{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:ZQGAZVADLELG5CVUIVMCNIJIHX","short_pith_number":"pith:ZQGAZVAD","schema_version":"1.0","canonical_sha256":"cc0c0cd40359166e8ab4455826a1283de89e630cb729ef1a4e0404b0f10a63ab","source":{"kind":"arxiv","id":"2108.12437","version":1},"attestation_state":"computed","paper":{"title":"The extension of the Fundamental Metallicity Relation beyond the BPT star-forming sequence: evidence for both gas accretion and starvation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessandro Marconi, Filippo Mannucci, Francesco Belfiore, Giovanni Cresci, James Trussler, Mirko Curti, Nimisha Kumari, Roberto Maiolino","submitted_at":"2021-08-27T18:00:11Z","abstract_excerpt":"The fundamental metallicity relation (FMR) of galaxies is a 3D relation between the gas-phase metallicity, stellar mass and star-formation rate (SFR). It has been studied so far only for galaxies identified as star-forming (SF) on the BPT diagrams (BPT-SF), but not for galaxies with LI(N)ER/AGN classification (BPT-non-SF), mainly due to the lack of diagnostics for estimating their gas-phase metallicities in the latter cases. We extend the FMR to BPT-non-SF galaxies. To this end, we exploit the recent nebular line empirical calibrations derived specifically for galaxies classified as non-SF in "},"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":"2108.12437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-08-27T18:00:11Z","cross_cats_sorted":[],"title_canon_sha256":"7822b5397449736bd29d7f7a7a474c09ce833ebd72090decd2ee872805edfb88","abstract_canon_sha256":"95094ee295e77a3c79218b5378352f314aedfb895997a44cda10d3d17c2742f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:40:43.352152Z","signature_b64":"jRB/ZZbORCBs7/fymGzHZFK/Xi4Yj0ixxY6fNWyyTeFjObJl3f61PIhdU+bDVLU99BpP1q8HPsYlboVqbm3aDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc0c0cd40359166e8ab4455826a1283de89e630cb729ef1a4e0404b0f10a63ab","last_reissued_at":"2026-07-05T03:40:43.351662Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:40:43.351662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The extension of the Fundamental Metallicity Relation beyond the BPT star-forming sequence: evidence for both gas accretion and starvation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessandro Marconi, Filippo Mannucci, Francesco Belfiore, Giovanni Cresci, James Trussler, Mirko Curti, Nimisha Kumari, Roberto Maiolino","submitted_at":"2021-08-27T18:00:11Z","abstract_excerpt":"The fundamental metallicity relation (FMR) of galaxies is a 3D relation between the gas-phase metallicity, stellar mass and star-formation rate (SFR). It has been studied so far only for galaxies identified as star-forming (SF) on the BPT diagrams (BPT-SF), but not for galaxies with LI(N)ER/AGN classification (BPT-non-SF), mainly due to the lack of diagnostics for estimating their gas-phase metallicities in the latter cases. We extend the FMR to BPT-non-SF galaxies. To this end, we exploit the recent nebular line empirical calibrations derived specifically for galaxies classified as non-SF in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.12437","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.12437/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":"2108.12437","created_at":"2026-07-05T03:40:43.351723+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.12437v1","created_at":"2026-07-05T03:40:43.351723+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.12437","created_at":"2026-07-05T03:40:43.351723+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZQGAZVADLELG","created_at":"2026-07-05T03:40:43.351723+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZQGAZVADLELG5CVU","created_at":"2026-07-05T03:40:43.351723+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZQGAZVAD","created_at":"2026-07-05T03:40:43.351723+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/ZQGAZVADLELG5CVUIVMCNIJIHX","json":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX.json","graph_json":"https://pith.science/api/pith-number/ZQGAZVADLELG5CVUIVMCNIJIHX/graph.json","events_json":"https://pith.science/api/pith-number/ZQGAZVADLELG5CVUIVMCNIJIHX/events.json","paper":"https://pith.science/paper/ZQGAZVAD"},"agent_actions":{"view_html":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX","download_json":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX.json","view_paper":"https://pith.science/paper/ZQGAZVAD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.12437&json=true","fetch_graph":"https://pith.science/api/pith-number/ZQGAZVADLELG5CVUIVMCNIJIHX/graph.json","fetch_events":"https://pith.science/api/pith-number/ZQGAZVADLELG5CVUIVMCNIJIHX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX/action/storage_attestation","attest_author":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX/action/author_attestation","sign_citation":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX/action/citation_signature","submit_replication":"https://pith.science/pith/ZQGAZVADLELG5CVUIVMCNIJIHX/action/replication_record"}},"created_at":"2026-07-05T03:40:43.351723+00:00","updated_at":"2026-07-05T03:40:43.351723+00:00"}