{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:AX3JP3ZK66JZNI3JHTWDBUREUV","short_pith_number":"pith:AX3JP3ZK","canonical_record":{"source":{"id":"0806.4232","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-26T03:36:02Z","cross_cats_sorted":[],"title_canon_sha256":"f604089ced80cdf13456515592b48ed196825a10eda34022352d8d311148b023","abstract_canon_sha256":"3eae74393311d5c0d03c1c4b36e78d9c4df0dc8ad2bbd19f31eb463a375730f1"},"schema_version":"1.0"},"canonical_sha256":"05f697ef2af79396a3693cec30d224a57201374dafeee74a64e94e96c5cfd49b","source":{"kind":"arxiv","id":"0806.4232","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.4232","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"arxiv_version","alias_value":"0806.4232v1","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.4232","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"pith_short_12","alias_value":"AX3JP3ZK66JZ","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"pith_short_16","alias_value":"AX3JP3ZK66JZNI3J","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"pith_short_8","alias_value":"AX3JP3ZK","created_at":"2026-07-04T17:11:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:AX3JP3ZK66JZNI3JHTWDBUREUV","target":"record","payload":{"canonical_record":{"source":{"id":"0806.4232","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-26T03:36:02Z","cross_cats_sorted":[],"title_canon_sha256":"f604089ced80cdf13456515592b48ed196825a10eda34022352d8d311148b023","abstract_canon_sha256":"3eae74393311d5c0d03c1c4b36e78d9c4df0dc8ad2bbd19f31eb463a375730f1"},"schema_version":"1.0"},"canonical_sha256":"05f697ef2af79396a3693cec30d224a57201374dafeee74a64e94e96c5cfd49b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:11:32.251825Z","signature_b64":"xga8z6Yb7mn9ymReaz23gVBK3ziXyRLpTy8T3D56QjbdmBGSwoBkgOuDpHU8cPNLBbqeOEmqe3eCOOWNOjhEBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05f697ef2af79396a3693cec30d224a57201374dafeee74a64e94e96c5cfd49b","last_reissued_at":"2026-07-04T17:11:32.251447Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:11:32.251447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0806.4232","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":"2026-07-04T17:11:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XxXyeY51BWX1+lcO75jMKImyiHNKyK4HqUdNcCvZo/kmg55tWn0b1A3dKAhv/4dK0s/00TzgFGGMP6IvCXyVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:39:52.019567Z"},"content_sha256":"c1e665034a499f533080046547a6cfe57641f1f39a7151421880bfa5091550e1","schema_version":"1.0","event_id":"sha256:c1e665034a499f533080046547a6cfe57641f1f39a7151421880bfa5091550e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:AX3JP3ZK66JZNI3JHTWDBUREUV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical Spectroscopic Observations of Cyg X-1=HDE 226868","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Jingzhi Yan, Petr Hadrava, Qingzhong Liu","submitted_at":"2008-06-26T03:36:02Z","abstract_excerpt":"We present the results of the spectroscopic observations of HDE 226868, the optical counterpart to the black hole X-ray binary Cyg X-1, from 2001 to 2006. We analyze the variabilities of the two components in the complex H$\\alpha$ line: one P-Cygni shaped component which follows the motion of the supergiant and another emission component moving with an antiphase orbital motion relative to the supergiant, which is attributed to a focused-stellar wind. The results of KOREL disentangling of our spectra indicate that the focused stellar wind is responsible for the major part of the variability of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.4232","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0806.4232/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:11:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BDQKBzv70V57u+NDrUn7N2POziyVgHsM4/GPGRPIioliboL9KzEHCrvmBDEPeZivKyTUnC3mFzFO9n913Z8vDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:39:52.020068Z"},"content_sha256":"0a60609c04293cded48cb6df18764b04db0b50c81606ab10f4d3866265d313dc","schema_version":"1.0","event_id":"sha256:0a60609c04293cded48cb6df18764b04db0b50c81606ab10f4d3866265d313dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AX3JP3ZK66JZNI3JHTWDBUREUV/bundle.json","state_url":"https://pith.science