{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DDBW43COGQFEZ3EH7VIJHENE5A","short_pith_number":"pith:DDBW43CO","canonical_record":{"source":{"id":"1608.06483","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-23T12:31:44Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"df31a48e96f0e949bfd9044a36dad1e23e8634671a06d4b94ede52a0ae1dd01b","abstract_canon_sha256":"f8e2e2de03ec6986375096bab59fc3510becb643224883a031fecb69a95e3ead"},"schema_version":"1.0"},"canonical_sha256":"18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e","source":{"kind":"arxiv","id":"1608.06483","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.06483","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1608.06483v1","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.06483","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"DDBW43COGQFE","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DDBW43COGQFEZ3EH","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DDBW43CO","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DDBW43COGQFEZ3EH7VIJHENE5A","target":"record","payload":{"canonical_record":{"source":{"id":"1608.06483","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-23T12:31:44Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"df31a48e96f0e949bfd9044a36dad1e23e8634671a06d4b94ede52a0ae1dd01b","abstract_canon_sha256":"f8e2e2de03ec6986375096bab59fc3510becb643224883a031fecb69a95e3ead"},"schema_version":"1.0"},"canonical_sha256":"18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:07.686058Z","signature_b64":"erAm6YXxxU10/CCohUm3vf/JPHx6BTrMLX6P/adiHhGm1R9Zl9ORKEet2tM1wRmqnimFJcMjpmpTToztzO+OBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e","last_reissued_at":"2026-05-18T00:53:07.685687Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:07.685687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.06483","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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eny99k85RQKC2N4vKJUKXEQ9oXmZFasuoQC01l49cGh6/fHL72xQqL6if9nwuRQuhU4KIQdZ5+7fRzn9NtojCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:57:02.803042Z"},"content_sha256":"2578d7035a650acfbdede694dfed105440bf8dd54c6cbb1c28deafa711580729","schema_version":"1.0","event_id":"sha256:2578d7035a650acfbdede694dfed105440bf8dd54c6cbb1c28deafa711580729"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DDBW43COGQFEZ3EH7VIJHENE5A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Sloan Digital Sky Survey Quasar Catalog: twelfth data release","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Adam D. Myers, Alina Streblyanska, Andrea Merloni, Andreu Font-Ribera, Antonis Georgakakis, Audrey Simmons, Christophe Y\\`eche, Daniel Oravetz, David H. Weinberg, David J. Schlegel, Dmitry Bizyaev, Donald P. Schneider, Elena Malanushenko, \\'Eric Armengaud, \\'Eric Aubourg, Francisco Prada, Franco D. Albareti, Fred Hamann, Isabelle P\\^aris, Jian Ge, Jo Bovy, Johan Comparat, Johannes Buchner, Kaike Pan, Karen Kinemuchi, Kirpal Nandra, Linhua Jian, Liu Zhu, Mara Salvato, Marcella Brusa, Marie-Luise Menzel, Matteo Viel, Matthew M. Pieri, Michael A. Strauss, Nathalie Palanque-Delabrouille, Nicholas P. Ross, Pasquier Noterdaeme, Patrick B. Hall, Patrick Petitjean, Richard G. McMahon, Rupert A.C. Croft, Stephen Bailey, Tom Dwelly, Viktor Malanushenko, W. Niel Brandt, Xiaohui Fan","submitted_at":"2016-08-23T12:31:44Z","abstract_excerpt":"We present the Data Release 12 Quasar catalog (DR12Q) from the Baryon Oscillation Spectroscopic Survey (BOSS) of the SDSS-III. This catalog includes all SDSS-III/BOSS objects that were spectroscopically targeted as quasar candidates during the full survey and that are confirmed as quasars via visual inspection of the spectra, have luminosities Mi[z=2]<-20.5 (in a LCDM cosmology with H_0 = 70 km/s/Mpc, Omega_M = 0.3, and Omega _L=0.7), and either display at least one emission line with a full width at half maximum (FWHM)larger than 500 km/s or, if not, have interesting/complex absorption