{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:KVTMJXLDEZOCJIV6YCHZ7MRRL7","short_pith_number":"pith:KVTMJXLD","schema_version":"1.0","canonical_sha256":"5566c4dd63265c24a2bec08f9fb2315fc46b8db0c15dfb204435b87a1dd6a07e","source":{"kind":"arxiv","id":"0910.1034","version":1},"attestation_state":"computed","paper":{"title":"Dense and warm molecular gas in the envelopes and outflows of southern low-mass protostars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"CfA Harvard), E.F. van Dishoeck (Leiden, MPE), M.R. Hogerheijde (Leiden), R.Guesten (MPIfR Bonn), T.A. van Kempen (Leiden","submitted_at":"2009-10-06T15:17:53Z","abstract_excerpt":"Observations of dense molecular gas lie at the basis of our understanding of the density and temperature structure of protostellar envelopes and molecular outflows. We aim to characterize the properties of the protostellar envelope, molecular outflow and surrounding cloud, through observations of high excitation molecular lines within a sample of 16 southern sources presumed to be embedded YSOs. Observations of submillimeter lines of CO, HCO+ and their isotopologues, both single spectra and small maps were taken with the FLASH and APEX-2a instruments mounted on APEX to trace the gas around the"},"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":"0910.1034","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-10-06T15:17:53Z","cross_cats_sorted":[],"title_canon_sha256":"058a1dc3da04539d37cd24aa3066d8c910e049e0c5bf0e66d7284d9a9ee5b3b3","abstract_canon_sha256":"40543f10034277906b8e3047e89a89d84b52123e09d2f38a2f9a965259b246b7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:26.220213Z","signature_b64":"lBTU2MRqM3hxamclDfdlKaLIoNOUCp7Ah7T+cfeWHSD2EOCciT6E7X6TjKep021Y5nPug9Okacwjo5c7+udvBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5566c4dd63265c24a2bec08f9fb2315fc46b8db0c15dfb204435b87a1dd6a07e","last_reissued_at":"2026-05-18T02:11:26.219594Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:26.219594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dense and warm molecular gas in the envelopes and outflows of southern low-mass protostars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"CfA Harvard), E.F. van Dishoeck (Leiden, MPE), M.R. Hogerheijde (Leiden), R.Guesten (MPIfR Bonn), T.A. van Kempen (Leiden","submitted_at":"2009-10-06T15:17:53Z","abstract_excerpt":"Observations of dense molecular gas lie at the basis of our understanding of the density and temperature structure of protostellar envelopes and molecular outflows. We aim to characterize the properties of the protostellar envelope, molecular outflow and surrounding cloud, through observations of high excitation molecular lines within a sample of 16 southern sources presumed to be embedded YSOs. Observations of submillimeter lines of CO, HCO+ and their isotopologues, both single spectra and small maps were taken with the FLASH and APEX-2a instruments mounted on APEX to trace the gas around the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1034","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":"0910.1034","created_at":"2026-05-18T02:11:26.219693+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.1034v1","created_at":"2026-05-18T02:11:26.219693+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1034","created_at":"2026-05-18T02:11:26.219693+00:00"},{"alias_kind":"pith_short_12","alias_value":"KVTMJXLDEZOC","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"KVTMJXLDEZOCJIV6","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"KVTMJXLD","created_at":"2026-05-18T12:26:00.592388+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/KVTMJXLDEZOCJIV6YCHZ7MRRL7","json":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7.json","graph_json":"https://pith.science/api/pith-number/KVTMJXLDEZOCJIV6YCHZ7MRRL7/graph.json","events_json":"https://pith.science/api/pith-number/KVTMJXLDEZOCJIV6YCHZ7MRRL7/events.json","paper":"https://pith.science/paper/KVTMJXLD"},"agent_actions":{"view_html":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7","download_json":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7.json","view_paper":"https://pith.science/paper/KVTMJXLD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.1034&json=true","fetch_graph":"https://pith.science/api/pith-number/KVTMJXLDEZOCJIV6YCHZ7MRRL7/graph.json","fetch_events":"https://pith.science/api/pith-number/KVTMJXLDEZOCJIV6YCHZ7MRRL7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7/action/storage_attestation","attest_author":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7/action/author_attestation","sign_citation":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7/action/citation_signature","submit_replication":"https://pith.science/pith/KVTMJXLDEZOCJIV6YCHZ7MRRL7/action/replication_record"}},"created_at":"2026-05-18T02:11:26.219693+00:00","updated_at":"2026-05-18T02:11:26.219693+00:00"}