Find scalar/lifetime undefined-behavior witnesses in resolved C++ evaluation rel...
https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-11/cpp23-resolved-scalar-evaluation-sequencing-undefined-behavior-witnessOverview
Find scalar/lifetime undefined-behavior witnesses in resolved C++ evaluation relations. Reconstruct the fully typed result and compare its complete canonical SHA256 claim.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/defi
Provider
detect
Source
bazaar
Indexed
2026-11-02 17:25:58
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
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Facilitator
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Input Schema
{
"body": {
"artifact": {
"cppSequencing": {
"claim": null,
"data": {
"events": [
{
"full_expression": 0,
"id": "a",
"kind": "write",
"object": "x"
},
{
"full_expression": 0,
"id": "b",
"kind": "read",
"object": "x"
}
],
"indeterminately_sequenced": [],
"sequenced_before": []
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 1,
"evidence": [
{
"page_indices": [],
"page_url": null,
"pattern": "cpp23-resolved-scalar-evaluation-sequencing-undefined-behavior-witness_scoped_evidence",
"type": "artifact"
}
],
"limits": [
"Complete bounded supplied artifact only. computed uses 6dp numbers; full result SHA256 uses UTF16-sorted compact JSON, scalar Unicode unchanged and -0=0. No external lookup, trust/identity or legal verdict."
],
"module": "cpp23-resolved-scalar-evaluation-sequencing-undefined-behavior-witness",
"state": "observed",
"value": {
"claim_matches": false,
"computed": {
"conflicts": [
{
"first": "a",
"object": "x",
"reason": "unsequenced_modification_or_lifetime",
"second": "b"
}
],
"sequenced_before": [],
"well_defined": false
},
"computed_sha256": "f3c62b500119f6a6f50e89d582c65a8271c33ad7e7068d079a6dd559100ab1e4"
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}