{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HZISNF2KYA7JR7PBMSBV4Q2MSI","short_pith_number":"pith:HZISNF2K","canonical_record":{"source":{"id":"1610.05369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:21:29Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e37462e0b2d161313c530e61e58401046e8fc2c780c4d588f4d9991e02c38ef3","abstract_canon_sha256":"376293813f3e98ca7e0a30e83bf00f64912f8b3b407ab380299d6bf2b299490f"},"schema_version":"1.0"},"canonical_sha256":"3e5126974ac03e98fde164835e434c9228c7b7a7c0f9c89de90ab303518cc21d","source":{"kind":"arxiv","id":"1610.05369","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05369","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05369v1","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05369","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"pith_short_12","alias_value":"HZISNF2KYA7J","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HZISNF2KYA7JR7PB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HZISNF2K","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HZISNF2KYA7JR7PBMSBV4Q2MSI","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:21:29Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e37462e0b2d161313c530e61e58401046e8fc2c780c4d588f4d9991e02c38ef3","abstract_canon_sha256":"376293813f3e98ca7e0a30e83bf00f64912f8b3b407ab380299d6bf2b299490f"},"schema_version":"1.0"},"canonical_sha256":"3e5126974ac03e98fde164835e434c9228c7b7a7c0f9c89de90ab303518cc21d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:58.252253Z","signature_b64":"EMG4mVpQ6uCLmHIxmEmxu3qeN8A0SJJLREoGByAeIGk4WpJgIN2iAycRWZWvVjW9HRSqn7b+QTeYlGYOMjmpBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e5126974ac03e98fde164835e434c9228c7b7a7c0f9c89de90ab303518cc21d","last_reissued_at":"2026-05-18T00:53:58.251559Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:58.251559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05369","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":"2026-05-18T00:53:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kB6NX7C7tVAdWXbbcEi6aiP7N/CbfI1TeCVYYgI2xiCCGU+ljSw6oO1coF+v0mu/ucebNQrrUtVLqRFmKFbVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:23:08.770966Z"},"content_sha256":"855a1db3177af1ce20ffe4459bc4aaf9be66a61f8568af9d40e8ebf495f12564","schema_version":"1.0","event_id":"sha256:855a1db3177af1ce20ffe4459bc4aaf9be66a61f8568af9d40e8ebf495f12564"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HZISNF2KYA7JR7PBMSBV4Q2MSI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Final SDSS High-Redshift Quasar Sample of 52 Quasars at z>5.7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Eduardo Banados, Feige Wang, Fuyan Bian, Ian D. McGreer, Jin Wu, Jinyi Yang, Kara Farnsworth, Linhua Jiang (KIAA-PKU), Michael A. Strauss, Qian Yang, Ran Wang, Richard L. White, Robert H. Becker, Shu Wang, Xiaohui Fan, Xue-Bing Wu, Yue Shen","submitted_at":"2016-10-17T22:21:29Z","abstract_excerpt":"We present the discovery of nine quasars at $z\\sim6$ identified in the Sloan Digital Sky Survey (SDSS) imaging data. This completes our survey of $z\\sim6$ quasars in the SDSS footprint. Our final sample consists of 52 quasars at $5.7<z\\le6.4$, including 29 quasars with $z_{\\rm AB}\\le20$ mag selected from 11,240 deg$^2$ of the SDSS single-epoch imaging survey (the main survey), 10 quasars with $20\\le z_{\\rm AB}\\le20.5$ selected from 4223 deg$^2$ of the SDSS overlap regions (regions with two or more imaging scans), and 13 quasars down to $z_{\\rm AB}\\approx22$ mag from the 277 deg$^2$ in Stripe 8"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05369","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":"2026-05-18T00:53:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DugwLGS6yTOHlwkXMTFjZzr3jJzSOmZIe9PuM1lWQouMVO8zVio0/JxhkamjmDexZGi5EOP6tr2EhA2hh9xlCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:23:08.771718Z"},"content_sha256":"7f7fcb1123a8bc3ac5ec06898611f87eb3149694272d7fa286d52ca4a44a4cf7","schema_version":"1.0","event_id":"sha256:7f7fcb1123a8bc3ac5ec06898611f87eb3149694272d7fa286d52ca4a44a4cf7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI/bundle.json","state_url":"https://pith.science/