{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:YOKISLFWV6UFLECRIVWL6TADIU","short_pith_number":"pith:YOKISLFW","canonical_record":{"source":{"id":"0809.1986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-11T12:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"342cf64f8e92b2f392e1adde1c708b9d1736f4327e80acae6a1283dd1a049b0e","abstract_canon_sha256":"16370435574f99d0f9b6fb03c9ff25195dafbd1efd2546cb5f64b0f873707704"},"schema_version":"1.0"},"canonical_sha256":"c394892cb6afa8559051456cbf4c03452ec07a521a1b4dcbfc3d71c0a2cea5ac","source":{"kind":"arxiv","id":"0809.1986","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.1986","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"arxiv_version","alias_value":"0809.1986v1","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.1986","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"pith_short_12","alias_value":"YOKISLFWV6UF","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"pith_short_16","alias_value":"YOKISLFWV6UFLECR","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"pith_short_8","alias_value":"YOKISLFW","created_at":"2026-07-04T15:15:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:YOKISLFWV6UFLECRIVWL6TADIU","target":"record","payload":{"canonical_record":{"source":{"id":"0809.1986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-11T12:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"342cf64f8e92b2f392e1adde1c708b9d1736f4327e80acae6a1283dd1a049b0e","abstract_canon_sha256":"16370435574f99d0f9b6fb03c9ff25195dafbd1efd2546cb5f64b0f873707704"},"schema_version":"1.0"},"canonical_sha256":"c394892cb6afa8559051456cbf4c03452ec07a521a1b4dcbfc3d71c0a2cea5ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:15:01.892576Z","signature_b64":"AqH0e672lKHpAJn27Z6JsnSKSuXyQBkWdvJl17Chw8ODiEV8rSC1PPksNuESyjHwF82CVIarA0W2mSP0IHeRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c394892cb6afa8559051456cbf4c03452ec07a521a1b4dcbfc3d71c0a2cea5ac","last_reissued_at":"2026-07-04T15:15:01.892175Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:15:01.892175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.1986","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":"2026-07-04T15:15:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wQmnMxZ6X1wYJSBWU36W/agPZJ5shvMjP3ZAXPcz3vXQEW3lIy9k2RwYq7Xuh+Xr0Fa/Wnh0yQMpGWnIL6fnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T02:47:50.201329Z"},"content_sha256":"156c1cf28bb9fd3c481d070ff5a2667bc29e50f96515469f9e3a19a328908a9a","schema_version":"1.0","event_id":"sha256:156c1cf28bb9fd3c481d070ff5a2667bc29e50f96515469f9e3a19a328908a9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:YOKISLFWV6UFLECRIVWL6TADIU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double-mode classical Cepheid models - revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"P. Moskalik, R. Smolec","submitted_at":"2008-09-11T12:59:53Z","abstract_excerpt":"For many years modeling of double-mode pulsation of classical pulsators was a challenging problem. Inclusion of turbulent convection into pulsation hydrocodes finally led to stable double-mode models. However, it was never analysed, which factor of turbulent convection is crucial. We show that the double-mode behaviour displayed in the computed models results from incorrect assumptions adopted in some of the pulsation hydrocodes, namely from the neglect of buoyant forces in convectively stable layers. This leads to significant turbulent energies and consequently to strong eddy-viscous damping "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.1986","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0809.1986/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:15:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NsI3+9YJ7W199tMHK1FcPgttG92G26Pm+0whdqCm31Ub9TapRmZ1KUCE0dESm9w3dL89ICPxoxuZyO4y18thAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T02:47:50.202092Z"},"content_sha256":"527402177be99a8177e8654482f3079fe04bb3411192bd45ae96a726309d2d2a","schema_version":"1.0","event_id":"sha256:527402177be99a8177e8654482f3079fe04bb3411192bd45ae96a726309d2d2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YOKISLFWV6UFLECRIVWL6TADIU/bundle.json","state_url":"https://pith.science/pith