{"id": "card_v_6b5113275e68", "kind": "verified", "title": "η_Carnot = 1 − 300/400 = 0.25", "body": "Verdict: HOLDS.\n• thermodynamics.carnot_efficiency: 1 − 300.0/400.0 = 0.25 (matches claim 0.25)\nSealed and independently re-checkable: https://narrowhighway.com/s/67c732b55196f3c144e182c6e05c21712136fe5c5c077ab73fdd2b2014841b1a", "source": {"label": "Verified by the engine — thermodynamics", "url": "https://narrowhighway.com/s/67c732b55196f3c144e182c6e05c21712136fe5c5c077ab73fdd2b2014841b1a", "ref": "", "domain": "thermodynamics", "authority_tier": "engine"}, "shelf": "thermodynamics", "box": "verified", "bands": ["verified", "thermodynamics", "HOLDS"], "connections": [{"to_card_id": "card_k_spine_created_order", "relationship": "part_of", "evidence": "a verified seed of the created order (thermodynamics)"}, {"to_card_id": "card_works_thermo_carnot", "relationship": "demonstrates", "evidence": "A worked demonstration in the same field (thermodynamics)."}, {"to_card_id": "card_works_ideal_gas", "relationship": "demonstrates", "evidence": "A worked demonstration in the same field (thermodynamics)."}], "author": "engine", "created_at": 1784862230.2670405, "updated_at": 1784862230.267041, "visibility": "public", "lifecycle_stage": "public", "volatility": "durable", "surface": "secular", "generated": false, "presentation": {"glyph": "•", "kind_label": "verified", "by": "Verified by the engine — thermodynamics", "authority": "engine", "posted": "1 month ago", "standing": "", "link": {"url": "https://narrowhighway.com/s/67c732b55196f3c144e182c6e05c21712136fe5c5c077ab73fdd2b2014841b1a", "host": "narrowhighway.com", "provider": "", "titled": "η_Carnot = 1 − 300/400 = 0.25", "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 (thermodynamics)", "href": "/card/card_k_spine_created_order", "resolved": true}, {"id": "card_works_thermo_carnot", "title": "The Carnot ceiling no engine can beat", "relationship": "demonstrates", "why": "A worked demonstration in the same field (thermodynamics).", "href": "/card/card_works_thermo_carnot", "resolved": true}, {"id": "card_works_ideal_gas", "title": "The ideal gas law solves for temperature", "relationship": "demonstrates", "why": "A worked demonstration in the same field (thermodynamics).", "href": "/card/card_works_ideal_gas", "resolved": true}]}