{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:PU2GACXQODK4JZ5ZJJPBUBPZNI","short_pith_number":"pith:PU2GACXQ","schema_version":"1.0","canonical_sha256":"7d34600af070d5c4e7b94a5e1a05f96a0b64e093ce8b34a0d1f86abc7f6b0802","source":{"kind":"arxiv","id":"2409.11460","version":1},"attestation_state":"computed","paper":{"title":"Local Analogs of Potential Ionizers of the Intergalactic Medium: Compact Star-Forming Galaxies with Intense CIV $\\lambda$1550 Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anne E. Jaskot, Bethan L. James, Henry C. Ferguson, Intae Jung, Swara Ravindranath","submitted_at":"2024-09-17T18:00:00Z","abstract_excerpt":"We performed spectroscopic analyses of five local compact star-forming galaxies (CSFGs) with extremely high [OIII]/[OII] (O$_{32}$) ratios ($>20$). These targets remarkably share similar properties with high-redshift CIV emitters at $z>6$: high H$\\beta$ equivalent widths (EWs $>200$\\AA), extreme O$_{32}$ ratios, low metallicities (12+log(O/H) $\\lesssim7.8$), low C/O abundances (log(C/O) $<-0.6$), and high ionization conditions (log$U>-2$). The UV spectra were acquired using the Hubble Space Telescope's (HST) Cosmic Origins Spectrograph (COS) and Space Telescope Imaging Spectrograph (STIS). We "},"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":"2409.11460","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-17T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"1b2efcc9dfa2feb3d6725f23e832eb933df4aeb74de09b83b9237fcfede7f3e4","abstract_canon_sha256":"4ae245bb4e53bd370c1558a944896859872e12b1d60d157365803c08171581ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:08:31.500085Z","signature_b64":"eIfGfmpmR4hYrbzKqp5tK2W1SMf8uK4wCEjx0+4agqJk8ggBmTcsQX/O7zHjDekbockqn1IUleXLg9IZipshBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d34600af070d5c4e7b94a5e1a05f96a0b64e093ce8b34a0d1f86abc7f6b0802","last_reissued_at":"2026-07-05T09:08:31.499532Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:08:31.499532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Local Analogs of Potential Ionizers of the Intergalactic Medium: Compact Star-Forming Galaxies with Intense CIV $\\lambda$1550 Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anne E. Jaskot, Bethan L. James, Henry C. Ferguson, Intae Jung, Swara Ravindranath","submitted_at":"2024-09-17T18:00:00Z","abstract_excerpt":"We performed spectroscopic analyses of five local compact star-forming galaxies (CSFGs) with extremely high [OIII]/[OII] (O$_{32}$) ratios ($>20$). These targets remarkably share similar properties with high-redshift CIV emitters at $z>6$: high H$\\beta$ equivalent widths (EWs $>200$\\AA), extreme O$_{32}$ ratios, low metallicities (12+log(O/H) $\\lesssim7.8$), low C/O abundances (log(C/O) $<-0.6$), and high ionization conditions (log$U>-2$). The UV spectra were acquired using the Hubble Space Telescope's (HST) Cosmic Origins Spectrograph (COS) and Space Telescope Imaging Spectrograph (STIS). We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.11460","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/2409.11460/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":"2409.11460","created_at":"2026-07-05T09:08:31.499592+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.11460v1","created_at":"2026-07-05T09:08:31.499592+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.11460","created_at":"2026-07-05T09:08:31.499592+00:00"},{"alias_kind":"pith_short_12","alias_value":"PU2GACXQODK4","created_at":"2026-07-05T09:08:31.499592+00:00"},{"alias_kind":"pith_short_16","alias_value":"PU2GACXQODK4JZ5Z","created_at":"2026-07-05T09:08:31.499592+00:00"},{"alias_kind":"pith_short_8","alias_value":"PU2GACXQ","created_at":"2026-07-05T09:08:31.499592+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08749","citing_title":"Deep Spectroscopic Follow-Up of Maisie's Galaxy -- A Typical Galaxy in the Early Universe","ref_index":18,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI","json":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI.json","graph_json":"https://pith.science/api/pith-number/PU2GACXQODK4JZ5ZJJPBUBPZNI/graph.json","events_json":"https://pith.science/api/pith-number/PU2GACXQODK4JZ5ZJJPBUBPZNI/events.json","paper":"https://pith.science/paper/PU2GACXQ"},"agent_actions":{"view_html":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI","download_json":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI.json","view_paper":"https://pith.science/paper/PU2GACXQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.11460&json=true","fetch_graph":"https://pith.science/api/pith-number/PU2GACXQODK4JZ5ZJJPBUBPZNI/graph.json","fetch_events":"https://pith.science/api/pith-number/PU2GACXQODK4JZ5ZJJPBUBPZNI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI/action/storage_attestation","attest_author":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI/action/author_attestation","sign_citation":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI/action/citation_signature","submit_replication":"https://pith.science/pith/PU2GACXQODK4JZ5ZJJPBUBPZNI/action/replication_record"}},"created_at":"2026-07-05T09:08:31.499592+00:00","updated_at":"2026-07-05T09:08:31.499592+00:00"}