{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:XECQDI257W2TR4YLEYBVAUSH6Y","short_pith_number":"pith:XECQDI25","canonical_record":{"source":{"id":"1303.1339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-06T14:18:11Z","cross_cats_sorted":[],"title_canon_sha256":"56cd21042211d25542e877f25b2802e8a9a77790a993d9024c3e1799eff8fc7c","abstract_canon_sha256":"e733db47345e4fcba0fdc76332e2b9a182821d956ea1cebea7703415a1726a84"},"schema_version":"1.0"},"canonical_sha256":"b90501a35dfdb538f30b2603505247f62fc5617929d3774e8bcf1805bdf04197","source":{"kind":"arxiv","id":"1303.1339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1339","created_at":"2026-05-18T01:51:16Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1339v1","created_at":"2026-05-18T01:51:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1339","created_at":"2026-05-18T01:51:16Z"},{"alias_kind":"pith_short_12","alias_value":"XECQDI257W2T","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XECQDI257W2TR4YL","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XECQDI25","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:XECQDI257W2TR4YLEYBVAUSH6Y","target":"record","payload":{"canonical_record":{"source":{"id":"1303.1339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-06T14:18:11Z","cross_cats_sorted":[],"title_canon_sha256":"56cd21042211d25542e877f25b2802e8a9a77790a993d9024c3e1799eff8fc7c","abstract_canon_sha256":"e733db47345e4fcba0fdc76332e2b9a182821d956ea1cebea7703415a1726a84"},"schema_version":"1.0"},"canonical_sha256":"b90501a35dfdb538f30b2603505247f62fc5617929d3774e8bcf1805bdf04197","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:16.250550Z","signature_b64":"Z2Av7rB6es0GVUdIWU/EcjUroYJLPShMl2NVCnVEANmaJIA57s82jFq3XRJ/erMk97i7KaAKtotc4ybPYo4cAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b90501a35dfdb538f30b2603505247f62fc5617929d3774e8bcf1805bdf04197","last_reissued_at":"2026-05-18T01:51:16.249930Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:16.249930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.1339","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":"2026-05-18T01:51:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ub4aSRHQ1pWdaoHoHVsBf6YSrCUFDsd8eOk1EnH4w+GolQyMHrSzwdZ0Ko4kdHKp3sSOZRG1mQvVgnnlNVI+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:17:02.201544Z"},"content_sha256":"40149f8d81dc2acc0a628ef15217a67ef456b53d479422cb194fa95dfce51fc3","schema_version":"1.0","event_id":"sha256:40149f8d81dc2acc0a628ef15217a67ef456b53d479422cb194fa95dfce51fc3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:XECQDI257W2TR4YLEYBVAUSH6Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The past and future evolution of a star like Betelgeuse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andre Maeder, Cyril Georgy, Georges Meynet, Jose Groh, Lionel Haemmerle, Sylvia Ekstrom","submitted_at":"2013-03-06T14:18:11Z","abstract_excerpt":"We discuss the physics and the evolution of a typical massive star passing through an evolutionary stage similar to that of Betelgeuse. After a brief introduction recalling various observed parameters of Betelgeuse, we discuss the Pre-Main-Sequence phase (PMS), the Main-Sequence (MS) phase, the physics governing the duration of the first crossing of the HR diagram, the red supergiant stage (RSG), the post-red supergiant phases and the final fate of solar metallicity stars with masses between 9 and 25 M$_\\odot$. We examine the impact of different initial rotation and of various prescriptions fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1339","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":"2026-05-18T01:51:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5lQOxKBcI+oWHr1Z92FtManJunsMYQDRosui0F0Y3gyOLU7Bq1LAMvvi5KpIQ/KJvSRFw0CruiUU7dOor1bfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:17:02.201888Z"},"content_sha256":"0c9253a38eb28c86283cc4b54af9803c2aeea90f65a0aa88d3ec2062de48605f","schema_version":"1.0","event_id":"sha256:0c9253a38eb28c86283cc4b54af9803c2aeea90f65a0aa88d3ec2062de48605f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XECQDI257W2TR4YLEYBVAUSH6Y/bundle.json","