{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:PQJ42P3E7ZAGRCJW6G5XLMDAXW","short_pith_number":"pith:PQJ42P3E","canonical_record":{"source":{"id":"1302.0273","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-01T20:35:48Z","cross_cats_sorted":[],"title_canon_sha256":"d32a997044e28fec608e3fea153aade09ac8209df10d1497770da2df06f70e57","abstract_canon_sha256":"d7e7cc05a250e9783a995c3829ac6d5ff95f151d427f83d08ac855f41ef7a16c"},"schema_version":"1.0"},"canonical_sha256":"7c13cd3f64fe40688936f1bb75b060bdb4e889fa5affb5a84f27385d0b487795","source":{"kind":"arxiv","id":"1302.0273","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0273","created_at":"2026-05-18T01:51:51Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0273v3","created_at":"2026-05-18T01:51:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0273","created_at":"2026-05-18T01:51:51Z"},{"alias_kind":"pith_short_12","alias_value":"PQJ42P3E7ZAG","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PQJ42P3E7ZAGRCJW","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PQJ42P3E","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:PQJ42P3E7ZAGRCJW6G5XLMDAXW","target":"record","payload":{"canonical_record":{"source":{"id":"1302.0273","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-01T20:35:48Z","cross_cats_sorted":[],"title_canon_sha256":"d32a997044e28fec608e3fea153aade09ac8209df10d1497770da2df06f70e57","abstract_canon_sha256":"d7e7cc05a250e9783a995c3829ac6d5ff95f151d427f83d08ac855f41ef7a16c"},"schema_version":"1.0"},"canonical_sha256":"7c13cd3f64fe40688936f1bb75b060bdb4e889fa5affb5a84f27385d0b487795","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:51.267857Z","signature_b64":"CxofU4mJglsQ1mWn7NDFsi2gZanPtiIS0QnSg0UbfVGfSiAiWsscyhaLmRnedAUf/dGYEhV4e1UkdSlJm2OaCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c13cd3f64fe40688936f1bb75b060bdb4e889fa5affb5a84f27385d0b487795","last_reissued_at":"2026-05-18T01:51:51.267412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:51.267412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.0273","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:51:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HFDAykjvtGY+6eRKyhFND4GtOyHcam5ZJQHpCaLHqHQALN19zZaAV5R9NmOnDVUFoPZiT3pQg077fvubKiPMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:14:52.936177Z"},"content_sha256":"7fc1aea6c3b0f603cc984304a91c6f3fcd604e2815e99da28917870ec0fe001e","schema_version":"1.0","event_id":"sha256:7fc1aea6c3b0f603cc984304a91c6f3fcd604e2815e99da28917870ec0fe001e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:PQJ42P3E7ZAGRCJW6G5XLMDAXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stability of magnetic fields in non-barotropic stars: an analytic treatment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alpha Mastrano, Andreas Reisenegger, Pablo Marchant, Taner Akg\\\"un","submitted_at":"2013-02-01T20:35:48Z","abstract_excerpt":"Magnetic fields in upper main-sequence stars, white dwarfs, and neutron stars are known to persist for timescales comparable to their lifetimes. From a theoretical perspective this is problematic, as it can be shown that simple magnetic field configurations are always unstable. In non-barotropic stars, stable stratification allows for a much wider range of magnetic field structures than in barotropic stars, and helps stabilize them by making it harder to induce radial displacements. Recent simulations by Braithwaite and collaborators have shown that, in stably stratified stars, random initial "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0273","kind":"arxiv","version":3},"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":"2026-05-18T01:51:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qr7gHayFzY+6X0tDqSBGvvXeL3o8Lh5ccawUzOm6p6xN3ZWrzhYonuKAUzsTBBrSVDgdoxYocccjV+UX0I3FDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:14:52.936850Z"},"content_sha256":"b1210451b34184c2541dfcdc950b25d1d64b26137b784ec2498478f5a47efcd7","schema_version":"1.0","event_id":"sha256:b1210451b34184c2541dfcdc950b25d1d64b26137b784ec2498478f5a47efcd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW/bundle.json","state_url":"https://pith.science/