{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YFSU6AMJHKKXXJHIRSLXVFGI6F","short_pith_number":"pith:YFSU6AMJ","canonical_record":{"source":{"id":"1609.00064","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-31T22:54:58Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1d57b6db0c22bb65c9a7abd53542ea3e2fa7ef327fdf0238fc6c96edce3a2ce1","abstract_canon_sha256":"dc02d5e01a3f8be23cabef9315ce3972675d576c42195f59cba72cf05b4995c9"},"schema_version":"1.0"},"canonical_sha256":"c1654f01893a957ba4e88c977a94c8f16bab5bb2d0611e21db90409e63126a01","source":{"kind":"arxiv","id":"1609.00064","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.00064","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1609.00064v1","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00064","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"YFSU6AMJHKKX","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YFSU6AMJHKKXXJHI","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YFSU6AMJ","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YFSU6AMJHKKXXJHIRSLXVFGI6F","target":"record","payload":{"canonical_record":{"source":{"id":"1609.00064","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-31T22:54:58Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1d57b6db0c22bb65c9a7abd53542ea3e2fa7ef327fdf0238fc6c96edce3a2ce1","abstract_canon_sha256":"dc02d5e01a3f8be23cabef9315ce3972675d576c42195f59cba72cf05b4995c9"},"schema_version":"1.0"},"canonical_sha256":"c1654f01893a957ba4e88c977a94c8f16bab5bb2d0611e21db90409e63126a01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:28.086143Z","signature_b64":"SW2unPGVV2RDIxeKiUi+6kpzlgr70cZBhpvt3D/stmmw5jN8bC9aun4NsljEam1PjIkPllqtpHZwQSKVepaXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1654f01893a957ba4e88c977a94c8f16bab5bb2d0611e21db90409e63126a01","last_reissued_at":"2026-05-18T01:06:28.085549Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:28.085549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.00064","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":"2026-05-18T01:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a/TJZqviFfTeidRFbp91buw1SrMkt0QdsENbm6jLm0u5YqBzxutw3L9dUfczKaMPqNF5ln3FbkwisEHBXNdlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:41:53.202197Z"},"content_sha256":"3ab409829d13b2959d3f32440607d927c7d77e5b9f907a81fd26d609a18ef5cf","schema_version":"1.0","event_id":"sha256:3ab409829d13b2959d3f32440607d927c7d77e5b9f907a81fd26d609a18ef5cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YFSU6AMJHKKXXJHIRSLXVFGI6F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for Fluorescent Fe II Emission from Extended Low Ionization Outflows in Obscured Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Chenwei Yang, Gary Ferland, Huiyuan Wang, Shaohua Zhang, Tinggui Wang","submitted_at":"2016-08-31T22:54:58Z","abstract_excerpt":"Recent studies have shown that outflows in at least some broad absorption line (BAL) quasars are extended well beyond the putative dusty torus. Such outflows should be detectable in obscured quasars. We present four WISE selected infrared red quasars with very strong and peculiar ultraviolet Fe ii emission lines: strong UV Fe II UV arising from transitions to ground/low excitation levels, and very weak Fe II at wavelengths longer than 2800 {\\AA}. The spectra of these quasars display strong resonant emission lines, such as C IV, Al III and Mg II but sometimes, a lack of non-resonant lines such "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00064","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":"2026-05-18T01:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ImjXZx+Zl36FS96bMVPYkYoUarrzoU4D9g68K7senM8zw7d/Wt4h/O2Mh760i28jtjBdihlF3ZUHcvPmHHMCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:41:53.202971Z"},"content_sha256":"d4f847e69eda1fca68626eeac3e85654cdeabcd490d0fac94b9a79d26adffef3","schema_version":"1.0","event_id":"sha256:d4f847e69eda1fca68626eeac3e85654cdeabcd490d0fac94b9a79d26adffef3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F/bundle.json","state_url":"https://pith.science/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F/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":"2026-05-19T08:41:53Z","links":{"resolver":"https://pith.science/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F","bundle":"https://pith.science/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F/bundle.json","state":"https://pith.science/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YFSU6AMJHKKXXJHIRSLXVFGI6F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YFSU6AMJHKKXXJHIRSLXVFGI6F","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":"dc02d5e01a3f8be23cabef9315ce3972675d576c42195f59cba72cf05b4995c9","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-31T22:54:58Z","title_canon_sha256":"1d57b6db0c22bb65c9a7abd53542ea3e2fa7ef327fdf0238fc6c96edce3a2ce1"},"schema_version":"1.0","source":{"id":"1609.00064","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.00064","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1609.00064v1","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00064","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"YFSU6AMJHKKX","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YFSU6AMJHKKXXJHI","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YFSU6AMJ","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:d4f847e69eda1fca68626eeac3e85654cdeabcd490d0fac94b9a79d26adffef3","target":"graph","created_at":"2026-05-18T01:06:28Z","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":"Recent studies have shown that outflows in at least some broad absorption line (BAL) quasars are extended well beyond the putative dusty torus. Such outflows should be detectable in obscured quasars. We present four WISE selected infrared red quasars with very strong and peculiar ultraviolet Fe ii emission lines: strong UV Fe II UV arising from transitions to ground/low excitation levels, and very weak Fe II at wavelengths longer than 2800 {\\AA}. The spectra of these quasars display strong resonant emission lines, such as C IV, Al III and Mg II but sometimes, a lack of non-resonant lines such ","authors_text":"Chenwei Yang, Gary Ferland, Huiyuan Wang, Shaohua Zhang, Tinggui Wang","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-31T22:54:58Z","title":"Evidence for Fluorescent Fe II Emission from Extended Low Ionization Outflows in Obscured Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00064","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":"sha256:3ab409829d13b2959d3f32440607d927c7d77e5b9f907a81fd26d609a18ef5cf","target":"record","created_at":"2026-05-18T01:06:28Z","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":"dc02d5e01a3f8be23cabef9315ce3972675d576c42195f59cba72cf05b4995c9","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-31T22:54:58Z","title_canon_sha256":"1d57b6db0c22bb65c9a7abd53542ea3e2fa7ef327fdf0238fc6c96edce3a2ce1"},"schema_version":"1.0","source":{"id":"1609.00064","kind":"arxiv","version":1}},"canonical_sha256":"c1654f01893a957ba4e88c977a94c8f16bab5bb2d0611e21db90409e63126a01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1654f01893a957ba4e88c977a94c8f16bab5bb2d0611e21db90409e63126a01","first_computed_at":"2026-05-18T01:06:28.085549Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:28.085549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SW2unPGVV2RDIxeKiUi+6kpzlgr70cZBhpvt3D/stmmw5jN8bC9aun4NsljEam1PjIkPllqtpHZwQSKVepaXAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:28.086143Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.00064","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ab409829d13b2959d3f32440607d927c7d77e5b9f907a81fd26d609a18ef5cf","sha256:d4f847e69eda1fca68626eeac3e85654cdeabcd490d0fac94b9a79d26adffef3"],"state_sha256":"e42d87a990826799816108bef3afda1e5462d3585f79a01c479837bb2759d58a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYcaAbV408Jd1CKnBv0AlQerFO14KpjAe1O91pCEtJqSkxfqCCg9iZQBRZWXtSTaLsePyTieOD2wSeGaGEkbAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T08:41:53.206705Z","bundle_sha256":"3fcfda2d4d875f459becd1cb16bb7efe6f13b3e8248e1e1e17ed64549233a846"}}