{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CFSC3XRXBLNFUU6SC75EMQIW6H","short_pith_number":"pith:CFSC3XRX","canonical_record":{"source":{"id":"1811.11421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2018-11-28T07:45:31Z","cross_cats_sorted":[],"title_canon_sha256":"e86d002d01f3e11eb9ceb32717c69414f23d36ae4d41c6a1f5e43f3c59dba98c","abstract_canon_sha256":"cdd6d528b541f8751258831d515c11850c30023213e63a1a9b99b4ec69235704"},"schema_version":"1.0"},"canonical_sha256":"11642dde370ada5a53d217fa464116f1db404fe92dee866b7d89b04155fc4390","source":{"kind":"arxiv","id":"1811.11421","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11421","created_at":"2026-05-17T23:59:43Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11421v1","created_at":"2026-05-17T23:59:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11421","created_at":"2026-05-17T23:59:43Z"},{"alias_kind":"pith_short_12","alias_value":"CFSC3XRXBLNF","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CFSC3XRXBLNFUU6S","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CFSC3XRX","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CFSC3XRXBLNFUU6SC75EMQIW6H","target":"record","payload":{"canonical_record":{"source":{"id":"1811.11421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2018-11-28T07:45:31Z","cross_cats_sorted":[],"title_canon_sha256":"e86d002d01f3e11eb9ceb32717c69414f23d36ae4d41c6a1f5e43f3c59dba98c","abstract_canon_sha256":"cdd6d528b541f8751258831d515c11850c30023213e63a1a9b99b4ec69235704"},"schema_version":"1.0"},"canonical_sha256":"11642dde370ada5a53d217fa464116f1db404fe92dee866b7d89b04155fc4390","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:43.028236Z","signature_b64":"HZyYDUgY67st2dkcJE7RsDZD7qRxkDeuqRuN9SSKXcrHUvMYh40O55UOwzzn4rF5/PkVEO4IB5JX0676D3YECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11642dde370ada5a53d217fa464116f1db404fe92dee866b7d89b04155fc4390","last_reissued_at":"2026-05-17T23:59:43.027722Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:43.027722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.11421","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":"2026-05-17T23:59:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocXLYRK1U6KqSM6ZB0IFdTdsTqctwbdj6ugyt50Dg/kD1sCfqc/InQDOfpizZhZVJ1r39sb51oIZjJXUtUPzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:08:24.577637Z"},"content_sha256":"fbd02560192b0afe8c6dede0afe405d8e1e426132198d2cc4b64bccf7e95a9c4","schema_version":"1.0","event_id":"sha256:fbd02560192b0afe8c6dede0afe405d8e1e426132198d2cc4b64bccf7e95a9c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CFSC3XRXBLNFUU6SC75EMQIW6H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A model for warm clouds with implicit droplet activation, avoiding saturation adjustment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ao-ph","authors_text":"Manuel Baumgartner, Martin Hanke, Nikolas Porz, Peter Spichtinger","submitted_at":"2018-11-28T07:45:31Z","abstract_excerpt":"The representation of cloud processes in weather and climate models is crucial for their feedback on atmospheric flows. Since there is no general macroscopic theory of clouds, the parameterization of clouds in corresponding simulation software depends crucially on the underlying modeling assumptions. In this study we present a new model of inter-mediate complexity (a one-and-a-half moment scheme) for warm clouds, which is derived from physical principles. Our model consists of a system of differential-algebraic equations which allows for supersaturation and comprises intrinsic automated drople"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11421","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":"2026-05-17T23:59:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sAPNUFNOo/LFJGOkeCG5J5K8Ad0zZnUEqCGcgIxv1RzP8EoqLn0I19DlmFGlOxVYe0jq53leWG/Dj/6EFVyLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:08:24.577983Z"},"content_sha256":"01107f07f41893457ff6b87d7ea6739db773094daefce450f88bff2f81d5661d","schema_version":"1.0","event_id":"sha256:01107f07f41893457ff6b87d7ea6739db773094daefce450f88bff2f81d5661d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CFSC3XRXBLNFUU6SC75EMQIW6H/bundle.json","state_url":"https://pith.