{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:5GR24VD5XIJ5LT4X2SKCEGZSWC","short_pith_number":"pith:5GR24VD5","canonical_record":{"source":{"id":"2102.10401","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-02-20T17:50:54Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"a98f0e5da84907bd4a658b2621ee85b11de3ba6fc43f869d4d4b473ab7ef2538","abstract_canon_sha256":"f6c15388603fa718c4e08db8e98a42f314b26e68108bac59c0f13805428f7762"},"schema_version":"1.0"},"canonical_sha256":"e9a3ae547dba13d5cf97d494221b32b0a57ee4573bd6931ce746b74e8710991f","source":{"kind":"arxiv","id":"2102.10401","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.10401","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"arxiv_version","alias_value":"2102.10401v1","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.10401","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"pith_short_12","alias_value":"5GR24VD5XIJ5","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"pith_short_16","alias_value":"5GR24VD5XIJ5LT4X","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"pith_short_8","alias_value":"5GR24VD5","created_at":"2026-07-05T02:16:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:5GR24VD5XIJ5LT4X2SKCEGZSWC","target":"record","payload":{"canonical_record":{"source":{"id":"2102.10401","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-02-20T17:50:54Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"a98f0e5da84907bd4a658b2621ee85b11de3ba6fc43f869d4d4b473ab7ef2538","abstract_canon_sha256":"f6c15388603fa718c4e08db8e98a42f314b26e68108bac59c0f13805428f7762"},"schema_version":"1.0"},"canonical_sha256":"e9a3ae547dba13d5cf97d494221b32b0a57ee4573bd6931ce746b74e8710991f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:16:57.489713Z","signature_b64":"mHOLjFId893d/tceakUuubUwC1lfIrU+W7rJz+sRTLHn6+2VlLJOdNfxj9o/m9cZKqWTqXyKBHmOszsu6HRyAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9a3ae547dba13d5cf97d494221b32b0a57ee4573bd6931ce746b74e8710991f","last_reissued_at":"2026-07-05T02:16:57.489245Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:16:57.489245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.10401","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":"2026-07-05T02:16:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a9gg3nXHYtoU9zdXPW9xblAxeSt7yINwZmoP/97SodtOQlnE2ixYs3d8LJA3fBG7kRau+R3b1Z5ApUIERE5dCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:14:57.460923Z"},"content_sha256":"50adec29d966456c77585305fd8008461c4d2707dc03830ef45c6f3ef082c0d4","schema_version":"1.0","event_id":"sha256:50adec29d966456c77585305fd8008461c4d2707dc03830ef45c6f3ef082c0d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:5GR24VD5XIJ5LT4X2SKCEGZSWC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fluid dynamics in clouds: The sum of its parts","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Jason R. Picardo, Rama Govindarajan, Samriddhi Sankar Ray, S. Ravichandran","submitted_at":"2021-02-20T17:50:54Z","abstract_excerpt":"This entry is aimed at describing cloud physics with an emphasis on fluid dynamics. As is inevitable for a review of an enormously complicated problem, it is highly selective and reflects of the authors' focus. The range of scales involved, and the relevant physics at each scale is described. Particular attention is given to droplet dynamics and growth, and turbulence with and without thermodynamics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.10401","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.10401/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:16:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2JnO7Vl44A6I7ZBuDUG6eWP4NN+MXVBanpmx3robrEHjX2iG16BvgCQa/Lz0cGYi+l2HPk9Nzfayb73GkaheDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:14:57.461436Z"},"content_sha256":"7fab2e5b9d9ea698c444ac4d433cf919d2361f224ca3c9dddb29258d5a3ba929","schema_version":"1.0","event_id":"sha256:7fab2e5b9d9ea698c444ac4d433cf919d2361f224ca3c9dddb29258d5a3ba929"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC/bundle.json","state_url":"https://pith.science/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC/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":"2026-08-04T09:14:57Z","links":{"resolver":"https://pith.science/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC","bundle":"https://pith.science/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC/bundle.json","state":"https://pith.science/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GR24VD5XIJ5LT4X2SKCEGZSWC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:5GR24VD5XIJ5LT4X2SKCEGZSWC","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":"f6c15388603fa718c4e08db8e98a42f314b26e68108bac59c0f13805428f7762","cross_cats_sorted":["physics.ao-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-02-20T17:50:54Z","title_canon_sha256":"a98f0e5da84907bd4a658b2621ee85b11de3ba6fc43f869d4d4b473ab7ef2538"},"schema_version":"1.0","source":{"id":"2102.10401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.10401","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"arxiv_version","alias_value":"2102.10401v1","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.10401","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"pith_short_12","alias_value":"5GR24VD5XIJ5","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"pith_short_16","alias_value":"5GR24VD5XIJ5LT4X","created_at":"2026-07-05T02:16:57Z"},{"alias_kind":"pith_short_8","alias_value":"5GR24VD5","created_at":"2026-07-05T02:16:57Z"}],"graph_snapshots":[{"event_id":"sha256:7fab2e5b9d9ea698c444ac4d433cf919d2361f224ca3c9dddb29258d5a3ba929","target":"graph","created_at":"2026-07-05T02:16:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2102.10401/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This entry is aimed at describing cloud physics with an emphasis on fluid dynamics. As is inevitable for a review of an enormously complicated problem, it is highly selective and reflects of the authors' focus. The range of scales involved, and the relevant physics at each scale is described. Particular attention is given to droplet dynamics and growth, and turbulence with and without thermodynamics.","authors_text":"Jason R. Picardo, Rama Govindarajan, Samriddhi Sankar Ray, S. Ravichandran","cross_cats":["physics.ao-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-02-20T17:50:54Z","title":"Fluid dynamics in clouds: The sum of its parts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.10401","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":"sha256:50adec29d966456c77585305fd8008461c4d2707dc03830ef45c6f3ef082c0d4","target":"record","created_at":"2026-07-05T02:16:57Z","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":"f6c15388603fa718c4e08db8e98a42f314b26e68108bac59c0f13805428f7762","cross_cats_sorted":["physics.ao-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-02-20T17:50:54Z","title_canon_sha256":"a98f0e5da84907bd4a658b2621ee85b11de3ba6fc43f869d4d4b473ab7ef2538"},"schema_version":"1.0","source":{"id":"2102.10401","kind":"arxiv","version":1}},"canonical_sha256":"e9a3ae547dba13d5cf97d494221b32b0a57ee4573bd6931ce746b74e8710991f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9a3ae547dba13d5cf97d494221b32b0a57ee4573bd6931ce746b74e8710991f","first_computed_at":"2026-07-05T02:16:57.489245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:16:57.489245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mHOLjFId893d/tceakUuubUwC1lfIrU+W7rJz+sRTLHn6+2VlLJOdNfxj9o/m9cZKqWTqXyKBHmOszsu6HRyAg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:16:57.489713Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.10401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50adec29d966456c77585305fd8008461c4d2707dc03830ef45c6f3ef082c0d4","sha256:7fab2e5b9d9ea698c444ac4d433cf919d2361f224ca3c9dddb29258d5a3ba929"],"state_sha256":"9634c1b63c0bad7c2fe9877695c42730b41a9e68489a2a9479c2652d3f5cdc0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ktO1/XzzmJMNSPjI5n5f9x53q+s5ZEjzdvnfvBrBSCzhwvEnSVIB5/o2yPt0b4TazLRIdvien9bqC37djEquAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T09:14:57.465954Z","bundle_sha256":"638de58cb425bc8dd0bf126af672cbff98520ee6c54e4772ae49bea64d0d95a6"}}