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW/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":"2026-06-06T08:14:52Z","links":{"resolver":"https://pith.science/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW","bundle":"https://pith.science/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW/bundle.json","state":"https://pith.science/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQJ42P3E7ZAGRCJW6G5XLMDAXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:PQJ42P3E7ZAGRCJW6G5XLMDAXW","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":"d7e7cc05a250e9783a995c3829ac6d5ff95f151d427f83d08ac855f41ef7a16c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-01T20:35:48Z","title_canon_sha256":"d32a997044e28fec608e3fea153aade09ac8209df10d1497770da2df06f70e57"},"schema_version":"1.0","source":{"id":"1302.0273","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0273","created_at":"2026-05-18T01:51:51Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0273v3","created_at":"2026-05-18T01:51:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0273","created_at":"2026-05-18T01:51:51Z"},{"alias_kind":"pith_short_12","alias_value":"PQJ42P3E7ZAG","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PQJ42P3E7ZAGRCJW","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PQJ42P3E","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:b1210451b34184c2541dfcdc950b25d1d64b26137b784ec2498478f5a47efcd7","target":"graph","created_at":"2026-05-18T01:51:51Z","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":"Magnetic fields in upper main-sequence stars, white dwarfs, and neutron stars are known to persist for timescales comparable to their lifetimes. From a theoretical perspective this is problematic, as it can be shown that simple magnetic field configurations are always unstable. In non-barotropic stars, stable stratification allows for a much wider range of magnetic field structures than in barotropic stars, and helps stabilize them by making it harder to induce radial displacements. Recent simulations by Braithwaite and collaborators have shown that, in stably stratified stars, random initial ","authors_text":"Alpha Mastrano, Andreas Reisenegger, Pablo Marchant, Taner Akg\\\"un","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-01T20:35:48Z","title":"Stability of magnetic fields in non-barotropic stars: an analytic treatment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0273","kind":"arxiv","version":3},"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":"sha256:7fc1aea6c3b0f603cc984304a91c6f3fcd604e2815e99da28917870ec0fe001e","target":"record","created_at":"2026-05-18T01:51:51Z","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":"d7e7cc05a250e9783a995c3829ac6d5ff95f151d427f83d08ac855f41ef7a16c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-01T20:35:48Z","title_canon_sha256":"d32a997044e28fec608e3fea153aade09ac8209df10d1497770da2df06f70e57"},"schema_version":"1.0","source":{"id":"1302.0273","kind":"arxiv","version":3}},"canonical_sha256":"7c13cd3f64fe40688936f1bb75b060bdb4e889fa5affb5a84f27385d0b487795","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c13cd3f64fe40688936f1bb75b060bdb4e889fa5affb5a84f27385d0b487795","first_computed_at":"2026-05-18T01:51:51.267412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:51.267412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CxofU4mJglsQ1mWn7NDFsi2gZanPtiIS0QnSg0UbfVGfSiAiWsscyhaLmRnedAUf/dGYEhV4e1UkdSlJm2OaCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:51.267857Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.0273","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fc1aea6c3b0f603cc984304a91c6f3fcd604e2815e99da28917870ec0fe001e","sha256:b1210451b34184c2541dfcdc950b25d1d64b26137b784ec2498478f5a47efcd7"],"state_sha256":"28276b5f766ecf510ef461ba9e3dce25ea41582754cf890fde44989b437ca5af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"165BASzjs9K8RkmMYGmB0XtuyU7jsmgjBg9Zyf6IVJ0BR0MdBO+BXZK5MYHZA90aWOT/kTdRauX9QgSB+Jq8AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T08:14:52.941207Z","bundle_sha256":"09a08599cb9c80388771a06390010cb33a7fef5f86c6b926ed6bb3a0f7b5c444"}}