{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:Q7VJ5GGUGIUTYKVFGG3OCCBL7D","short_pith_number":"pith:Q7VJ5GGU","schema_version":"1.0","canonical_sha256":"87ea9e98d432293c2aa531b6e1082bf8f0f3bf2b67ed5967fefb8c1deeee5903","source":{"kind":"arxiv","id":"1711.01417","version":3},"attestation_state":"computed","paper":{"title":"On the fragmentation of filaments in a molecular cloud simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"J. C. Ib\\`a\\~nez-Mej\\'ia, J. Kainulainen, M.-M. Mac Low, R.-A. Chira, Th. Henning","submitted_at":"2017-11-04T09:18:21Z","abstract_excerpt":"The fragmentation of filaments in molecular clouds has attracted a lot of attention as there seems to be a relation between the evolution of filaments and star formation. The study of the fragmentation process has been motivated by simple analytical models. However, only a few comprehensive studies have analysed the evolution of filaments using numerical simulations where the filaments form self-consistently as part of molecular clouds. We address the early evolution of pc-scale filaments that form within individual clouds. We focus on three questions: How do the line masses of filaments evolv"},"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":"1711.01417","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-04T09:18:21Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"1256ff3db87389e6a30b0c97daf40bca52e46538cf3d04f84c3f9170cb64c569","abstract_canon_sha256":"2125b3335708a15ab12864cb9fc0eb0d95a6a4320b25e30767f282e388f4435c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:54.304493Z","signature_b64":"0lhwdudWkf7VdlBqvPc3a7E77ekUxr2gF+Cp0F5tVkygsn2zyve50GWYf2X6pRnTyBItmjiqgMhr7glx/mlQBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87ea9e98d432293c2aa531b6e1082bf8f0f3bf2b67ed5967fefb8c1deeee5903","last_reissued_at":"2026-05-18T00:21:54.303744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:54.303744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the fragmentation of filaments in a molecular cloud simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"J. C. Ib\\`a\\~nez-Mej\\'ia, J. Kainulainen, M.-M. Mac Low, R.-A. Chira, Th. Henning","submitted_at":"2017-11-04T09:18:21Z","abstract_excerpt":"The fragmentation of filaments in molecular clouds has attracted a lot of attention as there seems to be a relation between the evolution of filaments and star formation. The study of the fragmentation process has been motivated by simple analytical models. However, only a few comprehensive studies have analysed the evolution of filaments using numerical simulations where the filaments form self-consistently as part of molecular clouds. We address the early evolution of pc-scale filaments that form within individual clouds. We focus on three questions: How do the line masses of filaments evolv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.01417","kind":"arxiv","version":3},"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":"1711.01417","created_at":"2026-05-18T00:21:54.303856+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.01417v3","created_at":"2026-05-18T00:21:54.303856+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.01417","created_at":"2026-05-18T00:21:54.303856+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q7VJ5GGUGIUT","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q7VJ5GGUGIUTYKVF","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q7VJ5GGU","created_at":"2026-05-18T12:31:37.085036+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/Q7VJ5GGUGIUTYKVFGG3OCCBL7D","json":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D.json","graph_json":"https://pith.science/api/pith-number/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/graph.json","events_json":"https://pith.science/api/pith-number/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/events.json","paper":"https://pith.science/paper/Q7VJ5GGU"},"agent_actions":{"view_html":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D","download_json":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D.json","view_paper":"https://pith.science/paper/Q7VJ5GGU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.01417&json=true","fetch_graph":"https://pith.science/api/pith-number/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/graph.json","fetch_events":"https://pith.science/api/pith-number/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/action/storage_attestation","attest_author":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/action/author_attestation","sign_citation":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/action/citation_signature","submit_replication":"https://pith.science/pith/Q7VJ5GGUGIUTYKVFGG3OCCBL7D/action/replication_record"}},"created_at":"2026-05-18T00:21:54.303856+00:00","updated_at":"2026-05-18T00:21:54.303856+00:00"}