{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZEIJX2BQX3APUTM4CRYB377IYV","short_pith_number":"pith:ZEIJX2BQ","canonical_record":{"source":{"id":"1010.5500","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-26T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"4a9012e34afa4f302f5ef0d27ad350b88dd06d4a02a04840d664a1e1956339d5","abstract_canon_sha256":"353687c061667e66fe8e03a379eca89c494f98d5b0ee3df2b1856a39b04db1fd"},"schema_version":"1.0"},"canonical_sha256":"c9109be830bec0fa4d9c14701dffe8c5764751852c5bc4246753c9028108986e","source":{"kind":"arxiv","id":"1010.5500","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5500","created_at":"2026-05-18T02:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5500v1","created_at":"2026-05-18T02:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5500","created_at":"2026-05-18T02:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZEIJX2BQX3AP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"ZEIJX2BQX3APUTM4","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"ZEIJX2BQ","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZEIJX2BQX3APUTM4CRYB377IYV","target":"record","payload":{"canonical_record":{"source":{"id":"1010.5500","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-26T20:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"4a9012e34afa4f302f5ef0d27ad350b88dd06d4a02a04840d664a1e1956339d5","abstract_canon_sha256":"353687c061667e66fe8e03a379eca89c494f98d5b0ee3df2b1856a39b04db1fd"},"schema_version":"1.0"},"canonical_sha256":"c9109be830bec0fa4d9c14701dffe8c5764751852c5bc4246753c9028108986e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:58.064832Z","signature_b64":"CLNNJAzoro/US/xMHEeuBw9MW6qpSILeRn9iWmrPry1JxqK2mEnaS3D+DoY1cgiJvijcgK7op/0dBx1k11GvBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9109be830bec0fa4d9c14701dffe8c5764751852c5bc4246753c9028108986e","last_reissued_at":"2026-05-18T02:04:58.064095Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:58.064095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.5500","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":"2026-05-18T02:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AKu8sBvB3SJNGg3xA+xo7ma8pznQc5RN5LDFiF05c7xqN29jI7RfVxyUHfF/lvFjmRIHDuQAaLjZ2j4IsWgFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:01:32.566777Z"},"content_sha256":"7962fe75d884921704b4c2c1ef50dedec88c0777995208dca5ea8116db10219c","schema_version":"1.0","event_id":"sha256:7962fe75d884921704b4c2c1ef50dedec88c0777995208dca5ea8116db10219c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZEIJX2BQX3APUTM4CRYB377IYV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The extraordinary complex magnetic field of the helium-strong star HD 37776","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andreas Lundin, Dmitry Kudryavtsev, Iosif Romanyuk, Oleg Kochukhov","submitted_at":"2010-10-26T20:00:03Z","abstract_excerpt":"The early-type chemically peculiar stars often show strong magnetic fields on their surfaces. These magnetic topologies are organized on large scales and are believed to be close to an oblique dipole for most of the stars. In a striking exception to this general trend, the helium-strong star HD 37776 shows an extraordinary double-wave rotational modulation of the longitudinal magnetic field measurements, indicating a topologically complex and, possibly, record strong magnetic field. Here we present a new investigation of the magnetic field structure of HD 37776, using both simple geometrical i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5500","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":"2026-05-18T02:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4vPR5FsWCPPWy2r9P4swPnxJ+m5yRMMawSUTYKE50RWf381qNAXaXv0ZN6F4cGrUn05i2xIOhal1LC40XMMeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:01:32.567830Z"},"content_sha256":"2cbc2d2f36b13db3a063482767988893a4f107f892feb48eb2fc386b5f69ea65","schema_version":"1.0","event_id":"sha256:2cbc2d2f36b13db3a063482767988893a4f107f892feb48eb2fc386b5f69ea65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZEIJX2BQX3APUTM4CRYB377IYV/bundle.json","state_url":"https://pith.science/pith/ZEIJX2BQX3APUTM4CRYB377IYV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZEIJX2BQX3APUTM4CRYB377IYV/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":"2026-05-27T11:01:32Z","links":{"resolver":"https://pith.science/pith/ZEIJX2BQX3APUTM4CRYB377IYV","bundle":"https://pith.science/pith/ZEIJX2BQX3APUTM4CRYB377IYV/bundle.json","state":"https://pith.science/pith/ZEIJX2BQX3APUTM4CRYB377IYV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZEIJX2BQX3APUTM4CRYB377IYV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZEIJX2BQX3APUTM4CRYB377IYV","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":"353687c061667e66fe8e03a379eca89c494f98d5b0ee3df2b1856a39b04db1fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-26T20:00:03Z","title_canon_sha256":"4a9012e34afa4f302f5ef0d27ad350b88dd06d4a02a04840d664a1e1956339d5"},"schema_version":"1.0","source":{"id":"1010.5500","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5500","created_at":"2026-05-18T02:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5500v1","created_at":"2026-05-18T02:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5500","created_at":"2026-05-18T02:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZEIJX2BQX3AP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"ZEIJX2BQX3APUTM4","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"ZEIJX2BQ","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:2cbc2d2f36b13db3a063482767988893a4f107f892feb48eb2fc386b5f69ea65","target":"graph","created_at":"2026-05-18T02:04:58Z","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":"The early-type chemically peculiar stars often show strong magnetic fields on their surfaces. These magnetic topologies are organized on large scales and are believed to be close to an oblique dipole for most of the stars. In a striking exception to this general trend, the helium-strong star HD 37776 shows an extraordinary double-wave rotational modulation of the longitudinal magnetic field measurements, indicating a topologically complex and, possibly, record strong magnetic field. Here we present a new investigation of the magnetic field structure of HD 37776, using both simple geometrical i","authors_text":"Andreas Lundin, Dmitry Kudryavtsev, Iosif Romanyuk, Oleg Kochukhov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-26T20:00:03Z","title":"The extraordinary complex magnetic field of the helium-strong star HD 37776"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5500","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":"sha256:7962fe75d884921704b4c2c1ef50dedec88c0777995208dca5ea8116db10219c","target":"record","created_at":"2026-05-18T02:04:58Z","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":"353687c061667e66fe8e03a379eca89c494f98d5b0ee3df2b1856a39b04db1fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-26T20:00:03Z","title_canon_sha256":"4a9012e34afa4f302f5ef0d27ad350b88dd06d4a02a04840d664a1e1956339d5"},"schema_version":"1.0","source":{"id":"1010.5500","kind":"arxiv","version":1}},"canonical_sha256":"c9109be830bec0fa4d9c14701dffe8c5764751852c5bc4246753c9028108986e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9109be830bec0fa4d9c14701dffe8c5764751852c5bc4246753c9028108986e","first_computed_at":"2026-05-18T02:04:58.064095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:58.064095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CLNNJAzoro/US/xMHEeuBw9MW6qpSILeRn9iWmrPry1JxqK2mEnaS3D+DoY1cgiJvijcgK7op/0dBx1k11GvBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:58.064832Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.5500","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7962fe75d884921704b4c2c1ef50dedec88c0777995208dca5ea8116db10219c","sha256:2cbc2d2f36b13db3a063482767988893a4f107f892feb48eb2fc386b5f69ea65"],"state_sha256":"fbc2e784aeab5ba5304d23f996f85e6ca2763487f198a873aa36cbe87a4378af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vh1mn4dV7RZkX8mOQQcKw7kEawbvidb1wd6cvfX46lavH8N2J1ZlpcD2X0K3ZrQibvyat/AqHPVI6/qlooJEAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:01:32.571534Z","bundle_sha256":"af2a9ba1bfb21ae517efba8c94710d0f825fff52024e5e84e3f74cbd4004eb3d"}}