{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ERVD6ZHLYBKNFLO5P6YFJDBFKH","short_pith_number":"pith:ERVD6ZHL","canonical_record":{"source":{"id":"1811.01963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-05T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"e59d3a2d55a1d1c7c45f83d7d5db3b4db5c9fe3282a1aa5857b6b7bf8096c1d9","abstract_canon_sha256":"22f4cc53f69aaee2c57784cfecd7e051d4815ff8deb355231e425d90ff149f2c"},"schema_version":"1.0"},"canonical_sha256":"246a3f64ebc054d2addd7fb0548c2551d2f297f59b3698d3b831d9ff63069353","source":{"kind":"arxiv","id":"1811.01963","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.01963","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"1811.01963v1","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.01963","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"ERVD6ZHLYBKN","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"pith_short_16","alias_value":"ERVD6ZHLYBKNFLO5","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"pith_short_8","alias_value":"ERVD6ZHL","created_at":"2026-07-05T00:09:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ERVD6ZHLYBKNFLO5P6YFJDBFKH","target":"record","payload":{"canonical_record":{"source":{"id":"1811.01963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-05T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"e59d3a2d55a1d1c7c45f83d7d5db3b4db5c9fe3282a1aa5857b6b7bf8096c1d9","abstract_canon_sha256":"22f4cc53f69aaee2c57784cfecd7e051d4815ff8deb355231e425d90ff149f2c"},"schema_version":"1.0"},"canonical_sha256":"246a3f64ebc054d2addd7fb0548c2551d2f297f59b3698d3b831d9ff63069353","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:09:43.593629Z","signature_b64":"zIkAjjMJ3Tenwv8VLKC2anGJjWu7QBVIqPfeech4Ms+h31tS0WktBQ7WPzpOaPI0qQsHX2Xn4dTZF2WLUeBIBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"246a3f64ebc054d2addd7fb0548c2551d2f297f59b3698d3b831d9ff63069353","last_reissued_at":"2026-07-05T00:09:43.593161Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:09:43.593161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.01963","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":"2026-07-05T00:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D20jRJzPtUYz6bBJPzTen4/yhA0G+JtfKQjhZcMpwMxgknyC9R0NYasvK2W2uxjovXkhE8fefmc0Pi7lF3WfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T16:19:07.001611Z"},"content_sha256":"f8dbc5113e88bb57f00c0a57e9613b83f69fb37e01b525c583a8f02d7365165b","schema_version":"1.0","event_id":"sha256:f8dbc5113e88bb57f00c0a57e9613b83f69fb37e01b525c583a8f02d7365165b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ERVD6ZHLYBKNFLO5P6YFJDBFKH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). V. Quasar Luminosity Function and Contribution to Cosmic Reionization at z = 6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akatoki Noboriguchi, Andreas Schulze, Atsushi J. Nishizawa, Chien-Hsiu Lee, Hikari Shirakata, Hiroaki Sameshima, Hiroyuki Ikeda, Hisanori Furusawa, Hitoshi Murayama, James Bosch, James E. Gunn, Ji-Jia Tang, John D. Silverman, Kazushi Iwasawa, Kotaro Kohno, Mana Niida, Masafusa Onoue, Masahiro Takada, Masami Ouchi, Masamune Oguri, Masatoshi Imanishi, Masayuki Akiyama, Masayuki Tanaka, Michael A. Strauss, Nanako Kato, Naoko Asami, Naoshi Sugiyama, Nobunari Kashikawa, Paul A. Price, Philip J. Tait, Robert H. Lupton, Satoshi Kikuta, Satoshi Miyazaki, Shiang-Yu Wang, Tadafumi Takata, Takeo Minezaki, Takuji Yamashita, Takuma Izumi, Tohru Nagao, Tomotsugu Goto, Toshihiro Kawaguchi, Yoshiaki Ono, Yoshiki Matsuoka, Yoshiki Toba, Yousuke Utsumi, Yuichi Harikane, Yutaka Komiyama","submitted_at":"2018-11-05T19:00:03Z","abstract_excerpt":"We present new measurements of the quasar luminosity function (LF) at $z \\sim 6$, over an unprecedentedly wide range of the rest-frame ultraviolet luminosity $M_{1450}$ from $-30$ to $-22$ mag. This is the fifth in a series of publications from the Subaru High-$z$ Exploration of Low-Luminosity Quasars (SHELLQs) project, which exploits the deep multi-band imaging data produced by the Hyper Suprime-Cam (HSC) Subaru Strategic Program survey. The LF was calculated with a complete sample of 110 quasars at $5.7 \\le z \\le 6.5$, which includes 48 SHELLQs quasars discovered over 650 deg$^2$, and 63 