{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:CFBOWHZG6MXG46SJF2RC5H4OJO","short_pith_number":"pith:CFBOWHZG","schema_version":"1.0","canonical_sha256":"1142eb1f26f32e6e7a492ea22e9f8e4ba327772c662dec2f2f63435437a5936e","source":{"kind":"arxiv","id":"1805.12131","version":1},"attestation_state":"computed","paper":{"title":"The gas-phase metallicities of star-forming galaxies in aperture-matched SDSS samples follow potential rather than mass or average surface density","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Brent Groves, Francesco D'Eugenio, Fuyan Bian, Matthew Colless, Tania M. Barone","submitted_at":"2018-05-30T18:00:00Z","abstract_excerpt":"We present a comparative study of the relation between the aperture-based gas-phase metallicity and three structural parameters of star-forming galaxies: mass ($\\mathrm{M \\equiv M_*}$), average potential ($\\Phi \\equiv \\mathrm{M_*/R_e}$) and average surface mass density ($\\Sigma \\equiv \\mathrm{M_*/R_e^2}$; where $\\mathrm{R_e}$ is the effective radius). We use a volume-limited sample drawn from the publicly available SDSS DR7, and base our analysis on aperture-matched sampling by selecting sets of galaxies where the SDSS fibre probes a fixed fraction of $\\mathrm{R_e}$. We find that between 0.5 a"},"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":"1805.12131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-30T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"eada0ea78d090675cf93d0302a04b69e2ecf163741532b304405b3fcfb08e3f5","abstract_canon_sha256":"a5953512530c849f0059b73c8248b6e922e5bf76af8d584a1d4499bf3dcd02ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:33.516904Z","signature_b64":"8KIaP8Hm653YPwS+w1ce9/VdVCw2afSZbJYjXcVmvK9UBjlWcnw0QhmkGv2wxt/sRF90Kf37XeACexfaoYqaDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1142eb1f26f32e6e7a492ea22e9f8e4ba327772c662dec2f2f63435437a5936e","last_reissued_at":"2026-05-18T00:14:33.516231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:33.516231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The gas-phase metallicities of star-forming galaxies in aperture-matched SDSS samples follow potential rather than mass or average surface density","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Brent Groves, Francesco D'Eugenio, Fuyan Bian, Matthew Colless, Tania M. Barone","submitted_at":"2018-05-30T18:00:00Z","abstract_excerpt":"We present a comparative study of the relation between the aperture-based gas-phase metallicity and three structural parameters of star-forming galaxies: mass ($\\mathrm{M \\equiv M_*}$), average potential ($\\Phi \\equiv \\mathrm{M_*/R_e}$) and average surface mass density ($\\Sigma \\equiv \\mathrm{M_*/R_e^2}$; where $\\mathrm{R_e}$ is the effective radius). We use a volume-limited sample drawn from the publicly available SDSS DR7, and base our analysis on aperture-matched sampling by selecting sets of galaxies where the SDSS fibre probes a fixed fraction of $\\mathrm{R_e}$. We find that between 0.5 a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.12131","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":"1805.12131","created_at":"2026-05-18T00:14:33.516324+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.12131v1","created_at":"2026-05-18T00:14:33.516324+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.12131","created_at":"2026-05-18T00:14:33.516324+00:00"},{"alias_kind":"pith_short_12","alias_value":"CFBOWHZG6MXG","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_16","alias_value":"CFBOWHZG6MXG46SJ","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_8","alias_value":"CFBOWHZG","created_at":"2026-05-18T12:32:16.446611+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/CFBOWHZG6MXG46SJF2RC5H4OJO","json":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO.json","graph_json":"https://pith.science/api/pith-number/CFBOWHZG6MXG46SJF2RC5H4OJO/graph.json","events_json":"https://pith.science/api/pith-number/CFBOWHZG6MXG46SJF2RC5H4OJO/events.json","paper":"https://pith.science/paper/CFBOWHZG"},"agent_actions":{"view_html":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO","download_json":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO.json","view_paper":"https://pith.science/paper/CFBOWHZG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.12131&json=true","fetch_graph":"https://pith.science/api/pith-number/CFBOWHZG6MXG46SJF2RC5H4OJO/graph.json","fetch_events":"https://pith.science/api/pith-number/CFBOWHZG6MXG46SJF2RC5H4OJO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO/action/storage_attestation","attest_author":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO/action/author_attestation","sign_citation":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO/action/citation_signature","submit_replication":"https://pith.science/pith/CFBOWHZG6MXG46SJF2RC5H4OJO/action/replication_record"}},"created_at":"2026-05-18T00:14:33.516324+00:00","updated_at":"2026-05-18T00:14:33.516324+00:00"}