{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TZJCKCPBJJTJ2M5LI6ARFJF5W5","short_pith_number":"pith:TZJCKCPB","canonical_record":{"source":{"id":"1507.03430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T12:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"615628bc4947b98e5ef8a04c1e8d46d39d4751523782a059a68058ef0d67387c","abstract_canon_sha256":"1993c6515676e099878f2562f675c51137643b6c11222dac3c9a6a161646f559"},"schema_version":"1.0"},"canonical_sha256":"9e522509e14a669d33ab478112a4bdb7554dd6dba6010dfd446748c0cd25ca95","source":{"kind":"arxiv","id":"1507.03430","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03430","created_at":"2026-05-18T01:36:58Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03430v1","created_at":"2026-05-18T01:36:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03430","created_at":"2026-05-18T01:36:58Z"},{"alias_kind":"pith_short_12","alias_value":"TZJCKCPBJJTJ","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"TZJCKCPBJJTJ2M5L","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"TZJCKCPB","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TZJCKCPBJJTJ2M5LI6ARFJF5W5","target":"record","payload":{"canonical_record":{"source":{"id":"1507.03430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T12:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"615628bc4947b98e5ef8a04c1e8d46d39d4751523782a059a68058ef0d67387c","abstract_canon_sha256":"1993c6515676e099878f2562f675c51137643b6c11222dac3c9a6a161646f559"},"schema_version":"1.0"},"canonical_sha256":"9e522509e14a669d33ab478112a4bdb7554dd6dba6010dfd446748c0cd25ca95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:58.852853Z","signature_b64":"HebyAq34Vj59gwUwMP85ZZ0ww0QZ8Xff67fTTpHYRafE95LzEoJQLuYpqthjloCVgJgofWDXjQb8R6/d4fTXBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e522509e14a669d33ab478112a4bdb7554dd6dba6010dfd446748c0cd25ca95","last_reissued_at":"2026-05-18T01:36:58.852171Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:58.852171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.03430","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:36:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LCbXPMZIob1bSEJ9rUyFOmHcTEy52nePPKUFe2OHKWyMFiRIoJnOCNQLY2Vt9xcggv7Dwsb5hG054kq0qlv8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:32:34.940094Z"},"content_sha256":"11df54c3fe67f440fa2caab125abebe136be5c2ac2b349e9582571bbe70324e1","schema_version":"1.0","event_id":"sha256:11df54c3fe67f440fa2caab125abebe136be5c2ac2b349e9582571bbe70324e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TZJCKCPBJJTJ2M5LI6ARFJF5W5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Oscillatory convective modes in red giants: a possible explanation of the long secondary periods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Hideyuki Saio, Masaki Takayama, Peter R. Wood, Yoshifusa Ita","submitted_at":"2015-07-13T12:53:34Z","abstract_excerpt":"We discuss properties of oscillatory convective modes in low-mass red giants, and compare them with observed properties of the long secondary periods (LSPs) of semi-regular red giant variables. Oscillatory convective modes are very nonadiabatic g$^{-}$ modes and they are present in luminous stars, such as red giants with $\\log L/{\\rm L}_\\odot \\ga 3$. Finite amplitudes for these modes are confined to the outermost nonadiabatic layers, where the radiative energy flux is more important than the convective energy flux. The periods of oscillatory convection modes increase with luminosity, and the g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03430","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:36:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R2BSsWWjofqqtG0DRGvTtztj9W1W1LnsU34JWaoAp9tIuwGJKe3mjD02D8Q/1+FxdCbPKYTs4mBEW1ODyXkSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:32:34.940943Z"},"content_sha256":"e29bcc9d0602aad7ddff8e2cf70056564dd79d07d8a61696cbfaf0ca3b2d19ca","schema_version":"1.0","event_id":"sha256:e29bcc9d0602aad7ddff8e2cf70056564dd79d07d8a61696cbfaf0ca3b2d19ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5/bundle.json","state_url":"https://pith.science/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-16T06:32:34Z","links":{"resolver":"https://pith.science/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5","bundle":"https://pith.science/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5/bundle.json","state":"https://pith.science/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TZJCKCPBJJTJ2M5LI6ARFJF5W5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TZJCKCPBJJTJ2M5LI6ARFJF5W5","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":"1993c6515676e099878f2562f675c51137643b6c11222dac3c9a6a161646f559","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T12:53:34Z","title_canon_sha256":"615628bc4947b98e5ef8a04c1e8d46d39d4751523782a059a68058ef0d67387c"},"schema_version":"1.0","source":{"id":"1507.03430","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03430","created_at":"2026-05-18T01:36:58Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03430v1","created_at":"2026-05-18T01:36:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03430","created_at":"2026-05-18T01:36:58Z"},{"alias_kind":"pith_short_12","alias_value":"TZJCKCPBJJTJ","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"TZJCKCPBJJTJ2M5L","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"TZJCKCPB","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:e29bcc9d0602aad7ddff8e2cf70056564dd79d07d8a61696cbfaf0ca3b2d19ca","target":"graph","created_at":"2026-05-18T01:36:58Z","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":"We discuss properties of oscillatory convective modes in low-mass red giants, and compare them with observed properties of the long secondary periods (LSPs) of semi-regular red giant variables. Oscillatory convective modes are very nonadiabatic g$^{-}$ modes and they are present in luminous stars, such as red giants with $\\log L/{\\rm L}_\\odot \\ga 3$. Finite amplitudes for these modes are confined to the outermost nonadiabatic layers, where the radiative energy flux is more important than the convective energy flux. The periods of oscillatory convection modes increase with luminosity, and the g","authors_text":"Hideyuki Saio, Masaki Takayama, Peter R. Wood, Yoshifusa Ita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T12:53:34Z","title":"Oscillatory convective modes in red giants: a possible explanation of the long secondary periods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03430","kind":"arxiv","version":1},"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":"sha256:11df54c3fe67f440fa2caab125abebe136be5c2ac2b349e9582571bbe70324e1","target":"record","created_at":"2026-05-18T01:36:58Z","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":"1993c6515676e099878f2562f675c51137643b6c11222dac3c9a6a161646f559","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T12:53:34Z","title_canon_sha256":"615628bc4947b98e5ef8a04c1e8d46d39d4751523782a059a68058ef0d67387c"},"schema_version":"1.0","source":{"id":"1507.03430","kind":"arxiv","version":1}},"canonical_sha256":"9e522509e14a669d33ab478112a4bdb7554dd6dba6010dfd446748c0cd25ca95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e522509e14a669d33ab478112a4bdb7554dd6dba6010dfd446748c0cd25ca95","first_computed_at":"2026-05-18T01:36:58.852171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:58.852171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HebyAq34Vj59gwUwMP85ZZ0ww0QZ8Xff67fTTpHYRafE95LzEoJQLuYpqthjloCVgJgofWDXjQb8R6/d4fTXBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:58.852853Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.03430","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11df54c3fe67f440fa2caab125abebe136be5c2ac2b349e9582571bbe70324e1","sha256:e29bcc9d0602aad7ddff8e2cf70056564dd79d07d8a61696cbfaf0ca3b2d19ca"],"state_sha256":"1543d102ab77b54575bb7494dae3c1b75479428783eba44934d2e8b0116332b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZICPE4F5sreYzIqvb6vcCDqu03aQZJQmjrGWDzznCcDf9NtX9EUfe1nrM62DhzFk8kjwG3NuOW4cGYFrZGUyDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:32:34.948264Z","bundle_sha256":"0d28ac539da2cfcd0cb0978d97413de3b57bd8a451b385ad0b47acc13644be5d"}}