{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4ZIH5OWH3MJAFSU554YUWIZ77N","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fb0b26b9d314d47e6497eba758b91b59cf8086a83e6c973dde54d18585feaa46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T20:00:02Z","title_canon_sha256":"4fad6542cee8bb20c837e54c2d02a8d1db74823166e085343f50e7f9e24c4ddb"},"schema_version":"1.0","source":{"id":"1306.0566","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0566","created_at":"2026-05-18T03:21:54Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0566v1","created_at":"2026-05-18T03:21:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0566","created_at":"2026-05-18T03:21:54Z"},{"alias_kind":"pith_short_12","alias_value":"4ZIH5OWH3MJA","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4ZIH5OWH3MJAFSU5","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4ZIH5OWH","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:9df340598832ef5cbe11bbb60dd309bf17f0dd4788d097f54863d7c1cfbfdae6","target":"graph","created_at":"2026-05-18T03:21:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The NASA Kepler mission has revealed an abundant class of Systems with Tightly-packed Inner Planets (STIPs). The current paradigm for planet formation suggests that small planetesimals will quickly spiral into the host star due to aerodynamic drag, preventing rocky planet formation. In contrast, we find that aerodynamic drift, when acting on an ensemble of solids, can concentrate mass at short orbital periods in gaseous disks. Sublimation fronts may further aid this process. Kepler data suggest that the innermost known planets are found near the silicate sublimation zone. STIP planets should h","authors_text":"Aaron C. Boley, Eric B. Ford","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T20:00:02Z","title":"The Formation of Systems with Tightly-packed Inner Planets (STIPs) via Aerodynamic Drift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0566","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:94d72daaab1326838772e29470878fb397157d1f8f22383f2aaea3cffcccfd12","target":"record","created_at":"2026-05-18T03:21:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fb0b26b9d314d47e6497eba758b91b59cf8086a83e6c973dde54d18585feaa46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T20:00:02Z","title_canon_sha256":"4fad6542cee8bb20c837e54c2d02a8d1db74823166e085343f50e7f9e24c4ddb"},"schema_version":"1.0","source":{"id":"1306.0566","kind":"arxiv","version":1}},"canonical_sha256":"e6507ebac7db1202ca9def314b233ffb56f2031e7a98c9621320bafb9c2ed50c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6507ebac7db1202ca9def314b233ffb56f2031e7a98c9621320bafb9c2ed50c","first_computed_at":"2026-05-18T03:21:54.592435Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:21:54.592435Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1v8uGKAQhks7X6i/BaGxXIyEkNNxVUEHNCo87pl8TmlTJpUFDPBDD0X84fzfJ/ZmkMpyh590azgKCH8Owcw0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:21:54.592902Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0566","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94d72daaab1326838772e29470878fb397157d1f8f22383f2aaea3cffcccfd12","sha256:9df340598832ef5cbe11bbb60dd309bf17f0dd4788d097f54863d7c1cfbfdae6"],"state_sha256":"3eac7a1070dd20b76f82c33d4c6deea8d7cd7c176b44788c63233ccb28aec2c8"}