{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:B75AIHYKTJFP2ASOG3U5TWW6LS","short_pith_number":"pith:B75AIHYK","canonical_record":{"source":{"id":"2507.13404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-17T00:36:51Z","cross_cats_sorted":[],"title_canon_sha256":"7d270084449b2c9f410ba6032b404ed958ab068b7b5a1cc391d83c98511ae97e","abstract_canon_sha256":"be3e5726e0a00d69840ce72624a6b489b7ca3736af444dc1b8f33febce7095ad"},"schema_version":"1.0"},"canonical_sha256":"0ffa041f0a9a4afd024e36e9d9dade5ca1e3c82b8c8aefc7953c5db0e3059bb9","source":{"kind":"arxiv","id":"2507.13404","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.13404","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"2507.13404v1","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.13404","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"B75AIHYKTJFP","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"pith_short_16","alias_value":"B75AIHYKTJFP2ASO","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"pith_short_8","alias_value":"B75AIHYK","created_at":"2026-07-05T11:39:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:B75AIHYKTJFP2ASOG3U5TWW6LS","target":"record","payload":{"canonical_record":{"source":{"id":"2507.13404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-17T00:36:51Z","cross_cats_sorted":[],"title_canon_sha256":"7d270084449b2c9f410ba6032b404ed958ab068b7b5a1cc391d83c98511ae97e","abstract_canon_sha256":"be3e5726e0a00d69840ce72624a6b489b7ca3736af444dc1b8f33febce7095ad"},"schema_version":"1.0"},"canonical_sha256":"0ffa041f0a9a4afd024e36e9d9dade5ca1e3c82b8c8aefc7953c5db0e3059bb9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:39:16.939107Z","signature_b64":"TI1hU86+GtWSgXK1Q5VxfhGnbp2vX7+Y0rXRT5lxOsg9dltCxDNrwoOmAcOVkCC1iCF7oAbZVp9OCD8Yc/+rDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ffa041f0a9a4afd024e36e9d9dade5ca1e3c82b8c8aefc7953c5db0e3059bb9","last_reissued_at":"2026-07-05T11:39:16.938593Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:39:16.938593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.13404","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":"2026-07-05T11:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E9UXTNiaOkveVEc7Myfk3cV2N+6g+rnWBCKomhvguD+Pa9p9obkGlpSjIKDfYKxESxgHcZlnW9WAJj5qZ0BqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:21:35.401224Z"},"content_sha256":"7ffb277d091320de7808e5baa3e71eb8b2778447a77f884a5d560bff6b5e206b","schema_version":"1.0","event_id":"sha256:7ffb277d091320de7808e5baa3e71eb8b2778447a77f884a5d560bff6b5e206b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:B75AIHYKTJFP2ASOG3U5TWW6LS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AortaDiff: Volume-Guided Conditional Diffusion Models for Multi-Branch Aortic Surface Generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chaoli Wang, Delin An, Jian-Xun Wang, Pan Du","submitted_at":"2025-07-17T00:36:51Z","abstract_excerpt":"Accurate 3D aortic construction is crucial for clinical diagnosis, preoperative planning, and computational fluid dynamics (CFD) simulations, as it enables the estimation of critical hemodynamic parameters such as blood flow velocity, pressure distribution, and wall shear stress. Existing construction methods often rely on large annotated training datasets and extensive manual intervention. While the resulting meshes can serve for visualization purposes, they struggle to produce geometrically consistent, well-constructed surfaces suitable for downstream CFD analysis. To address these challenge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.13404","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/2507.13404/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":"2026-07-05T11:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bsc6dAzGokpND8bnWQZjaXki+wP18YWQTNvSeDdaQy9m1N0YPDI3BMPf+YIaqdTCVdgxNIx5PHcul9gzartDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:21:35.402342Z"},"content_sha256":"d99bf17d56f9ccd7ed7a13232dd486c8abda96666e84aea20f3a24705981b94c","schema_version":"1.0","event_id":"sha256:d99bf17d56f9ccd7ed7a13232dd486c8abda96666e84aea20f3a24705981b94c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B75AIHYKTJFP2ASOG3U5TWW6LS/bundle.json","state_url":"https://pith.