{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KO55N4SD6RYZKHKUXU775KUM2W","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":"7fd7b6b5a8a8bdc0f5ec0f05d67479d96697e36ca97334923356b778990d9d90","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-09T18:09:14Z","title_canon_sha256":"6842c53c534a68f2809aed4d92c84a4dbbdbb02872298a26c2215acfd1a93671"},"schema_version":"1.0","source":{"id":"2303.05462","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.05462","created_at":"2026-07-05T06:19:56Z"},{"alias_kind":"arxiv_version","alias_value":"2303.05462v2","created_at":"2026-07-05T06:19:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.05462","created_at":"2026-07-05T06:19:56Z"},{"alias_kind":"pith_short_12","alias_value":"KO55N4SD6RYZ","created_at":"2026-07-05T06:19:56Z"},{"alias_kind":"pith_short_16","alias_value":"KO55N4SD6RYZKHKU","created_at":"2026-07-05T06:19:56Z"},{"alias_kind":"pith_short_8","alias_value":"KO55N4SD","created_at":"2026-07-05T06:19:56Z"}],"graph_snapshots":[{"event_id":"sha256:deb62d74165803ac3c9dae7ba349a071d2bd36af7ab202a892feb563b0bf392e","target":"graph","created_at":"2026-07-05T06:19:56Z","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/2303.05462/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a detailed spectro-polarimetric study of Black hole X-ray binary 4U $1630-47$ during its $2022$ outburst with IXPE and NICER observations. The source is observed in disk dominated thermal state (kT$_{in}\\approx1.4$ keV) with clear detection of absorption features at $6.69\\pm0.01$ keV and $6.97\\pm0.01$ keV from both NICER as well as IXPE spectra, likely indicating a coupling of disk-wind. A significant degree of polarization(PD) $= 8.33\\pm0.17\\%$ and polarization angle(PA) $=17.78^{\\circ}\\pm0.60^{\\circ}$ in the energy range of $2-8$ keV are measured with IXPE. PD is found to be an in","authors_text":"Ankur Kushwaha, Anuj Nandi, Kiran M. Jayasurya, Vivek K. Agrawal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-09T18:09:14Z","title":"IXPE and NICER view of Black hole X-ray binary 4U 1630-47: First significant detection of polarized emission in thermal state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.05462","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":"sha256:8612db8d9a6ea93dd2e68bc76a6975a1a354e6877740063f15150e59c2e7a046","target":"record","created_at":"2026-07-05T06:19:56Z","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":"7fd7b6b5a8a8bdc0f5ec0f05d67479d96697e36ca97334923356b778990d9d90","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-03-09T18:09:14Z","title_canon_sha256":"6842c53c534a68f2809aed4d92c84a4dbbdbb02872298a26c2215acfd1a93671"},"schema_version":"1.0","source":{"id":"2303.05462","kind":"arxiv","version":2}},"canonical_sha256":"53bbd6f243f471951d54bd3ffeaa8cd58d9e4f9dd9c8a83b55870e985797b389","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53bbd6f243f471951d54bd3ffeaa8cd58d9e4f9dd9c8a83b55870e985797b389","first_computed_at":"2026-07-05T06:19:56.855754Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:19:56.855754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YqK51t7XOzZDrZmqIGX7rdVIm+T2LcVCUVv2G77Gtwc9Jkl77a/zwsYeSfAsS25/+QUkWF9JxnXhQcq0/vFQAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:19:56.856175Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.05462","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8612db8d9a6ea93dd2e68bc76a6975a1a354e6877740063f15150e59c2e7a046","sha256:deb62d74165803ac3c9dae7ba349a071d2bd36af7ab202a892feb563b0bf392e"],"state_sha256":"b30127f0172a548dd46ca178cb46e521a5ab4748d3a2d12a2c884bc8a288496c"}