state_url":"https://pith.science/pith/XECQDI257W2TR4YLEYBVAUSH6Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XECQDI257W2TR4YLEYBVAUSH6Y/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":"2026-06-02T13:17:02Z","links":{"resolver":"https://pith.science/pith/XECQDI257W2TR4YLEYBVAUSH6Y","bundle":"https://pith.science/pith/XECQDI257W2TR4YLEYBVAUSH6Y/bundle.json","state":"https://pith.science/pith/XECQDI257W2TR4YLEYBVAUSH6Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XECQDI257W2TR4YLEYBVAUSH6Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XECQDI257W2TR4YLEYBVAUSH6Y","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":"e733db47345e4fcba0fdc76332e2b9a182821d956ea1cebea7703415a1726a84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-06T14:18:11Z","title_canon_sha256":"56cd21042211d25542e877f25b2802e8a9a77790a993d9024c3e1799eff8fc7c"},"schema_version":"1.0","source":{"id":"1303.1339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1339","created_at":"2026-05-18T01:51:16Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1339v1","created_at":"2026-05-18T01:51:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1339","created_at":"2026-05-18T01:51:16Z"},{"alias_kind":"pith_short_12","alias_value":"XECQDI257W2T","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XECQDI257W2TR4YL","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XECQDI25","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:0c9253a38eb28c86283cc4b54af9803c2aeea90f65a0aa88d3ec2062de48605f","target":"graph","created_at":"2026-05-18T01:51:16Z","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 the physics and the evolution of a typical massive star passing through an evolutionary stage similar to that of Betelgeuse. After a brief introduction recalling various observed parameters of Betelgeuse, we discuss the Pre-Main-Sequence phase (PMS), the Main-Sequence (MS) phase, the physics governing the duration of the first crossing of the HR diagram, the red supergiant stage (RSG), the post-red supergiant phases and the final fate of solar metallicity stars with masses between 9 and 25 M$_\\odot$. We examine the impact of different initial rotation and of various prescriptions fo","authors_text":"Andre Maeder, Cyril Georgy, Georges Meynet, Jose Groh, Lionel Haemmerle, Sylvia Ekstrom","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-06T14:18:11Z","title":"The past and future evolution of a star like Betelgeuse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1339","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":"sha256:40149f8d81dc2acc0a628ef15217a67ef456b53d479422cb194fa95dfce51fc3","target":"record","created_at":"2026-05-18T01:51:16Z","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":"e733db47345e4fcba0fdc76332e2b9a182821d956ea1cebea7703415a1726a84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-06T14:18:11Z","title_canon_sha256":"56cd21042211d25542e877f25b2802e8a9a77790a993d9024c3e1799eff8fc7c"},"schema_version":"1.0","source":{"id":"1303.1339","kind":"arxiv","version":1}},"canonical_sha256":"b90501a35dfdb538f30b2603505247f62fc5617929d3774e8bcf1805bdf04197","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b90501a35dfdb538f30b2603505247f62fc5617929d3774e8bcf1805bdf04197","first_computed_at":"2026-05-18T01:51:16.249930Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:16.249930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z2Av7rB6es0GVUdIWU/EcjUroYJLPShMl2NVCnVEANmaJIA57s82jFq3XRJ/erMk97i7KaAKtotc4ybPYo4cAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:16.250550Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40149f8d81dc2acc0a628ef15217a67ef456b53d479422cb194fa95dfce51fc3","sha256:0c9253a38eb28c86283cc4b54af9803c2aeea90f65a0aa88d3ec2062de48605f"],"state_sha256":"17cd8c349bb68d2f7d60706bff7e12814ff854f0c7411bd9d68cd6c5fff6d034"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iEWFl9/tC5uwuwm7UNDNmWSZVwPTvZBluaDa4fQtFl7O4pRk+OtErszz9pCWi9Qkx7FyOkuv7kcXCzFHaKE9AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T13:17:02.203864Z","bundle_sha256":"f9afc1eacb973af3f35c1125d611f8632847665ff663a77f5f7f379890fb7e0f"}}