{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:TYWPVLQB3AAHULZYBUB5W7LS24","short_pith_number":"pith:TYWPVLQB","schema_version":"1.0","canonical_sha256":"9e2cfaae01d8007a2f380d03db7d72d7059fb202feda8d89f3a0e5b86d99d286","source":{"kind":"arxiv","id":"2410.17455","version":1},"attestation_state":"computed","paper":{"title":"ATOMS: ALMA three-millimeter observations of massive star-forming regions -- XVIII. On the origin and evolution of dense gas fragments in molecular shells of compact HII regions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Annie Zavagno, Archana Soam, Chang Won Lee, Fengwei Xu, Guido Garay, Hongli Liu, James O. Chibueze, Jian-Wen Zhou, Jihye Hwang, Ke Wang, Leonardo Bronfman, Lokesh K. Dewangan, Patricio Sanhueza, Paul F. Goldsmith, Shanghuo Li, Siju Zhang, Tie Liu, Xunchuan Liu, Yong Zhang","submitted_at":"2024-10-22T22:11:40Z","abstract_excerpt":"Fragmentation and evolution for the molecular shells of the compact HII regions are less explored compared to their evolved counterparts. We map nine compact HII regions with a typical diameter of 0.4 pc that are surrounded by molecular shells traced by CCH. Several to a dozen dense gas fragments probed by H13CO+ are embedded in these molecular shells. These gas fragments, strongly affected by the HII region, have a higher surface density, mass, and turbulence than those outside the shells but within the same pc-scale natal clump. These features suggest that the shells swept up by the early HI"},"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":"2410.17455","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-22T22:11:40Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"8ebf1ed262c644d5788908abd70c9bd5089d017a9ce21f9294a11b7f4d7f0913","abstract_canon_sha256":"72f54739ee0159a10228cd7261f3147cc65d47984fad85dc5eaeaade28613bbc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:24:22.865996Z","signature_b64":"H6nbShuS9EnhPTSNGamtCYhMTz/yeBRfjdhKlUBSIIFt82a1DiszByq2mOrfMC1TWaLae4nSCz0q/qtLDwPNCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e2cfaae01d8007a2f380d03db7d72d7059fb202feda8d89f3a0e5b86d99d286","last_reissued_at":"2026-07-05T09:24:22.865584Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:24:22.865584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ATOMS: ALMA three-millimeter observations of massive star-forming regions -- XVIII. On the origin and evolution of dense gas fragments in molecular shells of compact HII regions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Annie Zavagno, Archana Soam, Chang Won Lee, Fengwei Xu, Guido Garay, Hongli Liu, James O. Chibueze, Jian-Wen Zhou, Jihye Hwang, Ke Wang, Leonardo Bronfman, Lokesh K. Dewangan, Patricio Sanhueza, Paul F. Goldsmith, Shanghuo Li, Siju Zhang, Tie Liu, Xunchuan Liu, Yong Zhang","submitted_at":"2024-10-22T22:11:40Z","abstract_excerpt":"Fragmentation and evolution for the molecular shells of the compact HII regions are less explored compared to their evolved counterparts. We map nine compact HII regions with a typical diameter of 0.4 pc that are surrounded by molecular shells traced by CCH. Several to a dozen dense gas fragments probed by H13CO+ are embedded in these molecular shells. These gas fragments, strongly affected by the HII region, have a higher surface density, mass, and turbulence than those outside the shells but within the same pc-scale natal clump. These features suggest that the shells swept up by the early HI"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.17455","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/2410.17455/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":"2410.17455","created_at":"2026-07-05T09:24:22.865640+00:00"},{"alias_kind":"arxiv_version","alias_value":"2410.17455v1","created_at":"2026-07-05T09:24:22.865640+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.17455","created_at":"2026-07-05T09:24:22.865640+00:00"},{"alias_kind":"pith_short_12","alias_value":"TYWPVLQB3AAH","created_at":"2026-07-05T09:24:22.865640+00:00"},{"alias_kind":"pith_short_16","alias_value":"TYWPVLQB3AAHULZY","created_at":"2026-07-05T09:24:22.865640+00:00"},{"alias_kind":"pith_short_8","alias_value":"TYWPVLQB","created_at":"2026-07-05T09:24:22.865640+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/TYWPVLQB3AAHULZYBUB5W7LS24","json":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24.json","graph_json":"https://pith.science/api/pith-number/TYWPVLQB3AAHULZYBUB5W7LS24/graph.json","events_json":"https://pith.science/api/pith-number/TYWPVLQB3AAHULZYBUB5W7LS24/events.json","paper":"https://pith.science/paper/TYWPVLQB"},"agent_actions":{"view_html":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24","download_json":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24.json","view_paper":"https://pith.science/paper/TYWPVLQB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2410.17455&json=true","fetch_graph":"https://pith.science/api/pith-number/TYWPVLQB3AAHULZYBUB5W7LS24/graph.json","fetch_events":"https://pith.science/api/pith-number/TYWPVLQB3AAHULZYBUB5W7LS24/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24/action/storage_attestation","attest_author":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24/action/author_attestation","sign_citation":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24/action/citation_signature","submit_replication":"https://pith.science/pith/TYWPVLQB3AAHULZYBUB5W7LS24/action/replication_record"}},"created_at":"2026-07-05T09:24:22.865640+00:00","updated_at":"2026-07-05T09:24:22.865640+00:00"}