{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IOZPWAABWOAURV7VZ56HPU542M","short_pith_number":"pith:IOZPWAAB","canonical_record":{"source":{"id":"1807.10871","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-28T01:53:44Z","cross_cats_sorted":[],"title_canon_sha256":"762dd0d7b6df18e3fa12cd979314ce5e7a50382bd11b8ad02de702775b262f60","abstract_canon_sha256":"0e30cfc0f41768774c3924660c40fc6e1d529d86a4ef148fe9fc254c33efb612"},"schema_version":"1.0"},"canonical_sha256":"43b2fb0001b38148d7f5cf7c77d3bcd30507cb253ab34ae187ede1aaed8c8924","source":{"kind":"arxiv","id":"1807.10871","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10871","created_at":"2026-05-18T00:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10871v3","created_at":"2026-05-18T00:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10871","created_at":"2026-05-18T00:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"IOZPWAABWOAU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IOZPWAABWOAURV7V","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IOZPWAAB","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IOZPWAABWOAURV7VZ56HPU542M","target":"record","payload":{"canonical_record":{"source":{"id":"1807.10871","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-28T01:53:44Z","cross_cats_sorted":[],"title_canon_sha256":"762dd0d7b6df18e3fa12cd979314ce5e7a50382bd11b8ad02de702775b262f60","abstract_canon_sha256":"0e30cfc0f41768774c3924660c40fc6e1d529d86a4ef148fe9fc254c33efb612"},"schema_version":"1.0"},"canonical_sha256":"43b2fb0001b38148d7f5cf7c77d3bcd30507cb253ab34ae187ede1aaed8c8924","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:13.784796Z","signature_b64":"2P14KnIEfAJa2T+1MEY3Xuil3vZaDCbE0FbmeQarRhiM6zRpkS1gUVQ40j6jo0LPSvYb2ZN1CNHvz+hF0zEjDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43b2fb0001b38148d7f5cf7c77d3bcd30507cb253ab34ae187ede1aaed8c8924","last_reissued_at":"2026-05-18T00:05:13.784130Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:13.784130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.10871","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2djqsJuYG3cz/JJQhsDAYxuj77S9vxQVTYAne5ZwHM/UkqLjAuK9sJBD/G0k3Uo4wMDlqPujJlWJcbSmWmG4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:54:29.411591Z"},"content_sha256":"300cdbaf6ba617ac28d8f11c7328470e6280af7f795cf5f6d5340951c0d5b8d1","schema_version":"1.0","event_id":"sha256:300cdbaf6ba617ac28d8f11c7328470e6280af7f795cf5f6d5340951c0d5b8d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IOZPWAABWOAURV7VZ56HPU542M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Slowing Down Type II Migration of Gas Giants to Match Observational Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anders Johansen, Hidekazu Tanaka, Kazuhiro Kanagawa, Shigeru Ida, Takayuki Tanigawa","submitted_at":"2018-07-28T01:53:44Z","abstract_excerpt":"The mass and semimajor axis distribution of gas giants in exoplanetary systems obtained by radial velocity surveys shows that super-jupiter-mass planets are piled up at > 1 au, while jupiter/sub-jupiter-mass planets are broadly distributed from ~0.03 au to beyond 1 au. This feature has not been explained by theoretical predictions. In order to reconcile this inconsistency, we investigate evolution of gas giants with a new type II migration formula by Kanagawa et al. (2018), by comparing the migration, growth timescales of gas giants, and disk lifetime and by population synthesis simulation. Wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10871","kind":"arxiv","version":3},"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":"2026-05-18T00:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ibLnlYPa57k9+5FVPP4EkfWg1bANNodTnL29iPcGYv7vowMWq/M8ot1oIl9q4+s3gmStsOmmCiygA4LwGDvkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:54:29.411936Z"},"content_sha256":"26e6d5562d543d1d78eb76c66d6a488f747c710fbdcecae5ea80b01397b2f0d3","schema_version":"1.0","event_id":"sha256:26e6d5562d543d1d78eb76c66d6a488f747c710fbdcecae5ea80b01397b2f0d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOZPWAABWOAURV7VZ56HPU542M/bundle.json","state_url":"https://pith.science/pith/IOZPWAABWOAURV7VZ56HPU542M