science/pith/B75AIHYKTJFP2ASOG3U5TWW6LS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B75AIHYKTJFP2ASOG3U5TWW6LS/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":"2026-08-13T10:21:35Z","links":{"resolver":"https://pith.science/pith/B75AIHYKTJFP2ASOG3U5TWW6LS","bundle":"https://pith.science/pith/B75AIHYKTJFP2ASOG3U5TWW6LS/bundle.json","state":"https://pith.science/pith/B75AIHYKTJFP2ASOG3U5TWW6LS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B75AIHYKTJFP2ASOG3U5TWW6LS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:B75AIHYKTJFP2ASOG3U5TWW6LS","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":"be3e5726e0a00d69840ce72624a6b489b7ca3736af444dc1b8f33febce7095ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-17T00:36:51Z","title_canon_sha256":"7d270084449b2c9f410ba6032b404ed958ab068b7b5a1cc391d83c98511ae97e"},"schema_version":"1.0","source":{"id":"2507.13404","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.13404","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"2507.13404v1","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.13404","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"B75AIHYKTJFP","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"pith_short_16","alias_value":"B75AIHYKTJFP2ASO","created_at":"2026-07-05T11:39:16Z"},{"alias_kind":"pith_short_8","alias_value":"B75AIHYK","created_at":"2026-07-05T11:39:16Z"}],"graph_snapshots":[{"event_id":"sha256:d99bf17d56f9ccd7ed7a13232dd486c8abda96666e84aea20f3a24705981b94c","target":"graph","created_at":"2026-07-05T11:39:16Z","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/2507.13404/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate 3D aortic construction is crucial for clinical diagnosis, preoperative planning, and computational fluid dynamics (CFD) simulations, as it enables the estimation of critical hemodynamic parameters such as blood flow velocity, pressure distribution, and wall shear stress. Existing construction methods often rely on large annotated training datasets and extensive manual intervention. While the resulting meshes can serve for visualization purposes, they struggle to produce geometrically consistent, well-constructed surfaces suitable for downstream CFD analysis. To address these challenge","authors_text":"Chaoli Wang, Delin An, Jian-Xun Wang, Pan Du","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-17T00:36:51Z","title":"AortaDiff: Volume-Guided Conditional Diffusion Models for Multi-Branch Aortic Surface Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.13404","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":"sha256:7ffb277d091320de7808e5baa3e71eb8b2778447a77f884a5d560bff6b5e206b","target":"record","created_at":"2026-07-05T11:39:16Z","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":"be3e5726e0a00d69840ce72624a6b489b7ca3736af444dc1b8f33febce7095ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-17T00:36:51Z","title_canon_sha256":"7d270084449b2c9f410ba6032b404ed958ab068b7b5a1cc391d83c98511ae97e"},"schema_version":"1.0","source":{"id":"2507.13404","kind":"arxiv","version":1}},"canonical_sha256":"0ffa041f0a9a4afd024e36e9d9dade5ca1e3c82b8c8aefc7953c5db0e3059bb9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ffa041f0a9a4afd024e36e9d9dade5ca1e3c82b8c8aefc7953c5db0e3059bb9","first_computed_at":"2026-07-05T11:39:16.938593Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:39:16.938593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TI1hU86+GtWSgXK1Q5VxfhGnbp2vX7+Y0rXRT5lxOsg9dltCxDNrwoOmAcOVkCC1iCF7oAbZVp9OCD8Yc/+rDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:39:16.939107Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.13404","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ffb277d091320de7808e5baa3e71eb8b2778447a77f884a5d560bff6b5e206b","sha256:d99bf17d56f9ccd7ed7a13232dd486c8abda96666e84aea20f3a24705981b94c"],"state_sha256":"2dc664fb79ea4e591c2345e113b81142949b9650c0cbc38e532ed79fa9e91b59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fe/hrMuYJjgXCCA2Ult3EhEaDPsOhdPHlzPq5VOCX35r4ThIKssDyvOZRIf9nEo528H4gU2rKaWZ9/CATz5KCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T10:21:35.405684Z","bundle_sha256":"61528fb5a62b6fd7a006043b0f91077423051679f77b17ec7e6fc7dad49d3ad0"}}