{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UVA5WZTOHDEMYAN5S2TTRH3SSW","short_pith_number":"pith:UVA5WZTO","canonical_record":{"source":{"id":"2403.13850","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2024-03-18T14:57:47Z","cross_cats_sorted":["cs.AI","physics.flu-dyn"],"title_canon_sha256":"2cf74c00fc949e4a2343982afc4f0debea612ce835314b6f03fb1033010630ac","abstract_canon_sha256":"13f05f1bb70e3e735290bc6b57a1ea8e1edd735333433a366974521e3b8fcda6"},"schema_version":"1.0"},"canonical_sha256":"a541db666e38c8cc01bd96a7389f7295b96b00f176e123d4bd9419649d5b10b0","source":{"kind":"arxiv","id":"2403.13850","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.13850","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"2403.13850v1","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.13850","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"UVA5WZTOHDEM","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"pith_short_16","alias_value":"UVA5WZTOHDEMYAN5","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"pith_short_8","alias_value":"UVA5WZTO","created_at":"2026-07-05T07:58:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UVA5WZTOHDEMYAN5S2TTRH3SSW","target":"record","payload":{"canonical_record":{"source":{"id":"2403.13850","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2024-03-18T14:57:47Z","cross_cats_sorted":["cs.AI","physics.flu-dyn"],"title_canon_sha256":"2cf74c00fc949e4a2343982afc4f0debea612ce835314b6f03fb1033010630ac","abstract_canon_sha256":"13f05f1bb70e3e735290bc6b57a1ea8e1edd735333433a366974521e3b8fcda6"},"schema_version":"1.0"},"canonical_sha256":"a541db666e38c8cc01bd96a7389f7295b96b00f176e123d4bd9419649d5b10b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:58:50.991329Z","signature_b64":"X18QkrWq3xz4/wnKVWUIix2vRb/CFIC3HM4kgsLb8KmIkuQ8gehj8h95Ia9vymJqioWWpRaXTBnM/159LVcACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a541db666e38c8cc01bd96a7389f7295b96b00f176e123d4bd9419649d5b10b0","last_reissued_at":"2026-07-05T07:58:50.990696Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:58:50.990696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.13850","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":"2026-07-05T07:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7Mkg89nPVK/38Vxge4PBz9e88QF9C27jJ01sUdukkudSkbSNhRa+Vsy6PaRfSh80FXSm3mQSZHktokcapu5Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T03:02:42.510825Z"},"content_sha256":"1a8ef4234181f94a6a2751fa03953e4ae6a6ae301c62099384e4a4eca948cde3","schema_version":"1.0","event_id":"sha256:1a8ef4234181f94a6a2751fa03953e4ae6a6ae301c62099384e4a4eca948cde3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UVA5WZTOHDEMYAN5S2TTRH3SSW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatio-Temporal Fluid Dynamics Modeling via Physical-Awareness and Parameter Diffusion Guidance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","physics.flu-dyn"],"primary_cat":"cs.LG","authors_text":"Fan Xu, Gaofeng Lu, Hao Wu, Kun Wang, Weiyan Wang, Yang Wang, Yifan Duan, Yuxuan Liang, Ziwei Niu","submitted_at":"2024-03-18T14:57:47Z","abstract_excerpt":"This paper proposes a two-stage framework named ST-PAD for spatio-temporal fluid dynamics modeling in the field of earth sciences, aiming to achieve high-precision simulation and prediction of fluid dynamics through spatio-temporal physics awareness and parameter diffusion guidance. In the upstream stage, we design a vector quantization reconstruction module with temporal evolution characteristics, ensuring balanced and resilient parameter distribution by introducing general physical constraints. In the downstream stage, a diffusion probability network involving parameters is utilized to gener"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.13850","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/2403.13850/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":"2026-07-05T07:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W9//FoyAVCTuicIXVoDN+132Yo7vqfgDiKK0+6+GU8YVj0NPJiVtHUTMFhe1BteUwnRwUkEe5SVKBf8GgplcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T03:02:42.511333Z"},"content_sha256":"abc1e243e62592db97e94057e3dffe47014a92914623bb8bcdf82380162de43a","schema_version":"1.0","event_id":"sha256:abc1e243e62592db97e94057e3dffe47014a92914623bb8bcdf82380162de43a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW/bundle.json","state_url":"https://pith.science