{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ZZECPREMH5IDUB7BRRHXRGACWU","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":"ca329f83f7ebef4772e03a3afba86ecf0967208ea8c4dbdf691b60c6ff4d29fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-28T02:12:25Z","title_canon_sha256":"a6f77a355e33a9fe145a378e85b1f75283ec6c4c7ab8975fb5c13eed137498e4"},"schema_version":"1.0","source":{"id":"2002.12512","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.12512","created_at":"2026-07-05T00:55:11Z"},{"alias_kind":"arxiv_version","alias_value":"2002.12512v1","created_at":"2026-07-05T00:55:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.12512","created_at":"2026-07-05T00:55:11Z"},{"alias_kind":"pith_short_12","alias_value":"ZZECPREMH5ID","created_at":"2026-07-05T00:55:11Z"},{"alias_kind":"pith_short_16","alias_value":"ZZECPREMH5IDUB7B","created_at":"2026-07-05T00:55:11Z"},{"alias_kind":"pith_short_8","alias_value":"ZZECPREM","created_at":"2026-07-05T00:55:11Z"}],"graph_snapshots":[{"event_id":"sha256:b37e97acdb9ac8960fd95d03a288db687b4557b4507ae24654f754b6cf38457d","target":"graph","created_at":"2026-07-05T00:55:11Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2002.12512/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The magnetic field structure of a star-forming Bok globule BHR 71 was determined based on near-infrared polarimetric observations of background stars. The magnetic field in BHR 71 was mapped from 25 stars. By using a simple 2D parabolic function, the plane-of-sky magnetic axis of the core was found to be $\\theta_{\\rm mag} = 125^{\\circ} \\pm 11^{\\circ}$. The plane-of-sky mean magnetic field strength of BHR 71 was found to be $B_{\\rm pos} = 8.8 - 15.0$ $\\mu$G, indicating that the BHR 71 core is magnetically supercritical with $\\lambda = 1.44 - 2.43$. Taking into account the effect of thermal/turb","authors_text":"Jungmi Kwon, Ken'ichi Tatematsu, Kohji Tomisaka, Masao Saito, Motohide Tamura, Nobuhiko Kusakabe, Ryo Kandori, Ryo Tazaki, Takahiro Nagayama, Tetsuya Nagata, Tomoaki Matsumoto, Yasushi Nakajima","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-28T02:12:25Z","title":"Distortion of Magnetic Fields in BHR 71"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.12512","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:f29adaef7f135f6aae64ee1bd5f2302b81976db653fa40a540982166dfd182a0","target":"record","created_at":"2026-07-05T00:55:11Z","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":"ca329f83f7ebef4772e03a3afba86ecf0967208ea8c4dbdf691b60c6ff4d29fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-28T02:12:25Z","title_canon_sha256":"a6f77a355e33a9fe145a378e85b1f75283ec6c4c7ab8975fb5c13eed137498e4"},"schema_version":"1.0","source":{"id":"2002.12512","kind":"arxiv","version":1}},"canonical_sha256":"ce4827c48c3f503a07e18c4f789802b51769f19a7b10522e2214389393b51bee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce4827c48c3f503a07e18c4f789802b51769f19a7b10522e2214389393b51bee","first_computed_at":"2026-07-05T00:55:11.113130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:55:11.113130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R1tjtzlOegvpOxlOEHfRkSYv+7Eofq2kMRfpKsj+h1Z8nV8Jpw6juhF0bXvDrvHarwSHP7bFhD9nLzIbNBUKAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:55:11.113611Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.12512","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f29adaef7f135f6aae64ee1bd5f2302b81976db653fa40a540982166dfd182a0","sha256:b37e97acdb9ac8960fd95d03a288db687b4557b4507ae24654f754b6cf38457d"],"state_sha256":"93d9b7b00f840c163b13e65d282a2c991d63471bfa4e5c75557882c8e8ef6a78"}