{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:E2MHIISQZL2QLOQWQEZJA5TARW","short_pith_number":"pith:E2MHIISQ","canonical_record":{"source":{"id":"1804.05652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-16T13:14:32Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3be2350fb59aa965d9579a1d7ed1a820d07cb3db66c9d425dca0e2dd870b19fb","abstract_canon_sha256":"2f98c1d67fae9161140648255ef70b82e1832d693476426748a77aa1d07e3069"},"schema_version":"1.0"},"canonical_sha256":"2698742250caf505ba1681329076608d815c2d1bb48ec8c02290300e593d002c","source":{"kind":"arxiv","id":"1804.05652","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05652","created_at":"2026-05-17T23:55:42Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05652v1","created_at":"2026-05-17T23:55:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05652","created_at":"2026-05-17T23:55:42Z"},{"alias_kind":"pith_short_12","alias_value":"E2MHIISQZL2Q","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"E2MHIISQZL2QLOQW","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"E2MHIISQ","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:E2MHIISQZL2QLOQWQEZJA5TARW","target":"record","payload":{"canonical_record":{"source":{"id":"1804.05652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-16T13:14:32Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3be2350fb59aa965d9579a1d7ed1a820d07cb3db66c9d425dca0e2dd870b19fb","abstract_canon_sha256":"2f98c1d67fae9161140648255ef70b82e1832d693476426748a77aa1d07e3069"},"schema_version":"1.0"},"canonical_sha256":"2698742250caf505ba1681329076608d815c2d1bb48ec8c02290300e593d002c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:42.889865Z","signature_b64":"UqrMXra74YY6CxzD4AnA7HdzeH7IoPNrd/Br76WdaqzSSX9fqeNePweJOjAg/RJwiBM4SIGLxi/og1WgDiCeAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2698742250caf505ba1681329076608d815c2d1bb48ec8c02290300e593d002c","last_reissued_at":"2026-05-17T23:55:42.889274Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:42.889274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.05652","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":"2026-05-17T23:55:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z8bNBIJq0x2VWYTcJxDGU7FtZ5M63NsCZ7eiK1PDVdjS9FqQ5xTn9LL5OjGI66ZivbMJSH9pDvVYH4p0Z9eXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:02:13.298573Z"},"content_sha256":"bf63e4552ea2d864b19bfe7ab13b910b7062b0d857b39038241a04001ca16511","schema_version":"1.0","event_id":"sha256:bf63e4552ea2d864b19bfe7ab13b910b7062b0d857b39038241a04001ca16511"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:E2MHIISQZL2QLOQWQEZJA5TARW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Search for H I Lyman $\\alpha$ Counterparts to Ultra-Fast X-ray Outflows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"(2) Harvard University, (3) Harvard-Smithsonian Center for Astrophysics), A. Danehkar (3) ((1) STScI, G. A. Kriss (1), J. C. Lee (2)","submitted_at":"2018-04-16T13:14:32Z","abstract_excerpt":"Prompted by the H I Ly$\\alpha$ absorption associated with the X-ray ultra-fast outflow at -17,300 $\\rm km~s^{-1}$ in the quasar PG~1211+143, we have searched archival UV spectra at the expected locations of H I Ly$\\alpha$ absorption for a large sample of ultra-fast outflows identified in XMM-Newton and Suzaku observations. Sixteen of the X-ray outflows have predicted H I Ly$\\alpha$ wavelengths falling within the bandpass of spectra from either the Far Ultraviolet Spectroscopic Explorer or the Hubble Space Telescope, although none of the archival observations were simultaneous with the X-ray ob"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05652","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":"2026-05-17T23:55:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/XhTaWvXTONID+xX3Hy4Tw0sLrLirZOgraId37rmJOmCv+HGFUOFsJ4A6ckHPAvcxUeigt6uM6oKruhHlDdKBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:02:13.299355Z"},"content_sha256":"a96c1f24822bdf3f21a385ce80853e36e72a0e9e3789aa61ce5cc94957e8111e","schema_version":"1.0","event_id":"sha256:a96c1f24822bdf3f21a385ce80853e36e72a0e9e3789aa61ce5cc94957e8111e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E2MHIISQZL2QLOQWQEZJA5TARW/bundle.json","state_url":"https://pith.science