Recognize bounded strings under complete well-formed PEGs with ordered choice, s...
https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-16/ford2004-parsing-expression-grammar-ordered-choice-predicate-recognitionOverview
Recognize bounded strings under complete well-formed PEGs with ordered choice, syntactic predicates and repetition, retaining the complete deterministic recognition tree.. Compare the complete typed result SHA256.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
detect
Source
bazaar
Indexed
2026-11-02 17:25:55
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": {
"peg": {
"claim": null,
"data": {
"expressions": [
{
"id": "a",
"kind": "literal",
"text": "a"
},
{
"expression": "a",
"id": "p",
"kind": "plus"
}
],
"rules": [
{
"expression": "p",
"name": "S"
}
],
"start": "S",
"text": ""
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 1,
"evidence": [
{
"page_indices": [],
"page_url": null,
"pattern": "ford2004-parsing-expression-grammar-ordered-choice-predicate-recognition_scoped_evidence",
"type": "artifact"
}
],
"limits": [
"Explicit artifact; entire canonical result SHA256; no external lookup."
],
"module": "ford2004-parsing-expression-grammar-ordered-choice-predicate-recognition",
"state": "observed",
"value": {
"claim_matches": false,
"computed": {
"complete": false,
"consumed": 0,
"derivation": [],
"matched": false,
"remaining": ""
},
"computed_sha256": "043cb451064420922640d1868918607e464e1bcd704a18ea729618e8fcb4e9c1"
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}