maxItems": 10000,
"minItems": 1,
"type": "array"
}
},
"required": [
"tracks"
],
"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": "2026-10-08T05:40:27.9Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T05:40:27.473Z"
},
"resource": "https://space.halowerk.com/v1/dark-fleet-detect",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Combines caller-supplied AIS gap duration, unmatched satellite detections, night-observation fraction, and position discrepancy into a bounded score. It does not identify a vessel, link detections, establish illegal activity, or replace maritime intelligence review."
}What the leaf hashes
{"body":"7e66d444bb1d44c2db4b5e05f03725757dc301c15ba4ab023796a0d55ef821b0","id":121559,"kind":"listing","method":"baseline/1","observed_us":1793025620068893,"prev":null,"subject":"x402_bazaar:https://space.halowerk.com/v1/dark-fleet-detect","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).
- 0xf8fe0696d5dbd43e730b8aab720e784f32d81c811a67da53821a8534b7287545
- 0x58a7fbe22407b4125282cba165d43098fd7c9e11226010f28b8f974ad2777080
- 0x60e342e9f3be1c2cc2b34e0d01aaf810aa96ac0af84c52e72c3074ffd0c2c2b4
- 0x1911c3e55871cdc827814bee167507a257ee46c72a117aacfde96ccc3f8fe139
- 0x0b18535f001fb58e251d16817422b541d0a52e3daca55425536ee479327dc312
- 0x1c485a80900df576e6ec9acb405eae4c5dc1edffa6e4ae49345bde5219ab5570
- 0x9d630573e4dcb2f59676b1542010d9e2a794bdd80fb9d50ec212634327202430
- 0x3deedd85b62f27a983f67d79235a9f0d69a9730f300d7be8e3d244af57c3a3a5
- 0x178f4c4219957c8eed2451198ada4c53ca17c5d35969baf77c14c8ad54aa5dde
- 0x921ec909afaac455249717b3fffa2561a28344c6c4dc7a3f57f7c3f136978f87
- 0xe3be477672f672ad65922159dceef6444408759f2808a7a1e1ba87146cf5eee0
- 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
- 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae