{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:5T3VNWLACKRRQBE6IGUPBWZ77J","short_pith_number":"pith:5T3VNWLA","canonical_record":{"source":{"id":"0705.1755","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-12T09:51:26Z","cross_cats_sorted":[],"title_canon_sha256":"0760d2c53127292377442d37f986ac4bdc018808e6af5da3b0bf7d783ccbccae","abstract_canon_sha256":"c1ec58a810357bd1cfb071965e25e68808286828ad8079fe118ab20256113874"},"schema_version":"1.0"},"canonical_sha256":"ecf756d96012a318049e41a8f0db3ffa5817d2067a1643135ef2c5ff02a81ea0","source":{"kind":"arxiv","id":"0705.1755","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0705.1755","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"0705.1755v1","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.1755","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"5T3VNWLACKRR","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"pith_short_16","alias_value":"5T3VNWLACKRRQBE6","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"pith_short_8","alias_value":"5T3VNWLA","created_at":"2026-07-04T17:03:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:5T3VNWLACKRRQBE6IGUPBWZ77J","target":"record","payload":{"canonical_record":{"source":{"id":"0705.1755","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-12T09:51:26Z","cross_cats_sorted":[],"title_canon_sha256":"0760d2c53127292377442d37f986ac4bdc018808e6af5da3b0bf7d783ccbccae","abstract_canon_sha256":"c1ec58a810357bd1cfb071965e25e68808286828ad8079fe118ab20256113874"},"schema_version":"1.0"},"canonical_sha256":"ecf756d96012a318049e41a8f0db3ffa5817d2067a1643135ef2c5ff02a81ea0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:03:49.342298Z","signature_b64":"CSF9VxrCURBvsiVz1ie3zWeeCH2Ify7MTcBk88muXa/iBFsbYgxUDhJEeAMjZjxxg1QZC4k/EfX0w2FeJI4pDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecf756d96012a318049e41a8f0db3ffa5817d2067a1643135ef2c5ff02a81ea0","last_reissued_at":"2026-07-04T17:03:49.341945Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:03:49.341945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0705.1755","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":"2026-07-04T17:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fZuGVTsRqPip6zhlWygrNxQd0tvzaxTx75iphP8w7OIZucZdSM8X6rRy+Pw9j7DQahwfHrnjHaUkB0DWjPuOCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:15:09.190972Z"},"content_sha256":"bc758782b50a1d5c548eda459902a0e311ddc7bcba83039b8b5824fa71c79e78","schema_version":"1.0","event_id":"sha256:bc758782b50a1d5c548eda459902a0e311ddc7bcba83039b8b5824fa71c79e78"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:5T3VNWLACKRRQBE6IGUPBWZ77J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-radial oscillations of the rapidly rotating Be star HD 163868","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"G.J. Savonije","submitted_at":"2007-05-12T09:51:26Z","abstract_excerpt":"We study the pulsational stability of the rapidly rotating Be star HD 163868 using a newly developed 2D oscillation code which takes the Coriolis force fully into account and compare our results with observations (MOST) and recent other stability analyses of this ~ 6 Msun star. We find both prograde and retrograde overstable modes (although more prograde than retrograde modes) and confirm the existence of low degree odd r-modes destabilised by the kappa-mechanism. The ultra-low frequency modes that could not be explained in a previous analysis are interpreted as high degree, retrograde m=1 mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.1755","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/0705.1755/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":"2026-07-04T17:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8ZCd9cfvQt9uC0voAvWq90VuDwgSCZ2vB0YjU9gTFBPmcuD+TK5Rf56SIRLhiXqC3BKdLadaHow0tg/yViTdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:15:09.191867Z"},"content_sha256":"5c612061687f81495cd21a616e567e4623ca6459728448ab84a6e4ca66223ffb","schema_version":"1.0","event_id":"sha256:5c612061687f81495cd21a616e567e4623ca6459728448ab84a6e4ca66223ffb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5T3VNWLACKRRQBE6IGUPBWZ77J/bundle.json","state_url":"https://pith.science