{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:S5AAAC2XZ66RMPCBSZYQK3VQKT","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":"49498ea7fbd21db44951fad00d4af86ac0bcb6d74e4b1d968bc1bb40ef6bf80b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-20T04:51:36Z","title_canon_sha256":"bd85b53dc353976930a4428b88af98130a3d07b23b088760af1b65be120df4b8"},"schema_version":"1.0","source":{"id":"2605.20698","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20698","created_at":"2026-05-21T01:04:49Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20698v1","created_at":"2026-05-21T01:04:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20698","created_at":"2026-05-21T01:04:49Z"},{"alias_kind":"pith_short_12","alias_value":"S5AAAC2XZ66R","created_at":"2026-05-21T01:04:49Z"},{"alias_kind":"pith_short_16","alias_value":"S5AAAC2XZ66RMPCB","created_at":"2026-05-21T01:04:49Z"},{"alias_kind":"pith_short_8","alias_value":"S5AAAC2X","created_at":"2026-05-21T01:04:49Z"}],"graph_snapshots":[{"event_id":"sha256:5c40b858441237550b26458d358212988689583b9b9a8601cda8f9a6085c39ad","target":"graph","created_at":"2026-05-21T01:04:49Z","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/2605.20698/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-redshift ($z\\gtrsim6$) quasars trace the earliest supermassive black holes and intense star formation, offering key laboratories for black hole-galaxy evolution at cosmic dawn. While far-infrared studies have revealed large dust reservoirs and strong [C II] emission, the physical conditions and molecular gas content of their ISM remain uncertain. We present ALMA Band 3 observations of the redshifted CO(7-6) and [C I](2-1) emission lines and dust continuum in a sample of 18 quasars at $z \\sim 6$. We detected CO(7-6) in 15/18, [C I](2-1) in 6/18, and continuum in 13/18 sources. Line luminos","authors_text":"Anna Elisabetta Borea, Antonio Pensabene, Axel Wei{\\ss}, Bram Venemans, Dominik Riechers, Eduardo Ba\\~nados, Emanuele Paolo Farina, Fabian Walter, Feige Wang, Fuxiang Xu, Jianan Li, Jinyi Yang, Michele Costa, Ran Wang, Roberto Decarli, Xiaohui Fan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-20T04:51:36Z","title":"CO(7-6) and [C I](2-1) survey in z > 6 quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20698","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":"sha256:87c17a2f04515e60109bebd4981bc3a20b78542d85a35afa75e577e2edf12638","target":"record","created_at":"2026-05-21T01:04:49Z","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":"49498ea7fbd21db44951fad00d4af86ac0bcb6d74e4b1d968bc1bb40ef6bf80b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-20T04:51:36Z","title_canon_sha256":"bd85b53dc353976930a4428b88af98130a3d07b23b088760af1b65be120df4b8"},"schema_version":"1.0","source":{"id":"2605.20698","kind":"arxiv","version":1}},"canonical_sha256":"9740000b57cfbd163c419671056eb054c468425cbab2b74315e695d7fc806571","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9740000b57cfbd163c419671056eb054c468425cbab2b74315e695d7fc806571","first_computed_at":"2026-05-21T01:04:49.791691Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:04:49.791691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5bxaphCt1+ZLbl+9LTfW9iOYWC4r5YzmzgDzcup9PihNfZOpvJe+nGNrNGZIMtOiqSDedrGCidwmgCzg+5WyBg==","signature_status":"signed_v1","signed_at":"2026-05-21T01:04:49.792356Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.20698","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87c17a2f04515e60109bebd4981bc3a20b78542d85a35afa75e577e2edf12638","sha256:5c40b858441237550b26458d358212988689583b9b9a8601cda8f9a6085c39ad"],"state_sha256":"b643195a2d74da30f18a4eebf7dd020bebfc46e9131d371e2d941fa975ccd627"}