{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:W4U53KPVIO234YPNIVIMEGT6AH","short_pith_number":"pith:W4U53KPV","canonical_record":{"source":{"id":"1601.07762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T13:58:18Z","cross_cats_sorted":[],"title_canon_sha256":"da3879e0308aaf4768dab2762f1013993e147cee4da9c3d3f7901a01a6e082bb","abstract_canon_sha256":"d6662b10521c31cdd98e3e4826826e0b1b7ddf36a99bed96d98eddce872dc0ee"},"schema_version":"1.0"},"canonical_sha256":"b729dda9f543b5be61ed4550c21a7e01fc0b144167886ab599f63473534146d7","source":{"kind":"arxiv","id":"1601.07762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07762","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07762v1","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07762","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"pith_short_12","alias_value":"W4U53KPVIO23","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"W4U53KPVIO234YPN","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"W4U53KPV","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:W4U53KPVIO234YPNIVIMEGT6AH","target":"record","payload":{"canonical_record":{"source":{"id":"1601.07762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T13:58:18Z","cross_cats_sorted":[],"title_canon_sha256":"da3879e0308aaf4768dab2762f1013993e147cee4da9c3d3f7901a01a6e082bb","abstract_canon_sha256":"d6662b10521c31cdd98e3e4826826e0b1b7ddf36a99bed96d98eddce872dc0ee"},"schema_version":"1.0"},"canonical_sha256":"b729dda9f543b5be61ed4550c21a7e01fc0b144167886ab599f63473534146d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:17.613744Z","signature_b64":"CLtzoitDzU0aut87u6XbEs5BxQGTbro6OhqZnoYefRPpRqvxOoRjVNZlOi4IwwWctG0FS4QuxAr2eXj+GufABg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b729dda9f543b5be61ed4550c21a7e01fc0b144167886ab599f63473534146d7","last_reissued_at":"2026-05-18T01:17:17.613001Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:17.613001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.07762","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":"2026-05-18T01:17:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b4SxX4mG3+c5HPi8J1IXGxJmhStEyBGM6PRMVNF93GPQz7DGuMovwx17hTyVoaqVQkmkrdx7+fxQK2Tv2kdtCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T23:00:34.781731Z"},"content_sha256":"b21f78494c5e6a2ad15f450ba99bf87c118e217f873ed1d2bd949838b1f3cee3","schema_version":"1.0","event_id":"sha256:b21f78494c5e6a2ad15f450ba99bf87c118e217f873ed1d2bd949838b1f3cee3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:W4U53KPVIO234YPNIVIMEGT6AH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The magnetic field of the double-lined spectroscopic binary system HD 5550","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Tkachenko, B. Leroy, C. Neiner, C.P. Folsom, E. Alecian, the BinaMIcS collaboration","submitted_at":"2016-01-28T13:58:18Z","abstract_excerpt":"(Abridged) In the framework of the BinaMicS project, we have begun a study of the magnetic properties of a sample of intermediate-mass and massive short-period binary systems, as a function of binarity properties. We report in this paper the characterisation of the magnetic field of HD 5550, a double-lined spectroscopic binary system of intermediate-mass, using high-resolution spectropolarimetric Narval observations of HD 5550. We first fit the intensity spectra using Zeeman/ATLAS9 LTE synthetic spectra to estimate the effective temperatures, microturbulent velocities, and the abundances of so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07762","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":"2026-05-18T01:17:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARFaiekUT8AGQBO4TYOUjZ3ZR+7lev/TCPXZbQvObEro/DDXfCazAWf34GXxvS9jBHudtLlgtibwW4XejrnKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T23:00:34.782531Z"},"content_sha256":"d3e0c9969c2d42a80b96d766865d3ab0c78f6edfd2c795cca1b39c4f6a5ff44f","schema_version":"1.0","event_id":"sha256:d3e0c9969c2d42a80b96d766865d3ab0c78f6edfd2c795cca1b39c4f6a5ff44f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W4U53KPVIO234YPNIVIMEGT6AH/bundle.json","state_url":"https://