{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:G63T5LG4LG464AS7U42NPTAIIS","short_pith_number":"pith:G63T5LG4","schema_version":"1.0","canonical_sha256":"37b73eacdc59b9ee025fa734d7cc0844b9cb3e6f70da42e15100384e108854ec","source":{"kind":"arxiv","id":"2404.16151","version":1},"attestation_state":"computed","paper":{"title":"Primordial dust rings, hidden dust mass, and the first generation of planetesimals in gravitationally unstable protoplanetary disks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"2), (2) Research Institute of Physics, Aleksandr M. Skliarevskii (2), Austria, Department of Astrophysics, Eduard I. Vorobyov (1, Manuel Guedel (3), Rostov-on-Don, Russia), Southern Federal University, Tamara Molyarova (2) ((1) University of Vienna, Vienna","submitted_at":"2024-04-24T19:13:10Z","abstract_excerpt":"Aims. A new mechanism of dust accumulation and planetesimal formation in a gravitationally unstable disk with suppressed magnetorotational instability is studied and compared with the classical dead zone in a layered disk model. Methods. We use numerical hydrodynamics simulations in the thin-disk limit FEOSAD code to model the formation and long-term evolution of gravitationally unstable disks, including dust dynamics and growth. Results. We found that in gravitationally unstable disks with a radially varying strength of gravitational instability a region of low mass and angular momentum trans"},"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":"2404.16151","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-04-24T19:13:10Z","cross_cats_sorted":[],"title_canon_sha256":"08c080a4d7d931760020db27b503c50bd927f351af3e5b5cd8da9a438945356f","abstract_canon_sha256":"4409428bcd6e3ce757638a8dc050388c6752af0ac11c082bc9f4f8324fab06a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:44:37.706439Z","signature_b64":"xNzxXB2o1qiL+1kVKamtfQ4wPsB/Q2bQz+Qq7QHnD+10J0rLs1qQQIOqvTmKI2K97H/pq1BTVQaRKk3zu3kuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37b73eacdc59b9ee025fa734d7cc0844b9cb3e6f70da42e15100384e108854ec","last_reissued_at":"2026-07-05T08:44:37.705878Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:44:37.705878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Primordial dust rings, hidden dust mass, and the first generation of planetesimals in gravitationally unstable protoplanetary disks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"2), (2) Research Institute of Physics, Aleksandr M. Skliarevskii (2), Austria, Department of Astrophysics, Eduard I. Vorobyov (1, Manuel Guedel (3), Rostov-on-Don, Russia), Southern Federal University, Tamara Molyarova (2) ((1) University of Vienna, Vienna","submitted_at":"2024-04-24T19:13:10Z","abstract_excerpt":"Aims. A new mechanism of dust accumulation and planetesimal formation in a gravitationally unstable disk with suppressed magnetorotational instability is studied and compared with the classical dead zone in a layered disk model. Methods. We use numerical hydrodynamics simulations in the thin-disk limit FEOSAD code to model the formation and long-term evolution of gravitationally unstable disks, including dust dynamics and growth. Results. We found that in gravitationally unstable disks with a radially varying strength of gravitational instability a region of low mass and angular momentum trans"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.16151","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.16151/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2404.16151","created_at":"2026-07-05T08:44:37.705936+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.16151v1","created_at":"2026-07-05T08:44:37.705936+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.16151","created_at":"2026-07-05T08:44:37.705936+00:00"},{"alias_kind":"pith_short_12","alias_value":"G63T5LG4LG46","created_at":"2026-07-05T08:44:37.705936+00:00"},{"alias_kind":"pith_short_16","alias_value":"G63T5LG4LG464AS7","created_at":"2026-07-05T08:44:37.705936+00:00"},{"alias_kind":"pith_short_8","alias_value":"G63T5LG4","created_at":"2026-07-05T08:44:37.705936+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2602.13683","citing_title":"Modelling the Break in the Specific Angular Momentum within the Envelope-Disk Transition Zone","ref_index":66,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS","json":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS.json","graph_json":"https://pith.science/api/pith-number/G63T5LG4LG464AS7U42NPTAIIS/graph.json","events_json":"https://pith.science/api/pith-number/G63T5LG4LG464AS7U42NPTAIIS/events.json","paper":"https://pith.science/paper/G63T5LG4"},"agent_actions":{"view_html":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS","download_json":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS.json","view_paper":"https://pith.science/paper/G63T5LG4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.16151&json=true","fetch_graph":"https://pith.science/api/pith-number/G63T5LG4LG464AS7U42NPTAIIS/graph.json","fetch_events":"https://pith.science/api/pith-number/G63T5LG4LG464AS7U42NPTAIIS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS/action/storage_attestation","attest_author":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS/action/author_attestation","sign_citation":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS/action/citation_signature","submit_replication":"https://pith.science/pith/G63T5LG4LG464AS7U42NPTAIIS/action/replication_record"}},"created_at":"2026-07-05T08:44:37.705936+00:00","updated_at":"2026-07-05T08:44:37.705936+00:00"}