featur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.06483","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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ef6rC3XBISVp1Og6DatShikQl1IQPBj8ySH6t/OUvbSSfTcKdBhnhX890DjEy3WcaDQPXTN//DbYexvOHGuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:57:02.803804Z"},"content_sha256":"57ce0de0ef316e289c7b7e454f41f011b050c84a4835dae5de80bf93e70a795d","schema_version":"1.0","event_id":"sha256:57ce0de0ef316e289c7b7e454f41f011b050c84a4835dae5de80bf93e70a795d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DDBW43COGQFEZ3EH7VIJHENE5A/bundle.json","state_url":"https://pith.science/pith/DDBW43COGQFEZ3EH7VIJHENE5A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DDBW43COGQFEZ3EH7VIJHENE5A/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":"2026-06-01T01:57:02Z","links":{"resolver":"https://pith.science/pith/DDBW43COGQFEZ3EH7VIJHENE5A","bundle":"https://pith.science/pith/DDBW43COGQFEZ3EH7VIJHENE5A/bundle.json","state":"https://pith.science/pith/DDBW43COGQFEZ3EH7VIJHENE5A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DDBW43COGQFEZ3EH7VIJHENE5A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DDBW43COGQFEZ3EH7VIJHENE5A","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":"f8e2e2de03ec6986375096bab59fc3510becb643224883a031fecb69a95e3ead","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-23T12:31:44Z","title_canon_sha256":"df31a48e96f0e949bfd9044a36dad1e23e8634671a06d4b94ede52a0ae1dd01b"},"schema_version":"1.0","source":{"id":"1608.06483","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.06483","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1608.06483v1","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.06483","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"DDBW43COGQFE","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DDBW43COGQFEZ3EH","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DDBW43CO","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:57ce0de0ef316e289c7b7e454f41f011b050c84a4835dae5de80bf93e70a795d","target":"graph","created_at":"2026-05-18T00:53:07Z","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 Data Release 12 Quasar catalog (DR12Q) from the Baryon Oscillation Spectroscopic Survey (BOSS) of the SDSS-III. This catalog includes all SDSS-III/BOSS objects that were spectroscopically targeted as quasar candidates during the full survey and that are confirmed as quasars via visual inspection of the spectra, have luminosities Mi[z=2]<-20.5 (in a LCDM cosmology with H_0 = 70 km/s/Mpc, Omega_M = 0.3, and Omega _L=0.7), and either display at least one emission line with a full width at half maximum (FWHM)larger than 500 km/s or, if not, have interesting/complex absorption featur","authors_text":"Adam D. Myers, Alina Streblyanska, Andrea Merloni, Andreu Font-Ribera, Antonis Georgakakis, Audrey Simmons, Christophe Y\\`eche, Daniel Oravetz, David H. Weinberg, David J. Schlegel, Dmitry Bizyaev, Donald P. Schneider, Elena Malanushenko, \\'Eric Armengaud, \\'Eric Aubourg, Francisco Prada, Franco D. Albareti, Fred Hamann, Isabelle P\\^aris, Jian Ge, Jo Bovy, Johan Comparat, Johannes Buchner, Kaike Pan, Karen Kinemuchi, Kirpal Nandra, Linhua Jian, Liu Zhu, Mara Salvato, Marcella Brusa, Marie-Luise Menzel, Matteo Viel, Matthew M. Pieri, Michael A. Strauss, Nathalie Palanque-Delabrouille, Nicholas P. Ross, Pasquier Noterdaeme, Patrick B. Hall, Patrick Petitjean, Richard G. McMahon, Rupert A.C. Croft, Stephen Bailey, Tom Dwelly, Viktor Malanushenko, W. Niel Brandt, Xiaohui Fan","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-23T12:31:44Z","title":"The Sloan Digital Sky Survey Quasar Catalog: twelfth data release"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.06483","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":"sha256:2578d7035a650acfbdede694dfed105440bf8dd54c6cbb1c28deafa711580729","target":"record","created_at":"2026-05-18T00:53:07Z","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":"f8e2e2de03ec6986375096bab59fc3510becb643224883a031fecb69a95e3ead","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-23T12:31:44Z","title_canon_sha256":"df31a48e96f0e949bfd9044a36dad1e23e8634671a06d4b94ede52a0ae1dd01b"},"schema_version":"1.0","source":{"id":"1608.06483","kind":"arxiv","version":1}},"canonical_sha256":"18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e","first_computed_at":"2026-05-18T00:53:07.685687Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:07.685687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"erAm6YXxxU10/CCohUm3vf/JPHx6BTrMLX6P/adiHhGm1R9Zl9ORKEet2tM1wRmqnimFJcMjpmpTToztzO+OBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:07.686058Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.06483","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2578d7035a650acfbdede694dfed105440bf8dd54c6cbb1c28deafa711580729","sha256:57ce0de0ef316e289c7b7e454f41f011b050c84a4835dae5de80bf93e70a795d"],"state_sha256":"0a511a9443e5545a1c619f1dd7c46a37cfef395a28f4732ec0aaa71696f8251d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4EuozJ7IyYGFvZmXG1nNzZhnV33KWHxJxKQ4EPvgBlGj0Jnlex+erpEOyO0DOoz2E+CM9AFEJHAb5As7cNr9Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:57:02.807910Z","bundle_sha256":"ab63b3367114270b6f56782a67e5d0e03a7c83eec52592463c76514c65f087b6"}}