pith.science/pith/W4U53KPVIO234YPNIVIMEGT6AH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W4U53KPVIO234YPNIVIMEGT6AH/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":"2026-05-23T23:00:34Z","links":{"resolver":"https://pith.science/pith/W4U53KPVIO234YPNIVIMEGT6AH","bundle":"https://pith.science/pith/W4U53KPVIO234YPNIVIMEGT6AH/bundle.json","state":"https://pith.science/pith/W4U53KPVIO234YPNIVIMEGT6AH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W4U53KPVIO234YPNIVIMEGT6AH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:W4U53KPVIO234YPNIVIMEGT6AH","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":"d6662b10521c31cdd98e3e4826826e0b1b7ddf36a99bed96d98eddce872dc0ee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T13:58:18Z","title_canon_sha256":"da3879e0308aaf4768dab2762f1013993e147cee4da9c3d3f7901a01a6e082bb"},"schema_version":"1.0","source":{"id":"1601.07762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07762","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07762v1","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07762","created_at":"2026-05-18T01:17:17Z"},{"alias_kind":"pith_short_12","alias_value":"W4U53KPVIO23","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"W4U53KPVIO234YPN","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"W4U53KPV","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:d3e0c9969c2d42a80b96d766865d3ab0c78f6edfd2c795cca1b39c4f6a5ff44f","target":"graph","created_at":"2026-05-18T01:17:17Z","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":"(Abridged) In the framework of the BinaMicS project, we have begun a study of the magnetic properties of a sample of intermediate-mass and massive short-period binary systems, as a function of binarity properties. We report in this paper the characterisation of the magnetic field of HD 5550, a double-lined spectroscopic binary system of intermediate-mass, using high-resolution spectropolarimetric Narval observations of HD 5550. We first fit the intensity spectra using Zeeman/ATLAS9 LTE synthetic spectra to estimate the effective temperatures, microturbulent velocities, and the abundances of so","authors_text":"A. Tkachenko, B. Leroy, C. Neiner, C.P. Folsom, E. Alecian, the BinaMIcS collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T13:58:18Z","title":"The magnetic field of the double-lined spectroscopic binary system HD 5550"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07762","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:b21f78494c5e6a2ad15f450ba99bf87c118e217f873ed1d2bd949838b1f3cee3","target":"record","created_at":"2026-05-18T01:17:17Z","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":"d6662b10521c31cdd98e3e4826826e0b1b7ddf36a99bed96d98eddce872dc0ee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T13:58:18Z","title_canon_sha256":"da3879e0308aaf4768dab2762f1013993e147cee4da9c3d3f7901a01a6e082bb"},"schema_version":"1.0","source":{"id":"1601.07762","kind":"arxiv","version":1}},"canonical_sha256":"b729dda9f543b5be61ed4550c21a7e01fc0b144167886ab599f63473534146d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b729dda9f543b5be61ed4550c21a7e01fc0b144167886ab599f63473534146d7","first_computed_at":"2026-05-18T01:17:17.613001Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:17.613001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CLtzoitDzU0aut87u6XbEs5BxQGTbro6OhqZnoYefRPpRqvxOoRjVNZlOi4IwwWctG0FS4QuxAr2eXj+GufABg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:17.613744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.07762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b21f78494c5e6a2ad15f450ba99bf87c118e217f873ed1d2bd949838b1f3cee3","sha256:d3e0c9969c2d42a80b96d766865d3ab0c78f6edfd2c795cca1b39c4f6a5ff44f"],"state_sha256":"e353ed4abd28e06b0442e02d60a3d9bca13b08305797f138736c3a3d140dd52c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nDKRIeU4m2WzhwPZNjZ1lquNISWplSaQSGycXzmUk+lY1jSXL6cBUwwD0JLAY4ACyGqr6mmCkceHQ+jnBMnxCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T23:00:34.786541Z","bundle_sha256":"69d38c23c72c994e7039874ed3128d519bd1adac87067a14e8571c75b7692396"}}