{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:KTPPSGLEZXIIAWZG65MZ7FU6S7","short_pith_number":"pith:KTPPSGLE","schema_version":"1.0","canonical_sha256":"54def91964cdd0805b26f7599f969e97f438aa10273655cdfe76190698e4721b","source":{"kind":"arxiv","id":"1106.1885","version":1},"attestation_state":"computed","paper":{"title":"The initial conditions of isolated star formation - X. A suggested evolutionary diagram for prestellar cores","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. P. Whitworth, D. Johnstone, D. Nutter, D. Ward-Thompson, R. J. Simpson","submitted_at":"2011-06-09T19:22:31Z","abstract_excerpt":"We propose an evolutionary path for prestellar cores on the radius-mass diagram, which is analogous to stellar evolutionary paths on the Hertzsprung-Russell Diagram. Using James Clerk Maxwell Telescope (JCMT) observations of L1688 in the Ophiuchus star-forming complex, we analyse the HCO+ (J=4\\rightarrow3) spectral line profiles of prestellar cores. We find that of the 58 cores observed, 14 show signs of infall in the form of a blue-asymmetric double-peaked line profile. These 14 cores all lie beyond the Jeans mass line for the region on a radius-mass plot. Furthermore another 10 cores showing"},"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":"1106.1885","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-06-09T19:22:31Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"269a194d7359981871975cddadc4424b50cebe5c2edbf0958c5dd5a7b6d2f04a","abstract_canon_sha256":"3e1b7b1430957cb9aef6d748441801e2069eb45eb89f1235730aad85381e3d48"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:40.262163Z","signature_b64":"wXrLxSKK7sT2U0I/64eGMLR22HVb7wvdk+5G/b6tQgOjul6NYcSA7IlCgmesvn/5hlXWmC50C1acp2OxA4ZJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54def91964cdd0805b26f7599f969e97f438aa10273655cdfe76190698e4721b","last_reissued_at":"2026-05-18T02:01:40.261730Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:40.261730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The initial conditions of isolated star formation - X. A suggested evolutionary diagram for prestellar cores","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. P. Whitworth, D. Johnstone, D. Nutter, D. Ward-Thompson, R. J. Simpson","submitted_at":"2011-06-09T19:22:31Z","abstract_excerpt":"We propose an evolutionary path for prestellar cores on the radius-mass diagram, which is analogous to stellar evolutionary paths on the Hertzsprung-Russell Diagram. Using James Clerk Maxwell Telescope (JCMT) observations of L1688 in the Ophiuchus star-forming complex, we analyse the HCO+ (J=4\\rightarrow3) spectral line profiles of prestellar cores. We find that of the 58 cores observed, 14 show signs of infall in the form of a blue-asymmetric double-peaked line profile. These 14 cores all lie beyond the Jeans mass line for the region on a radius-mass plot. Furthermore another 10 cores showing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1885","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":"1106.1885","created_at":"2026-05-18T02:01:40.261791+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.1885v1","created_at":"2026-05-18T02:01:40.261791+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1885","created_at":"2026-05-18T02:01:40.261791+00:00"},{"alias_kind":"pith_short_12","alias_value":"KTPPSGLEZXII","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"KTPPSGLEZXIIAWZG","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"KTPPSGLE","created_at":"2026-05-18T12:26:34.985390+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/KTPPSGLEZXIIAWZG65MZ7FU6S7","json":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7.json","graph_json":"https://pith.science/api/pith-number/KTPPSGLEZXIIAWZG65MZ7FU6S7/graph.json","events_json":"https://pith.science/api/pith-number/KTPPSGLEZXIIAWZG65MZ7FU6S7/events.json","paper":"https://pith.science/paper/KTPPSGLE"},"agent_actions":{"view_html":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7","download_json":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7.json","view_paper":"https://pith.science/paper/KTPPSGLE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.1885&json=true","fetch_graph":"https://pith.science/api/pith-number/KTPPSGLEZXIIAWZG65MZ7FU6S7/graph.json","fetch_events":"https://pith.science/api/pith-number/KTPPSGLEZXIIAWZG65MZ7FU6S7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7/action/storage_attestation","attest_author":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7/action/author_attestation","sign_citation":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7/action/citation_signature","submit_replication":"https://pith.science/pith/KTPPSGLEZXIIAWZG65MZ7FU6S7/action/replication_record"}},"created_at":"2026-05-18T02:01:40.261791+00:00","updated_at":"2026-05-18T02:01:40.261791+00:00"}