{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:LE7LKZU6R53QA7ZSBO6DHK6YAV","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":"f5a34fe5d14b7b489c213a5b965b0c816a50ee4073efb1e94eb3db85ab5ea588","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-04-29T20:00:03Z","title_canon_sha256":"cc20ef1f9333c0c4b94673bcb7d014b2aa33e96bc359c8ff0256e19d35ae0418"},"schema_version":"1.0","source":{"id":"0804.4686","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.4686","created_at":"2026-07-04T15:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"0804.4686v2","created_at":"2026-07-04T15:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.4686","created_at":"2026-07-04T15:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"LE7LKZU6R53Q","created_at":"2026-07-04T15:44:48Z"},{"alias_kind":"pith_short_16","alias_value":"LE7LKZU6R53QA7ZS","created_at":"2026-07-04T15:44:48Z"},{"alias_kind":"pith_short_8","alias_value":"LE7LKZU6","created_at":"2026-07-04T15:44:48Z"}],"graph_snapshots":[{"event_id":"sha256:a7151470a1f05a8cc01c7cac1f5e7f77bcac283ec199686f2efc09160f99e940","target":"graph","created_at":"2026-07-04T15:44:48Z","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/0804.4686/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Galactic winds are a prime suspect for the metal enrichment of the intergalactic medium and may have a strong influence on the chemical evolution of galaxies and the nature of QSO absorption line systems. We use a sample of 1406 galaxy spectra at z~1.4 from the DEEP2 redshift survey to show that blueshifted Mg II 2796, 2803 A absorption is ubiquitous in starforming galaxies at this epoch. This is the first detection of frequent outflowing galactic winds at z~1. The presence and depth of absorption are independent of AGN spectral signatures or galaxy morphology; major mergers are not a prerequi","authors_text":"2), (2) UCSD, (3) UCO/Lick, (4) U. of Pittsburgh, (5) U. of Toronto, (6) U. of Nottingham, (7) NOAO), Aaron A. Dutton (3), Alison L. Coil (1, Benjamin J. Weiner (1), Christopher J. Conselice (6), David C. Koo (3), G.H. Rieke (1), Jason X. Prochaska (3), Jeffrey A. Newman (4), Jennifer M. Lotz (7), Kevin Bundy (5), K.H.R. Rubin (3) ((1) Steward Observatory, Michael C. Cooper (1), S. M. Faber (3)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-04-29T20:00:03Z","title":"Ubiquitous outflows in DEEP2 spectra of star-forming galaxies at z=1.4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.4686","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":"sha256:26eaf84a6b077f0c00ad7d14361148140bcb3550913fdc19f4da9e4c94ed5e81","target":"record","created_at":"2026-07-04T15:44:48Z","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":"f5a34fe5d14b7b489c213a5b965b0c816a50ee4073efb1e94eb3db85ab5ea588","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-04-29T20:00:03Z","title_canon_sha256":"cc20ef1f9333c0c4b94673bcb7d014b2aa33e96bc359c8ff0256e19d35ae0418"},"schema_version":"1.0","source":{"id":"0804.4686","kind":"arxiv","version":2}},"canonical_sha256":"593eb5669e8f77007f320bbc33abd80558207f1c5f113333868b21b579e9acf9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"593eb5669e8f77007f320bbc33abd80558207f1c5f113333868b21b579e9acf9","first_computed_at":"2026-07-04T15:44:48.994287Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:44:48.994287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gFP6cTEv39PMXk6Hr0plkBnKtpPhkRhjn2RiKlB7v1cR+4Xa6/y3N9mhqYEAu+ETilm6po6k2tVn6BlMr+K9Bg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:44:48.994742Z","signed_message":"canonical_sha256_bytes"},"source_id":"0804.4686","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26eaf84a6b077f0c00ad7d14361148140bcb3550913fdc19f4da9e4c94ed5e81","sha256:a7151470a1f05a8cc01c7cac1f5e7f77bcac283ec199686f2efc09160f99e940"],"state_sha256":"50b4696f95cda87403b22afd43679009094daa7685f284f868bf0cd9566cbd84"}