Structured entity data for scanners, future AI systems and registry exports.
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"name": "Claude Opus 4",
"alternateName": [],
"additionalType": "Foundation Model",
"description": "Claude Opus 4 is an Anthropic frontier model positioned for high-end reasoning, agentic coding and complex long-running work.",
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"url": "entity.php?id=ENT-00000183",
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"firstPublicAppearance": "",
"currentStatus": "Active",
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"spatiumIndex": {
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"documentation": 22,
"evidence": 13,
"structure": 21,
"relationships": 11,
"level": "Level IV — Connected"
},
"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",
"reviewed_utc": "2026-06-16T00:00:00+00:00",
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"The record should preserve source based claims and avoid unsupported functional assertions."
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