{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:3QYSY7H7KR6ABVUOC2F6JZU5BO","short_pith_number":"pith:3QYSY7H7","schema_version":"1.0","canonical_sha256":"dc312c7cff547c00d68e168be4e69d0bbadce67b71d6064ce9cb29cae7b3f87e","source":{"kind":"arxiv","id":"1910.11877","version":2},"attestation_state":"computed","paper":{"title":"Searching for z > 6.5 Analogs Near the Peak of Cosmic Star Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice E. Shapley, Bahram Mobasher, Crystal L. Martin, Daniel P. Stark, Jacopo Chevallard, Mengtao Tang, Michael W. Topping, Xinnan Du","submitted_at":"2019-10-25T18:00:01Z","abstract_excerpt":"Strong [OIII]$\\lambda\\lambda$4959,5007+H$\\beta$ emission appears to be typical in star-forming galaxies at z > 6.5. As likely contributors to cosmic reionization, these galaxies and the physical conditions within them are of great interest. At z > 6.5, where Ly$\\alpha$ is greatly attenuated by the intergalactic medium, rest-UV metal emission lines provide an alternative measure of redshift and also constraints on the physical properties of star-forming regions and massive stars. We present the first statistical sample of rest-UV line measurements in z $\\sim$ 2 galaxies selected as analogs of t"},"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":"1910.11877","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-25T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"28e67fe606ac7f7e9bf84b79f0cd8e6bc83afcf7489576527f26585f61e6105e","abstract_canon_sha256":"409717ed483f16f9a833d8f437c55788aaf706865818db4969c1a167acad8885"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:41:44.566392Z","signature_b64":"oKvsk1r9W8X8jb595GI1rfq/qiNkuwSazfNkKJ7muTLfSwV5NZC0/J4J0/y1g7GC90p1SEqAtIyVQ9h7ZO/9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc312c7cff547c00d68e168be4e69d0bbadce67b71d6064ce9cb29cae7b3f87e","last_reissued_at":"2026-07-05T00:41:44.565946Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:41:44.565946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Searching for z > 6.5 Analogs Near the Peak of Cosmic Star Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice E. Shapley, Bahram Mobasher, Crystal L. Martin, Daniel P. Stark, Jacopo Chevallard, Mengtao Tang, Michael W. Topping, Xinnan Du","submitted_at":"2019-10-25T18:00:01Z","abstract_excerpt":"Strong [OIII]$\\lambda\\lambda$4959,5007+H$\\beta$ emission appears to be typical in star-forming galaxies at z > 6.5. As likely contributors to cosmic reionization, these galaxies and the physical conditions within them are of great interest. At z > 6.5, where Ly$\\alpha$ is greatly attenuated by the intergalactic medium, rest-UV metal emission lines provide an alternative measure of redshift and also constraints on the physical properties of star-forming regions and massive stars. We present the first statistical sample of rest-UV line measurements in z $\\sim$ 2 galaxies selected as analogs of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.11877","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.11877/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1910.11877","created_at":"2026-07-05T00:41:44.566009+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.11877v2","created_at":"2026-07-05T00:41:44.566009+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.11877","created_at":"2026-07-05T00:41:44.566009+00:00"},{"alias_kind":"pith_short_12","alias_value":"3QYSY7H7KR6A","created_at":"2026-07-05T00:41:44.566009+00:00"},{"alias_kind":"pith_short_16","alias_value":"3QYSY7H7KR6ABVUO","created_at":"2026-07-05T00:41:44.566009+00:00"},{"alias_kind":"pith_short_8","alias_value":"3QYSY7H7","created_at":"2026-07-05T00:41:44.566009+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/3QYSY7H7KR6ABVUOC2F6JZU5BO","json":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO.json","graph_json":"https://pith.science/api/pith-number/3QYSY7H7KR6ABVUOC2F6JZU5BO/graph.json","events_json":"https://pith.science/api/pith-number/3QYSY7H7KR6ABVUOC2F6JZU5BO/events.json","paper":"https://pith.science/paper/3QYSY7H7"},"agent_actions":{"view_html":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO","download_json":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO.json","view_paper":"https://pith.science/paper/3QYSY7H7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.11877&json=true","fetch_graph":"https://pith.science/api/pith-number/3QYSY7H7KR6ABVUOC2F6JZU5BO/graph.json","fetch_events":"https://pith.science/api/pith-number/3QYSY7H7KR6ABVUOC2F6JZU5BO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO/action/storage_attestation","attest_author":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO/action/author_attestation","sign_citation":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO/action/citation_signature","submit_replication":"https://pith.science/pith/3QYSY7H7KR6ABVUOC2F6JZU5BO/action/replication_record"}},"created_at":"2026-07-05T00:41:44.566009+00:00","updated_at":"2026-07-05T00:41:44.566009+00:00"}