{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:IL5SWXEDQU67VF6XPGH42FU73I","short_pith_number":"pith:IL5SWXED","schema_version":"1.0","canonical_sha256":"42fb2b5c83853dfa97d7798fcd169fda16439221beb130d051d592ed5b817acc","source":{"kind":"arxiv","id":"2305.07158","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic substellar initial mass function of NGC 2244","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo, A. Moitinho, A. Scholz, H. Bouy, J. Ascenso, K. Kubiak, K. Mu\\v{z}i\\'c, K. Pe\\~na Ram\\'irez, P. Br\\v{c}i\\'c, R. Bara\\v{c}, R. Jayawardhana, R. Sch\\\"oedel, V. Almendros-Abad","submitted_at":"2023-05-11T22:14:53Z","abstract_excerpt":"We aim at characterizing the low-mass (sub)stellar population of the central portion (2.4 pc$^2$) of the $\\sim$2 Myr old cluster NGC 2244 using near infrared spectroscopy. By studying this cluster, characterized by a low stellar density and numerous OB stars, we aim at exploring the effect that OB stars may have on the production of BDs. We obtain near infrared HK spectroscopy of 85 faint candidate members of NGC 2244. We derive the spectral type and extinction by comparison with spectral templates. We evaluate cluster membership using three gravity-sensitive spectral indices based on the shap"},"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":"2305.07158","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-05-11T22:14:53Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6ad21f32e54a9b6d5db516313e2209aed9a89bbb99083be40c855905c7d3169c","abstract_canon_sha256":"0dee21a91693223f698951aad34d9e6a446025049216cf709afd8c2aa66b11c8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:45:50.386419Z","signature_b64":"Ja97Bpk04Y9TGama6BHLUk40joIMsqJKouERd+fx+dFFIvJDLuWTdI1B7jpDvc9HZ4J6VbZUMtOICS5XBmgdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42fb2b5c83853dfa97d7798fcd169fda16439221beb130d051d592ed5b817acc","last_reissued_at":"2026-07-05T06:45:50.385906Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:45:50.385906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic substellar initial mass function of NGC 2244","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo, A. Moitinho, A. Scholz, H. Bouy, J. Ascenso, K. Kubiak, K. Mu\\v{z}i\\'c, K. Pe\\~na Ram\\'irez, P. Br\\v{c}i\\'c, R. Bara\\v{c}, R. Jayawardhana, R. Sch\\\"oedel, V. Almendros-Abad","submitted_at":"2023-05-11T22:14:53Z","abstract_excerpt":"We aim at characterizing the low-mass (sub)stellar population of the central portion (2.4 pc$^2$) of the $\\sim$2 Myr old cluster NGC 2244 using near infrared spectroscopy. By studying this cluster, characterized by a low stellar density and numerous OB stars, we aim at exploring the effect that OB stars may have on the production of BDs. We obtain near infrared HK spectroscopy of 85 faint candidate members of NGC 2244. We derive the spectral type and extinction by comparison with spectral templates. We evaluate cluster membership using three gravity-sensitive spectral indices based on the shap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.07158","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/2305.07158/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":"2305.07158","created_at":"2026-07-05T06:45:50.385966+00:00"},{"alias_kind":"arxiv_version","alias_value":"2305.07158v1","created_at":"2026-07-05T06:45:50.385966+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.07158","created_at":"2026-07-05T06:45:50.385966+00:00"},{"alias_kind":"pith_short_12","alias_value":"IL5SWXEDQU67","created_at":"2026-07-05T06:45:50.385966+00:00"},{"alias_kind":"pith_short_16","alias_value":"IL5SWXEDQU67VF6X","created_at":"2026-07-05T06:45:50.385966+00:00"},{"alias_kind":"pith_short_8","alias_value":"IL5SWXED","created_at":"2026-07-05T06:45:50.385966+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/IL5SWXEDQU67VF6XPGH42FU73I","json":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I.json","graph_json":"https://pith.science/api/pith-number/IL5SWXEDQU67VF6XPGH42FU73I/graph.json","events_json":"https://pith.science/api/pith-number/IL5SWXEDQU67VF6XPGH42FU73I/events.json","paper":"https://pith.science/paper/IL5SWXED"},"agent_actions":{"view_html":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I","download_json":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I.json","view_paper":"https://pith.science/paper/IL5SWXED","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2305.07158&json=true","fetch_graph":"https://pith.science/api/pith-number/IL5SWXEDQU67VF6XPGH42FU73I/graph.json","fetch_events":"https://pith.science/api/pith-number/IL5SWXEDQU67VF6XPGH42FU73I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I/action/storage_attestation","attest_author":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I/action/author_attestation","sign_citation":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I/action/citation_signature","submit_replication":"https://pith.science/pith/IL5SWXEDQU67VF6XPGH42FU73I/action/replication_record"}},"created_at":"2026-07-05T06:45:50.385966+00:00","updated_at":"2026-07-05T06:45:50.385966+00:00"}