{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:TSUHTOQ3POANMURQK6PDDRHFZ5","short_pith_number":"pith:TSUHTOQ3","schema_version":"1.0","canonical_sha256":"9ca879ba1b7b80d65230579e31c4e5cf612f4e915dbea5e1063a1df84e446338","source":{"kind":"arxiv","id":"astro-ph/0610075","version":1},"attestation_state":"computed","paper":{"title":"Midplane sedimentation of large solid bodies in turbulent protoplanetary discs","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.Carballido, J.Papaloizou, S.Fromang","submitted_at":"2006-10-03T14:07:47Z","abstract_excerpt":"We study the vertical settling of solid bodies in a turbulent protoplanetary disc. We consider the situation when the coupling to the gas is weak or equivalently when the particle stopping time tau_{st} due to friction with the gas is long compared to the orbital timescale Omega^{-1}. An analytical model, which takes into account the stochastic nature of the sedimentation process using a Fokker-Planck equation for the particle distribution function in phase space, is used to obtain the vertical scale height of the solid layer as a function of the vertical component of the turbulent gas velocit"},"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":"astro-ph/0610075","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-10-03T14:07:47Z","cross_cats_sorted":[],"title_canon_sha256":"8480d3949599162c7193ae7755f784c0d655aa4216157b546414e1a2736dab3f","abstract_canon_sha256":"10731c4953a20324335027a8a7c29661dfb26f037e1d9b85c6e901e97744f037"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:59:29.360883Z","signature_b64":"6FBxeW6OrsPxp7D3LApZuvm0fCK6qnd2OyK4nh3cu7Zba9vKaw7fbhprbzeHCDnLp2RtTajr7UYAx/znHQ4gDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ca879ba1b7b80d65230579e31c4e5cf612f4e915dbea5e1063a1df84e446338","last_reissued_at":"2026-07-04T16:59:29.360413Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:59:29.360413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Midplane sedimentation of large solid bodies in turbulent protoplanetary discs","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.Carballido, J.Papaloizou, S.Fromang","submitted_at":"2006-10-03T14:07:47Z","abstract_excerpt":"We study the vertical settling of solid bodies in a turbulent protoplanetary disc. We consider the situation when the coupling to the gas is weak or equivalently when the particle stopping time tau_{st} due to friction with the gas is long compared to the orbital timescale Omega^{-1}. An analytical model, which takes into account the stochastic nature of the sedimentation process using a Fokker-Planck equation for the particle distribution function in phase space, is used to obtain the vertical scale height of the solid layer as a function of the vertical component of the turbulent gas velocit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0610075","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/astro-ph/0610075/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":"astro-ph/0610075","created_at":"2026-07-04T16:59:29.360471+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0610075v1","created_at":"2026-07-04T16:59:29.360471+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0610075","created_at":"2026-07-04T16:59:29.360471+00:00"},{"alias_kind":"pith_short_12","alias_value":"TSUHTOQ3POAN","created_at":"2026-07-04T16:59:29.360471+00:00"},{"alias_kind":"pith_short_16","alias_value":"TSUHTOQ3POANMURQ","created_at":"2026-07-04T16:59:29.360471+00:00"},{"alias_kind":"pith_short_8","alias_value":"TSUHTOQ3","created_at":"2026-07-04T16:59:29.360471+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2411.12462","citing_title":"Developing a Non-Newtonian Fluid Model for Dust, for Application to Astrophysical Flows","ref_index":18,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5","json":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5.json","graph_json":"https://pith.science/api/pith-number/TSUHTOQ3POANMURQK6PDDRHFZ5/graph.json","events_json":"https://pith.science/api/pith-number/TSUHTOQ3POANMURQK6PDDRHFZ5/events.json","paper":"https://pith.science/paper/TSUHTOQ3"},"agent_actions":{"view_html":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5","download_json":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5.json","view_paper":"https://pith.science/paper/TSUHTOQ3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0610075&json=true","fetch_graph":"https://pith.science/api/pith-number/TSUHTOQ3POANMURQK6PDDRHFZ5/graph.json","fetch_events":"https://pith.science/api/pith-number/TSUHTOQ3POANMURQK6PDDRHFZ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5/action/storage_attestation","attest_author":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5/action/author_attestation","sign_citation":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5/action/citation_signature","submit_replication":"https://pith.science/pith/TSUHTOQ3POANMURQK6PDDRHFZ5/action/replication_record"}},"created_at":"2026-07-04T16:59:29.360471+00:00","updated_at":"2026-07-04T16:59:29.360471+00:00"}