{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:NBLUKNFUC34FLGBDNNT4PD7OBN","short_pith_number":"pith:NBLUKNFU","canonical_record":{"source":{"id":"1005.3793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-20T19:07:50Z","cross_cats_sorted":[],"title_canon_sha256":"4adfb62eddd3fdde19a207479c1913100730ecaf664782d8b9140b6949ae3216","abstract_canon_sha256":"4b9e0a2b583f6b72aef361577d08fcc8892ac8a0a96cc44b5a97bc4c03280643"},"schema_version":"1.0"},"canonical_sha256":"68574534b416f85598236b67c78fee0b45786dddfce74f716b04d2aa413d28f5","source":{"kind":"arxiv","id":"1005.3793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3793","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3793v1","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3793","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"pith_short_12","alias_value":"NBLUKNFUC34F","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"NBLUKNFUC34FLGBD","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"NBLUKNFU","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:NBLUKNFUC34FLGBDNNT4PD7OBN","target":"record","payload":{"canonical_record":{"source":{"id":"1005.3793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-20T19:07:50Z","cross_cats_sorted":[],"title_canon_sha256":"4adfb62eddd3fdde19a207479c1913100730ecaf664782d8b9140b6949ae3216","abstract_canon_sha256":"4b9e0a2b583f6b72aef361577d08fcc8892ac8a0a96cc44b5a97bc4c03280643"},"schema_version":"1.0"},"canonical_sha256":"68574534b416f85598236b67c78fee0b45786dddfce74f716b04d2aa413d28f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:16.192283Z","signature_b64":"JGnMU9wuTZPmlKLNqxHF7OwrcspeMiCYAWlFOPGnZUjO0ncgAYbzyYXMhw36SZ0XOkdfF2J86Mok27BAp6f6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68574534b416f85598236b67c78fee0b45786dddfce74f716b04d2aa413d28f5","last_reissued_at":"2026-05-18T02:07:16.191695Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:16.191695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.3793","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":"2026-05-18T02:07:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8VQlq7xTecGQY0ouBGwvYRr8O6i24tO5q8P49Q+QCkMxzux/L4y7Smr64kUi47DORfc58Oqp6cAVuB88k+o0Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:43:39.972504Z"},"content_sha256":"40dad0df369412f814e9348d7ebf0cba30fc1b10db5ae00717ae2a7acfde525f","schema_version":"1.0","event_id":"sha256:40dad0df369412f814e9348d7ebf0cba30fc1b10db5ae00717ae2a7acfde525f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:NBLUKNFUC34FLGBDNNT4PD7OBN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic field, chemical composition and line profile variability of the peculiar eclipsing binary star AR Aur","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C. P. Folsom, G. A. Wade, J. Silvester, O. Kochukhov, S. Bagnulo","submitted_at":"2010-05-20T19:07:50Z","abstract_excerpt":"AR Aur is the only eclipsing binary known to contain a HgMn star, making it an ideal case for a detailed study of the HgMn phenomenon. HgMn stars are a poorly understood class of chemically peculiar stars, which have traditionally been thought not to possess significant magnetic fields. However, the recent discovery of line profile variability in some HgMn stars, apparently attributable to surface abundance patches, has brought this belief into question. In this paper we investigate the chemical abundances, line profile variability, and magnetic field of the primary and secondary of the AR Aur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3793","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":"2026-05-18T02:07:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q8xDp53RWhCjiQq7g5M9Zh/W3C/hMxN0CgvI2CwB7KmX/N3JIAkROdDOq0g9U5c1Ck+KRzp3RKGqgmcwEpn5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:43:39.973147Z"},"content_sha256":"a1c712a399ab0049c13a1951d40822286b73a791125f59256bb3235585c43557","schema_version":"1.0","event_id":"sha256:a1c712a399ab0049c13a1951d40822286b73a791125f59256bb3235585c43557"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NBLUKNFUC34FLGBDNNT4PD7OBN/bundle.json","state_url":"https://pith.science/pith/