{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:I34KWXFYM77BO42UNO3VQ3LUZJ","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":"ddfe057673f9833c8f320e83b912cf554019fc086de463359d6c9c2472392aa8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T14:32:33Z","title_canon_sha256":"66504aaf11ea5f571ae35cfb704f2023d2de1553e3292adade49ecddae24a902"},"schema_version":"1.0","source":{"id":"1010.3931","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3931","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3931v1","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3931","created_at":"2026-05-18T02:05:01Z"},{"alias_kind":"pith_short_12","alias_value":"I34KWXFYM77B","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"I34KWXFYM77BO42U","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"I34KWXFY","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:b3d55a92c6799aaf8ba798a51278193fbe435eb02f5202d5e9180fea0baaab60","target":"graph","created_at":"2026-05-18T02:05:01Z","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 performed a highly sensitive search for magnetic fields on a large set of HgMn stars. With the aid of a new polarimeter attached to the HARPS spectrometer at the ESO 3.6m-telescope, we obtained high-quality circular polarization spectra of 41 single and double HgMn stars. Using a multi-line analysis technique on each star, we co-added information from hundreds of spectral lines resulting in significantly greater sensitivity to the presence of magnetic fields, including very weak fields. For the 47 individual objects studied, including 6 components of SB2 systems, we do not detect any magnet","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":"2010-10-19T14:32:33Z","title":"The search for magnetic fields in mercury-manganese stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3931","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":"sha256:137ccd87db7b5459327bbe134293ded319247f891ca8e09ee8ff4cb93063d22c","target":"record","created_at":"2026-05-18T02:05:01Z","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":"ddfe057673f9833c8f320e83b912cf554019fc086de463359d6c9c2472392aa8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-19T14:32:33Z","title_canon_sha256":"66504aaf11ea5f571ae35cfb704f2023d2de1553e3292adade49ecddae24a902"},"schema_version":"1.0","source":{"id":"1010.3931","kind":"arxiv","version":1}},"canonical_sha256":"46f8ab5cb867fe1773546bb7586d74ca40a9a015a2130d575251ec640602b4ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46f8ab5cb867fe1773546bb7586d74ca40a9a015a2130d575251ec640602b4ef","first_computed_at":"2026-05-18T02:05:01.152861Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:01.152861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4hj0LHFT0FB3Z3rwVD1CbWa06YNq+gx068ydjqbImA3J6DfIOHTPFVtFE1mlAKVpe+4sGnhPfmpEyaLrqhInCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:01.153559Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.3931","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:137ccd87db7b5459327bbe134293ded319247f891ca8e09ee8ff4cb93063d22c","sha256:b3d55a92c6799aaf8ba798a51278193fbe435eb02f5202d5e9180fea0baaab60"],"state_sha256":"34a2437cd5bfcdff7cfa3605abd39dd302a3bf2d6b3fe0fca4f3c2e167f34dd7"}