{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:KIUVV75PBKQURPRPAEBAKKT7PG","short_pith_number":"pith:KIUVV75P","schema_version":"1.0","canonical_sha256":"52295affaf0aa148be2f0102052a7f79ae89d3bb554ab6ea27d7104258df4154","source":{"kind":"arxiv","id":"2204.13310","version":1},"attestation_state":"computed","paper":{"title":"Direct Formation of Planetary Embryos in Self-Gravitating Disks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Chao-Chin Yang, Hans Baehr, Zhaohuan Zhu","submitted_at":"2022-04-28T07:10:32Z","abstract_excerpt":"Giant planets have been discovered at large separations from the central star. Moreover, a striking number of young circumstellar disks have gas and/or dust gaps at large orbital separations, potentially driven by embedded planetary objects. To form massive planets at large orbital separations through core accretion within disk lifetime, however, an early solid body to seed pebble and gas accretion is desirable. Young protoplanetary disks are likely self-gravitating, and these gravitoturbulent disks may efficiently concentrate solid material at the midplane driven by spiral waves. We run 3D lo"},"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":"2204.13310","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-04-28T07:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"113ee0d59afe36d301f3ca9ca5e5155e8736bc5ae03016a6c270bfe99c8d1fee","abstract_canon_sha256":"7c572d5465b8cc220f3d07d451ed7b7800fc266b5c28eedc38ad264d9264bcfe"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:38:14.697605Z","signature_b64":"pl3Epky/SL9oSk84PevHTwjJpafQ8FTG+YaO2mev0PSfSJ7UVGYnQTUiC6uiU4eZVUFF59eOhuASEsleko3qCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52295affaf0aa148be2f0102052a7f79ae89d3bb554ab6ea27d7104258df4154","last_reissued_at":"2026-07-05T04:38:14.697270Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:38:14.697270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Formation of Planetary Embryos in Self-Gravitating Disks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Chao-Chin Yang, Hans Baehr, Zhaohuan Zhu","submitted_at":"2022-04-28T07:10:32Z","abstract_excerpt":"Giant planets have been discovered at large separations from the central star. Moreover, a striking number of young circumstellar disks have gas and/or dust gaps at large orbital separations, potentially driven by embedded planetary objects. To form massive planets at large orbital separations through core accretion within disk lifetime, however, an early solid body to seed pebble and gas accretion is desirable. Young protoplanetary disks are likely self-gravitating, and these gravitoturbulent disks may efficiently concentrate solid material at the midplane driven by spiral waves. We run 3D lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.13310","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/2204.13310/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":"2204.13310","created_at":"2026-07-05T04:38:14.697324+00:00"},{"alias_kind":"arxiv_version","alias_value":"2204.13310v1","created_at":"2026-07-05T04:38:14.697324+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.13310","created_at":"2026-07-05T04:38:14.697324+00:00"},{"alias_kind":"pith_short_12","alias_value":"KIUVV75PBKQU","created_at":"2026-07-05T04:38:14.697324+00:00"},{"alias_kind":"pith_short_16","alias_value":"KIUVV75PBKQURPRP","created_at":"2026-07-05T04:38:14.697324+00:00"},{"alias_kind":"pith_short_8","alias_value":"KIUVV75P","created_at":"2026-07-05T04:38:14.697324+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/KIUVV75PBKQURPRPAEBAKKT7PG","json":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG.json","graph_json":"https://pith.science/api/pith-number/KIUVV75PBKQURPRPAEBAKKT7PG/graph.json","events_json":"https://pith.science/api/pith-number/KIUVV75PBKQURPRPAEBAKKT7PG/events.json","paper":"https://pith.science/paper/KIUVV75P"},"agent_actions":{"view_html":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG","download_json":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG.json","view_paper":"https://pith.science/paper/KIUVV75P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2204.13310&json=true","fetch_graph":"https://pith.science/api/pith-number/KIUVV75PBKQURPRPAEBAKKT7PG/graph.json","fetch_events":"https://pith.science/api/pith-number/KIUVV75PBKQURPRPAEBAKKT7PG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG/action/storage_attestation","attest_author":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG/action/author_attestation","sign_citation":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG/action/citation_signature","submit_replication":"https://pith.science/pith/KIUVV75PBKQURPRPAEBAKKT7PG/action/replication_record"}},"created_at":"2026-07-05T04:38:14.697324+00:00","updated_at":"2026-07-05T04:38:14.697324+00:00"}