{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:6WPBTT4STKH5MPXRXR764WJHEA","short_pith_number":"pith:6WPBTT4S","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"},"canonical_sha256":"f59e19cf929a8fd63ef1bc7fee592720225a8d2c03775e456687eae50948c227","source":{"kind":"arxiv","id":"1805.06071","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.06071","created_at":"2026-05-17T23:57:41Z"},{"alias_kind":"arxiv_version","alias_value":"1805.06071v2","created_at":"2026-05-17T23:57:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.06071","created_at":"2026-05-17T23:57:41Z"},{"alias_kind":"pith_short_12","alias_value":"6WPBTT4STKH5","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6WPBTT4STKH5MPXR","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6WPBTT4S","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:6WPBTT4STKH5MPXRXR764WJHEA","target":"record","payload":{"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"},"canonical_sha256":"f59e19cf929a8fd63ef1bc7fee592720225a8d2c03775e456687eae50948c227","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"},"source_kind":"arxiv","source_id":"1805.06071","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:57:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rp2uODX6KCJY5V/1f2JfAcFqq4VrVDi0GAI2qq7iNClKDBP4orxSwaxJ9VL7QWnU4jCu7QgBBVh9xVjlZr9CAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:14:09.266812Z"},"content_sha256":"5ee97f1f00debc721c1765fe0dc18d2a16b3243d54f9f3dfbbf8a6a9e6ca66d8","schema_version":"1.0","event_id":"sha256:5ee97f1f00debc721c1765fe0dc18d2a16b3243d54f9f3dfbbf8a6a9e6ca66d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:6WPBTT4STKH5MPXRXR764WJHEA","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:57:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"00gVD+bHrB2bD7FtqSlWBR/T7cLcEzr7DTrj978D2ZAcjxR9tEfu8XtC1BG1VmAy81KVTZKER+Piluig9/GACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:14:09.267576Z"},"content_sha256":"da7d89c4e74dddcbf83a06bc43c6b4fa12d7d2515df0db56be57a6335370cbaa","schema_version":"1.0","event_id":"sha256:da7d89c4e74dddcbf83a06bc43c6b4fa12d7d2515df0db56be57a6335370cbaa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/bundle.json","state_url":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WPBTT4STKH5MPXRXR764WJHEA/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T19:14:09Z","links":{"resolver":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA","bundle":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/bundle.json","state":"https://pith.science/pith/6WPBTT4STKH5MPXRXR764WJHEA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WPBTT4STKH5MPXRXR764WJHEA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6WPBTT4STKH5MPXRXR764WJHEA","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":"9c4255109d53ad062b645f181e380f738b57a050243cf06ef1ff4a92db29bb76","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-16T00:05:42Z","title_canon_sha256":"fc9ded23ac130a3f5d0976c39f3f7c941660edd01fbe634bd36f3c19b098b602"},"schema_version":"1.0","source":{"id":"1805.06071","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.06071","created_at":"2026-05-17T23:57:41Z"},{"alias_kind":"arxiv_version","alias_value":"1805.06071v2","created_at":"2026-05-17T23:57:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.06071","created_at":"2026-05-17T23:57:41Z"},{"alias_kind":"pith_short_12","alias_value":"6WPBTT4STKH5","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6WPBTT4STKH5MPXR","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6WPBTT4S","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:da7d89c4e74dddcbf83a06bc43c6b4fa12d7d2515df0db56be57a6335370cbaa","target":"graph","created_at":"2026-05-17T23:57:41Z","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 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","authors_text":"A.E. Shapley, A.L. Strom, C.C. Steidel, G.C. Rudie, M. Bogosavljevic, M. Pettini, N.A. Reddy, R.F. Trainor","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-16T00:05:42Z","title":"The Keck Lyman Continuum Spectroscopic Survey (KLCS): The Emergent Ionizing Spectrum of Galaxies at $z\\sim3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.06071","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":"sha256:5ee97f1f00debc721c1765fe0dc18d2a16b3243d54f9f3dfbbf8a6a9e6ca66d8","target":"record","created_at":"2026-05-17T23:57:41Z","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":"9c4255109d53ad062b645f181e380f738b57a050243cf06ef1ff4a92db29bb76","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-16T00:05:42Z","title_canon_sha256":"fc9ded23ac130a3f5d0976c39f3f7c941660edd01fbe634bd36f3c19b098b602"},"schema_version":"1.0","source":{"id":"1805.06071","kind":"arxiv","version":2}},"canonical_sha256":"f59e19cf929a8fd63ef1bc7fee592720225a8d2c03775e456687eae50948c227","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f59e19cf929a8fd63ef1bc7fee592720225a8d2c03775e456687eae50948c227","first_computed_at":"2026-05-17T23:57:41.362842Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:41.362842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tS2+WbUx29HmPnnDMofwK1nNUE3Ii3i3AG263ZWSXhIuGtIlpgTxApqIJAkIWNlY/VwfiMxLpzURoiFXkvFVCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:41.363307Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.06071","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ee97f1f00debc721c1765fe0dc18d2a16b3243d54f9f3dfbbf8a6a9e6ca66d8","sha256:da7d89c4e74dddcbf83a06bc43c6b4fa12d7d2515df0db56be57a6335370cbaa"],"state_sha256":"c3c6985ad4c2c2cae9362c4020a3c56162c81ee51ba2a5650c91a57284e73678"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WEt+AyAgPXteg/uPsRsCiBlV6+aWVz0u/RjeSYoNeGFfaKvDO9IMeAisq0O/NUw/+Aac610HIYG37n23SUNmBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:14:09.271608Z","bundle_sha256":"8bfba3b47c105cecef09e6b4818e9b6b98930807c7165b9ee6f4314e8e9babeb"}}