{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:6WPBTT4STKH5MPXRXR764WJHEA","short_pith_number":"pith:6WPBTT4S","schema_version":"1.0","canonical_sha256":"f59e19cf929a8fd63ef1bc7fee592720225a8d2c03775e456687eae50948c227","source":{"kind":"arxiv","id":"1805.06071","version":2},"attestation_state":"computed","paper":{"title":"The Keck Lyman Continuum Spectroscopic Survey (KLCS): The Emergent Ionizing Spectrum of Galaxies at $z\\sim3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A.E. Shapley, A.L. Strom, C.C. Steidel, G.C. Rudie, M. Bogosavljevic, M. Pettini, N.A. Reddy, R.F. Trainor","submitted_at":"2018-05-16T00:05:42Z","abstract_excerpt":"We present results of a deep spectroscopic survey designed to quantify the statistics of the escape of ionizing photons from star-forming galaxies at z~3. We measure the ratio of ionizing to non-ionizing UV flux density <f900/f1500>_obs, where f900 is the mean flux density evaluated over the range [880,910] A. We quantify the emergent ratio of ionizing to non-ionizing UV flux density by analyzing high-S/N composite spectra formed from sub-samples with common observed properties and numbers sufficient to reduce the statistical uncertainty in the modeled IGM+CGM correction to obtain precise valu"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1805.06071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-16T00:05:42Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"fc9ded23ac130a3f5d0976c39f3f7c941660edd01fbe634bd36f3c19b098b602","abstract_canon_sha256":"9c4255109d53ad062b645f181e380f738b57a050243cf06ef1ff4a92db29bb76"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:41.363307Z","signature_b64":"tS2+WbUx29HmPnnDMofwK1nNUE3Ii3i3AG263ZWSXhIuGtIlpgTxApqIJAkIWNlY/VwfiMxLpzURoiFXkvFVCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f59e19cf929a8fd63ef1bc7fee592720225a8d2c03775e456687eae50948c227","last_reissued_at":"2026-05-17T23:57:41.362842Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:41.362842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Keck Lyman Continuum Spectroscopic Survey (KLCS): The Emergent Ionizing Spectrum of Galaxies at $z\\sim3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A.E. Shapley, A.L. Strom, C.C. Steidel, G.C. Rudie, M. Bogosavljevic, M. Pettini, N.A. Reddy, R.F. Trainor","submitted_at":"2018-05-16T00:05:42Z","abstract_excerpt":"We present results of a deep spectroscopic survey designed to quantify the statistics of the escape of ionizing photons from star-forming galaxies at z~3. We measure the ratio of ionizing to non-ionizing UV flux density <f900/f1500>_obs, where f900 is the mean flux density evaluated over the range [880,910] A. We quantify the emergent ratio of ionizing to non-ionizing UV flux density by analyzing high-S/N composite spectra formed from sub-samples with common observed properties and numbers sufficient to reduce the statistical uncertainty in the modeled IGM+CGM correction to obtain precise valu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.06071","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1805.06071","created_at":"2026-05-17T23:57:41.362919+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.06071v2","created_at":"2026-05-17T23:57:41.362919+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.06071","created_at":"2026-05-17T23:57:41.362919+00:00"},{"alias_kind":"pith_short_12","alias_value":"6WPBTT4STKH5","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_16","alias_value":"6WPBTT4STKH5MPXR","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_8","alias_value":"6WPBTT4S","created_at":"2026-05-18T12:32:11.075285+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA","json":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA.json","graph_json":"https://pith.science/api/pith-number/6WPBTT4STKH5MPXRXR764WJHEA/graph.json","events_json":"https://pith.science/api/pith-number/6WPBTT4STKH5MPXRXR764WJHEA/events.json","paper":"https://pith.science/paper/6WPBTT4S"},"agent_actions":{"view_html":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA","download_json":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA.json","view_paper":"https://pith.science/paper/6WPBTT4S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.06071&json=true","fetch_graph":"https://pith.science/api/pith-number/6WPBTT4STKH5MPXRXR764WJHEA/graph.json","fetch_events":"https://pith.science/api/pith-number/6WPBTT4STKH5MPXRXR764WJHEA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/action/storage_attestation","attest_author":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/action/author_attestation","sign_citation":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/action/citation_signature","submit_replication":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/action/replication_record"}},"created_at":"2026-05-17T23:57:41.362919+00:00","updated_at":"2026-05-17T23:57:41.362919+00:00"}