{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:OPRK2MPG4M5TBQIR6GYDNHVB32","short_pith_number":"pith:OPRK2MPG","schema_version":"1.0","canonical_sha256":"73e2ad31e6e33b30c111f1b0369ea1de8b5282e0f411f08acd6f3fc9c14be692","source":{"kind":"arxiv","id":"1604.06123","version":1},"attestation_state":"computed","paper":{"title":"Do siblings always form and evolve simultaneously? Testing the coevality of multiple protostellar systems through SEDs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Davide Fedele, Ewine F. van Dishoeck, John J. Tobin, Nadia M. Murillo","submitted_at":"2016-04-20T21:03:34Z","abstract_excerpt":"Multiplicity is common in field stars and among protostellar systems. Models suggest two paths of formation: turbulent fragmentation and protostellar disk fragmentation. We attempt to find whether or not the coevality frequency of multiple protostellar systems can help to better understand their formation mechanism. The coevality frequency is determined by constraining the relative evolutionary stages of the components in a multiple system. SEDs for known multiple protostars in Perseus were constructed from literature data. Herschel PACS photometric maps were used to sample the peak of the SED"},"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":"1604.06123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-04-20T21:03:34Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"0d282a413c609f7ab799c87bea071d4c3638122e39c485cd8913103f7ce9a622","abstract_canon_sha256":"bcf617a9d6bfbed4dd025afd440d271b9193144eecaf894a59ec46da81a70aa6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:24.351576Z","signature_b64":"EzZ9AbFXiCT2bpA2uLiOMbmQGaMxzYfneQmJKB7Z58OGesCFwy907eh0u7gQVgM3rI+qCz4k6wvy3dGPAKJ8Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73e2ad31e6e33b30c111f1b0369ea1de8b5282e0f411f08acd6f3fc9c14be692","last_reissued_at":"2026-05-18T01:10:24.351018Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:24.351018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Do siblings always form and evolve simultaneously? Testing the coevality of multiple protostellar systems through SEDs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Davide Fedele, Ewine F. van Dishoeck, John J. Tobin, Nadia M. Murillo","submitted_at":"2016-04-20T21:03:34Z","abstract_excerpt":"Multiplicity is common in field stars and among protostellar systems. Models suggest two paths of formation: turbulent fragmentation and protostellar disk fragmentation. We attempt to find whether or not the coevality frequency of multiple protostellar systems can help to better understand their formation mechanism. The coevality frequency is determined by constraining the relative evolutionary stages of the components in a multiple system. SEDs for known multiple protostars in Perseus were constructed from literature data. Herschel PACS photometric maps were used to sample the peak of the SED"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.06123","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":"1604.06123","created_at":"2026-05-18T01:10:24.351098+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.06123v1","created_at":"2026-05-18T01:10:24.351098+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.06123","created_at":"2026-05-18T01:10:24.351098+00:00"},{"alias_kind":"pith_short_12","alias_value":"OPRK2MPG4M5T","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"OPRK2MPG4M5TBQIR","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"OPRK2MPG","created_at":"2026-05-18T12:30:36.002864+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2203.10066","citing_title":"The Origin and Evolution of Multiple Star Systems","ref_index":234,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32","json":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32.json","graph_json":"https://pith.science/api/pith-number/OPRK2MPG4M5TBQIR6GYDNHVB32/graph.json","events_json":"https://pith.science/api/pith-number/OPRK2MPG4M5TBQIR6GYDNHVB32/events.json","paper":"https://pith.science/paper/OPRK2MPG"},"agent_actions":{"view_html":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32","download_json":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32.json","view_paper":"https://pith.science/paper/OPRK2MPG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.06123&json=true","fetch_graph":"https://pith.science/api/pith-number/OPRK2MPG4M5TBQIR6GYDNHVB32/graph.json","fetch_events":"https://pith.science/api/pith-number/OPRK2MPG4M5TBQIR6GYDNHVB32/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32/action/storage_attestation","attest_author":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32/action/author_attestation","sign_citation":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32/action/citation_signature","submit_replication":"https://pith.science/pith/OPRK2MPG4M5TBQIR6GYDNHVB32/action/replication_record"}},"created_at":"2026-05-18T01:10:24.351098+00:00","updated_at":"2026-05-18T01:10:24.351098+00:00"}