{"query": "Information is bits — the byte", "count": 20, "results": [{"id": "card_cs_bits", "title": "Information is bits — the byte", "shelf": "codex", "surface": "secular", "snippet": "Everything digital is bits, and n bits name 2^n things: a byte is 2^8 = 256 values (sealed). The bit is the atom of information (the Shannon bit, on the instruments); computing is what you do with eno", "authority_tier": "engine_derived", "source": "Narrow Highway — computer science", "readable": false, "generated": false}, {"id": "card_tool_sha256", "title": "SHA-256 / BLAKE3 cryptographic hashing", "shelf": "tools", "surface": "secular", "snippet": "SHA-256 / BLAKE3 cryptographic hashing — cryptography. GOOD AT: a fixed-size, collision-resistant fingerprint of any input — same bytes always hash the same, different bytes practically never collide.", "authority_tier": "battle-tested standard", "source": "The Tool Concordance — discern, connect, incorporate", "readable": false, "generated": false}, {"id": "card_src_pd_cu31924018105209", "title": "Mechanics' lien laws in Canada : with the acts of Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, and Saskatchewan, relating thereto, and annotations and ", "shelf": "practical", "surface": "secular", "snippet": "Mechanics' lien laws in Canada : with the acts of Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, and Saskatchewan, relating thereto, and annotations and forms of proceedings", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "generated": false}, {"id": "card_comms_packet_over_handheld", "title": "Text over a handheld — packet radio (AX.25 / APRS) with a sound-card TNC", "shelf": "communications", "surface": "secular", "snippet": "A VHF handheld can carry TEXT: packet radio sends short digital frames (AX.25) as 1200-baud audio tones (AFSK) over the ordinary voice channel. The parts: the handheld, a cable to a sound-card interfa", "authority_tier": "reference", "source": "FCC Part 97 — Amateur Radio Service (U.S. regulation, public domain)", "readable": false, "generated": false}, {"id": "card_sys_keeping_diode", "title": "The keeping's diode — the map built as the form it maps", "shelf": "systems", "surface": "secular", "snippet": "The engine itself is built as a rectifier, and this is the demonstration. Its craft cuts every card body OUT of anchored source bytes — card_from_span(sha, start, end) has no parameter through which c", "authority_tier": "reference", "source": "The recurring form — the system analogies (standard engineering) + the design they witness to", "readable": false, "generated": false}, {"id": "card_bridge_theory_double_entry_accounting_identity__cryptographic_security", "title": "Bridge: Double-entry accounting identity (A = L + E)  ↔  Cryptographic security (hashing, checksums, PKI)", "shelf": "bridges", "surface": "secular", "snippet": "Double-entry accounting identity (A = L + E) and Cryptographic security (hashing, checksums, PKI) are the same form in different domains. the identity is a CHECKSUM: single-entry has no internal test ", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19980227352", "title": "A Method of Solution with Tabulated Results for the Attached Oblique Shock-Wave System for Surfaces at Various Angles of Attack, Sweep, and Dihedral in an Equilibrium Real Gas Incl", "shelf": "science", "surface": "secular", "snippet": "A Method of Solution with Tabulated Results for the Attached Oblique Shock-Wave System for Surfaces at Various Angles of Attack, Sweep, and Dihedral in an Equilibrium Real Gas Including the Atmosphere", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19660004844", "title": "Chemical thermodynamics in nonferrous metallurgy. Volume III - Thermodynamics of tungsten, molybdenum, titanium, zirconium, niobium, and tantalum and of their more important compou", "shelf": "science", "surface": "secular", "snippet": "Chemical thermodynamics in nonferrous metallurgy. Volume III - Thermodynamics of tungsten, molybdenum, titanium, zirconium, niobium, and tantalum and of their more important compounds. A United States", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_20040105560", "title": "Determining Functional Reliability of Pyrotechnic Mechanical Devices", "shelf": "science", "surface": "secular", "snippet": "Determining Functional Reliability of Pyrotechnic Mechanical Devices. A United States federal publication, public domain (17 USC 105). The full text (37,014 bytes) is held on the ark; waybill sha256 6", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_martyrswhoforour01unit", "title": "The martyrs who, for our country, gave up their lives in the prison pens in Andersonville, Ga", "shelf": "practical", "surface": "secular", "snippet": "The martyrs who, for our country, gave up their lives in the prison pens in Andersonville, Ga. A United States federal publication, public domain (17 USC 105). The full text (808,013 bytes) is held on", "authority_tier": "reference", "source": "US