{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:HGWIIVF4C65L5DHCYNS24XVR7T","short_pith_number":"pith:HGWIIVF4","schema_version":"1.0","canonical_sha256":"39ac8454bc17babe8ce2c365ae5eb1fceea3e7b45b7991ff1f2a8f71b6bd8006","source":{"kind":"arxiv","id":"1505.03038","version":1},"attestation_state":"computed","paper":{"title":"Star formation properties of galaxy cluster A1767","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) School of Mathematics, 3), (3) School of Mathematics, Changzhou University), Feng Li (1, Nanjing Normal University, Peng-Fei Yan (1, Physics, Qingdao University of Science, Qi-Rong Yuan (1)((1) Department of Physics, Technology","submitted_at":"2015-05-12T14:51:24Z","abstract_excerpt":"Abell 1767 is a dynamically relaxed, cD cluster of galaxies with a redshift of 0.0703. Among 250 spectroscopically confirmed member galaxies within a projected radius of 2.5r_{200}, 243 galaxies (~ 97%) are spectroscopically covered by the Sloan Digital Sky Survey (SDSS). Based on this homogeneous spectral sample, the stellar evolutionary synthesis code, STARLIGHT, is applied to investigate the stellar populations and star formation histories (SFHs) of cluster galaxies. The star formation properties of galaxies, such as mean stellar ages, metallicities, stellar masses, and star formation rates"},"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":"1505.03038","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-12T14:51:24Z","cross_cats_sorted":[],"title_canon_sha256":"a035e535609c480e35eec4070cb1c6a026d5eaecf94a4319a428fd98e174d1e1","abstract_canon_sha256":"0b8075645bf6c2cc399ebff65a264ed8c3d64df1b43dae4062181b5676e3665e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:23.747434Z","signature_b64":"BkoxcBXKF/okPmwfiXH6cq+MHwkeA7zD+Ip2TTQVROWOgZ/utvXIFXb0N+mPTNnRSOaraqLCn59FJCm/nGr+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39ac8454bc17babe8ce2c365ae5eb1fceea3e7b45b7991ff1f2a8f71b6bd8006","last_reissued_at":"2026-05-18T01:27:23.746956Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:23.746956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Star formation properties of galaxy cluster A1767","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) School of Mathematics, 3), (3) School of Mathematics, Changzhou University), Feng Li (1, Nanjing Normal University, Peng-Fei Yan (1, Physics, Qingdao University of Science, Qi-Rong Yuan (1)((1) Department of Physics, Technology","submitted_at":"2015-05-12T14:51:24Z","abstract_excerpt":"Abell 1767 is a dynamically relaxed, cD cluster of galaxies with a redshift of 0.0703. Among 250 spectroscopically confirmed member galaxies within a projected radius of 2.5r_{200}, 243 galaxies (~ 97%) are spectroscopically covered by the Sloan Digital Sky Survey (SDSS). Based on this homogeneous spectral sample, the stellar evolutionary synthesis code, STARLIGHT, is applied to investigate the stellar populations and star formation histories (SFHs) of cluster galaxies. The star formation properties of galaxies, such as mean stellar ages, metallicities, stellar masses, and star formation rates"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03038","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":"1505.03038","created_at":"2026-05-18T01:27:23.747034+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.03038v1","created_at":"2026-05-18T01:27:23.747034+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03038","created_at":"2026-05-18T01:27:23.747034+00:00"},{"alias_kind":"pith_short_12","alias_value":"HGWIIVF4C65L","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_16","alias_value":"HGWIIVF4C65L5DHC","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_8","alias_value":"HGWIIVF4","created_at":"2026-05-18T12:29:25.134429+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/HGWIIVF4C65L5DHCYNS24XVR7T","json":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T.json","graph_json":"https://pith.science/api/pith-number/HGWIIVF4C65L5DHCYNS24XVR7T/graph.json","events_json":"https://pith.science/api/pith-number/HGWIIVF4C65L5DHCYNS24XVR7T/events.json","paper":"https://pith.science/paper/HGWIIVF4"},"agent_actions":{"view_html":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T","download_json":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T.json","view_paper":"https://pith.science/paper/HGWIIVF4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.03038&json=true","fetch_graph":"https://pith.science/api/pith-number/HGWIIVF4C65L5DHCYNS24XVR7T/graph.json","fetch_events":"https://pith.science/api/pith-number/HGWIIVF4C65L5DHCYNS24XVR7T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T/action/storage_attestation","attest_author":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T/action/author_attestation","sign_citation":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T/action/citation_signature","submit_replication":"https://pith.science/pith/HGWIIVF4C65L5DHCYNS24XVR7T/action/replication_record"}},"created_at":"2026-05-18T01:27:23.747034+00:00","updated_at":"2026-05-18T01:27:23.747034+00:00"}