/pith/AX3JP3ZK66JZNI3JHTWDBUREUV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AX3JP3ZK66JZNI3JHTWDBUREUV/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":"2026-08-12T14:39:52Z","links":{"resolver":"https://pith.science/pith/AX3JP3ZK66JZNI3JHTWDBUREUV","bundle":"https://pith.science/pith/AX3JP3ZK66JZNI3JHTWDBUREUV/bundle.json","state":"https://pith.science/pith/AX3JP3ZK66JZNI3JHTWDBUREUV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AX3JP3ZK66JZNI3JHTWDBUREUV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:AX3JP3ZK66JZNI3JHTWDBUREUV","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":"3eae74393311d5c0d03c1c4b36e78d9c4df0dc8ad2bbd19f31eb463a375730f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-26T03:36:02Z","title_canon_sha256":"f604089ced80cdf13456515592b48ed196825a10eda34022352d8d311148b023"},"schema_version":"1.0","source":{"id":"0806.4232","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0806.4232","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"arxiv_version","alias_value":"0806.4232v1","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0806.4232","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"pith_short_12","alias_value":"AX3JP3ZK66JZ","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"pith_short_16","alias_value":"AX3JP3ZK66JZNI3J","created_at":"2026-07-04T17:11:32Z"},{"alias_kind":"pith_short_8","alias_value":"AX3JP3ZK","created_at":"2026-07-04T17:11:32Z"}],"graph_snapshots":[{"event_id":"sha256:0a60609c04293cded48cb6df18764b04db0b50c81606ab10f4d3866265d313dc","target":"graph","created_at":"2026-07-04T17:11:32Z","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/0806.4232/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of the spectroscopic observations of HDE 226868, the optical counterpart to the black hole X-ray binary Cyg X-1, from 2001 to 2006. We analyze the variabilities of the two components in the complex H$\\alpha$ line: one P-Cygni shaped component which follows the motion of the supergiant and another emission component moving with an antiphase orbital motion relative to the supergiant, which is attributed to a focused-stellar wind. The results of KOREL disentangling of our spectra indicate that the focused stellar wind is responsible for the major part of the variability of ","authors_text":"Jingzhi Yan, Petr Hadrava, Qingzhong Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-26T03:36:02Z","title":"Optical Spectroscopic Observations of Cyg X-1=HDE 226868"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0806.4232","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:c1e665034a499f533080046547a6cfe57641f1f39a7151421880bfa5091550e1","target":"record","created_at":"2026-07-04T17:11:32Z","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":"3eae74393311d5c0d03c1c4b36e78d9c4df0dc8ad2bbd19f31eb463a375730f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-06-26T03:36:02Z","title_canon_sha256":"f604089ced80cdf13456515592b48ed196825a10eda34022352d8d311148b023"},"schema_version":"1.0","source":{"id":"0806.4232","kind":"arxiv","version":1}},"canonical_sha256":"05f697ef2af79396a3693cec30d224a57201374dafeee74a64e94e96c5cfd49b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05f697ef2af79396a3693cec30d224a57201374dafeee74a64e94e96c5cfd49b","first_computed_at":"2026-07-04T17:11:32.251447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:11:32.251447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xga8z6Yb7mn9ymReaz23gVBK3ziXyRLpTy8T3D56QjbdmBGSwoBkgOuDpHU8cPNLBbqeOEmqe3eCOOWNOjhEBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:11:32.251825Z","signed_message":"canonical_sha256_bytes"},"source_id":"0806.4232","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1e665034a499f533080046547a6cfe57641f1f39a7151421880bfa5091550e1","sha256:0a60609c04293cded48cb6df18764b04db0b50c81606ab10f4d3866265d313dc"],"state_sha256":"725955492e12b151518a960af0f72e0f95e25d32f421a50dd012351a358471fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NMBiuWXXj4D4/iE+Ij3DFYguUkMZu8sxi7nBD4iFiArq/2XT5FUxEhPwRoJvHIPCIyf+NubjB9Q5Jh+6qg7ADA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T14:39:52.023780Z","bundle_sha256":"8638a7632bdffeb01836bc75db40d61af6c89f05078babe121d48316a6f5b62c"}}