{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:P4734XQMS7PY7LKGXXQHJTRS6V","short_pith_number":"pith:P4734XQM","schema_version":"1.0","canonical_sha256":"7f3fbe5e0c97df8fad46bde074ce32f5571265c6131d0b092d9de5da01bd6442","source":{"kind":"arxiv","id":"1806.07732","version":1},"attestation_state":"computed","paper":{"title":"Nature and chemical abundances of a sample of Lyman-$\\alpha$ emitter objects at high redshift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. C. Krabbe, A. S. Oliveira, B. Agarwal, C. -E. Rydberg, G. F. Hagele, M. V. Cardaci, O. L. Dors, R. A. Riffel","submitted_at":"2018-06-20T13:51:17Z","abstract_excerpt":"We built a grid of photoionization models and compiled already available observational emission line intensities ($\\rm 1000 \\: < \\: \\lambda(\\AA) \\: < \\: 2000$) of confirmed star formation regions and Active Galactic Nucleus (AGNs) in order to classify five Ly$\\alpha$ emitter (LAE) objects at high redshift $(5.7 \\: < \\: z \\: < \\:7.2)$. We selected objects for which at least one metal emission-line was measured. The resulting sample is composed by the objects RXCJ2248.7-4431-ID3, HSCJ233408+004403, COSY, A1703-zd6, and CR7 (clump C). The photoionization models were built assuming a Power Law (as"},"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":"1806.07732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-20T13:51:17Z","cross_cats_sorted":[],"title_canon_sha256":"979d18f18d83423fea9386d2632c66bee413807f1a1fe7c53fcdc7654d6cd3cf","abstract_canon_sha256":"8ebe3e113d9067649cd5ca33cc6ac02d8195b1e83e30d1291d8ff517f8cce11f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:04.427249Z","signature_b64":"/EE5SY3fSiJqk/ptnBcukZdAs6VFwlplaZdbZye4sn1euN9GXuznMoLdL+izn7e8ummfv6oNkyIcYxzr10TPBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f3fbe5e0c97df8fad46bde074ce32f5571265c6131d0b092d9de5da01bd6442","last_reissued_at":"2026-05-18T00:11:04.426656Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:04.426656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nature and chemical abundances of a sample of Lyman-$\\alpha$ emitter objects at high redshift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. C. Krabbe, A. S. Oliveira, B. Agarwal, C. -E. Rydberg, G. F. Hagele, M. V. Cardaci, O. L. Dors, R. A. Riffel","submitted_at":"2018-06-20T13:51:17Z","abstract_excerpt":"We built a grid of photoionization models and compiled already available observational emission line intensities ($\\rm 1000 \\: < \\: \\lambda(\\AA) \\: < \\: 2000$) of confirmed star formation regions and Active Galactic Nucleus (AGNs) in order to classify five Ly$\\alpha$ emitter (LAE) objects at high redshift $(5.7 \\: < \\: z \\: < \\:7.2)$. We selected objects for which at least one metal emission-line was measured. The resulting sample is composed by the objects RXCJ2248.7-4431-ID3, HSCJ233408+004403, COSY, A1703-zd6, and CR7 (clump C). The photoionization models were built assuming a Power Law (as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.07732","kind":"arxiv","version":1},"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":"1806.07732","created_at":"2026-05-18T00:11:04.426758+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.07732v1","created_at":"2026-05-18T00:11:04.426758+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.07732","created_at":"2026-05-18T00:11:04.426758+00:00"},{"alias_kind":"pith_short_12","alias_value":"P4734XQMS7PY","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"P4734XQMS7PY7LKG","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"P4734XQM","created_at":"2026-05-18T12:32:43.782077+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/P4734XQMS7PY7LKGXXQHJTRS6V","json":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V.json","graph_json":"https://pith.science/api/pith-number/P4734XQMS7PY7LKGXXQHJTRS6V/graph.json","events_json":"https://pith.science/api/pith-number/P4734XQMS7PY7LKGXXQHJTRS6V/events.json","paper":"https://pith.science/paper/P4734XQM"},"agent_actions":{"view_html":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V","download_json":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V.json","view_paper":"https://pith.science/paper/P4734XQM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.07732&json=true","fetch_graph":"https://pith.science/api/pith-number/P4734XQMS7PY7LKGXXQHJTRS6V/graph.json","fetch_events":"https://pith.science/api/pith-number/P4734XQMS7PY7LKGXXQHJTRS6V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V/action/storage_attestation","attest_author":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V/action/author_attestation","sign_citation":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V/action/citation_signature","submit_replication":"https://pith.science/pith/P4734XQMS7PY7LKGXXQHJTRS6V/action/replication_record"}},"created_at":"2026-05-18T00:11:04.426758+00:00","updated_at":"2026-05-18T00:11:04.426758+00:00"}