{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:ZANGADWQYN5AD2BMKHFYMQ5CF7","short_pith_number":"pith:ZANGADWQ","schema_version":"1.0","canonical_sha256":"c81a600ed0c37a01e82c51cb8643a22ff9f2ac7683b7216c16c6c1944a1445e6","source":{"kind":"arxiv","id":"1709.04466","version":1},"attestation_state":"computed","paper":{"title":"Metallicities of Young Massive Clusters in NGC 5236 (M83)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Lex Kaper, Paul Groot, Scott Trager, S{\\o}ren Larsen, Svea Hernandez","submitted_at":"2017-09-13T18:00:01Z","abstract_excerpt":"We present integrated-light spectra of 8 Young Massive Clusters (YMCs) in the metal-rich spiral galaxy NGC 5236 (M 83). The observations were taken with the X-Shooter spectrograph on the ESO Very Large Telescope. Through the use of theoretical isochrones and synthetic integrated-light (IL) spectra we derive metallicities and study the radial metallicity gradient observed through these young populations. For the inner regions of the galaxy we observe a relatively shallow metallicity gradient of $-$0.37 $\\pm$0.29 dex R$_{25}^{-1}$, agreeing with chemical evolution models with an absence of infal"},"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":"1709.04466","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-13T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"8d4c3c09e72273539fe355da013ebe9e379b8a89c51d4df09c06e86f67b8f17c","abstract_canon_sha256":"8eb8717d083e0ccebe121c659987952edf3fddd1bc7ae1646d94ab8dc1f78ab3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:39.872511Z","signature_b64":"yn3HmE491KLJh0tRuYmYiXjrH4cz+I3xMPZuSHZDK2Ic7uu5vIOz3JRB/RNryY/DMZSe+AoCxPPjdEU52PAjAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c81a600ed0c37a01e82c51cb8643a22ff9f2ac7683b7216c16c6c1944a1445e6","last_reissued_at":"2026-05-18T00:31:39.872039Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:39.872039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Metallicities of Young Massive Clusters in NGC 5236 (M83)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Lex Kaper, Paul Groot, Scott Trager, S{\\o}ren Larsen, Svea Hernandez","submitted_at":"2017-09-13T18:00:01Z","abstract_excerpt":"We present integrated-light spectra of 8 Young Massive Clusters (YMCs) in the metal-rich spiral galaxy NGC 5236 (M 83). The observations were taken with the X-Shooter spectrograph on the ESO Very Large Telescope. Through the use of theoretical isochrones and synthetic integrated-light (IL) spectra we derive metallicities and study the radial metallicity gradient observed through these young populations. For the inner regions of the galaxy we observe a relatively shallow metallicity gradient of $-$0.37 $\\pm$0.29 dex R$_{25}^{-1}$, agreeing with chemical evolution models with an absence of infal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04466","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":"1709.04466","created_at":"2026-05-18T00:31:39.872098+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.04466v1","created_at":"2026-05-18T00:31:39.872098+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04466","created_at":"2026-05-18T00:31:39.872098+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZANGADWQYN5A","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZANGADWQYN5AD2BM","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZANGADWQ","created_at":"2026-05-18T12:31:59.375834+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/ZANGADWQYN5AD2BMKHFYMQ5CF7","json":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7.json","graph_json":"https://pith.science/api/pith-number/ZANGADWQYN5AD2BMKHFYMQ5CF7/graph.json","events_json":"https://pith.science/api/pith-number/ZANGADWQYN5AD2BMKHFYMQ5CF7/events.json","paper":"https://pith.science/paper/ZANGADWQ"},"agent_actions":{"view_html":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7","download_json":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7.json","view_paper":"https://pith.science/paper/ZANGADWQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.04466&json=true","fetch_graph":"https://pith.science/api/pith-number/ZANGADWQYN5AD2BMKHFYMQ5CF7/graph.json","fetch_events":"https://pith.science/api/pith-number/ZANGADWQYN5AD2BMKHFYMQ5CF7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7/action/storage_attestation","attest_author":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7/action/author_attestation","sign_citation":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7/action/citation_signature","submit_replication":"https://pith.science/pith/ZANGADWQYN5AD2BMKHFYMQ5CF7/action/replication_record"}},"created_at":"2026-05-18T00:31:39.872098+00:00","updated_at":"2026-05-18T00:31:39.872098+00:00"}