An offline database-history agent needs which supplied physical tuple versions a...
https://detect.halowerk.com/v1/F-A-NEXT-MVCC_SNAPSHOT/postgres-mvcc-snapshot-tuple-visibilityOverview
An offline database-history agent needs which supplied physical tuple versions a PostgreSQL MVCC snapshot can see, including current command boundaries and a deletion that remains active in that snapshot.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
detect
Source
bazaar
Indexed
2026-11-02 17:26:26
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": {
"mvcc_snapshot": {
"claim": 1,
"snapshot": {
"curcid": 2,
"current": 35,
"xip": [
12,
18
],
"xmax": 30,
"xmin": 10
},
"transactions": [
{
"id": 5,
"status": "committed"
},
{
"id": 8,
"status": "committed"
}
],
"tuples": [
{
"cmax": 0,
"cmin": 0,
"frozen": false,
"locked": false,
"xmax": 0,
"xmin": 5
}
]
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 100,
"evidence": [],
"limits": [
"Only the explicitly supplied bounded anonymous operand model and exact integer claim are evaluated.",
"No external resource or native system is queried or changed; source contents and contact values are not returned.",
"This is a declared-model correspondence finding without a security, legal, operational or compliance verdict."
],
"module": "postgres-mvcc-snapshot-tuple-visibility",
"state": "not_observed",
"value": {
"claim_matches": true,
"reason_codes": [
4
],
"statistic": 1,
"tuple_count": 1,
"visible_tuple_indexes": [
0
]
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}