{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:E6XBHBVVIAU243Y2WZZXYWQ3X7","short_pith_number":"pith:E6XBHBVV","canonical_record":{"source":{"id":"1111.6065","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-25T17:39:24Z","cross_cats_sorted":[],"title_canon_sha256":"49425e4377e8d43c6d284df557995b8816196ec3d628b194ec4adbc77b9412a9","abstract_canon_sha256":"528038e31208ede704f1b2a2351b50c1c0cff86ff15c9358caca79092959c974"},"schema_version":"1.0"},"canonical_sha256":"27ae1386b54029ae6f1ab6737c5a1bbfe3b7061e582b21c1c0cb0d5d39489578","source":{"kind":"arxiv","id":"1111.6065","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6065","created_at":"2026-05-18T01:59:23Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6065v2","created_at":"2026-05-18T01:59:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6065","created_at":"2026-05-18T01:59:23Z"},{"alias_kind":"pith_short_12","alias_value":"E6XBHBVVIAU2","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E6XBHBVVIAU243Y2","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E6XBHBVV","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:E6XBHBVVIAU243Y2WZZXYWQ3X7","target":"record","payload":{"canonical_record":{"source":{"id":"1111.6065","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-25T17:39:24Z","cross_cats_sorted":[],"title_canon_sha256":"49425e4377e8d43c6d284df557995b8816196ec3d628b194ec4adbc77b9412a9","abstract_canon_sha256":"528038e31208ede704f1b2a2351b50c1c0cff86ff15c9358caca79092959c974"},"schema_version":"1.0"},"canonical_sha256":"27ae1386b54029ae6f1ab6737c5a1bbfe3b7061e582b21c1c0cb0d5d39489578","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:23.670849Z","signature_b64":"IEPkNHtGKq8utfcpkAjytcHxuD/DDL3XP7B80OYGZUKP6k07IA9DsDnZxRD2SgKygmCt4QA1+VwSL7m/ggepAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27ae1386b54029ae6f1ab6737c5a1bbfe3b7061e582b21c1c0cb0d5d39489578","last_reissued_at":"2026-05-18T01:59:23.670205Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:23.670205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.6065","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aktfBvC0QIIlppUUNunhPBpreaMpgcFaJnjCCa9ELAJzH4l3LyDW5NOEC16OSoRKyO4o3iZc2PdeNunsaU8nBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:52:52.340971Z"},"content_sha256":"02115b128a3da959d0e00d75d8461d2f27a7b57591b245eae4c3e3bef5808f0c","schema_version":"1.0","event_id":"sha256:02115b128a3da959d0e00d75d8461d2f27a7b57591b245eae4c3e3bef5808f0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:E6XBHBVVIAU243Y2WZZXYWQ3X7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetism, chemical spots, and stratification in the HgMn star phi Phoenicis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C. M. Johns-Krull, C. U. Keller, F. Snik, H. C. Stempels, J. A. Valenti, M. Rodenhuis, N. Piskunov, O. Kochukhov, S. V. Jeffers, V. Makaganiuk","submitted_at":"2011-11-25T17:39:24Z","abstract_excerpt":"Mercury-manganese (HgMn) stars have been considered as non-magnetic and non-variable chemically peculiar (CP) stars for a long time. However, recent discoveries of the variability in spectral line profiles have suggested an inhomogeneous surface distribution of chemical elements in some HgMn stars. From the studies of other CP stars it is known that magnetic field plays a key role in the formation of surface spots. All attempts to find magnetic fields in HgMn stars have yielded negative results. In this study, we investigate the possible presence of a magnetic field in phi Phe (HD 11753) and r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6065","kind":"arxiv","version":2},"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":"2026-05-18T01:59:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fxcnAUIYbDWcSQDL4MpIY+5VLUevprrqaMSYq5ODDteOmVD/VlpmkwfEtmiVERFEhPsu/Acf+fdG+jt8x4V9AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:52:52.341702Z"},"content_sha256":"19186e6fc657c6cf9367f66b069011f01f599d1232a98a80eb9b60b82011fa82","schema_version":"1.0","event_id":"sha256:19186e6fc657c6cf9367f66b069011f01f599d1232a98a80eb9b60b82011fa82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7/bundle.json","state_url":"https://pith.science/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