{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IXXXLKSZHKDOEQJE4RKUMFL36H","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":"39005c93a0c1194d59ebe152671199dd742045ee7389b8813c1909486f412072","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-22T18:00:07Z","title_canon_sha256":"d65ff5990c934a66b66f7e1cccb3b736bdeca1d3783734b676fe9f469a322694"},"schema_version":"1.0","source":{"id":"1810.09464","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09464","created_at":"2026-05-18T00:01:57Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09464v1","created_at":"2026-05-18T00:01:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09464","created_at":"2026-05-18T00:01:57Z"},{"alias_kind":"pith_short_12","alias_value":"IXXXLKSZHKDO","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IXXXLKSZHKDOEQJE","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IXXXLKSZ","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:25386872d4aef7cf7bb2231ff1ec7b6cab3a4fd1d18791189958889b61a40994","target":"graph","created_at":"2026-05-18T00:01:57Z","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 present the analysis of six {\\it Chandra} X-ray high-resolution observations of the black hole low-mass X-ray binary 4U~1630-47 taken during its 2012-2013 outburst. {\\rm Fe}~{\\sc XXVI} K$\\alpha$, K$\\beta$, {\\rm Fe}~{\\sc XXV} K$\\alpha$, K$\\beta$ and {\\rm Ca}~{\\sc XX} K$\\alpha$ blueshifted absorption lines were identified in the first four observations, which correspond to soft accretion states. The remaining observations, associated to intermediate and possibly hard accretion states, do not show significant absorption features down to equivalent width of 1 eV for both {\\rm Fe}~{\\sc XXVI} and","authors_text":"E. Gatuzz, J.C.A. Miller-Jones, M. Diaz Trigo, S. Migliari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-22T18:00:07Z","title":"Chandra high-resolution spectra of 4U~1630-47: the disappearance of the wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09464","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:dd4dcac716fa7a35a54985558d0714691caaea388ac4a12f7bb9178ace15186b","target":"record","created_at":"2026-05-18T00:01:57Z","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":"39005c93a0c1194d59ebe152671199dd742045ee7389b8813c1909486f412072","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-22T18:00:07Z","title_canon_sha256":"d65ff5990c934a66b66f7e1cccb3b736bdeca1d3783734b676fe9f469a322694"},"schema_version":"1.0","source":{"id":"1810.09464","kind":"arxiv","version":1}},"canonical_sha256":"45ef75aa593a86e24124e45546157bf1e4d9810f97a50f1235ba8a943d32df88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45ef75aa593a86e24124e45546157bf1e4d9810f97a50f1235ba8a943d32df88","first_computed_at":"2026-05-18T00:01:57.236033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:57.236033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e1fMfhudFClNypz1FxZseRaseHo3oUlz9PknbO2kyRi5nbwldonqzeB09zNjMcCJb0Cx9NyyeMjAFfbif7ftCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:57.236664Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.09464","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd4dcac716fa7a35a54985558d0714691caaea388ac4a12f7bb9178ace15186b","sha256:25386872d4aef7cf7bb2231ff1ec7b6cab3a4fd1d18791189958889b61a40994"],"state_sha256":"6865e8aa448c14a204ba925adaa93290f170602a71fe33c35470cd0ae55868cc"}