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOZPWAABWOAURV7VZ56HPU542M/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":"2026-05-20T18:54:29Z","links":{"resolver":"https://pith.science/pith/IOZPWAABWOAURV7VZ56HPU542M","bundle":"https://pith.science/pith/IOZPWAABWOAURV7VZ56HPU542M/bundle.json","state":"https://pith.science/pith/IOZPWAABWOAURV7VZ56HPU542M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOZPWAABWOAURV7VZ56HPU542M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IOZPWAABWOAURV7VZ56HPU542M","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":"0e30cfc0f41768774c3924660c40fc6e1d529d86a4ef148fe9fc254c33efb612","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-28T01:53:44Z","title_canon_sha256":"762dd0d7b6df18e3fa12cd979314ce5e7a50382bd11b8ad02de702775b262f60"},"schema_version":"1.0","source":{"id":"1807.10871","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10871","created_at":"2026-05-18T00:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10871v3","created_at":"2026-05-18T00:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10871","created_at":"2026-05-18T00:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"IOZPWAABWOAU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IOZPWAABWOAURV7V","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IOZPWAAB","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:26e6d5562d543d1d78eb76c66d6a488f747c710fbdcecae5ea80b01397b2f0d3","target":"graph","created_at":"2026-05-18T00:05:13Z","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 mass and semimajor axis distribution of gas giants in exoplanetary systems obtained by radial velocity surveys shows that super-jupiter-mass planets are piled up at > 1 au, while jupiter/sub-jupiter-mass planets are broadly distributed from ~0.03 au to beyond 1 au. This feature has not been explained by theoretical predictions. In order to reconcile this inconsistency, we investigate evolution of gas giants with a new type II migration formula by Kanagawa et al. (2018), by comparing the migration, growth timescales of gas giants, and disk lifetime and by population synthesis simulation. Wh","authors_text":"Anders Johansen, Hidekazu Tanaka, Kazuhiro Kanagawa, Shigeru Ida, Takayuki Tanigawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-28T01:53:44Z","title":"Slowing Down Type II Migration of Gas Giants to Match Observational Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10871","kind":"arxiv","version":3},"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":"sha256:300cdbaf6ba617ac28d8f11c7328470e6280af7f795cf5f6d5340951c0d5b8d1","target":"record","created_at":"2026-05-18T00:05:13Z","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":"0e30cfc0f41768774c3924660c40fc6e1d529d86a4ef148fe9fc254c33efb612","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-28T01:53:44Z","title_canon_sha256":"762dd0d7b6df18e3fa12cd979314ce5e7a50382bd11b8ad02de702775b262f60"},"schema_version":"1.0","source":{"id":"1807.10871","kind":"arxiv","version":3}},"canonical_sha256":"43b2fb0001b38148d7f5cf7c77d3bcd30507cb253ab34ae187ede1aaed8c8924","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43b2fb0001b38148d7f5cf7c77d3bcd30507cb253ab34ae187ede1aaed8c8924","first_computed_at":"2026-05-18T00:05:13.784130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:13.784130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2P14KnIEfAJa2T+1MEY3Xuil3vZaDCbE0FbmeQarRhiM6zRpkS1gUVQ40j6jo0LPSvYb2ZN1CNHvz+hF0zEjDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:13.784796Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10871","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:300cdbaf6ba617ac28d8f11c7328470e6280af7f795cf5f6d5340951c0d5b8d1","sha256:26e6d5562d543d1d78eb76c66d6a488f747c710fbdcecae5ea80b01397b2f0d3"],"state_sha256":"4761fca5686d19937a97c763ea34c224c81b85e434ec3ec1652f19778cb6e4ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oyNWnWX4vIfsPOxVcEJbWoH7n1ROArobaTCt9c+orGB86FsxTaP9+YjE9fyPy5vQA3ZaFSmhiKhsln11M/N2DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T18:54:29.414057Z","bundle_sha256":"67f83602f819d5977034804474b42111b0945878c3fdcf0dd01b2c353c172627"}}