{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:55HR57E3VVEL5YFMVQEHYNMRS6","short_pith_number":"pith:55HR57E3","schema_version":"1.0","canonical_sha256":"ef4f1efc9bad48bee0acac087c359197a8737a2d7cc5ddc3fc486a3535ee9cda","source":{"kind":"arxiv","id":"2107.11389","version":1},"attestation_state":"computed","paper":{"title":"Planet formation in stellar binaries: Global simulations of planetesimal growth","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Kedron Silsbee, Roman R. Rafikov","submitted_at":"2021-07-23T18:00:02Z","abstract_excerpt":"Planet formation around one component of a tight, eccentric binary system such as $\\gamma$ Cephei (with semimajor axis around 20 AU) is theoretically challenging because of destructive high-velocity collisions between planetesimals. Despite this fragmentation barrier, planets are known to exist in such orbital configurations. Here we present a novel numerical framework for carrying out multi-annulus coagulation-fragmentation calculations of planetesimal growth, which fully accounts for the specifics of planetesimal dynamics in binaries, details of planetesimal collision outcomes, and the radia"},"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":"2107.11389","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-07-23T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"740686653e4a1c4e1d9e8f9aab39e02f66191d9d117d87ecb2ba7ea0d3b8e1eb","abstract_canon_sha256":"7638065301cae071c884a83031dcf20853abed21860c83ef0afe9b6d679d13bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:06:33.140352Z","signature_b64":"cxh09e+tVgcvygeDZ8/2P796O4HIS+n+Hp5QluGMhnFD9QsB0j1c4gyfGd7gCCXOeZqeyt5kCix9QMs/c+j/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef4f1efc9bad48bee0acac087c359197a8737a2d7cc5ddc3fc486a3535ee9cda","last_reissued_at":"2026-07-05T03:06:33.139928Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:06:33.139928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Planet formation in stellar binaries: Global simulations of planetesimal growth","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Kedron Silsbee, Roman R. Rafikov","submitted_at":"2021-07-23T18:00:02Z","abstract_excerpt":"Planet formation around one component of a tight, eccentric binary system such as $\\gamma$ Cephei (with semimajor axis around 20 AU) is theoretically challenging because of destructive high-velocity collisions between planetesimals. Despite this fragmentation barrier, planets are known to exist in such orbital configurations. Here we present a novel numerical framework for carrying out multi-annulus coagulation-fragmentation calculations of planetesimal growth, which fully accounts for the specifics of planetesimal dynamics in binaries, details of planetesimal collision outcomes, and the radia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.11389","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/2107.11389/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":"2107.11389","created_at":"2026-07-05T03:06:33.139981+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.11389v1","created_at":"2026-07-05T03:06:33.139981+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.11389","created_at":"2026-07-05T03:06:33.139981+00:00"},{"alias_kind":"pith_short_12","alias_value":"55HR57E3VVEL","created_at":"2026-07-05T03:06:33.139981+00:00"},{"alias_kind":"pith_short_16","alias_value":"55HR57E3VVEL5YFM","created_at":"2026-07-05T03:06:33.139981+00:00"},{"alias_kind":"pith_short_8","alias_value":"55HR57E3","created_at":"2026-07-05T03:06:33.139981+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/55HR57E3VVEL5YFMVQEHYNMRS6","json":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6.json","graph_json":"https://pith.science/api/pith-number/55HR57E3VVEL5YFMVQEHYNMRS6/graph.json","events_json":"https://pith.science/api/pith-number/55HR57E3VVEL5YFMVQEHYNMRS6/events.json","paper":"https://pith.science/paper/55HR57E3"},"agent_actions":{"view_html":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6","download_json":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6.json","view_paper":"https://pith.science/paper/55HR57E3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.11389&json=true","fetch_graph":"https://pith.science/api/pith-number/55HR57E3VVEL5YFMVQEHYNMRS6/graph.json","fetch_events":"https://pith.science/api/pith-number/55HR57E3VVEL5YFMVQEHYNMRS6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6/action/storage_attestation","attest_author":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6/action/author_attestation","sign_citation":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6/action/citation_signature","submit_replication":"https://pith.science/pith/55HR57E3VVEL5YFMVQEHYNMRS6/action/replication_record"}},"created_at":"2026-07-05T03:06:33.139981+00:00","updated_at":"2026-07-05T03:06:33.139981+00:00"}