{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KE55HYI4ROVMIETZZGPFAMIHHE","short_pith_number":"pith:KE55HYI4","canonical_record":{"source":{"id":"1603.06575","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-21T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"e59459dc33673df3f1e4ec54d5db3c0a26de813d136bcf7a79eb9b328625471e","abstract_canon_sha256":"b247b13f0d16f67c8d91d54293e1c9f2d7b0717da19a570273fa6ce825ea1784"},"schema_version":"1.0"},"canonical_sha256":"513bd3e11c8baac41279c99e503107390be6577b8991f98f0f1441113a6e2d69","source":{"kind":"arxiv","id":"1603.06575","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06575","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06575v1","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06575","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"KE55HYI4ROVM","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KE55HYI4ROVMIETZ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KE55HYI4","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KE55HYI4ROVMIETZZGPFAMIHHE","target":"record","payload":{"canonical_record":{"source":{"id":"1603.06575","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-21T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"e59459dc33673df3f1e4ec54d5db3c0a26de813d136bcf7a79eb9b328625471e","abstract_canon_sha256":"b247b13f0d16f67c8d91d54293e1c9f2d7b0717da19a570273fa6ce825ea1784"},"schema_version":"1.0"},"canonical_sha256":"513bd3e11c8baac41279c99e503107390be6577b8991f98f0f1441113a6e2d69","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:39.604434Z","signature_b64":"Q6+/zu2YCRspqvB4Qa12uhvK3DjXbfTTG11ixptHu8f6fy4ne43gHWT5Rn9Nk1jXt4uBLL17RmAnGw6n+2MTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"513bd3e11c8baac41279c99e503107390be6577b8991f98f0f1441113a6e2d69","last_reissued_at":"2026-05-18T01:16:39.603706Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:39.603706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.06575","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":"2026-05-18T01:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vIqGOOWlap1DbuN41BmMqyp/QbPyRqNGLh+d1rUZ6PhmDNeNFSbzddSB69IJYn0ob1pmQoqG96rqHyLBap0hBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T10:39:11.305556Z"},"content_sha256":"8501db225a600eb349fe808d937f7763e204808cfc9112e5cef70eaf2f641998","schema_version":"1.0","event_id":"sha256:8501db225a600eb349fe808d937f7763e204808cfc9112e5cef70eaf2f641998"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KE55HYI4ROVMIETZZGPFAMIHHE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dust dynamics in 2D gravito-turbulent disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Eugene Chiang, James M. Stone, Ji-Ming Shi, Zhaohuan Zhu","submitted_at":"2016-03-21T20:00:02Z","abstract_excerpt":"The dynamics of solid bodies in protoplanetary disks are subject to the properties of any underlying gas turbulence. Turbulence driven by disk self-gravity shows features distinct from those driven by the magnetorotational instability (MRI). We study the dynamics of solids in gravito-turbulent disks with two-dimensional (in the disk plane), hybrid (particle and gas) simulations. Gravito-turbulent disks can exhibit stronger gravitational stirring than MRI-active disks, resulting in greater radial diffusion and larger eccentricities and relative speeds for large particles (those with dimensionle"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06575","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":"2026-05-18T01:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GpwgtDiyKXo38G32kHuXksfS20CvZrHB+tSX0WkLhiDWXrwJZlNmhxBshtgpRFQax3AQ0QARXAKNKX4d0zxhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T10:39:11.306213Z"},"content_sha256":"f230a9df6e72458c588e13595912a78fb422463ef40fde29be22fa617333b7b8","schema_version":"1.0","event_id":"sha256:f230a9df6e72458c588e13595912a78fb422463ef40fde29be22fa617333b7b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KE55HYI4ROVMIETZZGPFAMIHHE/bundle.json","state_url":"https://pith.science/pith/KE55HYI4ROVMIETZZGPFAMIHHE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KE55HYI4ROVMIETZZGPFAMIHHE/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":"2026-06-07T10:39:11Z","links":{"resolver":"https://pith.science/pith/KE55HYI4ROVMIETZZGPFAMIHHE","bundle":"https://pith.science/pith/KE55HYI4ROVMIETZZGPFAMIHHE/bundle.json","state":"https://pith.science/pith/KE55HYI4ROVMIETZZGPFAMIHHE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KE55HYI4ROVMIETZZGPFAMIHHE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KE55HYI4ROVMIETZZGPFAMIHHE","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":"b247b13f0d16f67c8d91d54293e1c9f2d7b0717da19a570273fa6ce825ea1784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-21T20:00:02Z","title_canon_sha256":"e59459dc33673df3f1e4ec54d5db3c0a26de813d136bcf7a79eb9b328625471e"},"schema_version":"1.0","source":{"id":"1603.06575","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06575","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06575v1","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06575","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"KE55HYI4ROVM","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KE55HYI4ROVMIETZ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KE55HYI4","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:f230a9df6e72458c588e13595912a78fb422463ef40fde29be22fa617333b7b8","target":"graph","created_at":"2026-05-18T01:16:39Z","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 dynamics of solid bodies in protoplanetary disks are subject to the properties of any underlying gas turbulence. Turbulence driven by disk self-gravity shows features distinct from those driven by the magnetorotational instability (MRI). We study the dynamics of solids in gravito-turbulent disks with two-dimensional (in the disk plane), hybrid (particle and gas) simulations. Gravito-turbulent disks can exhibit stronger gravitational stirring than MRI-active disks, resulting in greater radial diffusion and larger eccentricities and relative speeds for large particles (those with dimensionle","authors_text":"Eugene Chiang, James M. Stone, Ji-Ming Shi, Zhaohuan Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-21T20:00:02Z","title":"Dust dynamics in 2D gravito-turbulent disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06575","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":"sha256:8501db225a600eb349fe808d937f7763e204808cfc9112e5cef70eaf2f641998","target":"record","created_at":"2026-05-18T01:16:39Z","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":"b247b13f0d16f67c8d91d54293e1c9f2d7b0717da19a570273fa6ce825ea1784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-03-21T20:00:02Z","title_canon_sha256":"e59459dc33673df3f1e4ec54d5db3c0a26de813d136bcf7a79eb9b328625471e"},"schema_version":"1.0","source":{"id":"1603.06575","kind":"arxiv","version":1}},"canonical_sha256":"513bd3e11c8baac41279c99e503107390be6577b8991f98f0f1441113a6e2d69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"513bd3e11c8baac41279c99e503107390be6577b8991f98f0f1441113a6e2d69","first_computed_at":"2026-05-18T01:16:39.603706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:39.603706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q6+/zu2YCRspqvB4Qa12uhvK3DjXbfTTG11ixptHu8f6fy4ne43gHWT5Rn9Nk1jXt4uBLL17RmAnGw6n+2MTAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:39.604434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.06575","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8501db225a600eb349fe808d937f7763e204808cfc9112e5cef70eaf2f641998","sha256:f230a9df6e72458c588e13595912a78fb422463ef40fde29be22fa617333b7b8"],"state_sha256":"5dc4484ed879772f019921fe697ed2eeac266f6c64a3510d5297f77ca6736db5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tiVW9cqBYFuLyS00nExw+v8Gl1c/ZcpaPoJHqyAEuB8KtZEbPBFDSk4Eu8fTV/xqq546TLnNKx9Zqne4dEy+CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T10:39:11.309454Z","bundle_sha256":"c6572acc4f0bba90a3cf278821ce456509a1d8d2a3e847873e57a0c001caecd4"}}