{"id": "card_v_ed81d928e2f5", "kind": "verified", "title": "T² = a³ for Earth (1 yr, 1 AU) · F = G·M·m/r² ≈ 1.98 × 10²⁰ N (Earth–Moon)", "body": "Verdict: HOLDS.\n• astronomy.kepler_third_law: T²=1.0000 vs a³=1.0000 (rel diff 0.0000); consistent=True matches claim\n• astronomy.gravitational_force: F = G·m₁·m₂/r² = 1.9821e+20 N (matches claim 1.9821e+20)\nSealed and independently re-checkable: https://narrowhighway.com/s/7036538f3a6188b5a1adb6c45d81d2fd4d0e4c8d3fa130558fcdaabd58b594bb", "source": {"label": "Verified by the engine — astronomy", "url": "https://narrowhighway.com/s/7036538f3a6188b5a1adb6c45d81d2fd4d0e4c8d3fa130558fcdaabd58b594bb", "ref": "", "domain": "astronomy", "authority_tier": "engine"}, "shelf": "astronomy", "box": "verified", "bands": ["verified", "astronomy", "HOLDS"], "connections": [{"to_card_id": "card_k_spine_created_order", "relationship": "part_of", "evidence": "a verified seed of the created order (astronomy)"}, {"to_card_id": "card_works_astronomy", "relationship": "demonstrates", "evidence": "A worked demonstration in the same field (astronomy)."}], "author": "engine", "created_at": 1784892568.0124106, "updated_at": 1784892568.012411, "visibility": "public", "lifecycle_stage": "public", "volatility": "durable", "surface": "secular", "generated": false, "presentation": {"glyph": "•", "kind_label": "verified", "by": "Verified by the engine — astronomy", "authority": "engine", "posted": "1 month ago", "standing": "", "link": {"url": "https://narrowhighway.com/s/7036538f3a6188b5a1adb6c45d81d2fd4d0e4c8d3fa130558fcdaabd58b594bb", "host": "narrowhighway.com", "provider": "", "titled": "T² = a³ for Earth (1 yr, 1 AU) · F = G·M·m/r² ≈ 1.98 × 10²⁰ N (Earth–Moon)", "waybill_line": "", "reach": "", "embed": ""}}, "neighbors": [{"id": "card_k_spine_created_order", "title": "The created order — the science of the floor", "relationship": "part of", "why": "a verified seed of the created order (astronomy)", "href": "/card/card_k_spine_created_order", "resolved": true}, {"id": "card_works_astronomy", "title": "Kepler's law, and the pull between Earth and Moon", "relationship": "demonstrates", "why": "A worked demonstration in the same field (astronomy).", "href": "/card/card_works_astronomy", "resolved": true}]}