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI/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":"2026-05-26T10:23:08Z","links":{"resolver":"https://pith.science/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI","bundle":"https://pith.science/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI/bundle.json","state":"https://pith.science/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HZISNF2KYA7JR7PBMSBV4Q2MSI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HZISNF2KYA7JR7PBMSBV4Q2MSI","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":"376293813f3e98ca7e0a30e83bf00f64912f8b3b407ab380299d6bf2b299490f","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:21:29Z","title_canon_sha256":"e37462e0b2d161313c530e61e58401046e8fc2c780c4d588f4d9991e02c38ef3"},"schema_version":"1.0","source":{"id":"1610.05369","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05369","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05369v1","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05369","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"pith_short_12","alias_value":"HZISNF2KYA7J","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HZISNF2KYA7JR7PB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HZISNF2K","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:7f7fcb1123a8bc3ac5ec06898611f87eb3149694272d7fa286d52ca4a44a4cf7","target":"graph","created_at":"2026-05-18T00:53:58Z","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 discovery of nine quasars at $z\\sim6$ identified in the Sloan Digital Sky Survey (SDSS) imaging data. This completes our survey of $z\\sim6$ quasars in the SDSS footprint. Our final sample consists of 52 quasars at $5.7<z\\le6.4$, including 29 quasars with $z_{\\rm AB}\\le20$ mag selected from 11,240 deg$^2$ of the SDSS single-epoch imaging survey (the main survey), 10 quasars with $20\\le z_{\\rm AB}\\le20.5$ selected from 4223 deg$^2$ of the SDSS overlap regions (regions with two or more imaging scans), and 13 quasars down to $z_{\\rm AB}\\approx22$ mag from the 277 deg$^2$ in Stripe 8","authors_text":"Eduardo Banados, Feige Wang, Fuyan Bian, Ian D. McGreer, Jin Wu, Jinyi Yang, Kara Farnsworth, Linhua Jiang (KIAA-PKU), Michael A. Strauss, Qian Yang, Ran Wang, Richard L. White, Robert H. Becker, Shu Wang, Xiaohui Fan, Xue-Bing Wu, Yue Shen","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:21:29Z","title":"The Final SDSS High-Redshift Quasar Sample of 52 Quasars at z>5.7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05369","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":"sha256:855a1db3177af1ce20ffe4459bc4aaf9be66a61f8568af9d40e8ebf495f12564","target":"record","created_at":"2026-05-18T00:53:58Z","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":"376293813f3e98ca7e0a30e83bf00f64912f8b3b407ab380299d6bf2b299490f","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:21:29Z","title_canon_sha256":"e37462e0b2d161313c530e61e58401046e8fc2c780c4d588f4d9991e02c38ef3"},"schema_version":"1.0","source":{"id":"1610.05369","kind":"arxiv","version":1}},"canonical_sha256":"3e5126974ac03e98fde164835e434c9228c7b7a7c0f9c89de90ab303518cc21d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e5126974ac03e98fde164835e434c9228c7b7a7c0f9c89de90ab303518cc21d","first_computed_at":"2026-05-18T00:53:58.251559Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:58.251559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EMG4mVpQ6uCLmHIxmEmxu3qeN8A0SJJLREoGByAeIGk4WpJgIN2iAycRWZWvVjW9HRSqn7b+QTeYlGYOMjmpBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:58.252253Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05369","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:855a1db3177af1ce20ffe4459bc4aaf9be66a61f8568af9d40e8ebf495f12564","sha256:7f7fcb1123a8bc3ac5ec06898611f87eb3149694272d7fa286d52ca4a44a4cf7"],"state_sha256":"780f77021fe4b7f1c0e841190adcbd878bfcb87d9f92778a99aaa0b87f89d25c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f5JxGtYW429bzR+p+skMDzu2bVEZO8POzWBFPB8BMrlThpsg6F6eggJvOpJHwVTfYvf0oJZ3LoBwjqpB11w0Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:23:08.775901Z","bundle_sha256":"b802db39969776701861defa442a524b059aa43251fb1a3684eaf686b9db9fc3"}}