{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:VJV6C5YLWHHAUDENLLIVQQOHG5","short_pith_number":"pith:VJV6C5YL","schema_version":"1.0","canonical_sha256":"aa6be1770bb1ce0a0c8d5ad15841c7377ebb39a62555573a71e7be6fa6d0ba36","source":{"kind":"arxiv","id":"1011.3446","version":1},"attestation_state":"computed","paper":{"title":"Accretion Discs with an Inner Spiral Density Wave","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D.V. Bisikalo, M.M. Montgomery","submitted_at":"2010-11-15T16:51:43Z","abstract_excerpt":"In Montgomery (2009a), we show that accretion discs in binary systems could retrogradely precess by tidal torques like the Moon and the Sun on a tilted, spinning, non-spherical Earth. In addition, we show that the state of matter and the geometrical shape of the celestial object could significantly affect the precessional value. For example, a Cataclysmic Variable (CV) Dwarf Novae (DN) non-magnetic system that shows negative superhumps in its light curve can be described by a retrogradely precessing, differentially rotating, tilted disc. Because the disc is a fluid and because the gas stream o"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1011.3446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-11-15T16:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"b1de4d42acbafb92800019afed0be52b3f01d184c671fc89dbb64a94ec6ddbd9","abstract_canon_sha256":"b0a62919a2b5a35694e1dcf7ed3ff8e2e80a46deafbce89db69f827ca49b5701"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:47.480030Z","signature_b64":"08FOlsiqYGftttbMfVfbT48OUupx6SNGwBSUNGTcjV/NH/BrSPoKj37pg8DT7XTrO4E7bhZQtSOhws7ppfvEAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa6be1770bb1ce0a0c8d5ad15841c7377ebb39a62555573a71e7be6fa6d0ba36","last_reissued_at":"2026-05-18T02:04:47.479537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:47.479537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accretion Discs with an Inner Spiral Density Wave","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D.V. Bisikalo, M.M. Montgomery","submitted_at":"2010-11-15T16:51:43Z","abstract_excerpt":"In Montgomery (2009a), we show that accretion discs in binary systems could retrogradely precess by tidal torques like the Moon and the Sun on a tilted, spinning, non-spherical Earth. In addition, we show that the state of matter and the geometrical shape of the celestial object could significantly affect the precessional value. For example, a Cataclysmic Variable (CV) Dwarf Novae (DN) non-magnetic system that shows negative superhumps in its light curve can be described by a retrogradely precessing, differentially rotating, tilted disc. Because the disc is a fluid and because the gas stream o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.3446","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1011.3446","created_at":"2026-05-18T02:04:47.479615+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.3446v1","created_at":"2026-05-18T02:04:47.479615+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.3446","created_at":"2026-05-18T02:04:47.479615+00:00"},{"alias_kind":"pith_short_12","alias_value":"VJV6C5YLWHHA","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"VJV6C5YLWHHAUDEN","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"VJV6C5YL","created_at":"2026-05-18T12:26:15.391820+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5","json":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5.json","graph_json":"https://pith.science/api/pith-number/VJV6C5YLWHHAUDENLLIVQQOHG5/graph.json","events_json":"https://pith.science/api/pith-number/VJV6C5YLWHHAUDENLLIVQQOHG5/events.json","paper":"https://pith.science/paper/VJV6C5YL"},"agent_actions":{"view_html":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5","download_json":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5.json","view_paper":"https://pith.science/paper/VJV6C5YL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.3446&json=true","fetch_graph":"https://pith.science/api/pith-number/VJV6C5YLWHHAUDENLLIVQQOHG5/graph.json","fetch_events":"https://pith.science/api/pith-number/VJV6C5YLWHHAUDENLLIVQQOHG5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5/action/storage_attestation","attest_author":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5/action/author_attestation","sign_citation":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5/action/citation_signature","submit_replication":"https://pith.science/pith/VJV6C5YLWHHAUDENLLIVQQOHG5/action/replication_record"}},"created_at":"2026-05-18T02:04:47.479615+00:00","updated_at":"2026-05-18T02:04:47.479615+00:00"}