{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KLO6D5JNQHY7EWA453ZN6PD4B4","short_pith_number":"pith:KLO6D5JN","canonical_record":{"source":{"id":"2507.13146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-17T14:10:51Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"50b6363ffec6d170e7f21562de834b0a5729b62c92cec47b840164a3205aa5d8","abstract_canon_sha256":"caf18af79230e4a1bad73af76a3e31ecfd3c33787bf1fbf40e77f222f447fc78"},"schema_version":"1.0"},"canonical_sha256":"52dde1f52d81f1f2581ceef2df3c7c0f0432c533076dbb48ccc60cded32bca62","source":{"kind":"arxiv","id":"2507.13146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.13146","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"2507.13146v1","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.13146","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"KLO6D5JNQHY7","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"pith_short_16","alias_value":"KLO6D5JNQHY7EWA4","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"pith_short_8","alias_value":"KLO6D5JN","created_at":"2026-07-05T11:38:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KLO6D5JNQHY7EWA453ZN6PD4B4","target":"record","payload":{"canonical_record":{"source":{"id":"2507.13146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-17T14:10:51Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"50b6363ffec6d170e7f21562de834b0a5729b62c92cec47b840164a3205aa5d8","abstract_canon_sha256":"caf18af79230e4a1bad73af76a3e31ecfd3c33787bf1fbf40e77f222f447fc78"},"schema_version":"1.0"},"canonical_sha256":"52dde1f52d81f1f2581ceef2df3c7c0f0432c533076dbb48ccc60cded32bca62","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:38:55.414644Z","signature_b64":"X9BClzTTN4MgmbkhCI49ydcfMEC9sOXDsKrDWvBOZAnY4mwhSLxqUe8Kxh3Z821pLs8O/6Y92scI+GIxaG4ECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52dde1f52d81f1f2581ceef2df3c7c0f0432c533076dbb48ccc60cded32bca62","last_reissued_at":"2026-07-05T11:38:55.414193Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:38:55.414193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.13146","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":"2026-07-05T11:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1hN2h4sSqEmEvauaOEgg3usSa9kG4iiX9bD/AR+K8Vmy74O+r0A3ZeRT2pKauWEVJ+ya3ax8o2liAGrPg9YJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:51:32.600928Z"},"content_sha256":"342dbb6b92918307afa6353367dafb86dd4376fbf7e1d5b909cd8ea4f6a12486","schema_version":"1.0","event_id":"sha256:342dbb6b92918307afa6353367dafb86dd4376fbf7e1d5b909cd8ea4f6a12486"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KLO6D5JNQHY7EWA453ZN6PD4B4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"fastWDM3D: Fast and Accurate 3D Healthy Tissue Inpainting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Alicia Durrer, Bjoern Menze, Florentin Bieder, Florian Kofler, Paul Friedrich, Philippe C. Cattin","submitted_at":"2025-07-17T14:10:51Z","abstract_excerpt":"Healthy tissue inpainting has significant applications, including the generation of pseudo-healthy baselines for tumor growth models and the facilitation of image registration. In previous editions of the BraTS Local Synthesis of Healthy Brain Tissue via Inpainting Challenge, denoising diffusion probabilistic models (DDPMs) demonstrated qualitatively convincing results but suffered from low sampling speed. To mitigate this limitation, we adapted a 2D image generation approach, combining DDPMs with generative adversarial networks (GANs) and employing a variance-preserving noise schedule, for th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.13146","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/2507.13146/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":"2026-07-05T11:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I2lWBkk8qynz6w14oSUlOj+R4kNvXLo6DQLEHCWBpEXH8BaS469jLw8gUT7SKpQ1ZewXpbQ+bu8wlJqOYeMyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:51:32.601797Z"},"content_sha256":"19ab3ae017638d8df6dd4ee0d98e3f34f5e1bbf44778bb922f95503707de8ce7","schema_version":"1.0","event_id":"sha256:19ab3ae017638d8df6dd4ee0d98e3f34f5e1bbf44778bb922f95503707de8ce7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLO6D5JNQHY7EWA453ZN6PD4B4/bundle.json","state_url":"https://pith.science