{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YINCFODHYLJ3IQOGZTUCUQ56VM","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":"309b7a94bdafa79cafa3d2ca1cf26449329bd0da9c7a359a2d9791c4a5b4ab41","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-04-28T22:46:41Z","title_canon_sha256":"b7da16e181f8aa3eb8fce0b068a9b07f1f5886a77e66ab9493fb758dd74b9d79"},"schema_version":"1.0","source":{"id":"2504.20299","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.20299","created_at":"2026-07-05T12:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"2504.20299v3","created_at":"2026-07-05T12:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.20299","created_at":"2026-07-05T12:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"YINCFODHYLJ3","created_at":"2026-07-05T12:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"YINCFODHYLJ3IQOG","created_at":"2026-07-05T12:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"YINCFODH","created_at":"2026-07-05T12:05:16Z"}],"graph_snapshots":[{"event_id":"sha256:b33eafc8842db17fd95f06b1c20d561af43a2b02b11ce07bd9e24975f5e82b0a","target":"graph","created_at":"2026-07-05T12:05:16Z","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/2504.20299/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the largest catalog to date of triply ionized carbon (CIV) absorbers detected in quasar spectra from the Dark Energy Spectroscopic Instrument. Using an automated matched-kernel convolution method with adaptive signal-to-noise thresholds, we identify $101,487$ CIV systems in the redshift range $1.4 < z < 4.5$ from $300,637$ quasar spectra. Completeness is estimated via Monte Carlo simulations and catalog is $50\\%$ complete at $\\mathrm{EW}_{\\mathrm{CIV}} \\geq 0.4$ Angstroms. The differential equivalent width frequency distribution declines exponentially and shows weak redshift evoluti","authors_text":"Abhijeet Anand, A. Brodzeller, A. Cuceu, A. de la Macorra, A. Font-Ribera, A. Kremin, A. Meisner, A. Mu\\~noz-Guti\\'errez, B. A. Weaver, D. Bianchi, D. Brooks, D. Schlegel, D. Sprayberry, E. Gazta\\~naga, E. Sanchez, G. Gutierrez, G. Rossi, G. Tarl\\'e, H. K. Herrera-Alcantar, I. P\\'erez-R\\`afols, J. Aguilar, J. E. Forero-Romero, J. Guy, J. Moustakas, L. Le Guillou, L. Napolitano, M. E. Levi, M. Ishak, M. J. Temple, M. Landriau, M. Manera, M. Schubnell, P. Doel, R. Canning, R. Kehoe, R. Miquel, R. Zhou, S. Ahlen, S. Ferraro, S. Gontcho A Gontcho, S. Juneau, T. Claybaugh","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-04-28T22:46:41Z","title":"The Cosmic Evolution of CIV Absorbers at $1.4<z<4.5$: Insights from $100,000$ Systems in DESI Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.20299","kind":"arxiv","version":3},"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:f6d311421b0047259a45ebd62747cda037b59a39a9b57774eb11643c85469558","target":"record","created_at":"2026-07-05T12:05:16Z","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":"309b7a94bdafa79cafa3d2ca1cf26449329bd0da9c7a359a2d9791c4a5b4ab41","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-04-28T22:46:41Z","title_canon_sha256":"b7da16e181f8aa3eb8fce0b068a9b07f1f5886a77e66ab9493fb758dd74b9d79"},"schema_version":"1.0","source":{"id":"2504.20299","kind":"arxiv","version":3}},"canonical_sha256":"c21a22b867c2d3b441c6cce82a43beab223afa461d226d263b6f026b0f28f58f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c21a22b867c2d3b441c6cce82a43beab223afa461d226d263b6f026b0f28f58f","first_computed_at":"2026-07-05T12:05:16.361667Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:05:16.361667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nXU9nWFOCcWqoZUG/dUS1CIXcRq8erqNwvIdiX7UWETkvKrMfMgMl61yoHbO8/XlF4Xly4ofAtgBdbbzKKMIDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T12:05:16.362250Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.20299","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6d311421b0047259a45ebd62747cda037b59a39a9b57774eb11643c85469558","sha256:b33eafc8842db17fd95f06b1c20d561af43a2b02b11ce07bd9e24975f5e82b0a"],"state_sha256":"865a2901092c80f45b891a1545e039329203bf166ee26a64e366a6276da8048f"}