{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:BII6WPY4TGXMYD3UDFG3MWIGLP","short_pith_number":"pith:BII6WPY4","canonical_record":{"source":{"id":"1006.2135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-06-10T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"276bbce1c0cf701be95ec064ef0c0cbaa34ee3068350593681f574be9be47955","abstract_canon_sha256":"b66542cb8452a561ac39a2f82abb3373348675a5083f3995dfadcaa04ddc0d60"},"schema_version":"1.0"},"canonical_sha256":"0a11eb3f1c99aecc0f74194db659065bece61cacba5cdfb44660f6fe71c005cf","source":{"kind":"arxiv","id":"1006.2135","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2135","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2135v1","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2135","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"BII6WPY4TGXM","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BII6WPY4TGXMYD3U","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BII6WPY4","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:BII6WPY4TGXMYD3UDFG3MWIGLP","target":"record","payload":{"canonical_record":{"source":{"id":"1006.2135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-06-10T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"276bbce1c0cf701be95ec064ef0c0cbaa34ee3068350593681f574be9be47955","abstract_canon_sha256":"b66542cb8452a561ac39a2f82abb3373348675a5083f3995dfadcaa04ddc0d60"},"schema_version":"1.0"},"canonical_sha256":"0a11eb3f1c99aecc0f74194db659065bece61cacba5cdfb44660f6fe71c005cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:54.999223Z","signature_b64":"XWBNXfNQL0eoJjgHr3+jhdYPv03y0ktEdtDQbkeKR8k04vr+4TUvMLvArbz7dStwC7t3Hq97X8OqGddIDjz0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a11eb3f1c99aecc0f74194db659065bece61cacba5cdfb44660f6fe71c005cf","last_reissued_at":"2026-05-18T02:06:54.998585Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:54.998585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.2135","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"82qPKLzCTmTyHzLGQvh2pKgljSSofOhrITjTHme25OOWjCzehkruxH4ocLNaa5LTJi3WZh6Nj7a5j73cLw3hDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:44:26.008717Z"},"content_sha256":"9c7025ebb80d4b595394b41cce9ee4205d8a61ac2261a284bd1101c517dbb835","schema_version":"1.0","event_id":"sha256:9c7025ebb80d4b595394b41cce9ee4205d8a61ac2261a284bd1101c517dbb835"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:BII6WPY4TGXMYD3UDFG3MWIGLP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Planet migration: self-gravitating radiation hydrodynamical models of protoplanets with surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Ben A. Ayliffe, Matthew R. Bate","submitted_at":"2010-06-10T20:00:05Z","abstract_excerpt":"We calculate radial migration rates of protoplanets in laminar minimum mass solar nebula discs using three-dimensional self-gravitating radiation hydrodynamical (RHD) models. The protoplanets are free to migrate, whereupon their migration rates are measured. For low mass protoplanets (10-50 M_\\oplus) we find increases in the migration timescales of up to an order of magnitude between locally-isothermal and RHD models. In the high-mass regime the migration rates are changed very little. These results are arrived at by calculating migration rates in locally-isothermal models, before sequentially"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2135","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QiHYMw+psrUH8bBnz4S873r5GZthaJ5WmavY+kjjgp5DARKSK8yxQ1O3YZiwGmfnx5TJ1CCxe1+W3TDBk3LfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:44:26.009372Z"},"content_sha256":"aff279120e1d2dfb41a9a601920b59fcc09a81adf79068ecf92d264a61ce937d","schema_version":"1.0","event_id":"sha256:aff279120e1d2dfb41a9a601920b59fcc09a81adf79068ecf92d264a61ce937d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BII6WPY4TGXMYD3UDFG3MWIGLP/bundle.json","state_url":"https://pith.science/pith/BII6WPY4TGXMYD3UDFG3MWIGLP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BII6WPY4TGXMYD3UDFG3MWIGLP/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T20:44:26Z","links":{"resolver":"https://pith.science/pith/BII6WPY4TGXMYD3UDFG3MWIGLP","bundle":"https://pith.science/pith/BII6WPY4TGXMYD3UDFG3MWIGLP/bundle.json","state":"https://pith.science/pith/BII6WPY4TGXMYD3UDFG3MWIGLP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BII6WPY4TGXMYD3UDFG3MWIGLP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:BII6WPY4TGXMYD3UDFG3MWIGLP","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":"b66542cb8452a561ac39a2f82abb3373348675a5083f3995dfadcaa04ddc0d60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-06-10T20:00:05Z","title_canon_sha256":"276bbce1c0cf701be95ec064ef0c0cbaa34ee3068350593681f574be9be47955"},"schema_version":"1.0","source":{"id":"1006.2135","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2135","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2135v1","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2135","created_at":"2026-05-18T02:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"BII6WPY4TGXM","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"BII6WPY4TGXMYD3U","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"BII6WPY4","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:aff279120e1d2dfb41a9a601920b59fcc09a81adf79068ecf92d264a61ce937d","target":"graph","created_at":"2026-05-18T02:06:54Z","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":"We calculate radial migration rates of protoplanets in laminar minimum mass solar nebula discs using three-dimensional self-gravitating radiation hydrodynamical (RHD) models. The protoplanets are free to migrate, whereupon their migration rates are measured. For low mass protoplanets (10-50 M_\\oplus) we find increases in the migration timescales of up to an order of magnitude between locally-isothermal and RHD models. In the high-mass regime the migration rates are changed very little. These results are arrived at by calculating migration rates in locally-isothermal models, before sequentially","authors_text":"Ben A. Ayliffe, Matthew R. Bate","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-06-10T20:00:05Z","title":"Planet migration: self-gravitating radiation hydrodynamical models of protoplanets with surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2135","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":"sha256:9c7025ebb80d4b595394b41cce9ee4205d8a61ac2261a284bd1101c517dbb835","target":"record","created_at":"2026-05-18T02:06:54Z","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":"b66542cb8452a561ac39a2f82abb3373348675a5083f3995dfadcaa04ddc0d60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-06-10T20:00:05Z","title_canon_sha256":"276bbce1c0cf701be95ec064ef0c0cbaa34ee3068350593681f574be9be47955"},"schema_version":"1.0","source":{"id":"1006.2135","kind":"arxiv","version":1}},"canonical_sha256":"0a11eb3f1c99aecc0f74194db659065bece61cacba5cdfb44660f6fe71c005cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a11eb3f1c99aecc0f74194db659065bece61cacba5cdfb44660f6fe71c005cf","first_computed_at":"2026-05-18T02:06:54.998585Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:54.998585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XWBNXfNQL0eoJjgHr3+jhdYPv03y0ktEdtDQbkeKR8k04vr+4TUvMLvArbz7dStwC7t3Hq97X8OqGddIDjz0BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:54.999223Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.2135","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c7025ebb80d4b595394b41cce9ee4205d8a61ac2261a284bd1101c517dbb835","sha256:aff279120e1d2dfb41a9a601920b59fcc09a81adf79068ecf92d264a61ce937d"],"state_sha256":"beebe439625b31b1d218d0cd551acb6052a15d35b82fdbc2539a55583258fa98"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GWWnnsxQK1h8AU5xYNRJboG3a8o0dcg07lQlSkzjDdzyaNzBT7ceK6lmHCIefyjl9KDzaxkvI0fCiaoHG1D8Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:44:26.012419Z","bundle_sha256":"c98fe37a3fec18ea9e8ccc4510e73d2d6a7164abae1624b99a35cf9bf450c2c4"}}