science/pith/CFSC3XRXBLNFUU6SC75EMQIW6H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CFSC3XRXBLNFUU6SC75EMQIW6H/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":"2026-06-02T03:08:24Z","links":{"resolver":"https://pith.science/pith/CFSC3XRXBLNFUU6SC75EMQIW6H","bundle":"https://pith.science/pith/CFSC3XRXBLNFUU6SC75EMQIW6H/bundle.json","state":"https://pith.science/pith/CFSC3XRXBLNFUU6SC75EMQIW6H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CFSC3XRXBLNFUU6SC75EMQIW6H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CFSC3XRXBLNFUU6SC75EMQIW6H","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":"cdd6d528b541f8751258831d515c11850c30023213e63a1a9b99b4ec69235704","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2018-11-28T07:45:31Z","title_canon_sha256":"e86d002d01f3e11eb9ceb32717c69414f23d36ae4d41c6a1f5e43f3c59dba98c"},"schema_version":"1.0","source":{"id":"1811.11421","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11421","created_at":"2026-05-17T23:59:43Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11421v1","created_at":"2026-05-17T23:59:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11421","created_at":"2026-05-17T23:59:43Z"},{"alias_kind":"pith_short_12","alias_value":"CFSC3XRXBLNF","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CFSC3XRXBLNFUU6S","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CFSC3XRX","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:01107f07f41893457ff6b87d7ea6739db773094daefce450f88bff2f81d5661d","target":"graph","created_at":"2026-05-17T23:59:43Z","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 representation of cloud processes in weather and climate models is crucial for their feedback on atmospheric flows. Since there is no general macroscopic theory of clouds, the parameterization of clouds in corresponding simulation software depends crucially on the underlying modeling assumptions. In this study we present a new model of inter-mediate complexity (a one-and-a-half moment scheme) for warm clouds, which is derived from physical principles. Our model consists of a system of differential-algebraic equations which allows for supersaturation and comprises intrinsic automated drople","authors_text":"Manuel Baumgartner, Martin Hanke, Nikolas Porz, Peter Spichtinger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2018-11-28T07:45:31Z","title":"A model for warm clouds with implicit droplet activation, avoiding saturation adjustment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11421","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:fbd02560192b0afe8c6dede0afe405d8e1e426132198d2cc4b64bccf7e95a9c4","target":"record","created_at":"2026-05-17T23:59:43Z","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":"cdd6d528b541f8751258831d515c11850c30023213e63a1a9b99b4ec69235704","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2018-11-28T07:45:31Z","title_canon_sha256":"e86d002d01f3e11eb9ceb32717c69414f23d36ae4d41c6a1f5e43f3c59dba98c"},"schema_version":"1.0","source":{"id":"1811.11421","kind":"arxiv","version":1}},"canonical_sha256":"11642dde370ada5a53d217fa464116f1db404fe92dee866b7d89b04155fc4390","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11642dde370ada5a53d217fa464116f1db404fe92dee866b7d89b04155fc4390","first_computed_at":"2026-05-17T23:59:43.027722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:43.027722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HZyYDUgY67st2dkcJE7RsDZD7qRxkDeuqRuN9SSKXcrHUvMYh40O55UOwzzn4rF5/PkVEO4IB5JX0676D3YECQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:43.028236Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.11421","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fbd02560192b0afe8c6dede0afe405d8e1e426132198d2cc4b64bccf7e95a9c4","sha256:01107f07f41893457ff6b87d7ea6739db773094daefce450f88bff2f81d5661d"],"state_sha256":"33c9f4cf8f77abca80aa8be6f2fe708d906fd083505b2f139da9f09e872c0231"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GoS3xxGfT0Xv66mSpYQ4jqe5lubUapweXk89x2k/gue5io2j5o9DOFfvU87zlLS2iGTuoIF8Im9zMdtuF3BUDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T03:08:24.579941Z","bundle_sha256":"14a4ce04d2ccdd96a2e3173868d7bd09b15fd178ffc4e289822f323b28d8341a"}}