{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DKYBDEKIPSBY7EF64CPCJGIWTR","short_pith_number":"pith:DKYBDEKI","canonical_record":{"source":{"id":"1901.11242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-31T07:25:31Z","cross_cats_sorted":[],"title_canon_sha256":"a91d12a7e651697d4ca78cc973d4d3f253f8616eed1d3d01ef081cffa985fde9","abstract_canon_sha256":"0eed704b41022025c25e8b15f5799a8a77e0233cbf851c632fc6516c36b64066"},"schema_version":"1.0"},"canonical_sha256":"1ab01191487c838f90bee09e2499169c767e9d0d8b3b607b492c68e8e6a6cfa3","source":{"kind":"arxiv","id":"1901.11242","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.11242","created_at":"2026-05-17T23:53:20Z"},{"alias_kind":"arxiv_version","alias_value":"1901.11242v1","created_at":"2026-05-17T23:53:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.11242","created_at":"2026-05-17T23:53:20Z"},{"alias_kind":"pith_short_12","alias_value":"DKYBDEKIPSBY","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DKYBDEKIPSBY7EF6","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DKYBDEKI","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DKYBDEKIPSBY7EF64CPCJGIWTR","target":"record","payload":{"canonical_record":{"source":{"id":"1901.11242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-31T07:25:31Z","cross_cats_sorted":[],"title_canon_sha256":"a91d12a7e651697d4ca78cc973d4d3f253f8616eed1d3d01ef081cffa985fde9","abstract_canon_sha256":"0eed704b41022025c25e8b15f5799a8a77e0233cbf851c632fc6516c36b64066"},"schema_version":"1.0"},"canonical_sha256":"1ab01191487c838f90bee09e2499169c767e9d0d8b3b607b492c68e8e6a6cfa3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:20.582635Z","signature_b64":"VQe0JnSp591DWdcCa61uEnfxsz36XG89PdS4emLlzGngfQOwLbUBHw+3lzI0iuGBBtZCmb1XsTf20KJ8FgJhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ab01191487c838f90bee09e2499169c767e9d0d8b3b607b492c68e8e6a6cfa3","last_reissued_at":"2026-05-17T23:53:20.581937Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:20.581937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.11242","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":"2026-05-17T23:53:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tDBL01xY1oTGrcX/WSRNybMnr64knH4eacNV92eRWSKgI3gZt9LjItGHQspF6mqjXojCFuOx/90Wzzo/efntAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:50:33.272770Z"},"content_sha256":"c28a5664d8346382d099f7c21dbeb6a805f245d7db50d085e2d8433f13890fbc","schema_version":"1.0","event_id":"sha256:c28a5664d8346382d099f7c21dbeb6a805f245d7db50d085e2d8433f13890fbc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DKYBDEKIPSBY7EF64CPCJGIWTR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancement of HI absorption associated with the $z=3.1$ large-scale proto-cluster and characteristic structures with AGNs sculptured over Gpc scale in the SSA22 field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"10, (10) Subaru Telescope, 11), (11) Saint Mary's U., (12) Universit\\\"at Innsbruck, 13, (13) Universit\\\"at Augsburg, 14), (14) Deutsches Fernerkundungsdatenzentrum, (15) Laboratoire d'Astrophysique de Marseille, (16) Tohoku U., 17), (17) ISAS/JAXA), (2) Osaka Sangyo U., 3), (3) UCSC, (4) NAOJ, 5, 5), (5) SOKENDAI, 6), (6) U. Tokyo, 7), (7) ICRR, (8) Pontificia Universidad Cat\\'olica de Valpara\\'iso, 9), (9) UC Observatories, A. K. Inoue (2, D. Burgarella (15), I. Iwata (5, J. X. Prochaska (3, K. Kousai (1), K. Mawatari (2, M. Akiyama (16) ((1) RCNS, N. Kashikawa (4, N. Tejos (8, S. Noll (12, T. Hayashino (1), Tohoku U., T. Yamada (16, U. Tokyo, Y. Matsuda (4","submitted_at":"2019-01-31T07:25:31Z","abstract_excerpt":"In the SSA22 field which exhibits a large-scale proto-cluster at $z=3.1$, we carried out a spectroscopic survey for Lyman Break Galaxies (LBGs) with the VLT/VIMOS and identified 78 confident LBGs at $z=2.5$--4. We stacked their spectra in the observer's frame by using a sophisticated method. Analyzing the composite spectrum, we have revealed that the large-scale proto-cluster at $z=3.1$ has a strong HI absorption dip of rest-frame equivalent width of $-1.7$ A. Another strong absorption dip found at $z=3.28$ is associated with a modestly high-density LBG peak, similar to that at $z=3.1$. We