Structured entry data for human tools, AI systems and machine clients.
{
"@context": [
"https://schema.org",
{
"lxw": "https://lxkeys.world/schema/"
}
],
"@type": "Thing",
"identifier": "ENT-00000261",
"name": "Libratus",
"alternateName": [],
"additionalType": {
"category": "AI Systems",
"type": "Historical AI System",
"subtype": "",
"lxkeysEntity": false
},
"description": "Libratus is a historical AI system associated with Carnegie Mellon University, classified in LXKeys.world as Historical AI System.",
"creator": "Carnegie Mellon University",
"url": "https://lxkeys.world/entry.php?id=ENT-00000261&lang=en",
"sameAs": "https://www.csd.cmu.edu/news/poker-play-begins-in-brains-vs-ai-upping-the-ante",
"image": "",
"lxkeysWorld": {
"worldId": "ENT-00000261",
"kind": "AI Systems",
"type": "Historical AI System",
"subtype": "",
"classification": "Historical AI System",
"organization": "Carnegie Mellon University",
"originContext": "Public AI and cultural record",
"firstPublicAppearance": "2017",
"currentStatus": "Historical record",
"documentationStatus": "Documented",
"documentationIndex": {
"total": 82,
"documentation": 25,
"evidence": 21,
"structure": 25,
"relationships": 11,
"level": "Level V Persistent"
},
"lxCalendarium": {
"start_date_utc": "2023-04-01",
"created_utc": "2026-06-16T00:00:00+00:00",
"created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
"updated_utc": "2026-06-16T00:00:00+00:00",
"updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
},
"facts": [],
"capabilities": [
"Historical AI milestone documentation",
"Method or system lineage",
"Public archival reference",
"Influence on later AI research or products"
],
"limitations": [
"The system is documented primarily for historical significance and may no longer be maintained, accessible or representative of current AI practice.",
"Reconstructions and later summaries can differ from the original hardware, software and experimental conditions.",
"Performance should be interpreted in the historical context and evaluation methods of its period."
],
"tags": [
"Historical AI",
"Research",
"Historical AI System"
],
"timeline": [
{
"date": "2017",
"title": "Initial development or public milestone",
"description": "Libratus entered the documented public record in 2017. This event is retained at the precision supported by the Entry’s reviewed source history.",
"source_url": "https://www.csd.cmu.edu/news/poker-play-begins-in-brains-vs-ai-upping-the-ante",
"verification_status": "source_backed_official"
}
],
"relationships": [
{
"target": "Carnegie Mellon University",
"type": "Organization Context",
"description": "Carnegie Mellon University is the primary organization or public context associated with Libratus.",
"evidence_level": "documentary"
}
],
"sources": [
{
"label": "Canonical official source",
"url": "https://www.csd.cmu.edu/news/poker-play-begins-in-brains-vs-ai-upping-the-ante",
"source_type": "Official Source",
"verification_status": "verified",
"authority": "OFFICIAL",
"role": "primary",
"update_enabled": true,
"authority_basis": "curated-corpus-refresh-2026-09-08"
},
{
"label": "Libratus official/reference source",
"url": "https://en.wikipedia.org/wiki/Libratus",
"source_type": "Reference Source",
"verification_status": "verified",
"authority": "SECONDARY",
"role": "reference",
"update_enabled": false,
"authority_basis": "curated-corpus-refresh-2026-09-08"
}
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}