NBLUKNFUC34FLGBDNNT4PD7OBN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NBLUKNFUC34FLGBDNNT4PD7OBN/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":"2026-05-26T16:43:39Z","links":{"resolver":"https://pith.science/pith/NBLUKNFUC34FLGBDNNT4PD7OBN","bundle":"https://pith.science/pith/NBLUKNFUC34FLGBDNNT4PD7OBN/bundle.json","state":"https://pith.science/pith/NBLUKNFUC34FLGBDNNT4PD7OBN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NBLUKNFUC34FLGBDNNT4PD7OBN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:NBLUKNFUC34FLGBDNNT4PD7OBN","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":"4b9e0a2b583f6b72aef361577d08fcc8892ac8a0a96cc44b5a97bc4c03280643","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-20T19:07:50Z","title_canon_sha256":"4adfb62eddd3fdde19a207479c1913100730ecaf664782d8b9140b6949ae3216"},"schema_version":"1.0","source":{"id":"1005.3793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3793","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3793v1","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3793","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"pith_short_12","alias_value":"NBLUKNFUC34F","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"NBLUKNFUC34FLGBD","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"NBLUKNFU","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:a1c712a399ab0049c13a1951d40822286b73a791125f59256bb3235585c43557","target":"graph","created_at":"2026-05-18T02:07:16Z","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":"AR Aur is the only eclipsing binary known to contain a HgMn star, making it an ideal case for a detailed study of the HgMn phenomenon. HgMn stars are a poorly understood class of chemically peculiar stars, which have traditionally been thought not to possess significant magnetic fields. However, the recent discovery of line profile variability in some HgMn stars, apparently attributable to surface abundance patches, has brought this belief into question. In this paper we investigate the chemical abundances, line profile variability, and magnetic field of the primary and secondary of the AR Aur","authors_text":"C. P. Folsom, G. A. Wade, J. Silvester, O. Kochukhov, S. Bagnulo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-20T19:07:50Z","title":"Magnetic field, chemical composition and line profile variability of the peculiar eclipsing binary star AR Aur"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3793","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":"sha256:40dad0df369412f814e9348d7ebf0cba30fc1b10db5ae00717ae2a7acfde525f","target":"record","created_at":"2026-05-18T02:07:16Z","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":"4b9e0a2b583f6b72aef361577d08fcc8892ac8a0a96cc44b5a97bc4c03280643","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-20T19:07:50Z","title_canon_sha256":"4adfb62eddd3fdde19a207479c1913100730ecaf664782d8b9140b6949ae3216"},"schema_version":"1.0","source":{"id":"1005.3793","kind":"arxiv","version":1}},"canonical_sha256":"68574534b416f85598236b67c78fee0b45786dddfce74f716b04d2aa413d28f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68574534b416f85598236b67c78fee0b45786dddfce74f716b04d2aa413d28f5","first_computed_at":"2026-05-18T02:07:16.191695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:16.191695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JGnMU9wuTZPmlKLNqxHF7OwrcspeMiCYAWlFOPGnZUjO0ncgAYbzyYXMhw36SZ0XOkdfF2J86Mok27BAp6f6BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:16.192283Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.3793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40dad0df369412f814e9348d7ebf0cba30fc1b10db5ae00717ae2a7acfde525f","sha256:a1c712a399ab0049c13a1951d40822286b73a791125f59256bb3235585c43557"],"state_sha256":"895383055f5401bbcd054b36e060cf49a09077f93f0e0029a202e63ddf0ff164"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jTnNQ67N0FE1NeED2JtGCqnz46uGTq1fXvcqs4OAthQXcfleDGnPrx8ZJSROKw15apI7NGpW1d/4Bl3TfkXYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:43:39.976573Z","bundle_sha256":"6d9b1ead37a921a633ae02c1cb98a7706dfed15f194e345b5a05c1df525a4f11"}}