{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:U6H4MN7YHL6U6AA5SME4BEGPQJ","short_pith_number":"pith:U6H4MN7Y","schema_version":"1.0","canonical_sha256":"a78fc637f83afd4f001d9309c090cf8275e8f7f76c346c6d1a80895435959552","source":{"kind":"arxiv","id":"1211.1527","version":1},"attestation_state":"computed","paper":{"title":"Environmental imprint on galaxy chemical enrichment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jorje Iglesias-Paramo, Jose Manuel Vilchez, Vasiliki Petropoulou","submitted_at":"2012-11-07T12:50:28Z","abstract_excerpt":"Recent results are presented on the metal enrichment of low-mass star-forming (SF) galaxies in local Universe clusters. The environmental effects on the chemical evolution of these galaxies are discussed. We have used spectroscopic data from the SDSSIII-DR8 and we have derived the gas-phase O/H and N/O abundances. We have then examined the Mass-Metallicity Relation (MZR) of this sample of cluster galaxies, and we have found well defined sequences. A flattening of the slope of these sequences has been observed for galaxies located in the core of the two more massive clusters of the sample, sugg"},"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":"1211.1527","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-07T12:50:28Z","cross_cats_sorted":[],"title_canon_sha256":"c822235d983d65d5a16f37b342ecfac6daa750b5b871d0d9c8e8b2d14df22c0d","abstract_canon_sha256":"82a9cf8326f6002582aae571879481d9eaf9a3d5f3f31c1ce064e5b14dab319a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:20.805508Z","signature_b64":"k0Ofuy2oPqvEBIFREnLqCFL+F4+/vc+qyV203S/pzuXcwfTAGppn9BMfKhAsV0UBbSZ8m7zbMI4nkTVNxJb8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a78fc637f83afd4f001d9309c090cf8275e8f7f76c346c6d1a80895435959552","last_reissued_at":"2026-05-18T03:41:20.805092Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:20.805092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Environmental imprint on galaxy chemical enrichment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jorje Iglesias-Paramo, Jose Manuel Vilchez, Vasiliki Petropoulou","submitted_at":"2012-11-07T12:50:28Z","abstract_excerpt":"Recent results are presented on the metal enrichment of low-mass star-forming (SF) galaxies in local Universe clusters. The environmental effects on the chemical evolution of these galaxies are discussed. We have used spectroscopic data from the SDSSIII-DR8 and we have derived the gas-phase O/H and N/O abundances. We have then examined the Mass-Metallicity Relation (MZR) of this sample of cluster galaxies, and we have found well defined sequences. A flattening of the slope of these sequences has been observed for galaxies located in the core of the two more massive clusters of the sample, sugg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.1527","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":"1211.1527","created_at":"2026-05-18T03:41:20.805149+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.1527v1","created_at":"2026-05-18T03:41:20.805149+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.1527","created_at":"2026-05-18T03:41:20.805149+00:00"},{"alias_kind":"pith_short_12","alias_value":"U6H4MN7YHL6U","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"U6H4MN7YHL6U6AA5","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"U6H4MN7Y","created_at":"2026-05-18T12:27:23.164592+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/U6H4MN7YHL6U6AA5SME4BEGPQJ","json":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ.json","graph_json":"https://pith.science/api/pith-number/U6H4MN7YHL6U6AA5SME4BEGPQJ/graph.json","events_json":"https://pith.science/api/pith-number/U6H4MN7YHL6U6AA5SME4BEGPQJ/events.json","paper":"https://pith.science/paper/U6H4MN7Y"},"agent_actions":{"view_html":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ","download_json":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ.json","view_paper":"https://pith.science/paper/U6H4MN7Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.1527&json=true","fetch_graph":"https://pith.science/api/pith-number/U6H4MN7YHL6U6AA5SME4BEGPQJ/graph.json","fetch_events":"https://pith.science/api/pith-number/U6H4MN7YHL6U6AA5SME4BEGPQJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ/action/storage_attestation","attest_author":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ/action/author_attestation","sign_citation":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ/action/citation_signature","submit_replication":"https://pith.science/pith/U6H4MN7YHL6U6AA5SME4BEGPQJ/action/replication_record"}},"created_at":"2026-05-18T03:41:20.805149+00:00","updated_at":"2026-05-18T03:41:20.805149+00:00"}