bri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.01963","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/1811.01963/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":"2026-07-05T00:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxbP2FKfNiw7lQ7WP9F1gJY1akErMhEiXsu8ckCFpe7BjLfaUATO6VWqbFyNBMeabQsQKxcSye0IJGHsxGpnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T16:19:07.002601Z"},"content_sha256":"71fcde52fcd05d9330e0cf2ac29c8cf833d8ce2ec33db53ddcf177b7aa9558d3","schema_version":"1.0","event_id":"sha256:71fcde52fcd05d9330e0cf2ac29c8cf833d8ce2ec33db53ddcf177b7aa9558d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH/bundle.json","state_url":"https://pith.science/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH/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":"2026-08-13T16:19:07Z","links":{"resolver":"https://pith.science/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH","bundle":"https://pith.science/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH/bundle.json","state":"https://pith.science/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ERVD6ZHLYBKNFLO5P6YFJDBFKH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ERVD6ZHLYBKNFLO5P6YFJDBFKH","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":"22f4cc53f69aaee2c57784cfecd7e051d4815ff8deb355231e425d90ff149f2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-05T19:00:03Z","title_canon_sha256":"e59d3a2d55a1d1c7c45f83d7d5db3b4db5c9fe3282a1aa5857b6b7bf8096c1d9"},"schema_version":"1.0","source":{"id":"1811.01963","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.01963","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"1811.01963v1","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.01963","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"ERVD6ZHLYBKN","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"pith_short_16","alias_value":"ERVD6ZHLYBKNFLO5","created_at":"2026-07-05T00:09:43Z"},{"alias_kind":"pith_short_8","alias_value":"ERVD6ZHL","created_at":"2026-07-05T00:09:43Z"}],"graph_snapshots":[{"event_id":"sha256:71fcde52fcd05d9330e0cf2ac29c8cf833d8ce2ec33db53ddcf177b7aa9558d3","target":"graph","created_at":"2026-07-05T00:09:43Z","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/1811.01963/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present new measurements of the quasar luminosity function (LF) at $z \\sim 6$, over an unprecedentedly wide range of the rest-frame ultraviolet luminosity $M_{1450}$ from $-30$ to $-22$ mag. This is the fifth in a series of publications from the Subaru High-$z$ Exploration of Low-Luminosity Quasars (SHELLQs) project, which exploits the deep multi-band imaging data produced by the Hyper Suprime-Cam (HSC) Subaru Strategic Program survey. The LF was calculated with a complete sample of 110 quasars at $5.7 \\le z \\le 6.5$, which includes 48 SHELLQs quasars discovered over 650 deg$^2$, and 63 bri","authors_text":"Akatoki Noboriguchi, Andreas Schulze, Atsushi J. Nishizawa, Chien-Hsiu Lee, Hikari Shirakata, Hiroaki Sameshima, Hiroyuki Ikeda, Hisanori Furusawa, Hitoshi Murayama, James Bosch, James E. Gunn, Ji-Jia Tang, John D. Silverman, Kazushi Iwasawa, Kotaro Kohno, Mana Niida, Masafusa Onoue, Masahiro Takada, Masami Ouchi, Masamune Oguri, Masatoshi Imanishi, Masayuki Akiyama, Masayuki Tanaka, Michael A. Strauss, Nanako Kato, Naoko Asami, Naoshi Sugiyama, Nobunari Kashikawa, Paul A. Price, Philip J. Tait, Robert H. Lupton, Satoshi Kikuta, Satoshi Miyazaki, Shiang-Yu Wang, Tadafumi Takata, Takeo Minezaki, Takuji Yamashita, Takuma Izumi, Tohru Nagao, Tomotsugu Goto, Toshihiro Kawaguchi, Yoshiaki Ono, Yoshiki Matsuoka, Yoshiki Toba, Yousuke Utsumi, Yuichi Harikane, Yutaka Komiyama","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-05T19:00:03Z","title":"Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). V. Quasar Luminosity Function and Contribution to Cosmic Reionization at z = 6"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.01963","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:f8dbc5113e88bb57f00c0a57e9613b83f69fb37e01b525c583a8f02d7365165b","target":"record","created_at":"2026-07-05T00:09:43Z","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":"22f4cc53f69aaee2c57784cfecd7e051d4815ff8deb355231e425d90ff149f2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-05T19:00:03Z","title_canon_sha256":"e59d3a2d55a1d1c7c45f83d7d5db3b4db5c9fe3282a1aa5857b6b7bf8096c1d9"},"schema_version":"1.0","source":{"id":"1811.01963","kind":"arxiv","version":1}},"canonical_sha256":"246a3f64ebc054d2addd7fb0548c2551d2f297f59b3698d3b831d9ff63069353","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"246a3f64ebc054d2addd7fb0548c2551d2f297f59b3698d3b831d9ff63069353","first_computed_at":"2026-07-05T00:09:43.593161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:09:43.593161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zIkAjjMJ3Tenwv8VLKC2anGJjWu7QBVIqPfeech4Ms+h31tS0WktBQ7WPzpOaPI0qQsHX2Xn4dTZF2WLUeBIBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:09:43.593629Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.01963","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8dbc5113e88bb57f00c0a57e9613b83f69fb37e01b525c583a8f02d7365165b","sha256:71fcde52fcd05d9330e0cf2ac29c8cf833d8ce2ec33db53ddcf177b7aa9558d3"],"state_sha256":"8077bec28eec25614e3ecb84cde4f054f50f7e93f86ea4b6f91dc058f99aa457"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gKQ2rqtplCM7bPnZuFe45sqzzY9lgIWQL9HnEMo5pCryYxTrKNF7YAS1bzGospfs/JkzaSzVmIG5WgOwoYJUAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T16:19:07.016540Z","bundle_sha256":"7bead9f83e1246c22e905b972d36f039d05726a1e358e3043eb2305f5c9e167a"}}