{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:SLX3U7DGNO6DEACJRJF5BM33WN","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":"a7f0ca1d8993e7e9170b72cec6cc0ba91d2c8e52a33cac638823b849955e5ec6","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T21:13:14Z","title_canon_sha256":"6d016bacc9b7f3eb1eb84152e7653e9d621418a4964061eed4cf478ab5334658"},"schema_version":"1.0","source":{"id":"1001.3412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3412","created_at":"2026-05-18T02:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3412v1","created_at":"2026-05-18T02:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3412","created_at":"2026-05-18T02:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"SLX3U7DGNO6D","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"SLX3U7DGNO6DEACJ","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"SLX3U7DG","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:2a22f8138cc4ecd276936f238d06e8452b59ebacfb00ee9d2b51313f0e2b51f8","target":"graph","created_at":"2026-05-18T02:09:32Z","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":"We have obtained deep Hubble Space Telescope far-UV images of 15 starburst galaxies at z~1.3 in the GOODS fields to search for escaping Lyman continuum photons. These are the deepest far-UV images m_{AB}=28.7, 3\\sigma, 1\" diameter) over this large an area (4.83 arcmin^2) and provide the best escape fraction constraints for any galaxy at any redshift. We do not detect any individual galaxies, with 3\\sigma limits to the Lyman Continuum (~700 \\AA) flux 50--149 times fainter (in f_nu) than the rest-frame UV (1500 \\AA) continuum fluxes. Correcting for the mean IGM attenuation (factor ~2), as well a","authors_text":"(2) SSC, (3) STScI, (4) UMASS, (5) NOAO, (6) Catholic U, (7) Nottingham, (8) GSFC), Brian Siana (1), Carrie R. Bridge (8), Christopher J. Conselice (7), Claudia Scarlata (2) ((1) Caltech, Duilia F. de Mello (6), Harry I Teplitz (2), Henry C. Ferguson (3), James W. Colbert (2), Jonathan P. Gardner (8), Mark Dickinson (5), Mauro Giavalisco (4), Ranga-Ram Chary (2), Thomas M. Brown (3)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T21:13:14Z","title":"A Deep HST Search for Escaping Lyman Continuum Flux at z~1.3: Evidence for an Evolving Ionizing Emissivity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3412","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:b9167d6dd2d6d885ca660556ccb6673aec0497bf1869eceaf2b2cae9a7116561","target":"record","created_at":"2026-05-18T02:09:32Z","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":"a7f0ca1d8993e7e9170b72cec6cc0ba91d2c8e52a33cac638823b849955e5ec6","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-19T21:13:14Z","title_canon_sha256":"6d016bacc9b7f3eb1eb84152e7653e9d621418a4964061eed4cf478ab5334658"},"schema_version":"1.0","source":{"id":"1001.3412","kind":"arxiv","version":1}},"canonical_sha256":"92efba7c666bbc3200498a4bd0b37bb353058add2fb8a5aaf9025c926187da7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92efba7c666bbc3200498a4bd0b37bb353058add2fb8a5aaf9025c926187da7c","first_computed_at":"2026-05-18T02:09:32.326671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:32.326671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y56jqAyzjmk1QGxXkQZ+ebAinhK3w6632XhPhRj9WewYPhBSeIouRQasGhc0v7FOZaTLiEcoa22GLBmWOXkbAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:32.327304Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.3412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9167d6dd2d6d885ca660556ccb6673aec0497bf1869eceaf2b2cae9a7116561","sha256:2a22f8138cc4ecd276936f238d06e8452b59ebacfb00ee9d2b51313f0e2b51f8"],"state_sha256":"b991c01047df529ae15c2f782fbf032bd7f624b2c5e7a6e352071bb35f87daac"}