{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:I6KIVALSOSLMJZRILSDJXITHLM","short_pith_number":"pith:I6KIVALS","schema_version":"1.0","canonical_sha256":"47948a81727496c4e6285c869ba2675b0e4d5107573b17271e3d53a6b55904ba","source":{"kind":"arxiv","id":"1602.06927","version":1},"attestation_state":"computed","paper":{"title":"Far-infrared/sub-millimetre properties of pre-stellar cores L1521E, L1521F and L1689B as revealed by the Herschel SPIRE instrument -- I. Central positions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Alain Abergel, David A. Naylor, Derek Ward-Thompson, Gibion Makiwa, Jason Kirk, Matthijs van der Wiel, Melanie Koehler, Stewart Eyres","submitted_at":"2016-02-22T20:30:15Z","abstract_excerpt":"Dust grains play a key role in the physics of star-forming regions, even though they constitute only $\\sim$1 % of the mass of the interstellar medium. The derivation of accurate dust parameters such as temperature ($T_{dust}$), emissivity spectral index ($\\beta$) and column density requires broadband continuum observations at far-infrared wavelengths. We present Herschel-SPIRE Fourier Transform Spectrometer (FTS) measurements of three starless cores: L1521E, L1521F and L1689B, covering wavelengths between 194 and 671 $\\mu$m. This paper is the first to use our recently updated SPIRE-FTS intensi"},"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":"1602.06927","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-22T20:30:15Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"c08efb8f9f201514c32a31977ef009a2b43d64bb4de04431ca02a1f1abda2090","abstract_canon_sha256":"fd0d66183b8ec841adcba812f558002d31785a5272b50d6503126453db5f583c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:24.087489Z","signature_b64":"WEJ2abmkwuI3rMYEVqdQYPjhMuStdo+k5Qf2K7DikDuQDSMeS+lnfl5rNxe9uc94pGFPHw8j7xxnPDXkpsdBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47948a81727496c4e6285c869ba2675b0e4d5107573b17271e3d53a6b55904ba","last_reissued_at":"2026-05-18T01:19:24.086799Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:24.086799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Far-infrared/sub-millimetre properties of pre-stellar cores L1521E, L1521F and L1689B as revealed by the Herschel SPIRE instrument -- I. Central positions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Alain Abergel, David A. Naylor, Derek Ward-Thompson, Gibion Makiwa, Jason Kirk, Matthijs van der Wiel, Melanie Koehler, Stewart Eyres","submitted_at":"2016-02-22T20:30:15Z","abstract_excerpt":"Dust grains play a key role in the physics of star-forming regions, even though they constitute only $\\sim$1 % of the mass of the interstellar medium. The derivation of accurate dust parameters such as temperature ($T_{dust}$), emissivity spectral index ($\\beta$) and column density requires broadband continuum observations at far-infrared wavelengths. We present Herschel-SPIRE Fourier Transform Spectrometer (FTS) measurements of three starless cores: L1521E, L1521F and L1689B, covering wavelengths between 194 and 671 $\\mu$m. This paper is the first to use our recently updated SPIRE-FTS intensi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06927","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":"1602.06927","created_at":"2026-05-18T01:19:24.086911+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.06927v1","created_at":"2026-05-18T01:19:24.086911+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06927","created_at":"2026-05-18T01:19:24.086911+00:00"},{"alias_kind":"pith_short_12","alias_value":"I6KIVALSOSLM","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"I6KIVALSOSLMJZRI","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"I6KIVALS","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/I6KIVALSOSLMJZRILSDJXITHLM","json":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM.json","graph_json":"https://pith.science/api/pith-number/I6KIVALSOSLMJZRILSDJXITHLM/graph.json","events_json":"https://pith.science/api/pith-number/I6KIVALSOSLMJZRILSDJXITHLM/events.json","paper":"https://pith.science/paper/I6KIVALS"},"agent_actions":{"view_html":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM","download_json":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM.json","view_paper":"https://pith.science/paper/I6KIVALS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.06927&json=true","fetch_graph":"https://pith.science/api/pith-number/I6KIVALSOSLMJZRILSDJXITHLM/graph.json","fetch_events":"https://pith.science/api/pith-number/I6KIVALSOSLMJZRILSDJXITHLM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM/action/storage_attestation","attest_author":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM/action/author_attestation","sign_citation":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM/action/citation_signature","submit_replication":"https://pith.science/pith/I6KIVALSOSLMJZRILSDJXITHLM/action/replication_record"}},"created_at":"2026-05-18T01:19:24.086911+00:00","updated_at":"2026-05-18T01:19:24.086911+00:00"}