Compute a reproducible noise power spectrum from a uniformly sampled trace.
https://detect.halowerk.com/v1/F-TD2000-GEO-INDUSTRY-B001/sampled-signal-welch-periodic-hann-densityOverview
Compute a reproducible noise power spectrum from a uniformly sampled trace.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
detect
Source
bazaar
Indexed
2026-11-02 19:28:22
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"artifact": {
"welch": {
"claim": {
"density": [
0.015778,
0.175909,
1.159518,
0.936887,
0.0625
],
"frequencies": [
1,
0.5,
1,
1.5,
2
],
"segments": 3
},
"data": {
"overlap": 4,
"sample_rate": 4,
"segment_length": 8,
"values": [
0,
2,
2,
-1,
0.9999999999999998,
3,
3.6739403974420594e-16,
0,
1.9999999999999996,
1,
1.0000000000000007,
1,
-7.347880794884119e-16,
2,
2.000000000000001,
-1
]
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 1,
"evidence": [
{
"page_indices": [],
"page_url": null,
"pattern": "sampled-signal-welch-periodic-hann-density_scoped_evidence",
"type": "artifact"
}
],
"limits": [
"Caller-supplied bounded technical model only; every numeric result rounded to six decimal places before exact claim comparison. No external fetch, safety, legal, or medical decision."
],
"module": "sampled-signal-welch-periodic-hann-density",
"state": "observed",
"value": {
"claim_matches": false,
"welch": {
"density": [
0.015778,
0.175909,
1.159518,
0.936887,
0.0625
],
"frequencies": [
0,
0.5,
1,
1.5,
2
],
"segments": 3
}
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}