7/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":"2026-05-30T11:52:52Z","links":{"resolver":"https://pith.science/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7","bundle":"https://pith.science/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7/bundle.json","state":"https://pith.science/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6XBHBVVIAU243Y2WZZXYWQ3X7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:E6XBHBVVIAU243Y2WZZXYWQ3X7","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":"528038e31208ede704f1b2a2351b50c1c0cff86ff15c9358caca79092959c974","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-25T17:39:24Z","title_canon_sha256":"49425e4377e8d43c6d284df557995b8816196ec3d628b194ec4adbc77b9412a9"},"schema_version":"1.0","source":{"id":"1111.6065","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6065","created_at":"2026-05-18T01:59:23Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6065v2","created_at":"2026-05-18T01:59:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6065","created_at":"2026-05-18T01:59:23Z"},{"alias_kind":"pith_short_12","alias_value":"E6XBHBVVIAU2","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E6XBHBVVIAU243Y2","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E6XBHBVV","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:19186e6fc657c6cf9367f66b069011f01f599d1232a98a80eb9b60b82011fa82","target":"graph","created_at":"2026-05-18T01:59:23Z","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":"Mercury-manganese (HgMn) stars have been considered as non-magnetic and non-variable chemically peculiar (CP) stars for a long time. However, recent discoveries of the variability in spectral line profiles have suggested an inhomogeneous surface distribution of chemical elements in some HgMn stars. From the studies of other CP stars it is known that magnetic field plays a key role in the formation of surface spots. All attempts to find magnetic fields in HgMn stars have yielded negative results. In this study, we investigate the possible presence of a magnetic field in phi Phe (HD 11753) and r","authors_text":"C. M. Johns-Krull, C. U. Keller, F. Snik, H. C. Stempels, J. A. Valenti, M. Rodenhuis, N. Piskunov, O. Kochukhov, S. V. Jeffers, V. Makaganiuk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-25T17:39:24Z","title":"Magnetism, chemical spots, and stratification in the HgMn star phi Phoenicis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6065","kind":"arxiv","version":2},"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":"sha256:02115b128a3da959d0e00d75d8461d2f27a7b57591b245eae4c3e3bef5808f0c","target":"record","created_at":"2026-05-18T01:59:23Z","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":"528038e31208ede704f1b2a2351b50c1c0cff86ff15c9358caca79092959c974","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-11-25T17:39:24Z","title_canon_sha256":"49425e4377e8d43c6d284df557995b8816196ec3d628b194ec4adbc77b9412a9"},"schema_version":"1.0","source":{"id":"1111.6065","kind":"arxiv","version":2}},"canonical_sha256":"27ae1386b54029ae6f1ab6737c5a1bbfe3b7061e582b21c1c0cb0d5d39489578","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27ae1386b54029ae6f1ab6737c5a1bbfe3b7061e582b21c1c0cb0d5d39489578","first_computed_at":"2026-05-18T01:59:23.670205Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:23.670205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IEPkNHtGKq8utfcpkAjytcHxuD/DDL3XP7B80OYGZUKP6k07IA9DsDnZxRD2SgKygmCt4QA1+VwSL7m/ggepAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:23.670849Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.6065","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02115b128a3da959d0e00d75d8461d2f27a7b57591b245eae4c3e3bef5808f0c","sha256:19186e6fc657c6cf9367f66b069011f01f599d1232a98a80eb9b60b82011fa82"],"state_sha256":"05cbef576fa79c279c8f1b5e966dd8cf011e11bbe9a2c1f871e7a7b5efa8a449"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+K3UPgr3hrf46Zub5D/+ldLROKRxnnopLN0FV7xjkYPjuQvgm7iQWI6DoL/1FCa/1d9TVrszVqN7+cpIcxXIDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:52:52.344081Z","bundle_sha256":"6d7ceb35d0017b541fabad412023fb95fa816debf0cc76b3d846bd3227a2636c"}}