{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2LMX3IIO7HCTA2XQSDILNHUZH2","short_pith_number":"pith:2LMX3IIO","canonical_record":{"source":{"id":"2507.16573","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-22T13:24:45Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"899fa2555ddf9c19422a0c74e761b90e5b08c9ef0a072500c2360903cb2b8bd2","abstract_canon_sha256":"040978ba7a9b5f18831df90dfb53d43c2c579e3bc94eeee5c4e9e7e36d522f0e"},"schema_version":"1.0"},"canonical_sha256":"d2d97da10ef9c5306af090d0b69e993eb3b8f36dfdf3661c091aac98d363680a","source":{"kind":"arxiv","id":"2507.16573","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.16573","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"2507.16573v1","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16573","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"2LMX3IIO7HCT","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"pith_short_16","alias_value":"2LMX3IIO7HCTA2XQ","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"pith_short_8","alias_value":"2LMX3IIO","created_at":"2026-07-05T11:41:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2LMX3IIO7HCTA2XQSDILNHUZH2","target":"record","payload":{"canonical_record":{"source":{"id":"2507.16573","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-22T13:24:45Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"899fa2555ddf9c19422a0c74e761b90e5b08c9ef0a072500c2360903cb2b8bd2","abstract_canon_sha256":"040978ba7a9b5f18831df90dfb53d43c2c579e3bc94eeee5c4e9e7e36d522f0e"},"schema_version":"1.0"},"canonical_sha256":"d2d97da10ef9c5306af090d0b69e993eb3b8f36dfdf3661c091aac98d363680a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:41:12.365906Z","signature_b64":"c7t5Mn/VrZSRLXwtv88kTSb6KKBpHcyanRWROv1o7o/qBTSLSXn7uNJ1fFZgPa7CmnO9gqXMPawjBw4fP8ujCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2d97da10ef9c5306af090d0b69e993eb3b8f36dfdf3661c091aac98d363680a","last_reissued_at":"2026-07-05T11:41:12.364937Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:41:12.364937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.16573","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":"2026-07-05T11:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bo8RNR24zXd3O9QGIS7s7Ao3vRVZrFC6OITQp/ynXVW9ldOoQVJbUo5t0x0BAyJZwAy+IGTHA6H96HPK9xizBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T23:30:58.209024Z"},"content_sha256":"37450cbb6878dbfd3536450e2861f9e6130cd7a60ea4c23fc07d932e43ab4cf1","schema_version":"1.0","event_id":"sha256:37450cbb6878dbfd3536450e2861f9e6130cd7a60ea4c23fc07d932e43ab4cf1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2LMX3IIO7HCTA2XQSDILNHUZH2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semantic Segmentation for Preoperative Planning in Transcatheter Aortic Valve Replacement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Alexander Jaus, Amroalalaa Sholi, Cedric Z\\\"ollner, Rainer Stiefelhagen, Ralf Sodian, Simon Rei{\\ss}","submitted_at":"2025-07-22T13:24:45Z","abstract_excerpt":"When preoperative planning for surgeries is conducted on the basis of medical images, artificial intelligence methods can support medical doctors during assessment. In this work, we consider medical guidelines for preoperative planning of the transcatheter aortic valve replacement (TAVR) and identify tasks, that may be supported via semantic segmentation models by making relevant anatomical structures measurable in computed tomography scans. We first derive fine-grained TAVR-relevant pseudo-labels from coarse-grained anatomical information, in order to train segmentation models and quantify ho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16573","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/2507.16573/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":"2026-07-05T11:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F2Duvl1aC2Gm9MRGU3ekLIJAFvmqc9hFIJH1lW1/1odk66tKo/ZPZKMXUMU2AQUmXMV6TujZ/fu2CaAaw65hBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T23:30:58.209535Z"},"content_sha256":"42e8d7a0dc535c760dcea72435f3793e9f0387352aa4b71c914e6803d30c2416","schema_version":"1.0","event_id":"sha256:42e8d7a0dc535c760dcea72435f3793e9f0387352aa4b71c914e6803d30c2416"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2LMX3IIO7HCTA2XQSDILNHUZH2/bundle.json","state_url":"https://pith.