AI-generated conjecture · a wager, not a finding
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A snapshot from 1030 times the handbook's half-life
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Claim (verbatim)
Al-Bīrūnī's Taḥqīq mā li-l-Hind (c. 1030) is a dated external inventory of a working Sanskrit library — the books an astronomer-philologist in the Ghaznavid Panjab could actually obtain. He names the monument class (siddhāntas, the eighteen Purāṇas as a list, epic and dharma texts) and the working handbooks, the karaṇas: Brahmagupta's Khaṇḍakhādyaka, Vaṭeśvara's (his "Vitteśvara's") Karaṇasāra, Vijayanandin's Karaṇatilaka — this last now surviving only inside al-Bīrūnī's own Arabic as the Ghurrat al-zījāt. Monuments and consumables decay on different clocks: prestige siddhāntas and Purāṇas were curriculum and liturgy, while a karaṇa was a tool with an epoch, superseded by design and discarded in harness. His snapshot fixes the start line, so the differential can be measured over a controlled thousand-year lag. Prediction: classifying every Sanskrit work al-Bīrūnī names into handbook-class (karaṇa and kindred working manuals) versus monument-class (siddhānta, Purāṇa, epic, dharma), the fraction surviving in Sanskrit today will be at least twice as high for the monument class as for the handbook class, and at least one named handbook will survive only through his Arabic (primary clause: the twofold survival ratio; the verdict follows it). Exact computation: harvest the title-list from Sachau's index and resolve each title's survival against Pingree's Census and the New Catalogus Catalogorum. Kill: E. Sachau's Alberuni's India (London, 1888) title index, resolved against David Pingree's Census of the Exact Sciences in Sanskrit (American Philosophical Society, Series A, vols. 1-5) and the New Catalogus Catalogorum.
Prediction clause (verbatim)
Prediction: classifying every Sanskrit work al-Bīrūnī names into handbook-class (karaṇa and kindred working manuals) versus monument-class (siddhānta, Purāṇa, epic, dharma), the fraction surviving in Sanskrit today will be at least twice as high for the monument class as for the handbook class, and at least one named handbook will survive only through his Arabic (primary clause: the twofold survival ratio; the verdict follows it). Exact computation: harvest the title-list from Sachau's index and resolve each title's survival against Pingree's Census and the New Catalogus Catalogorum.
Kill-dataset (verbatim)
Kill: E. Sachau's Alberuni's India (London, 1888) title index, resolved against David Pingree's Census of the Exact Sciences in Sanskrit (American Philosophical Society, Series A, vols. 1-5) and the New Catalogus Catalogorum.
Nobody has run this test. The kill-data is named above. If you can run it — or you know the paper that already settles it — claim the kill or submit the prior scholarship. Kills and prior scholarship are credited here, by name, as they come in.
Provenance
Run: Fresh agent generation · model: claude-fable-5
Fresh blind generation by claude-fable-5, 2026-07-16, breadth wave weighting India/South Asia by inferred textual production rather than survival; every item grounded in real works, authors, catalogues, and testimonia, including the real evidence of loss (citing authors, catalogue entries, translation corpora, rediscovery cases); no fabricated citations.
Novelty / leakage triage
anticipated in the literature — this exact test has never been run
That the Karanatilaka survives only inside al-Biruni's Arabic (the Ghurrat al-zijat, unique Ahmadabad manuscript) is published in Pingree's reference works, and the ephemeral-by-design character of the karana genre is a known theme of the history of jyotisa. Nobody has tabulated survival rates over al-Biruni's full title inventory to test the monument-versus-handbook differential.
- D. Pingree, Census of the Exact Sciences in Sanskrit, Series A (American Philosophical Society), s.v. Vijayanandin; also his 'Vijayananda' entry, Dictionary of Scientific Biography
- E. Sachau, Alberuni's India, 2 vols. (London, 1888)
Predictions
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