/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW/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":"2026-08-06T03:02:42Z","links":{"resolver":"https://pith.science/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW","bundle":"https://pith.science/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW/bundle.json","state":"https://pith.science/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVA5WZTOHDEMYAN5S2TTRH3SSW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UVA5WZTOHDEMYAN5S2TTRH3SSW","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":"13f05f1bb70e3e735290bc6b57a1ea8e1edd735333433a366974521e3b8fcda6","cross_cats_sorted":["cs.AI","physics.flu-dyn"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2024-03-18T14:57:47Z","title_canon_sha256":"2cf74c00fc949e4a2343982afc4f0debea612ce835314b6f03fb1033010630ac"},"schema_version":"1.0","source":{"id":"2403.13850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.13850","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"2403.13850v1","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.13850","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"UVA5WZTOHDEM","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"pith_short_16","alias_value":"UVA5WZTOHDEMYAN5","created_at":"2026-07-05T07:58:50Z"},{"alias_kind":"pith_short_8","alias_value":"UVA5WZTO","created_at":"2026-07-05T07:58:50Z"}],"graph_snapshots":[{"event_id":"sha256:abc1e243e62592db97e94057e3dffe47014a92914623bb8bcdf82380162de43a","target":"graph","created_at":"2026-07-05T07:58:50Z","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/2403.13850/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper proposes a two-stage framework named ST-PAD for spatio-temporal fluid dynamics modeling in the field of earth sciences, aiming to achieve high-precision simulation and prediction of fluid dynamics through spatio-temporal physics awareness and parameter diffusion guidance. In the upstream stage, we design a vector quantization reconstruction module with temporal evolution characteristics, ensuring balanced and resilient parameter distribution by introducing general physical constraints. In the downstream stage, a diffusion probability network involving parameters is utilized to gener","authors_text":"Fan Xu, Gaofeng Lu, Hao Wu, Kun Wang, Weiyan Wang, Yang Wang, Yifan Duan, Yuxuan Liang, Ziwei Niu","cross_cats":["cs.AI","physics.flu-dyn"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2024-03-18T14:57:47Z","title":"Spatio-Temporal Fluid Dynamics Modeling via Physical-Awareness and Parameter Diffusion Guidance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.13850","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":"sha256:1a8ef4234181f94a6a2751fa03953e4ae6a6ae301c62099384e4a4eca948cde3","target":"record","created_at":"2026-07-05T07:58:50Z","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":"13f05f1bb70e3e735290bc6b57a1ea8e1edd735333433a366974521e3b8fcda6","cross_cats_sorted":["cs.AI","physics.flu-dyn"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2024-03-18T14:57:47Z","title_canon_sha256":"2cf74c00fc949e4a2343982afc4f0debea612ce835314b6f03fb1033010630ac"},"schema_version":"1.0","source":{"id":"2403.13850","kind":"arxiv","version":1}},"canonical_sha256":"a541db666e38c8cc01bd96a7389f7295b96b00f176e123d4bd9419649d5b10b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a541db666e38c8cc01bd96a7389f7295b96b00f176e123d4bd9419649d5b10b0","first_computed_at":"2026-07-05T07:58:50.990696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:58:50.990696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X18QkrWq3xz4/wnKVWUIix2vRb/CFIC3HM4kgsLb8KmIkuQ8gehj8h95Ia9vymJqioWWpRaXTBnM/159LVcACQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:58:50.991329Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.13850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a8ef4234181f94a6a2751fa03953e4ae6a6ae301c62099384e4a4eca948cde3","sha256:abc1e243e62592db97e94057e3dffe47014a92914623bb8bcdf82380162de43a"],"state_sha256":"5abebf3e494a1621c052d415dde2dffe301a0874b28f7af1d5149c6e92a80333"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+lvSn0RutE2DyK6vxgeNZw//bB2OEodspp9qBLKxE9SFEQ//lV4Fu4NDCU4u8JRyR0h9asKO+8MTM+U3EIjBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T03:02:42.516966Z","bundle_sha256":"548452bcbebc3a500a46ab3f7ca7af5c41eb07e63c653b6fa8fde6e95031ec81"}}