/YOKISLFWV6UFLECRIVWL6TADIU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YOKISLFWV6UFLECRIVWL6TADIU/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":"2026-08-22T02:47:50Z","links":{"resolver":"https://pith.science/pith/YOKISLFWV6UFLECRIVWL6TADIU","bundle":"https://pith.science/pith/YOKISLFWV6UFLECRIVWL6TADIU/bundle.json","state":"https://pith.science/pith/YOKISLFWV6UFLECRIVWL6TADIU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YOKISLFWV6UFLECRIVWL6TADIU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:YOKISLFWV6UFLECRIVWL6TADIU","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":"16370435574f99d0f9b6fb03c9ff25195dafbd1efd2546cb5f64b0f873707704","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-11T12:59:53Z","title_canon_sha256":"342cf64f8e92b2f392e1adde1c708b9d1736f4327e80acae6a1283dd1a049b0e"},"schema_version":"1.0","source":{"id":"0809.1986","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.1986","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"arxiv_version","alias_value":"0809.1986v1","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.1986","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"pith_short_12","alias_value":"YOKISLFWV6UF","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"pith_short_16","alias_value":"YOKISLFWV6UFLECR","created_at":"2026-07-04T15:15:01Z"},{"alias_kind":"pith_short_8","alias_value":"YOKISLFW","created_at":"2026-07-04T15:15:01Z"}],"graph_snapshots":[{"event_id":"sha256:527402177be99a8177e8654482f3079fe04bb3411192bd45ae96a726309d2d2a","target":"graph","created_at":"2026-07-04T15:15:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0809.1986/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For many years modeling of double-mode pulsation of classical pulsators was a challenging problem. Inclusion of turbulent convection into pulsation hydrocodes finally led to stable double-mode models. However, it was never analysed, which factor of turbulent convection is crucial. We show that the double-mode behaviour displayed in the computed models results from incorrect assumptions adopted in some of the pulsation hydrocodes, namely from the neglect of buoyant forces in convectively stable layers. This leads to significant turbulent energies and consequently to strong eddy-viscous damping ","authors_text":"P. Moskalik, R. Smolec","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-11T12:59:53Z","title":"Double-mode classical Cepheid models - revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.1986","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":"sha256:156c1cf28bb9fd3c481d070ff5a2667bc29e50f96515469f9e3a19a328908a9a","target":"record","created_at":"2026-07-04T15:15:01Z","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":"16370435574f99d0f9b6fb03c9ff25195dafbd1efd2546cb5f64b0f873707704","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-11T12:59:53Z","title_canon_sha256":"342cf64f8e92b2f392e1adde1c708b9d1736f4327e80acae6a1283dd1a049b0e"},"schema_version":"1.0","source":{"id":"0809.1986","kind":"arxiv","version":1}},"canonical_sha256":"c394892cb6afa8559051456cbf4c03452ec07a521a1b4dcbfc3d71c0a2cea5ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c394892cb6afa8559051456cbf4c03452ec07a521a1b4dcbfc3d71c0a2cea5ac","first_computed_at":"2026-07-04T15:15:01.892175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:15:01.892175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AqH0e672lKHpAJn27Z6JsnSKSuXyQBkWdvJl17Chw8ODiEV8rSC1PPksNuESyjHwF82CVIarA0W2mSP0IHeRAg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:15:01.892576Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.1986","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:156c1cf28bb9fd3c481d070ff5a2667bc29e50f96515469f9e3a19a328908a9a","sha256:527402177be99a8177e8654482f3079fe04bb3411192bd45ae96a726309d2d2a"],"state_sha256":"212d0951a350181447c72bfa10d679188ae9bcf33c7a0f278f198476a0f1c3f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GdPZrmb2U+VHYYV/VpKs47r4IJAFLoeOAFzcPRyhkpwwKkXsmft2sgULvPWoBkI2dc/lTJ+/tC3r5RFjbrItCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T02:47:50.208006Z","bundle_sha256":"9dcc8cf9d64b5e164c60fbe9dd2c1e8b4d6f2982e43506ae73805b3c133ac8fd"}}