{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7MU623NVFDE3RGUZ35MM65WHUW","short_pith_number":"pith:7MU623NV","canonical_record":{"source":{"id":"1906.06338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-14T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"1e26ef3cee91ff2745448d2a5813d2cabd48e537dbf7d2b2c8b666eb4981525f","abstract_canon_sha256":"5ee93d5823eee77e31cff06d6520d6518c60c99c7588cb4a2ef06827bf973f58"},"schema_version":"1.0"},"canonical_sha256":"fb29ed6db528c9b89a99df58cf76c7a5a550c0c8dd47840a69f60b4fe60beedb","source":{"kind":"arxiv","id":"1906.06338","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06338","created_at":"2026-05-17T23:40:30Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06338v2","created_at":"2026-05-17T23:40:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06338","created_at":"2026-05-17T23:40:30Z"},{"alias_kind":"pith_short_12","alias_value":"7MU623NVFDE3","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7MU623NVFDE3RGUZ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7MU623NV","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7MU623NVFDE3RGUZ35MM65WHUW","target":"record","payload":{"canonical_record":{"source":{"id":"1906.06338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-14T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"1e26ef3cee91ff2745448d2a5813d2cabd48e537dbf7d2b2c8b666eb4981525f","abstract_canon_sha256":"5ee93d5823eee77e31cff06d6520d6518c60c99c7588cb4a2ef06827bf973f58"},"schema_version":"1.0"},"canonical_sha256":"fb29ed6db528c9b89a99df58cf76c7a5a550c0c8dd47840a69f60b4fe60beedb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:30.070284Z","signature_b64":"yL9AVv6s7i1RU/kDYkCG1TTQuniKGL85Y98KpYwKK/1Ng/2s8fnUb/EIF4ITd4FXnIFp5+AkJmqX1X75xXdOBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb29ed6db528c9b89a99df58cf76c7a5a550c0c8dd47840a69f60b4fe60beedb","last_reissued_at":"2026-05-17T23:40:30.069829Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:30.069829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.06338","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:40:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tl4/EkV0c6gcxbOjjXOtjQ9GfkQaECuU7fz5DKwXmzHg0B3PNzvkLNCgTqIphjs4OA6BcH1kmGFrJhqYxqjEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T02:40:20.764703Z"},"content_sha256":"59982dc706de6c2989b7fe873d628a3e86333f424c5a606d2323f4d766796324","schema_version":"1.0","event_id":"sha256:59982dc706de6c2989b7fe873d628a3e86333f424c5a606d2323f4d766796324"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7MU623NVFDE3RGUZ35MM65WHUW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Termination of an inward migration of a gap-opening planet triggered by dust feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Kazuhiro D. Kanagawa","submitted_at":"2019-06-14T18:00:00Z","abstract_excerpt":"The planet migration due to the disk--planet interaction is one of the most important processes to determine the architecture of planetary systems. A sufficiently massive planet forms a density gap and migrates together with the gap. By carrying out two-dimensional and two-fluid (gas and dust grains) hydrodynamic simulations, we investigated the effects of the dust feedback on the migration of the gap-opening planet, which was not considered in previous studies. We found that the gas surface density at the outer edge of the gap becomes smaller due to the dust feedback, and thus the torque exer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06338","kind":"arxiv","version":2},"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":"2026-05-17T23:40:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AssKnbNLgnnibl0b+Iu1vZCb/Oy+rmtC+6YflpWCzxJk/YrUcfV5ipQIy69Fgr9mn0aYOkW/CpBeA2I7hMmIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T02:40:20.765741Z"},"content_sha256":"bdf6577b39d21878b6e4b0020fb14bcca19fa431d0f5846e3032f90fd0844df8","schema_version":"1.0","event_id":"sha256:bdf6577b39d21878b6e4b0020fb14bcca19fa431d0f5846e3032f90fd0844df8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7MU623NVFDE3RGUZ35MM65WHUW/bundle.json","state_url":"https://pith.science