{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:AIIXEXMECOJWMVSZHBVHZOF3MK","short_pith_number":"pith:AIIXEXME","schema_version":"1.0","canonical_sha256":"0211725d841393665659386a7cb8bb6291ed0ab59ba41f3d1a9fb4c7d2cc915e","source":{"kind":"arxiv","id":"1907.00013","version":2},"attestation_state":"computed","paper":{"title":"The MOSDEF Survey: Direct-Method Metallicities and ISM Conditions at $z\\sim1.5-3.5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice E. Shapley, Alison L. Coil, Bahram Mobasher, Brian Siana, Francesca M. Fornasini, Gene Leung, Guillermo Barro, Irene Shivaei, Laura de Groot, Mariska Kriek, Mojegan Azadi, Naveen A. Reddy, Ryan L. Sanders, Sedona H. Price, Tara Fetherolf, Tom Zick, William R. Freeman","submitted_at":"2019-06-28T18:00:05Z","abstract_excerpt":"We present detections of [OIII]$\\lambda$4363 and direct-method metallicities for star-forming galaxies at $z=1.7-3.6$. We combine new measurements from the MOSFIRE Deep Evolution Field (MOSDEF) survey with literature sources to construct a sample of 18 galaxies with direct-method metallicities at $z>1$, spanning $7.5<1$2+log(O/H$)<8.2$ and log(M$_*$/M$_{\\odot})=7-10$. We find that strong-line calibrations based on local analogs of high-redshift galaxies reliably reproduce the metallicity of the $z>1$ sample on average. We construct the first mass-metallicity relation at $z>1$ based purely on d"},"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":"1907.00013","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-28T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"3c7615da2acc014026550ff1b8986297c6ae7950ac2f534afb975e714415afc0","abstract_canon_sha256":"abfd52ffce7e5212cb94e8a0fec30f53cddda1961faaed725c57d4647330489e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:26:37.138892Z","signature_b64":"A6Da0D9xAgxNl5cABT/EdJtvHOjgeV5pVPP2mBf4pLdwM/f/41Jd3IZSIhEPAYd6NojkYnH7YFuiDGKngmtxBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0211725d841393665659386a7cb8bb6291ed0ab59ba41f3d1a9fb4c7d2cc915e","last_reissued_at":"2026-07-05T00:26:37.138386Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:26:37.138386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The MOSDEF Survey: Direct-Method Metallicities and ISM Conditions at $z\\sim1.5-3.5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice E. Shapley, Alison L. Coil, Bahram Mobasher, Brian Siana, Francesca M. Fornasini, Gene Leung, Guillermo Barro, Irene Shivaei, Laura de Groot, Mariska Kriek, Mojegan Azadi, Naveen A. Reddy, Ryan L. Sanders, Sedona H. Price, Tara Fetherolf, Tom Zick, William R. Freeman","submitted_at":"2019-06-28T18:00:05Z","abstract_excerpt":"We present detections of [OIII]$\\lambda$4363 and direct-method metallicities for star-forming galaxies at $z=1.7-3.6$. We combine new measurements from the MOSFIRE Deep Evolution Field (MOSDEF) survey with literature sources to construct a sample of 18 galaxies with direct-method metallicities at $z>1$, spanning $7.5<1$2+log(O/H$)<8.2$ and log(M$_*$/M$_{\\odot})=7-10$. We find that strong-line calibrations based on local analogs of high-redshift galaxies reliably reproduce the metallicity of the $z>1$ sample on average. We construct the first mass-metallicity relation at $z>1$ based purely on d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00013","kind":"arxiv","version":2},"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/1907.00013/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":"1907.00013","created_at":"2026-07-05T00:26:37.138450+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.00013v2","created_at":"2026-07-05T00:26:37.138450+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00013","created_at":"2026-07-05T00:26:37.138450+00:00"},{"alias_kind":"pith_short_12","alias_value":"AIIXEXMECOJW","created_at":"2026-07-05T00:26:37.138450+00:00"},{"alias_kind":"pith_short_16","alias_value":"AIIXEXMECOJWMVSZ","created_at":"2026-07-05T00:26:37.138450+00:00"},{"alias_kind":"pith_short_8","alias_value":"AIIXEXME","created_at":"2026-07-05T00:26:37.138450+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/AIIXEXMECOJWMVSZHBVHZOF3MK","json":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK.json","graph_json":"https://pith.science/api/pith-number/AIIXEXMECOJWMVSZHBVHZOF3MK/graph.json","events_json":"https://pith.science/api/pith-number/AIIXEXMECOJWMVSZHBVHZOF3MK/events.json","paper":"https://pith.science/paper/AIIXEXME"},"agent_actions":{"view_html":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK","download_json":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK.json","view_paper":"https://pith.science/paper/AIIXEXME","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.00013&json=true","fetch_graph":"https://pith.science/api/pith-number/AIIXEXMECOJWMVSZHBVHZOF3MK/graph.json","fetch_events":"https://pith.science/api/pith-number/AIIXEXMECOJWMVSZHBVHZOF3MK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK/action/storage_attestation","attest_author":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK/action/author_attestation","sign_citation":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK/action/citation_signature","submit_replication":"https://pith.science/pith/AIIXEXMECOJWMVSZHBVHZOF3MK/action/replication_record"}},"created_at":"2026-07-05T00:26:37.138450+00:00","updated_at":"2026-07-05T00:26:37.138450+00:00"}