{"query": "How many hosts fit in a /24", "count": 20, "results": [{"id": "card_theory_network_theory", "title": "Network theory (routing, addressing / CIDR)", "shelf": "theories", "surface": "secular", "snippet": "Network theory (routing, addressing / CIDR) — an engine domain that can touch it: networking. Calibration: seals — subnet masks, address ranges and prefix matches compute exactly. An IP address is spl", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_biological_nitrogen_fixation", "title": "Crop rotation & biological nitrogen fixation (the low-input path)", "shelf": "theories", "surface": "secular", "snippet": "Crop rotation & biological nitrogen fixation (the low-input path) — an engine domain that can touch it: agriculture. Calibration: map-only — rotation effects are empirical; nutrient budgets compute. L", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_germ_theory_of_disease", "title": "Germ theory of disease", "shelf": "theories", "surface": "secular", "snippet": "Germ theory of disease — an engine domain that can touch it: medicine. Calibration: map-only — a foundational empirical claim. Specific microorganisms cause specific diseases. Established by Pasteur a", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_works_subnet", "title": "How many hosts fit in a /24", "shelf": "the-works", "surface": "secular", "snippet": "A /24 subnet leaves 8 host bits — 2⁸ − 2 = 254 usable addresses, after reserving the network and broadcast. The daily arithmetic of every network.  Worked & sealed by the engine — /24 → 2⁸ − 2 = 254 u", "authority_tier": "verified", "source": "The Works — worked & sealed", "readable": false, "generated": false}, {"id": "card_calc_v_cybersecurity_subnet_hosts", "title": "Subnet hosts", "shelf": "calculations", "surface": "secular", "snippet": "Subnet hosts — cybersecurity. Formula: hosts = 2^(32-prefix) - 2. Canonical FORM: combinatorial (C(n,k) = n! / (k!(n-k)!)) — engine verifier cybersecurity.subnet_hosts — the deterministic check the co", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_calc_v_networking_subnet_host_count", "title": "Subnet host count", "shelf": "calculations", "surface": "secular", "snippet": "Subnet host count — networking. Formula: hosts = 2^(32-N) - 2. Canonical FORM: combinatorial (C(n,k) = n! / (k!(n-k)!)) — engine verifier networking.subnet_host_count — the deterministic check the con", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_n_9d989728dab7", "title": "Hark! the Herald Angels Sing", "shelf": "hymns", "surface": "witness", "snippet": "Hark! the herald angels sing,\n\"Glory to the newborn King;\nPeace on earth, and mercy mild,\nGod and sinners reconciled!\"\nJoyful, all ye nations rise,\nJoin the triumph of the skies;\nWith th'angelic host ", "authority_tier": "external_aligned", "source": "Charles Wesley (1739)", "readable": false, "generated": false}, {"id": "card_domchk_networking_claimed_usable_hosts", "title": "Networking: usable hosts", "shelf": "networking", "surface": "secular", "snippet": "A worked check in networking: usable hosts.\n\nGIVEN\n  subnet_prefix = 24\n\nCLAIMED\n  claimed_usable_hosts = 254\n\nTHE ENGINE'S VERDICT\n  networking.subnet_host_count: CONFIRMED — /24 has 254 usable hosts", "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_domchk_cybersecurity_claimed_host_count", "title": "Cybersecurity: host count", "shelf": "cybersecurity", "surface": "secular", "snippet": "A worked check in cybersecurity: host count.