/pith/7MU623NVFDE3RGUZ35MM65WHUW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7MU623NVFDE3RGUZ35MM65WHUW/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":"2026-05-22T02:40:20Z","links":{"resolver":"https://pith.science/pith/7MU623NVFDE3RGUZ35MM65WHUW","bundle":"https://pith.science/pith/7MU623NVFDE3RGUZ35MM65WHUW/bundle.json","state":"https://pith.science/pith/7MU623NVFDE3RGUZ35MM65WHUW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7MU623NVFDE3RGUZ35MM65WHUW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7MU623NVFDE3RGUZ35MM65WHUW","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":"5ee93d5823eee77e31cff06d6520d6518c60c99c7588cb4a2ef06827bf973f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-14T18:00:00Z","title_canon_sha256":"1e26ef3cee91ff2745448d2a5813d2cabd48e537dbf7d2b2c8b666eb4981525f"},"schema_version":"1.0","source":{"id":"1906.06338","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06338","created_at":"2026-05-17T23:40:30Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06338v2","created_at":"2026-05-17T23:40:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06338","created_at":"2026-05-17T23:40:30Z"},{"alias_kind":"pith_short_12","alias_value":"7MU623NVFDE3","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7MU623NVFDE3RGUZ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7MU623NV","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:bdf6577b39d21878b6e4b0020fb14bcca19fa431d0f5846e3032f90fd0844df8","target":"graph","created_at":"2026-05-17T23:40:30Z","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 planet migration due to the disk--planet interaction is one of the most important processes to determine the architecture of planetary systems. A sufficiently massive planet forms a density gap and migrates together with the gap. By carrying out two-dimensional and two-fluid (gas and dust grains) hydrodynamic simulations, we investigated the effects of the dust feedback on the migration of the gap-opening planet, which was not considered in previous studies. We found that the gas surface density at the outer edge of the gap becomes smaller due to the dust feedback, and thus the torque exer","authors_text":"Kazuhiro D. Kanagawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-14T18:00:00Z","title":"Termination of an inward migration of a gap-opening planet triggered by dust feedback"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06338","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":"sha256:59982dc706de6c2989b7fe873d628a3e86333f424c5a606d2323f4d766796324","target":"record","created_at":"2026-05-17T23:40:30Z","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":"5ee93d5823eee77e31cff06d6520d6518c60c99c7588cb4a2ef06827bf973f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-14T18:00:00Z","title_canon_sha256":"1e26ef3cee91ff2745448d2a5813d2cabd48e537dbf7d2b2c8b666eb4981525f"},"schema_version":"1.0","source":{"id":"1906.06338","kind":"arxiv","version":2}},"canonical_sha256":"fb29ed6db528c9b89a99df58cf76c7a5a550c0c8dd47840a69f60b4fe60beedb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb29ed6db528c9b89a99df58cf76c7a5a550c0c8dd47840a69f60b4fe60beedb","first_computed_at":"2026-05-17T23:40:30.069829Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:30.069829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yL9AVv6s7i1RU/kDYkCG1TTQuniKGL85Y98KpYwKK/1Ng/2s8fnUb/EIF4ITd4FXnIFp5+AkJmqX1X75xXdOBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:30.070284Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.06338","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59982dc706de6c2989b7fe873d628a3e86333f424c5a606d2323f4d766796324","sha256:bdf6577b39d21878b6e4b0020fb14bcca19fa431d0f5846e3032f90fd0844df8"],"state_sha256":"ec4ddd1c37fba8b72b1cabe8e6a5917fd033b80a752400e3737691dbb7f39b70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hkj4deMz/BFEb2MGSuPN3VjUIx/rjPLliptnysYeBtPYDchKQXboztCBVZXRxkKi6wBwa0H/+9ix/o+9ciGMDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T02:40:20.768457Z","bundle_sha256":"038af54841257418039b809f9d2b590b3caa01107d7133a0c9c1ff29d7a84053"}}