hav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.11242","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":"2026-05-17T23:53:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8dxikIX7OCBDHDUWF/Q2icerskq4DchmA5ZRq+xP9ZXrU8ECiivbhav2o9Q7osFlUVux+D0OtKZFTVKhhQ73Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:50:33.273479Z"},"content_sha256":"44cf35660af6341c55fcf241f6b71519f5aa4f58f3beed9f55fbae22ac67bb4e","schema_version":"1.0","event_id":"sha256:44cf35660af6341c55fcf241f6b71519f5aa4f58f3beed9f55fbae22ac67bb4e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DKYBDEKIPSBY7EF64CPCJGIWTR/bundle.json","state_url":"https://pith.science/pith/DKYBDEKIPSBY7EF64CPCJGIWTR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DKYBDEKIPSBY7EF64CPCJGIWTR/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":"2026-05-22T21:50:33Z","links":{"resolver":"https://pith.science/pith/DKYBDEKIPSBY7EF64CPCJGIWTR","bundle":"https://pith.science/pith/DKYBDEKIPSBY7EF64CPCJGIWTR/bundle.json","state":"https://pith.science/pith/DKYBDEKIPSBY7EF64CPCJGIWTR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DKYBDEKIPSBY7EF64CPCJGIWTR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DKYBDEKIPSBY7EF64CPCJGIWTR","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":"0eed704b41022025c25e8b15f5799a8a77e0233cbf851c632fc6516c36b64066","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-31T07:25:31Z","title_canon_sha256":"a91d12a7e651697d4ca78cc973d4d3f253f8616eed1d3d01ef081cffa985fde9"},"schema_version":"1.0","source":{"id":"1901.11242","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.11242","created_at":"2026-05-17T23:53:20Z"},{"alias_kind":"arxiv_version","alias_value":"1901.11242v1","created_at":"2026-05-17T23:53:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.11242","created_at":"2026-05-17T23:53:20Z"},{"alias_kind":"pith_short_12","alias_value":"DKYBDEKIPSBY","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DKYBDEKIPSBY7EF6","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DKYBDEKI","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:44cf35660af6341c55fcf241f6b71519f5aa4f58f3beed9f55fbae22ac67bb4e","target":"graph","created_at":"2026-05-17T23:53:20Z","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":"In the SSA22 field which exhibits a large-scale proto-cluster at $z=3.1$, we carried out a spectroscopic survey for Lyman Break Galaxies (LBGs) with the VLT/VIMOS and identified 78 confident LBGs at $z=2.5$--4. We stacked their spectra in the observer's frame by using a sophisticated method. Analyzing the composite spectrum, we have revealed that the large-scale proto-cluster at $z=3.1$ has a strong HI absorption dip of rest-frame equivalent width of $-1.7$ A. Another strong absorption dip found at $z=3.28$ is associated with a modestly high-density LBG peak, similar to that at $z=3.1$. We hav","authors_text":"10, (10) Subaru Telescope, 11), (11) Saint Mary's U., (12) Universit\\\"at Innsbruck, 13, (13) Universit\\\"at Augsburg, 14), (14) Deutsches Fernerkundungsdatenzentrum, (15) Laboratoire d'Astrophysique de Marseille, (16) Tohoku U., 17), (17) ISAS/JAXA), (2) Osaka Sangyo U., 3), (3) UCSC, (4) NAOJ, 5, 5), (5) SOKENDAI, 6), (6) U. Tokyo, 7), (7) ICRR, (8) Pontificia Universidad Cat\\'olica de Valpara\\'iso, 9), (9) UC Observatories, A. K. Inoue (2, D. Burgarella (15), I. Iwata (5, J. X. Prochaska (3, K. Kousai (1), K. Mawatari (2, M. Akiyama (16) ((1) RCNS, N. Kashikawa (4, N. Tejos (8, S. Noll (12, T. Hayashino (1), Tohoku U., T. Yamada (16, U. Tokyo, Y. Matsuda (4","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-31T07:25:31Z","title":"Enhancement of HI absorption associated with the $z=3.1$ large-scale proto-cluster and characteristic structures with AGNs sculptured over Gpc scale in the SSA22 field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.11242","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:c28a5664d8346382d099f7c21dbeb6a805f245d7db50d085e2d8433f13890fbc","target":"record","created_at":"2026-05-17T23:53:20Z","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":"0eed704b41022025c25e8b15f5799a8a77e0233cbf851c632fc6516c36b64066","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-31T07:25:31Z","title_canon_sha256":"a91d12a7e651697d4ca78cc973d4d3f253f8616eed1d3d01ef081cffa985fde9"},"schema_version":"1.0","source":{"id":"1901.11242","kind":"arxiv","version":1}},"canonical_sha256":"1ab01191487c838f90bee09e2499169c767e9d0d8b3b607b492c68e8e6a6cfa3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ab01191487c838f90bee09e2499169c767e9d0d8b3b607b492c68e8e6a6cfa3","first_computed_at":"2026-05-17T23:53:20.581937Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:20.581937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VQe0JnSp591DWdcCa61uEnfxsz36XG89PdS4emLlzGngfQOwLbUBHw+3lzI0iuGBBtZCmb1XsTf20KJ8FgJhAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:20.582635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.11242","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c28a5664d8346382d099f7c21dbeb6a805f245d7db50d085e2d8433f13890fbc","sha256:44cf35660af6341c55fcf241f6b71519f5aa4f58f3beed9f55fbae22ac67bb4e"],"state_sha256":"1a1b3d25476befb71df56505c39487e3a9b86dbabb3e33ec649f5c74a99be379"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e8j7X52n2h6Gp0oCtNJN/yUkJneGMQm124V2DNvLzrg9KHXPvcuW8RyElXr10bkopXt3QfRT6ZpSVmTGTLtbAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T21:50:33.277192Z","bundle_sha256":"040dc6389f504b695f05cf39426038c40b7ad1085a917202341c12feb7cd22a7"}}