\n\nGIVEN\n  cidr_prefix = 24\n\nCLAIMED\n  claimed_host_count = 254\n\nTHE ENGINE'S VERDICT\n  cybersecurity.subnet_hosts: CONFIRMED — /24 → 254 usable hosts (match", "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_src_openstax_microbiology_16_3_modes_of_disease_transmission_d56245c3", "title": "16.3 Modes of Disease Transmission — Microbiology", "shelf": "biology", "surface": "secular", "snippet": "16.3\n\nModes of Disease Transmission\n\nLearning Objectives\nBy the end of this section, you will be able to:\n\nDescribe the different types of disease reservoirs\n\nCompare contact, vector, and vehicle mode", "authority_tier": "reference", "source": "OpenStax: Microbiology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_etym_host", "title": "host", "shelf": "etymology", "surface": "secular", "snippet": "host: etymology (Webster 1913) — n.: [LL. hostia sacrifice, victim, from hostire to strike.]; n.: [OE. host, ost, OF. host, ost, fr. L. hostis enemy, LL., army. See Guest, and cf. Host a landlord.]; n", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_openstax_microbiology_summary_6feb2103", "title": "Summary — Microbiology", "shelf": "biology", "surface": "secular", "snippet": "Summary\n\n6.1\n\nViruses\n\nViruses are generally ultramicroscopic, typically from 20 nm to 900 nm in length. Some large viruses have been found.\n\nVirions are acellular and consist of a nucleic acid, DNA o", "authority_tier": "reference", "source": "OpenStax: Microbiology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_word_parasite", "title": "parasite", "shelf": "dictionary", "surface": "secular", "snippet": "parasite: (noun) an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host · (noun) a follower who hangs arou", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_rfc_317", "title": "RFC317 — Official Host-Host Protocol Modification: Assigned Link Numbers", "shelf": "rfcs", "surface": "secular", "snippet": "RFC317: Official Host-Host Protocol Modification: Assigned Link Numbers (March 1972). Status: UNKNOWN. Obsoleted by RFC604.", "authority_tier": "reference", "source": "The RFC Index (RFC Editor / IETF) — public domain", "readable": false, "generated": false}, {"id": "card_src_rfc_11", "title": "RFC11 — Implementation of the Host - Host Software Procedures in GORDO", "shelf": "rfcs", "surface": "secular", "snippet": "RFC11: Implementation of the Host - Host Software Procedures in GORDO (August 1969). Status: UNKNOWN. Obsoleted by RFC33.", "authority_tier": "reference", "source": "The RFC Index (RFC Editor / IETF) — public domain", "readable": false, "generated": false}, {"id": "card_src_rfc_5206", "title": "RFC5206 — End-Host Mobility and Multihoming with the Host Identity Protocol", "shelf": "rfcs", "surface": "secular", "snippet": "RFC5206: End-Host Mobility and Multihoming with the Host Identity Protocol (April 2008). Status: EXPERIMENTAL. Obsoleted by RFC8046.", "authority_tier": "reference", "source": "The RFC Index (RFC Editor / IETF) — public domain", "readable": false, "generated": false}, {"id": "card_src_pron_hosts", "title": "hosts", "shelf": "pronunciation", "surface": "secular", "snippet": "hosts: pronounced (ARPABET) HH OW1 S T S. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "readable": false, "generated": false}, {"id": "card_v_6667cbff7155", "title": "/24 → 2⁸ − 2 = 254 usable hosts", "shelf": "networking", "surface": "secular", "snippet": "Verdict: HOLDS.\n• networking.subnet_host_count: /24 has 254 usable hosts (matches claim)\nSealed and independently re-checkable: https://narrowhighway.com/s/75c4e49ba527c335c5c03226ddc0c5f22454d9d35393", "authority_tier": "engine", "source": "Verified by the engine — networking", "readable": false, "generated": false}, {"id": "card_src_book_15285", "title": "The Hosts of the Air — Joseph A. (Joseph Alexander) Altsheler", "shelf": "gutenberg", "surface": "secular", "snippet": "The Hosts of the Air, by Joseph A. (Joseph Alexander) Altsheler. Subjects: World War, 1914-1918 -- Fiction. Read the full text (public domain): https://www.gutenberg.org/ebooks/15285", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_pron_host", "title": "host", "shelf": "pronunciation", "surface": "secular", "snippet": "host: pronounced (ARPABET) HH OW1 S T. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "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_theory_network_theory"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}