{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:FEPQQFCOCCFLSTIPYO4WQK3XJS","short_pith_number":"pith:FEPQQFCO","schema_version":"1.0","canonical_sha256":"291f08144e108ab94d0fc3b9682b774c81e26eed8a2e70e08157d2e1759ac7b7","source":{"kind":"arxiv","id":"1501.05300","version":1},"attestation_state":"computed","paper":{"title":"The Spatial Structure of Young Stellar Clusters. II. Total Young Stellar Populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"2, (2) Universidad de Valpara\\'iso, 3), (3) Millennium Institute of Astrophysics), Eric D. Feigelson (1) ((1) Penn State University, Konstantin V. Getman (1), Michael A. Kuhn (1","submitted_at":"2015-01-21T21:00:05Z","abstract_excerpt":"We investigate the intrinsic stellar populations (estimated total numbers of OB and pre-main-sequence stars down to 0.1 Mo) that are present in 17 massive star-forming regions (MSFRs) surveyed by the MYStIX project. The study is based on the catalog of >31,000 MYStIX Probable Complex Members with both disk-bearing and disk-free populations, compensating for extinction, nebulosity, and crowding effects. Correction for observational sensitivities is made using the X-ray Luminosity Function (XLF) and the near-infrared Initial Mass Function (IMF)--a correction that is often not made by infrared su"},"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":"1501.05300","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-21T21:00:05Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d2e2e5c7eaa183e81eefc21ab760ffba510c3bdc15044d89d2f0a8b64d8e4f38","abstract_canon_sha256":"4f78cc240018c1542c935c7afe2a83a7fa78e3b2340888a73d33630c27c89538"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:09.530722Z","signature_b64":"fssQA49Fng3zQi4OpHDqa+3jFpP+1zyzTqyNp1G/gC04DQU2vg7Aj4/HmDJXTJsb6EQwtAPbWr7WjJ4tobIXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"291f08144e108ab94d0fc3b9682b774c81e26eed8a2e70e08157d2e1759ac7b7","last_reissued_at":"2026-05-18T01:41:09.530106Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:09.530106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Spatial Structure of Young Stellar Clusters. II. Total Young Stellar Populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"2, (2) Universidad de Valpara\\'iso, 3), (3) Millennium Institute of Astrophysics), Eric D. Feigelson (1) ((1) Penn State University, Konstantin V. Getman (1), Michael A. Kuhn (1","submitted_at":"2015-01-21T21:00:05Z","abstract_excerpt":"We investigate the intrinsic stellar populations (estimated total numbers of OB and pre-main-sequence stars down to 0.1 Mo) that are present in 17 massive star-forming regions (MSFRs) surveyed by the MYStIX project. The study is based on the catalog of >31,000 MYStIX Probable Complex Members with both disk-bearing and disk-free populations, compensating for extinction, nebulosity, and crowding effects. Correction for observational sensitivities is made using the X-ray Luminosity Function (XLF) and the near-infrared Initial Mass Function (IMF)--a correction that is often not made by infrared su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05300","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":"1501.05300","created_at":"2026-05-18T01:41:09.530200+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.05300v1","created_at":"2026-05-18T01:41:09.530200+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05300","created_at":"2026-05-18T01:41:09.530200+00:00"},{"alias_kind":"pith_short_12","alias_value":"FEPQQFCOCCFL","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"FEPQQFCOCCFLSTIP","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"FEPQQFCO","created_at":"2026-05-18T12:29:19.899920+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/FEPQQFCOCCFLSTIPYO4WQK3XJS","json":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS.json","graph_json":"https://pith.science/api/pith-number/FEPQQFCOCCFLSTIPYO4WQK3XJS/graph.json","events_json":"https://pith.science/api/pith-number/FEPQQFCOCCFLSTIPYO4WQK3XJS/events.json","paper":"https://pith.science/paper/FEPQQFCO"},"agent_actions":{"view_html":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS","download_json":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS.json","view_paper":"https://pith.science/paper/FEPQQFCO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.05300&json=true","fetch_graph":"https://pith.science/api/pith-number/FEPQQFCOCCFLSTIPYO4WQK3XJS/graph.json","fetch_events":"https://pith.science/api/pith-number/FEPQQFCOCCFLSTIPYO4WQK3XJS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS/action/storage_attestation","attest_author":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS/action/author_attestation","sign_citation":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS/action/citation_signature","submit_replication":"https://pith.science/pith/FEPQQFCOCCFLSTIPYO4WQK3XJS/action/replication_record"}},"created_at":"2026-05-18T01:41:09.530200+00:00","updated_at":"2026-05-18T01:41:09.530200+00:00"}