/pith/E2MHIISQZL2QLOQWQEZJA5TARW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E2MHIISQZL2QLOQWQEZJA5TARW/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":"2026-05-31T09:02:13Z","links":{"resolver":"https://pith.science/pith/E2MHIISQZL2QLOQWQEZJA5TARW","bundle":"https://pith.science/pith/E2MHIISQZL2QLOQWQEZJA5TARW/bundle.json","state":"https://pith.science/pith/E2MHIISQZL2QLOQWQEZJA5TARW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E2MHIISQZL2QLOQWQEZJA5TARW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:E2MHIISQZL2QLOQWQEZJA5TARW","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":"2f98c1d67fae9161140648255ef70b82e1832d693476426748a77aa1d07e3069","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-16T13:14:32Z","title_canon_sha256":"3be2350fb59aa965d9579a1d7ed1a820d07cb3db66c9d425dca0e2dd870b19fb"},"schema_version":"1.0","source":{"id":"1804.05652","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05652","created_at":"2026-05-17T23:55:42Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05652v1","created_at":"2026-05-17T23:55:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05652","created_at":"2026-05-17T23:55:42Z"},{"alias_kind":"pith_short_12","alias_value":"E2MHIISQZL2Q","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"E2MHIISQZL2QLOQW","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"E2MHIISQ","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:a96c1f24822bdf3f21a385ce80853e36e72a0e9e3789aa61ce5cc94957e8111e","target":"graph","created_at":"2026-05-17T23:55:42Z","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":"Prompted by the H I Ly$\\alpha$ absorption associated with the X-ray ultra-fast outflow at -17,300 $\\rm km~s^{-1}$ in the quasar PG~1211+143, we have searched archival UV spectra at the expected locations of H I Ly$\\alpha$ absorption for a large sample of ultra-fast outflows identified in XMM-Newton and Suzaku observations. Sixteen of the X-ray outflows have predicted H I Ly$\\alpha$ wavelengths falling within the bandpass of spectra from either the Far Ultraviolet Spectroscopic Explorer or the Hubble Space Telescope, although none of the archival observations were simultaneous with the X-ray ob","authors_text":"(2) Harvard University, (3) Harvard-Smithsonian Center for Astrophysics), A. Danehkar (3) ((1) STScI, G. A. Kriss (1), J. C. Lee (2)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-16T13:14:32Z","title":"A Search for H I Lyman $\\alpha$ Counterparts to Ultra-Fast X-ray Outflows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05652","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:bf63e4552ea2d864b19bfe7ab13b910b7062b0d857b39038241a04001ca16511","target":"record","created_at":"2026-05-17T23:55:42Z","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":"2f98c1d67fae9161140648255ef70b82e1832d693476426748a77aa1d07e3069","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-16T13:14:32Z","title_canon_sha256":"3be2350fb59aa965d9579a1d7ed1a820d07cb3db66c9d425dca0e2dd870b19fb"},"schema_version":"1.0","source":{"id":"1804.05652","kind":"arxiv","version":1}},"canonical_sha256":"2698742250caf505ba1681329076608d815c2d1bb48ec8c02290300e593d002c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2698742250caf505ba1681329076608d815c2d1bb48ec8c02290300e593d002c","first_computed_at":"2026-05-17T23:55:42.889274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:42.889274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UqrMXra74YY6CxzD4AnA7HdzeH7IoPNrd/Br76WdaqzSSX9fqeNePweJOjAg/RJwiBM4SIGLxi/og1WgDiCeAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:42.889865Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.05652","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf63e4552ea2d864b19bfe7ab13b910b7062b0d857b39038241a04001ca16511","sha256:a96c1f24822bdf3f21a385ce80853e36e72a0e9e3789aa61ce5cc94957e8111e"],"state_sha256":"051e7871244f24998fb4a949067d17e269cba5b41a3ec9a66cf5432cc4a30383"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+2BCgfagTaxkswGcU0gUaQKUhSo6WZSaekUtJZNklbWkblj/FZIhERr2Ty14eoNClo0T2ABqtXzdlAY7M3+PAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:02:13.303459Z","bundle_sha256":"7b40aac46ce755812bd86703391fff26fe310d9e782083d809f4230cf7b8b07d"}}