{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UG4HYM5V4J2WTWQ4SZHJLMIVKB","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e1a6fdc9d97a4f638d2305390f7aef7b9655cb90d0d29383ecc258b105d2c2d5","cross_cats_sorted":["physics.hist-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-11-25T19:25:47Z","title_canon_sha256":"2f83c9af74d13605f3acd7bdb41ac2cc1652d915372530e107e093435db7e4f1"},"schema_version":"1.0","source":{"id":"1411.7312","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7312","created_at":"2026-05-18T02:32:30Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7312v2","created_at":"2026-05-18T02:32:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7312","created_at":"2026-05-18T02:32:30Z"},{"alias_kind":"pith_short_12","alias_value":"UG4HYM5V4J2W","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UG4HYM5V4J2WTWQ4","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UG4HYM5V","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:2eff0379b82fc9c3b1545d663b1429d076c32fe76564ba499118185f1a6e179e","target":"graph","created_at":"2026-05-18T02:32:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The Indo-aryans of ancient India observed stars and constellations for ascertaining auspicious times in order to conduct sacrificial rites ordained by vedas. It is but natural that they would have recounted in the vedic texts about comets. In Rigveda ($\\sim $ 1700 - 1500 BC) and Atharvaveda ($\\sim $ 1150 BC), there are references to dhumaketus and ketus, which stand for comets in Sanskrit. Rigveda mentions a fig tree with roots held up in the sky (Parpola 2009, 2010). Could it have been inspired by the hirsute appearance of a comet's tail? Similarly, could `Ketu' (the torso or the tail part of","authors_text":"Patrick Das Gupta","cross_cats":["physics.hist-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-11-25T19:25:47Z","title":"Comets in ancient India"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7312","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b4c2138f6d566995c52012eb00db6cfa5938973dce2aa1fde025dd12895209d7","target":"record","created_at":"2026-05-18T02:32:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e1a6fdc9d97a4f638d2305390f7aef7b9655cb90d0d29383ecc258b105d2c2d5","cross_cats_sorted":["physics.hist-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-11-25T19:25:47Z","title_canon_sha256":"2f83c9af74d13605f3acd7bdb41ac2cc1652d915372530e107e093435db7e4f1"},"schema_version":"1.0","source":{"id":"1411.7312","kind":"arxiv","version":2}},"canonical_sha256":"a1b87c33b5e27569da1c964e95b115506a21e434ae2bfa85a291c7772a05a9da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1b87c33b5e27569da1c964e95b115506a21e434ae2bfa85a291c7772a05a9da","first_computed_at":"2026-05-18T02:32:30.333187Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:30.333187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zxnir0xrr4JvOkmVrCX0+m93YENYzqhdz2VMZGyW3b7bptHwMhLK0Gka4EGBEwV3DvCxrFFyLncqLdaRDnOzBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:30.333617Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.7312","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4c2138f6d566995c52012eb00db6cfa5938973dce2aa1fde025dd12895209d7","sha256:2eff0379b82fc9c3b1545d663b1429d076c32fe76564ba499118185f1a6e179e"],"state_sha256":"1a47122b4e272e76e5a11a3d79000ee903100eda43d9806129fa64c6dd8b6742"}