{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PBZTJOPCZ3EUTF7AEJWZZ7YEVY","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":"2c24f7da3125520ce1b4c4b0b9638f3f8b76dda5cfcc27c6bcb016b0a439e95b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-03-06T12:56:33Z","title_canon_sha256":"d3042149f6b22d48647ac9ef3de19c723827343071fe7585b7a547ccbdd90209"},"schema_version":"1.0","source":{"id":"1203.1184","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1184","created_at":"2026-05-18T01:58:14Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1184v2","created_at":"2026-05-18T01:58:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1184","created_at":"2026-05-18T01:58:14Z"},{"alias_kind":"pith_short_12","alias_value":"PBZTJOPCZ3EU","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PBZTJOPCZ3EUTF7A","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PBZTJOPC","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:3485f5be1fe561037358e14a7c425589282ec4a2b3310481df40df3baf8f0d9d","target":"graph","created_at":"2026-05-18T01:58:14Z","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":"As planets form and grow within gaseous protoplanetary disks, the mutual gravitational interaction between the disk and planet leads to the exchange of angular momentum, and migration of the planet. We review current understanding of disk-planet interactions, focussing in particular on physical processes that determine the speed and direction of migration. We describe the evolution of low mass planets embedded in protoplanetary disks, and examine the influence of Lindblad and corotation torques as a function of the disk properties. The role of the disk in causing the evolution of eccentricitie","authors_text":"R.P. Nelson, W. Kley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-03-06T12:56:33Z","title":"Planet-disk interaction and orbital evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1184","kind":"arxiv","version":2},"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:ec845d04d0628e99267bd97532a7d264a5bc79a882962b71b8fd7347299ba685","target":"record","created_at":"2026-05-18T01:58:14Z","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":"2c24f7da3125520ce1b4c4b0b9638f3f8b76dda5cfcc27c6bcb016b0a439e95b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-03-06T12:56:33Z","title_canon_sha256":"d3042149f6b22d48647ac9ef3de19c723827343071fe7585b7a547ccbdd90209"},"schema_version":"1.0","source":{"id":"1203.1184","kind":"arxiv","version":2}},"canonical_sha256":"787334b9e2cec94997e0226d9cff04ae32f3f4bcab9addaded1fad3e159e1b84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"787334b9e2cec94997e0226d9cff04ae32f3f4bcab9addaded1fad3e159e1b84","first_computed_at":"2026-05-18T01:58:14.324127Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:14.324127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H6udGzGwLdeJl7mOzZnJrtTDQSQakFfyDT8x8X2ycqA2iImlmDP+dp+hPTznf7rfMMwC/t2jMplC9gcx4mO1BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:14.324768Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.1184","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec845d04d0628e99267bd97532a7d264a5bc79a882962b71b8fd7347299ba685","sha256:3485f5be1fe561037358e14a7c425589282ec4a2b3310481df40df3baf8f0d9d"],"state_sha256":"cf27f64a691eb69c6a4fed570143a31aa669cd859f8fb228f43e9d6cbc0a2e00"}