{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:T2F7YAJHMCJ7E5KYLJPLWZCER3","short_pith_number":"pith:T2F7YAJH","canonical_record":{"source":{"id":"1901.08253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-24T06:48:38Z","cross_cats_sorted":[],"title_canon_sha256":"2cfb5c723abbb8a680449e641cffa8abb286ee5a87912007d1e0142f7df7b015","abstract_canon_sha256":"0868943c8d034fba1ee4999c916a14e207102c15d2499ae7536e6b7054036a8e"},"schema_version":"1.0"},"canonical_sha256":"9e8bfc01276093f275585a5ebb64448edcbc3def08ad3075fcefd942ab1a6f35","source":{"kind":"arxiv","id":"1901.08253","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08253","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08253v1","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08253","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"pith_short_12","alias_value":"T2F7YAJHMCJ7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"T2F7YAJHMCJ7E5KY","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"T2F7YAJH","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:T2F7YAJHMCJ7E5KYLJPLWZCER3","target":"record","payload":{"canonical_record":{"source":{"id":"1901.08253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-24T06:48:38Z","cross_cats_sorted":[],"title_canon_sha256":"2cfb5c723abbb8a680449e641cffa8abb286ee5a87912007d1e0142f7df7b015","abstract_canon_sha256":"0868943c8d034fba1ee4999c916a14e207102c15d2499ae7536e6b7054036a8e"},"schema_version":"1.0"},"canonical_sha256":"9e8bfc01276093f275585a5ebb64448edcbc3def08ad3075fcefd942ab1a6f35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:39.485529Z","signature_b64":"irlmMkmEAVdLZjmWUw8RCq9Kz1okSqYnsvILbD7t0QWsPAuyb4SYneKZPWqqpMM3euaENBL1LP/Cm7fpbfXCBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e8bfc01276093f275585a5ebb64448edcbc3def08ad3075fcefd942ab1a6f35","last_reissued_at":"2026-05-17T23:49:39.485005Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:39.485005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.08253","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":"2026-05-17T23:49:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uGYQgmuB0AQLicTkp2mQ6D7ezCUYr0ok7yL8qzCWNZES2G5oaDcL0NzCi0ZZIB+iZFXBk9APMttbgU8xXPT/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:02:39.988986Z"},"content_sha256":"1b1b5b3fb2eacf2ab98c37c219996764fbaca2e4cc81a241ad93d5e7262e6e6c","schema_version":"1.0","event_id":"sha256:1b1b5b3fb2eacf2ab98c37c219996764fbaca2e4cc81a241ad93d5e7262e6e6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:T2F7YAJHMCJ7E5KYLJPLWZCER3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gas flow around a planet embedded in a protoplanetary disc: the dependence on the planetary mass","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Ayumu Kuwahara, Hiroyuki Kurokawa, Shigeru Ida","submitted_at":"2019-01-24T06:48:38Z","abstract_excerpt":"The three-dimensional structure of the gas flow around a planet is thought to influence the accretion of both gas and solid materials. In particular, the outflow in the mid-plane region may prevent the accretion of the solid materials and delay the formation of super-Earths' cores. However, it is not yet understood how the nature of the flow field and outflow speed change as a function of the planetary mass. In this study, we investigate the dependence of gas flow around a planet embedded in a protoplanetary disc on the planetary mass. Assuming an isothermal, inviscid gas disc, we perform thre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08253","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":"2026-05-17T23:49:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"STGrqZZjl4FMWGoeHIevTw2MRYvpxS0623SN31EJZwZ27MwgLyTGeXhfLmTOIBSe6jCO6IeHIF+AY36ofsGICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:02:39.989587Z"},"content_sha256":"40725aded40a3d80da8dfacac21a714e6be8d1601b38775aafee3bdaef23c73c","schema_version":"1.0","event_id":"sha256:40725aded40a3d80da8dfacac21a714e6be8d1601b38775aafee3bdaef23c73c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3/bundle.json","state_url":"https://pith.science/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3/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":"2026-05-25T15:02:39Z","links":{"resolver":"https://pith.science/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3","bundle":"https://pith.science/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3/bundle.json","state":"https://pith.science/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T2F7YAJHMCJ7E5KYLJPLWZCER3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:T2F7YAJHMCJ7E5KYLJPLWZCER3","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":"0868943c8d034fba1ee4999c916a14e207102c15d2499ae7536e6b7054036a8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-24T06:48:38Z","title_canon_sha256":"2cfb5c723abbb8a680449e641cffa8abb286ee5a87912007d1e0142f7df7b015"},"schema_version":"1.0","source":{"id":"1901.08253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08253","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08253v1","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08253","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"pith_short_12","alias_value":"T2F7YAJHMCJ7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"T2F7YAJHMCJ7E5KY","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"T2F7YAJH","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:40725aded40a3d80da8dfacac21a714e6be8d1601b38775aafee3bdaef23c73c","target":"graph","created_at":"2026-05-17T23:49:39Z","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 three-dimensional structure of the gas flow around a planet is thought to influence the accretion of both gas and solid materials. In particular, the outflow in the mid-plane region may prevent the accretion of the solid materials and delay the formation of super-Earths' cores. However, it is not yet understood how the nature of the flow field and outflow speed change as a function of the planetary mass. In this study, we investigate the dependence of gas flow around a planet embedded in a protoplanetary disc on the planetary mass. Assuming an isothermal, inviscid gas disc, we perform thre","authors_text":"Ayumu Kuwahara, Hiroyuki Kurokawa, Shigeru Ida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-24T06:48:38Z","title":"Gas flow around a planet embedded in a protoplanetary disc: the dependence on the planetary mass"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08253","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":"sha256:1b1b5b3fb2eacf2ab98c37c219996764fbaca2e4cc81a241ad93d5e7262e6e6c","target":"record","created_at":"2026-05-17T23:49:39Z","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":"0868943c8d034fba1ee4999c916a14e207102c15d2499ae7536e6b7054036a8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-01-24T06:48:38Z","title_canon_sha256":"2cfb5c723abbb8a680449e641cffa8abb286ee5a87912007d1e0142f7df7b015"},"schema_version":"1.0","source":{"id":"1901.08253","kind":"arxiv","version":1}},"canonical_sha256":"9e8bfc01276093f275585a5ebb64448edcbc3def08ad3075fcefd942ab1a6f35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e8bfc01276093f275585a5ebb64448edcbc3def08ad3075fcefd942ab1a6f35","first_computed_at":"2026-05-17T23:49:39.485005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:39.485005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"irlmMkmEAVdLZjmWUw8RCq9Kz1okSqYnsvILbD7t0QWsPAuyb4SYneKZPWqqpMM3euaENBL1LP/Cm7fpbfXCBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:39.485529Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.08253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b1b5b3fb2eacf2ab98c37c219996764fbaca2e4cc81a241ad93d5e7262e6e6c","sha256:40725aded40a3d80da8dfacac21a714e6be8d1601b38775aafee3bdaef23c73c"],"state_sha256":"41848ae9e465cb92e32479cef5da931215e0aa17122d9d8a8439891e70e58210"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"db1ajomEqYEWouKFKg0fzxPRnTDNOrcyAFNQIkRq4nibNP0Sth2uVkVRM013F/hrvUT5sB8kjM3zDLwq4NaoAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:02:39.993295Z","bundle_sha256":"a2cb64d46584d6f9799267222014fb2e6115e221db453b60d7e396ee1d25d243"}}