{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:F2LHGEXH6SHOSCHRRNNVW3W2ZP","short_pith_number":"pith:F2LHGEXH","schema_version":"1.0","canonical_sha256":"2e967312e7f48ee908f18b5b5b6edacbe4493892950fd70c07d23a2cf8a46568","source":{"kind":"arxiv","id":"1009.4580","version":2},"attestation_state":"computed","paper":{"title":"Accuracy of core mass estimates in simulated observations of dust emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D. C. Collins, J. Malinen, M. Juvela, P. Padoan, T. Lunttila","submitted_at":"2010-09-23T11:25:38Z","abstract_excerpt":"We study the reliability of mass estimates obtained for molecular cloud cores using sub-millimetre and infrared dust emission. We use magnetohydrodynamic simulations and radiative transfer to produce synthetic observations with spatial resolution and noise levels typical of Herschel surveys. We estimate dust colour temperatures using different pairs of intensities, calculate column densities and compare the estimated masses with the true values. We compare these results to the case when all five Herschel wavelengths are available. We investigate the effects of spatial variations of dust proper"},"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":"1009.4580","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-09-23T11:25:38Z","cross_cats_sorted":[],"title_canon_sha256":"ef6358f069f4e7d9f53c8bf8d3068de44166fdb747f6b573e68c23e566360c88","abstract_canon_sha256":"b508e90bad0eab20db149bd8b45f9c930de3501fee7848a5d531bb5b1b3e14c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:18.195107Z","signature_b64":"V+EMVc+B12aVDsh1f7Vg0fc8tlLzvse6tqz4PqNN/JjeEGagtnzIxDd3OdM8c6cv+iS+jVxEPb7bUI+5yGKtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e967312e7f48ee908f18b5b5b6edacbe4493892950fd70c07d23a2cf8a46568","last_reissued_at":"2026-05-18T02:05:18.194363Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:18.194363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accuracy of core mass estimates in simulated observations of dust emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D. C. Collins, J. Malinen, M. Juvela, P. Padoan, T. Lunttila","submitted_at":"2010-09-23T11:25:38Z","abstract_excerpt":"We study the reliability of mass estimates obtained for molecular cloud cores using sub-millimetre and infrared dust emission. We use magnetohydrodynamic simulations and radiative transfer to produce synthetic observations with spatial resolution and noise levels typical of Herschel surveys. We estimate dust colour temperatures using different pairs of intensities, calculate column densities and compare the estimated masses with the true values. We compare these results to the case when all five Herschel wavelengths are available. We investigate the effects of spatial variations of dust proper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4580","kind":"arxiv","version":2},"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":"1009.4580","created_at":"2026-05-18T02:05:18.194464+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.4580v2","created_at":"2026-05-18T02:05:18.194464+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4580","created_at":"2026-05-18T02:05:18.194464+00:00"},{"alias_kind":"pith_short_12","alias_value":"F2LHGEXH6SHO","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_16","alias_value":"F2LHGEXH6SHOSCHR","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_8","alias_value":"F2LHGEXH","created_at":"2026-05-18T12:26:06.534383+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/F2LHGEXH6SHOSCHRRNNVW3W2ZP","json":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP.json","graph_json":"https://pith.science/api/pith-number/F2LHGEXH6SHOSCHRRNNVW3W2ZP/graph.json","events_json":"https://pith.science/api/pith-number/F2LHGEXH6SHOSCHRRNNVW3W2ZP/events.json","paper":"https://pith.science/paper/F2LHGEXH"},"agent_actions":{"view_html":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP","download_json":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP.json","view_paper":"https://pith.science/paper/F2LHGEXH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.4580&json=true","fetch_graph":"https://pith.science/api/pith-number/F2LHGEXH6SHOSCHRRNNVW3W2ZP/graph.json","fetch_events":"https://pith.science/api/pith-number/F2LHGEXH6SHOSCHRRNNVW3W2ZP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP/action/storage_attestation","attest_author":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP/action/author_attestation","sign_citation":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP/action/citation_signature","submit_replication":"https://pith.science/pith/F2LHGEXH6SHOSCHRRNNVW3W2ZP/action/replication_record"}},"created_at":"2026-05-18T02:05:18.194464+00:00","updated_at":"2026-05-18T02:05:18.194464+00:00"}