/pith/5T3VNWLACKRRQBE6IGUPBWZ77J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5T3VNWLACKRRQBE6IGUPBWZ77J/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":"2026-08-05T06:15:09Z","links":{"resolver":"https://pith.science/pith/5T3VNWLACKRRQBE6IGUPBWZ77J","bundle":"https://pith.science/pith/5T3VNWLACKRRQBE6IGUPBWZ77J/bundle.json","state":"https://pith.science/pith/5T3VNWLACKRRQBE6IGUPBWZ77J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5T3VNWLACKRRQBE6IGUPBWZ77J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:5T3VNWLACKRRQBE6IGUPBWZ77J","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":"c1ec58a810357bd1cfb071965e25e68808286828ad8079fe118ab20256113874","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-12T09:51:26Z","title_canon_sha256":"0760d2c53127292377442d37f986ac4bdc018808e6af5da3b0bf7d783ccbccae"},"schema_version":"1.0","source":{"id":"0705.1755","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0705.1755","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"0705.1755v1","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.1755","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"5T3VNWLACKRR","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"pith_short_16","alias_value":"5T3VNWLACKRRQBE6","created_at":"2026-07-04T17:03:49Z"},{"alias_kind":"pith_short_8","alias_value":"5T3VNWLA","created_at":"2026-07-04T17:03:49Z"}],"graph_snapshots":[{"event_id":"sha256:5c612061687f81495cd21a616e567e4623ca6459728448ab84a6e4ca66223ffb","target":"graph","created_at":"2026-07-04T17:03:49Z","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/0705.1755/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the pulsational stability of the rapidly rotating Be star HD 163868 using a newly developed 2D oscillation code which takes the Coriolis force fully into account and compare our results with observations (MOST) and recent other stability analyses of this ~ 6 Msun star. We find both prograde and retrograde overstable modes (although more prograde than retrograde modes) and confirm the existence of low degree odd r-modes destabilised by the kappa-mechanism. The ultra-low frequency modes that could not be explained in a previous analysis are interpreted as high degree, retrograde m=1 mod","authors_text":"G.J. Savonije","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-05-12T09:51:26Z","title":"Non-radial oscillations of the rapidly rotating Be star HD 163868"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.1755","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:bc758782b50a1d5c548eda459902a0e311ddc7bcba83039b8b5824fa71c79e78","target":"record","created_at":"2026-07-04T17:03:49Z","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":"c1ec58a810357bd1cfb071965e25e68808286828ad8079fe118ab20256113874","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-12T09:51:26Z","title_canon_sha256":"0760d2c53127292377442d37f986ac4bdc018808e6af5da3b0bf7d783ccbccae"},"schema_version":"1.0","source":{"id":"0705.1755","kind":"arxiv","version":1}},"canonical_sha256":"ecf756d96012a318049e41a8f0db3ffa5817d2067a1643135ef2c5ff02a81ea0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecf756d96012a318049e41a8f0db3ffa5817d2067a1643135ef2c5ff02a81ea0","first_computed_at":"2026-07-04T17:03:49.341945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:03:49.341945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CSF9VxrCURBvsiVz1ie3zWeeCH2Ify7MTcBk88muXa/iBFsbYgxUDhJEeAMjZjxxg1QZC4k/EfX0w2FeJI4pDw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:03:49.342298Z","signed_message":"canonical_sha256_bytes"},"source_id":"0705.1755","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc758782b50a1d5c548eda459902a0e311ddc7bcba83039b8b5824fa71c79e78","sha256:5c612061687f81495cd21a616e567e4623ca6459728448ab84a6e4ca66223ffb"],"state_sha256":"c90c2a993c8fdd36c322a542bc89db283a0fce3ed345c9d10460e696c5f32e17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4NR6XqHnBBvH2ZhSxAKg3HSfUVjEXwOkniaG7afO63LjQdp8vvVTdQbajdgGewNDw85Po7KltR6y+R1N89a4AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:15:09.198144Z","bundle_sha256":"dab69d43201b59e17c8761c9d587bdd626971eaab2f47aa34a6ace401ca98a17"}}