{"query": "Periodic table", "count": 20, "results": [{"id": "card_instr_periodic_table", "title": "Periodic table", "shelf": "codex", "surface": "secular", "snippet": "The Periodic table verifier (src/concordance/verifiers/periodic_table.py). Builds on: The fine-structure scale (α). Found from the code's own imports, never invented; the module keeps the logic, this ", "authority_tier": "engine_derived", "source": "verifier: periodic_table", "readable": false, "generated": false}, {"id": "card_src_word_periodic_table", "title": "periodic table", "shelf": "dictionary", "surface": "secular", "snippet": "periodic table: (noun) (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "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}, {"id": "card_theory_aufbau_configuration", "title": "Aufbau principle & electron configuration", "shelf": "theories", "surface": "secular", "snippet": "Aufbau principle & electron configuration — an engine domain that can touch it: periodic_table. Calibration: seals — a deterministic verifier can CONFIRM or BREAK checkable claims drawn from it, and s", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (lone-domain seeding)", "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_floor_chemistry", "title": "Chemistry — quantum mechanics applied, the periodic table", "shelf": "codex", "surface": "secular", "snippet": "The world of substances, standing on the physics region. Chemistry is the Schrodinger equation for electrons around nuclei, plus Pauli exclusion, plus electromagnetism; the periodic table falls out of", "authority_tier": "engine_derived", "source": "Narrow Highway — chemistry", "readable": false, "generated": false}, {"id": "card_domchk_periodic_table_claimed_atomic_mass", "title": "Periodic Table: atomic mass", "shelf": "periodic_table", "surface": "secular", "snippet": "A worked check in periodic table: atomic mass.\n\nGIVEN\n  isotopes = [{'abundance': 5.845, 'mass': 53.9396}, {'abundance': 91.754, 'mass': 55.9349}, {'abundance': 2.119, 'mass': 56.9354}, {'abundance': ", "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_n_6e7a5b14e556", "title": "The periodic table — the map of the elements", "shelf": "science", "surface": "secular", "snippet": "118 elements, ordered by proton count, and their properties RECUR in periods — the\nsingle most predictive table in science. Sealed in-domain: carbon is element 6, symbol C\n(https://narrowhighway.com/s", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_n_4d5234cab477", "title": "Chemistry — the bookkeeping of atoms", "shelf": "science", "surface": "secular", "snippet": "Chemistry is accounting at the scale of atoms: nothing is created or\ndestroyed, only rearranged, and every claim balances or it is wrong. The engine keeps the\nbooks in-domain (https://narrowhighway.co", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_theory_pauli_exclusion_principle", "title": "Pauli exclusion principle", "shelf": "theories", "surface": "secular", "snippet": "Pauli exclusion principle — an engine domain that can touch it: atomic. Calibration: seals — electron configurations and shell capacities compute. No two identical fermions may occupy the same quantum", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_c_130ff92ca772", "title": "Supersymmetry — pairing as the map's arrange ↔ The periodic table — the map of the elements", "shelf": "connections", "surface": null, "snippet": "the symmetry then PREDICTS the missing partner — a broken pair is a gap that tells us what to look for, the way SUSY predicts a superpartner.  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_theory_quasicrystals", "title": "Quasicrystals (forbidden symmetry in real matter)", "shelf": "theories", "surface": "secular", "snippet": "Matter that is ordered but not periodic. Dan Shechtman recorded an electron diffraction pattern from rapidly cooled Al-Mn on 8 April 1982 showing SHARP Bragg peaks with ten-fold symmetry — sharp peaks", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_aperiodic_tiling", "title": "Aperiodic tiling (Penrose, and the 2023 monotile)", "shelf": "theories", "surface": "secular", "snippet": "Two tile shapes plus local edge-matching rules that cover the plane completely and CANNOT repeat. Penrose (1974) gave two forms: P2, the kite and dart; P3, a thin rhombus (36°) and a fat one (72°). Th", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_honeycomb_conjecture", "title": "Optimal packing & the honeycomb conjecture (Hales)", "shelf": "theories", "surface": "secular", "snippet": "The hexagonal grid is the most efficient way to divide a surface into regions of equal area with the LEAST TOTAL PERIMETER. Stated by Pappus of Alexandria around 300 AD as an observation about bees, i", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_v_0b665c56e42e", "title": "Z = 6 ↔ carbon (C)", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: HOLDS.\n• periodic_table.element: C (carbon, Z=6) — definitional claims match\nSealed and independently re-checkable: https://narrowhighway.com/s/4f0e0dd73b703223c7c09fd367e0c4e13a91ecbd375f6c7", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "readable": false, "generated": false}, {"id": "card_domchk_periodic_table_claimed_name", "title": "Periodic Table: name", "shelf": "periodic_table", "surface": "secular", "snippet": "A worked check in periodic table: name.\n\nGIVEN\n  symbol = Fe\n\nCLAIMED\n  claimed_name = iron\n\nTHE ENGINE'S VERDICT\n  periodic_table.element: CONFIRMED — Fe (iron, Z=26) — definitional claims match\n\nAND", "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_works_element", "title": "Carbon, by definition", "shelf": "the-works", "surface": "secular", "snippet": "An element's identity is definitional, not measured: the element with six protons is carbon, symbol C. Identity, reduced to a proton count.  Worked & sealed by the engine — Z = 6 ↔ carbon (C).  [HOLDS", "authority_tier": "verified", "source": "The Works — worked & sealed", "readable": false, "generated": false}, {"id": "card_v_cfe8a0172379", "title": "iron has atomic number 26", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: HOLDS.\n• periodic_table.element: Fe (iron, Z=26) — definitional claims match\nSealed and independently re-checkable: https://narrowhighway.org/s/9792f17e8050600544197d45e971850ecc493007e97a445", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "readable": false, "generated": false}, {"id": "card_v_0f89b0d17c5f", "title": "the atomic number of iron is 26", "shelf": "periodic_table", "surface": "secular", "snippet": "Verdict: HOLDS.\n• periodic_table.element: Fe (iron, Z=26) — definitional claims match\nSealed and independently re-checkable: https://narrowhighway.org/s/16aac96d5db9f4076e2c24c6c4511f621cd9c6baa85b547", "authority_tier": "engine", "source": "Verified by the engine — periodic_table", "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}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_instr_periodic_table"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}