{"query": "Cobalt (Co) — element 27", "count": 20, "results": [{"id": "card_ref_el_027", "title": "Cobalt (Co) — element 27", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 27. Symbol Co. Standard atomic weight 58.933194. The cobalt atom carries 27 protons in its nucleus; its place in the periodic table is fixed by that count. Verified reference data.", "authority_tier": "reference", "source": "Verified reference — chemistry", "readable": false, "generated": false}, {"id": "card_n_08a41f6b5ab9", "title": "Gamma rays — the spectrum meets the nucleus", "shelf": "science", "surface": "secular", "snippet": "At the top of the dial the photons come from nuclear transitions and antimatter.\nSealed: the electron's rest energy m_e·c² computes to 510.99 keV (m_e measured by CODATA;\nc, h, e exact by definition):", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_src_word_cobalt", "title": "cobalt", "shelf": "dictionary", "surface": "secular", "snippet": "cobalt: (noun) a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition — syn: Co, atomic number 27", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_co", "title": "co", "shelf": "dictionary", "surface": "secular", "snippet": "co: (noun) an odorless very poisonous gas that is a product of incomplete combustion of carbon — syn: carbon monoxide, carbon monoxide gas · (noun) a hard ferromagnetic silver-white bivalent or trival", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_atomic_number_27", "title": "atomic number 27", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 27: (noun) a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition — syn: cobalt, Co", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_etym_cobalt", "title": "cobalt", "shelf": "etymology", "surface": "secular", "snippet": "cobalt: etymology (Webster 1913) — n.: [G. kobalt, prob. fr. kobold, kobel, goblin, MHG. kobolt; perh. akin to G. koben pigsty, hut, AS. cofa room, cofgodas household gods, Icel. kofi hut. If so, the ", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_erythrite", "title": "erythrite", "shelf": "etymology", "surface": "secular", "snippet": "erythrite: etymology (Webster 1913) — n.: [Gr. 1. (Chem.) Defn: A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposit", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_cobaltiferous", "title": "cobaltiferous", "shelf": "etymology", "surface": "secular", "snippet": "cobaltiferous: etymology (Webster 1913) — a.: [Cobalt + -ferous.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_kobold", "title": "kobold", "shelf": "etymology", "surface": "secular", "snippet": "kobold: etymology (Webster 1913) — n.: [G., perh. orig., house god, hose protector. See Cobalt]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_praseo", "title": "praseo-", "shelf": "etymology", "surface": "secular", "snippet": "praseo-: etymology (Webster 1913) — [Gr. Defn: A combining form signifying green; as, praseocobalt, a green variety of cobalt.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_goblin", "title": "goblin", "shelf": "etymology", "surface": "secular", "snippet": "goblin: etymology (Webster 1913) — n.: [OE. gobelin, F. gobelin, LL. gobelinus, fr. Gr. kobold, E. kobold, cobalt, Armor. gobilin an ignis fatuus, goblin.]. From Webster's Revised Unabridged Dictionar", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_glaucodot", "title": "glaucodot", "shelf": "etymology", "surface": "secular", "snippet": "glaucodot: etymology (Webster 1913) — n.: [Gr. (Min.) Defn: A metallic mineral having a grayish tin-white color, and containing cobalt and iron, with sulphur and arsenic.]. From Webster's Revised Unab", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_cove", "title": "cove", "shelf": "etymology", "surface": "secular", "snippet": "cove: etymology (Webster 1913) — n.: [AS. cofa room; akin to G. koben pigsty, orig., hut, Icel kofi hut, and perh. to E. cobalt.]; v. t.: [CF. F. couver, It. covare. See Covey.]; n.: [A gypsy word, co", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_theory_vsepr_theory", "title": "VSEPR theory (molecular geometry)", "shelf": "theories", "surface": "secular", "snippet": "VSEPR theory (molecular geometry) — an engine domain that can touch it: molecular_geometry. Calibration: seals — shapes and bond angles predict directly. Valence Shell Electron Pair Repulsion: electro", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_src_etym_dissolution", "title": "dissolution", "shelf": "etymology", "surface": "secular", "snippet": "dissolution: etymology (Webster 1913) — n.: [OE. dissolucioun dissoluteness, F. dissolution, fr. L. dissolutio, fr. dissolvere. See Dissolve.]. From Webster's Revised Unabridged Dictionary (1913), pub", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_span_edf3b9c81714", "title": "When the liquid will drop in a continuous thread from the stirrer", "shelf": "sources", "surface": "secular", "snippet": "When  the  liquid  will  drop  in  a  continuous  thread  from \nthe  stirrer,  and  jellifies  on  cooling,  it  is  ready  for  the \n^^  cutting\"  process.  This  consists  in  throwing  in  salt  by", "authority_tier": "primary_pd", "source": "A treatise on chemistry applied to the manufacture of soap and candles; being a thorough exposition, in all their minuti", "readable": true, "generated": false}, {"id": "card_alm_assessment_popper_falsifiability_is_the_method", "title": "Almanac: Falsifiability -- a theory must forbid something; the fork -- demarcation over-applied banishes the metaphysics it cannot test", "shelf": "almanac", "surface": "secular", "snippet": "SITUATION\n  THE KERNEL: Popper got the deep thing right, and it is the engine's own heartbeat. A claim with content forbids something; it sticks its neck out; it can be refuted by a single counterexam", "authority_tier": "reference", "source": "The Almanac — verified-only practical wisdom (sealed)", "readable": false, "generated": false}, {"id": "card_domchk_periodic_table_claimed_atomic_number", "title": "Periodic Table: atomic number", "shelf": "periodic_table", "surface": "secular", "snippet": "A worked check in periodic table: atomic number.\n\nGIVEN\n  symbol = Fe\n\nCLAIMED\n  claimed_atomic_number = 26\n\nTHE ENGINE'S VERDICT\n  periodic_table.element: CONFIRMED — Fe (iron, Z=26) — definitional c", "authority_tier": "reference", "source": "The verifier's own documented relation, and a run this engine performed against it (deterministic; re-runnable with tools/domain_goldens.py)", "readable": false, "generated": false}, {"id": "card_v_958fb7e1a9f3", "title": "the atomic number of iron is 27", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: BROKEN.\n• periodic_table.element: atomic number: actual Z=26, claimed 27\nSealed and independently re-checkable: https://narrowhighway.org/s/65b79ffaa798ac353aec0354578cd3708c4fc364b8437fe180f", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "readable": false, "generated": false}, {"id": "card_theory_periodic_law", "title": "Periodic law (Mendeleev)", "shelf": "theories", "surface": "secular", "snippet": "Periodic law (Mendeleev) — an engine domain that can touch it: periodic_table. Calibration: seals — element properties and group trends look up and compute. Arrange elements by atomic number and their", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_ref_el_027"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}