{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TLINIWZD43EAKA7SOGQL42PQQH","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":"2e37b41886a46b2e342f44064f2b49197e7620cc0f5fda2bceaed8dfb498fc26","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-28T08:39:03Z","title_canon_sha256":"8559d94066562be2601d7b68fa8bb50c7afc441626ebcfb4c974a1a0f4cc53d4"},"schema_version":"1.0","source":{"id":"1809.10916","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.10916","created_at":"2026-07-05T00:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1809.10916v2","created_at":"2026-07-05T00:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.10916","created_at":"2026-07-05T00:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"TLINIWZD43EA","created_at":"2026-07-05T00:41:11Z"},{"alias_kind":"pith_short_16","alias_value":"TLINIWZD43EAKA7S","created_at":"2026-07-05T00:41:11Z"},{"alias_kind":"pith_short_8","alias_value":"TLINIWZD","created_at":"2026-07-05T00:41:11Z"}],"graph_snapshots":[{"event_id":"sha256:56606abda987720bbca3508e28fceb7b3af664da13b824f3ed43cc1bac3a59dc","target":"graph","created_at":"2026-07-05T00:41:11Z","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/1809.10916/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We first present new Subaru narrow-band observations of the Ly$\\alpha$ halo around the quasi-stellar object (QSO) CFHQ J232908$-$030158 at $z=6.42$, which appears the most luminous and extended halo at $z>5$ ($L_{Ly\\alpha}=9.8\\times10^{43}$ erg s$^{-1}$ within $37$ pkpc diameter). Then, combining these measurements with available data in the literature, we find two different evolutions of QSOs' Ly$\\alpha$ halos. First is a possible short-term evolution with QSO age seen in four $z>6$ QSOs. We find the anti-correlation between the Ly$\\alpha$ halo scales with QSOs' IR luminosity, with J2329-0301","authors_text":"Chia-Ying Chiang, Kazuhiro Shimasaku, Nobunari Kashikawa, Rieko Momose, Satoshi Miyazaki, Seong-jin Kim, Tetsuya Hashimoto, Tomotsugu Goto, Yousuke Utsumi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-28T08:39:03Z","title":"Possible evolution of the circum-galactic medium around QSOs with QSO age and cosmic time revealed by Ly$\\alpha$ halos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.10916","kind":"arxiv","version":2},"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":"sha256:3106e96aa8bb64f45f316ff23b7c1f3098834b5cce1637b761151cfbbfd5d382","target":"record","created_at":"2026-07-05T00:41:11Z","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":"2e37b41886a46b2e342f44064f2b49197e7620cc0f5fda2bceaed8dfb498fc26","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-28T08:39:03Z","title_canon_sha256":"8559d94066562be2601d7b68fa8bb50c7afc441626ebcfb4c974a1a0f4cc53d4"},"schema_version":"1.0","source":{"id":"1809.10916","kind":"arxiv","version":2}},"canonical_sha256":"9ad0d45b23e6c80503f271a0be69f081c18e5885993b094e1df1fdfe818fb079","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ad0d45b23e6c80503f271a0be69f081c18e5885993b094e1df1fdfe818fb079","first_computed_at":"2026-07-05T00:41:11.997145Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:41:11.997145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3W7KL9m30rP3DLa4nBd0NGxoS9TcjPsjxMTm5dkiz2L0+O9NZk8R1abYldcaJ1So7ZmGfg3gy3aF8S8rnJWUCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:41:11.997575Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.10916","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3106e96aa8bb64f45f316ff23b7c1f3098834b5cce1637b761151cfbbfd5d382","sha256:56606abda987720bbca3508e28fceb7b3af664da13b824f3ed43cc1bac3a59dc"],"state_sha256":"5b74ac1a2e02a58b7c799a845feb30423c0ca0473057bccc265e0736ec60bae2"}