{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:I6LQ22UQD5VBFZGXJXONYU2PJ2","short_pith_number":"pith:I6LQ22UQ","schema_version":"1.0","canonical_sha256":"47970d6a901f6a12e4d74ddcdc534f4ebcba0e09bd1313c211f0044ad7b1dc78","source":{"kind":"arxiv","id":"1612.00687","version":1},"attestation_state":"computed","paper":{"title":"Globules and pillars in Cygnus X. II. Massive star formation in the globule IRAS~20319+3958","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Anlaug Amanda Djupvik, Fernando Comer\\'on, Nicola Schneider","submitted_at":"2016-12-02T14:08:14Z","abstract_excerpt":"Globules and pillars, impressively revealed by the Spitzer and Herschel satellites, for example, are pervasive features found in regions of massive star formation. We studied the globule IRAS 20319+3958 in Cygnus X by means of visible and near-infrared imaging and spectroscopy, complemented with mid-infrared Spitzer/IRAC imaging, in order to obtain a census of its stellar content and the nature of its embedded sources. Our observations show that the globule contains an embedded aggregate of about 30 very young ($\\lesssim 1$~Myr) stellar objects, for which we estimate a total mass of ~ 90 M_sun"},"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":"1612.00687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-02T14:08:14Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fea6a2ccbfa3b4e41ffc99e64a8f34e4e7c227fc916b23086ced584b7d88a240","abstract_canon_sha256":"52cc23c0b1da2183b54b644d28adbbbc3e070e83afc4ec36ac2b635d5742e194"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:50.991282Z","signature_b64":"8hGTaeGleVmkkGnesN3rIIiOXllyiy1pFMfju7/gqVDBZxGBWZlm7pmX37gDkILoEelI201y0LWl+9La/BD2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47970d6a901f6a12e4d74ddcdc534f4ebcba0e09bd1313c211f0044ad7b1dc78","last_reissued_at":"2026-05-18T00:49:50.990826Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:50.990826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Globules and pillars in Cygnus X. II. Massive star formation in the globule IRAS~20319+3958","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Anlaug Amanda Djupvik, Fernando Comer\\'on, Nicola Schneider","submitted_at":"2016-12-02T14:08:14Z","abstract_excerpt":"Globules and pillars, impressively revealed by the Spitzer and Herschel satellites, for example, are pervasive features found in regions of massive star formation. We studied the globule IRAS 20319+3958 in Cygnus X by means of visible and near-infrared imaging and spectroscopy, complemented with mid-infrared Spitzer/IRAC imaging, in order to obtain a census of its stellar content and the nature of its embedded sources. Our observations show that the globule contains an embedded aggregate of about 30 very young ($\\lesssim 1$~Myr) stellar objects, for which we estimate a total mass of ~ 90 M_sun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00687","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":"1612.00687","created_at":"2026-05-18T00:49:50.990901+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.00687v1","created_at":"2026-05-18T00:49:50.990901+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00687","created_at":"2026-05-18T00:49:50.990901+00:00"},{"alias_kind":"pith_short_12","alias_value":"I6LQ22UQD5VB","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"I6LQ22UQD5VBFZGX","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"I6LQ22UQ","created_at":"2026-05-18T12:30:22.444734+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/I6LQ22UQD5VBFZGXJXONYU2PJ2","json":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2.json","graph_json":"https://pith.science/api/pith-number/I6LQ22UQD5VBFZGXJXONYU2PJ2/graph.json","events_json":"https://pith.science/api/pith-number/I6LQ22UQD5VBFZGXJXONYU2PJ2/events.json","paper":"https://pith.science/paper/I6LQ22UQ"},"agent_actions":{"view_html":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2","download_json":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2.json","view_paper":"https://pith.science/paper/I6LQ22UQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.00687&json=true","fetch_graph":"https://pith.science/api/pith-number/I6LQ22UQD5VBFZGXJXONYU2PJ2/graph.json","fetch_events":"https://pith.science/api/pith-number/I6LQ22UQD5VBFZGXJXONYU2PJ2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2/action/storage_attestation","attest_author":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2/action/author_attestation","sign_citation":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2/action/citation_signature","submit_replication":"https://pith.science/pith/I6LQ22UQD5VBFZGXJXONYU2PJ2/action/replication_record"}},"created_at":"2026-05-18T00:49:50.990901+00:00","updated_at":"2026-05-18T00:49:50.990901+00:00"}