Army field & technical manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_pd_listofbooksonhis00johnrich", "title": "A list of books on the history of industry and industrial arts", "shelf": "practical", "surface": "secular", "snippet": "A list of books on the history of industry and industrial arts (1915). A book returned to the public domain — archive.org copyright status: NOT_IN_COPYRIGHT. The full text (1,258,045 bytes) is held on", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "generated": false}, {"id": "card_src_fed_cat31056120", "title": "A short history of agricultural adjustment, 1933-75", "shelf": "agriculture", "surface": "secular", "snippet": "A short history of agricultural adjustment, 1933-75. A United States federal publication, public domain (17 USC 105). The full text (77,287 bytes) is held on the ark; waybill sha256 b1ec1996edad5106…;", "authority_tier": "reference", "source": "USDA publications (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_storagestormfall950unit", "title": "Storage, storm & fallout shelter", "shelf": "agriculture", "surface": "secular", "snippet": "Storage, storm & fallout shelter. A United States federal publication, public domain (17 USC 105). The full text (4,705 bytes) is held on the ark; waybill sha256 97653891c4785b75…; origin archive.org/", "authority_tier": "reference", "source": "USDA publications (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_falloutshelterfo948unit", "title": "Fallout shelter for six people", "shelf": "agriculture", "surface": "secular", "snippet": "Fallout shelter for six people. A United States federal publication, public domain (17 USC 105). The full text (8,794 bytes) is held on the ark; waybill sha256 430eccb11109a3c8…; origin archive.org/fa", "authority_tier": "reference", "source": "USDA publications (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_farmfalloutshelt910unit", "title": "Farm fallout shelter and storage", "shelf": "agriculture", "surface": "secular", "snippet": "Farm fallout shelter and storage. A United States federal publication, public domain (17 USC 105). The full text (4,725 bytes) is held on the ark; waybill sha256 d9eb8589eb577760…; origin archive.org/", "authority_tier": "reference", "source": "USDA publications (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_bunkertypefallou947unit", "title": "Bunker-type fallout shelter for beef cattle", "shelf": "agriculture", "surface": "secular", "snippet": "Bunker-type fallout shelter for beef cattle. A United States federal publication, public domain (17 USC 105). The full text (5,492 bytes) is held on the ark; waybill sha256 18241bc877eea8bc…; origin a", "authority_tier": "reference", "source": "USDA publications (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_pd_mechanicsengine08churgoog", "title": "Mechanics of engineering. Comprising statics and kinetics of solids; the mechanics of the materials of construction, or strength and elasticity of beams, columns, shafts, arches, e", "shelf": "practical", "surface": "secular", "snippet": "Mechanics of engineering. Comprising statics and kinetics of solids; the mechanics of the materials of construction, or strength and elasticity of beams, columns, shafts, arches, etc.; and the princip", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "generated": false}, {"id": "card_src_pd_irvingmechanics00churrich", "title": "Mechanics of engineering. Comprising statics and kinetics of solids; the mechanics of the materials of construction, or strength and elasticity of beams, columns, shafts, arches, e", "shelf": "practical", "surface": "secular", "snippet": "Mechanics of engineering. Comprising statics and kinetics of solids; the mechanics of the materials of construction, or strength and elasticity of beams, columns, shafts, arches, etc.; and the princip", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "generated": false}, {"id": "card_src_pd_elementsofmechan00wriguoft", "title": "Elements of mechanics, including kinematics, kinetics and statics, with applications", "shelf": "practical", "surface": "secular", "snippet": "Elements of mechanics, including kinematics, kinetics and statics, with applications (1904). A book returned to the public domain — archive.org copyright status: NOT_IN_COPYRIGHT. The full text (716,5", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "generated": false}, {"id": "card_src_pd_elementsofmechan00wrigrich", "title": "Elements of mechanics including kinematics, kinetics and statics, with applications", "shelf": "practical", "surface": "secular", "snippet": "Elements of mechanics including kinematics, kinetics and statics, with applications (1898). A book returned to the public domain — archive.org copyright status: NOT_IN_COPYRIGHT. The full text (799,07", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "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_cs_bits"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}