science/pith/2LMX3IIO7HCTA2XQSDILNHUZH2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2LMX3IIO7HCTA2XQSDILNHUZH2/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":"2026-08-08T23:30:58Z","links":{"resolver":"https://pith.science/pith/2LMX3IIO7HCTA2XQSDILNHUZH2","bundle":"https://pith.science/pith/2LMX3IIO7HCTA2XQSDILNHUZH2/bundle.json","state":"https://pith.science/pith/2LMX3IIO7HCTA2XQSDILNHUZH2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2LMX3IIO7HCTA2XQSDILNHUZH2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2LMX3IIO7HCTA2XQSDILNHUZH2","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":"040978ba7a9b5f18831df90dfb53d43c2c579e3bc94eeee5c4e9e7e36d522f0e","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-22T13:24:45Z","title_canon_sha256":"899fa2555ddf9c19422a0c74e761b90e5b08c9ef0a072500c2360903cb2b8bd2"},"schema_version":"1.0","source":{"id":"2507.16573","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.16573","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"2507.16573v1","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16573","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"2LMX3IIO7HCT","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"pith_short_16","alias_value":"2LMX3IIO7HCTA2XQ","created_at":"2026-07-05T11:41:12Z"},{"alias_kind":"pith_short_8","alias_value":"2LMX3IIO","created_at":"2026-07-05T11:41:12Z"}],"graph_snapshots":[{"event_id":"sha256:42e8d7a0dc535c760dcea72435f3793e9f0387352aa4b71c914e6803d30c2416","target":"graph","created_at":"2026-07-05T11:41:12Z","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/2507.16573/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When preoperative planning for surgeries is conducted on the basis of medical images, artificial intelligence methods can support medical doctors during assessment. In this work, we consider medical guidelines for preoperative planning of the transcatheter aortic valve replacement (TAVR) and identify tasks, that may be supported via semantic segmentation models by making relevant anatomical structures measurable in computed tomography scans. We first derive fine-grained TAVR-relevant pseudo-labels from coarse-grained anatomical information, in order to train segmentation models and quantify ho","authors_text":"Alexander Jaus, Amroalalaa Sholi, Cedric Z\\\"ollner, Rainer Stiefelhagen, Ralf Sodian, Simon Rei{\\ss}","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-22T13:24:45Z","title":"Semantic Segmentation for Preoperative Planning in Transcatheter Aortic Valve Replacement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16573","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":"sha256:37450cbb6878dbfd3536450e2861f9e6130cd7a60ea4c23fc07d932e43ab4cf1","target":"record","created_at":"2026-07-05T11:41:12Z","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":"040978ba7a9b5f18831df90dfb53d43c2c579e3bc94eeee5c4e9e7e36d522f0e","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-07-22T13:24:45Z","title_canon_sha256":"899fa2555ddf9c19422a0c74e761b90e5b08c9ef0a072500c2360903cb2b8bd2"},"schema_version":"1.0","source":{"id":"2507.16573","kind":"arxiv","version":1}},"canonical_sha256":"d2d97da10ef9c5306af090d0b69e993eb3b8f36dfdf3661c091aac98d363680a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2d97da10ef9c5306af090d0b69e993eb3b8f36dfdf3661c091aac98d363680a","first_computed_at":"2026-07-05T11:41:12.364937Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:41:12.364937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c7t5Mn/VrZSRLXwtv88kTSb6KKBpHcyanRWROv1o7o/qBTSLSXn7uNJ1fFZgPa7CmnO9gqXMPawjBw4fP8ujCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:41:12.365906Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.16573","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37450cbb6878dbfd3536450e2861f9e6130cd7a60ea4c23fc07d932e43ab4cf1","sha256:42e8d7a0dc535c760dcea72435f3793e9f0387352aa4b71c914e6803d30c2416"],"state_sha256":"ccf5c395a05ce6a7db71de43a5e9a6c89f75d722fc9dfc41035225945afa7438"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fTctpLhC9tR3jQ/jldFqkw8WiRWBaicXXqHtbKKXAYEdWJwXXX0nrAMokfANqCMHJIoCcEm0SZHOW95Ic6IEBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T23:30:58.214974Z","bundle_sha256":"9d7f1d253714c8a92318046f0e34d34d417a894ee13a4678a8e251d2f25a46c6"}}