/pith/KLO6D5JNQHY7EWA453ZN6PD4B4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLO6D5JNQHY7EWA453ZN6PD4B4/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":"2026-08-06T20:51:32Z","links":{"resolver":"https://pith.science/pith/KLO6D5JNQHY7EWA453ZN6PD4B4","bundle":"https://pith.science/pith/KLO6D5JNQHY7EWA453ZN6PD4B4/bundle.json","state":"https://pith.science/pith/KLO6D5JNQHY7EWA453ZN6PD4B4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLO6D5JNQHY7EWA453ZN6PD4B4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KLO6D5JNQHY7EWA453ZN6PD4B4","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":"caf18af79230e4a1bad73af76a3e31ecfd3c33787bf1fbf40e77f222f447fc78","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-17T14:10:51Z","title_canon_sha256":"50b6363ffec6d170e7f21562de834b0a5729b62c92cec47b840164a3205aa5d8"},"schema_version":"1.0","source":{"id":"2507.13146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.13146","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"2507.13146v1","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.13146","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"KLO6D5JNQHY7","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"pith_short_16","alias_value":"KLO6D5JNQHY7EWA4","created_at":"2026-07-05T11:38:55Z"},{"alias_kind":"pith_short_8","alias_value":"KLO6D5JN","created_at":"2026-07-05T11:38:55Z"}],"graph_snapshots":[{"event_id":"sha256:19ab3ae017638d8df6dd4ee0d98e3f34f5e1bbf44778bb922f95503707de8ce7","target":"graph","created_at":"2026-07-05T11:38:55Z","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/2507.13146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Healthy tissue inpainting has significant applications, including the generation of pseudo-healthy baselines for tumor growth models and the facilitation of image registration. In previous editions of the BraTS Local Synthesis of Healthy Brain Tissue via Inpainting Challenge, denoising diffusion probabilistic models (DDPMs) demonstrated qualitatively convincing results but suffered from low sampling speed. To mitigate this limitation, we adapted a 2D image generation approach, combining DDPMs with generative adversarial networks (GANs) and employing a variance-preserving noise schedule, for th","authors_text":"Alicia Durrer, Bjoern Menze, Florentin Bieder, Florian Kofler, Paul Friedrich, Philippe C. Cattin","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-17T14:10:51Z","title":"fastWDM3D: Fast and Accurate 3D Healthy Tissue Inpainting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.13146","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":"sha256:342dbb6b92918307afa6353367dafb86dd4376fbf7e1d5b909cd8ea4f6a12486","target":"record","created_at":"2026-07-05T11:38:55Z","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":"caf18af79230e4a1bad73af76a3e31ecfd3c33787bf1fbf40e77f222f447fc78","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-17T14:10:51Z","title_canon_sha256":"50b6363ffec6d170e7f21562de834b0a5729b62c92cec47b840164a3205aa5d8"},"schema_version":"1.0","source":{"id":"2507.13146","kind":"arxiv","version":1}},"canonical_sha256":"52dde1f52d81f1f2581ceef2df3c7c0f0432c533076dbb48ccc60cded32bca62","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52dde1f52d81f1f2581ceef2df3c7c0f0432c533076dbb48ccc60cded32bca62","first_computed_at":"2026-07-05T11:38:55.414193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:38:55.414193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X9BClzTTN4MgmbkhCI49ydcfMEC9sOXDsKrDWvBOZAnY4mwhSLxqUe8Kxh3Z821pLs8O/6Y92scI+GIxaG4ECg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:38:55.414644Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.13146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:342dbb6b92918307afa6353367dafb86dd4376fbf7e1d5b909cd8ea4f6a12486","sha256:19ab3ae017638d8df6dd4ee0d98e3f34f5e1bbf44778bb922f95503707de8ce7"],"state_sha256":"07f4c14c298dacb0ad4968ac0247731a991f4063d08e683162eba334b991251d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ur4DJI/5DsGnTj7IbOxUDTXX+dkiPBfqemJ42AO6T5TSueNovdQINo31eUQxc40IKjKO9+wxgm524jLKz5zCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T20:51:32.605534Z","bundle_sha256":"74937e6b19e800676ec67545bf8afca67b63b599c92ae5ddb707e037901e27b2"}}