{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:V4RF4QSC4OV7KRIVN25SNPTX3B","short_pith_number":"pith:V4RF4QSC","schema_version":"1.0","canonical_sha256":"af225e4242e3abf545156ebb26be77d84f93bcd9f89bae629095c28c2dd0d1f4","source":{"kind":"arxiv","id":"1704.08264","version":1},"attestation_state":"computed","paper":{"title":"A Massive Prestellar Clump Hosting no High-Mass Cores","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andres E. Guzman, Ian W. Stephens, James M. Jackson, Ken'ichi Tatematsu, Ke Wang, Patricio Sanhueza, Qizhou Zhang, Xing Lu","submitted_at":"2017-04-26T18:01:00Z","abstract_excerpt":"The Infrared Dark Cloud (IRDC) G028.23-00.19 hosts a massive (1,500 Msun), cold (12 K), and 3.6-70 um IR dark clump (MM1) that has the potential to form high-mass stars. We observed this prestellar clump candidate with the SMA (~3.5\" resolution) and JVLA (~2.1\" resolution) in order to characterize the early stages of high-mass star formation and to constrain theoretical models. Dust emission at 1.3 mm wavelength reveals 5 cores with masses <15 Msun. None of the cores currently have the mass reservoir to form a high-mass star in the prestellar phase. If the MM1 clump will ultimately form high-m"},"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":"1704.08264","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-04-26T18:01:00Z","cross_cats_sorted":[],"title_canon_sha256":"2b7a4d00a5e33a0dcf70d0a24aad93f0e6df3669cc9f8b855f4aea46f8361dbc","abstract_canon_sha256":"3d48b1b3106caa6d3aff0afa0180708282a68bb70b7bf13ccda290c414a311d4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:28.751420Z","signature_b64":"EKjalQQR11ihEnxTbTblAyY0Q+SURnK6BY8EVZEwx9Kx4EU7tcr67EhMiNEgxm+iaL03E7HGu8BGGxgrgxcXCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af225e4242e3abf545156ebb26be77d84f93bcd9f89bae629095c28c2dd0d1f4","last_reissued_at":"2026-05-18T00:42:28.750957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:28.750957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Massive Prestellar Clump Hosting no High-Mass Cores","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andres E. Guzman, Ian W. Stephens, James M. Jackson, Ken'ichi Tatematsu, Ke Wang, Patricio Sanhueza, Qizhou Zhang, Xing Lu","submitted_at":"2017-04-26T18:01:00Z","abstract_excerpt":"The Infrared Dark Cloud (IRDC) G028.23-00.19 hosts a massive (1,500 Msun), cold (12 K), and 3.6-70 um IR dark clump (MM1) that has the potential to form high-mass stars. We observed this prestellar clump candidate with the SMA (~3.5\" resolution) and JVLA (~2.1\" resolution) in order to characterize the early stages of high-mass star formation and to constrain theoretical models. Dust emission at 1.3 mm wavelength reveals 5 cores with masses <15 Msun. None of the cores currently have the mass reservoir to form a high-mass star in the prestellar phase. If the MM1 clump will ultimately form high-m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08264","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":"1704.08264","created_at":"2026-05-18T00:42:28.751027+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.08264v1","created_at":"2026-05-18T00:42:28.751027+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08264","created_at":"2026-05-18T00:42:28.751027+00:00"},{"alias_kind":"pith_short_12","alias_value":"V4RF4QSC4OV7","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"V4RF4QSC4OV7KRIV","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"V4RF4QSC","created_at":"2026-05-18T12:31:49.984773+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/V4RF4QSC4OV7KRIVN25SNPTX3B","json":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B.json","graph_json":"https://pith.science/api/pith-number/V4RF4QSC4OV7KRIVN25SNPTX3B/graph.json","events_json":"https://pith.science/api/pith-number/V4RF4QSC4OV7KRIVN25SNPTX3B/events.json","paper":"https://pith.science/paper/V4RF4QSC"},"agent_actions":{"view_html":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B","download_json":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B.json","view_paper":"https://pith.science/paper/V4RF4QSC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.08264&json=true","fetch_graph":"https://pith.science/api/pith-number/V4RF4QSC4OV7KRIVN25SNPTX3B/graph.json","fetch_events":"https://pith.science/api/pith-number/V4RF4QSC4OV7KRIVN25SNPTX3B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B/action/storage_attestation","attest_author":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B/action/author_attestation","sign_citation":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B/action/citation_signature","submit_replication":"https://pith.science/pith/V4RF4QSC4OV7KRIVN25SNPTX3B/action/replication_record"}},"created_at":"2026-05-18T00:42:28.751027+00:00","updated_at":"2026-05-18T00:42:28.751027+00:00"}