{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:67AS6X677TJ2LXEK4F36NCKANW","short_pith_number":"pith:67AS6X67","canonical_record":{"source":{"id":"2501.18433","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2025-01-30T15:39:03Z","cross_cats_sorted":[],"title_canon_sha256":"ad169bb7e6d0cd3cec79a1cbcca6092e18d892ec29b380d2071215044f078e64","abstract_canon_sha256":"df863c2ace6763fea6f4fa4055de583ce51eae3c7212c2f0c941dd12a777fdf9"},"schema_version":"1.0"},"canonical_sha256":"f7c12f5fdffcd3a5dc8ae177e689406d9f51c35a81766715d391df1b96cf4be5","source":{"kind":"arxiv","id":"2501.18433","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.18433","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"arxiv_version","alias_value":"2501.18433v2","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.18433","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"pith_short_12","alias_value":"67AS6X677TJ2","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"pith_short_16","alias_value":"67AS6X677TJ2LXEK","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"pith_short_8","alias_value":"67AS6X67","created_at":"2026-07-05T11:35:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:67AS6X677TJ2LXEK4F36NCKANW","target":"record","payload":{"canonical_record":{"source":{"id":"2501.18433","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2025-01-30T15:39:03Z","cross_cats_sorted":[],"title_canon_sha256":"ad169bb7e6d0cd3cec79a1cbcca6092e18d892ec29b380d2071215044f078e64","abstract_canon_sha256":"df863c2ace6763fea6f4fa4055de583ce51eae3c7212c2f0c941dd12a777fdf9"},"schema_version":"1.0"},"canonical_sha256":"f7c12f5fdffcd3a5dc8ae177e689406d9f51c35a81766715d391df1b96cf4be5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:35:11.916585Z","signature_b64":"RJXdbus2YWywbbl4QNnwGF21Luoz03ilPwYyiWdLdE/JTgsiO9pZqoQbL6+J/81f05d3qP5QZWSsMa7jSSsQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7c12f5fdffcd3a5dc8ae177e689406d9f51c35a81766715d391df1b96cf4be5","last_reissued_at":"2026-07-05T11:35:11.916114Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:35:11.916114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.18433","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:35:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LTYTgdpkE4ut1gNidRb9Cw9O3M1A7fYhD5xWhO9kL5K5g/xydPMiEdNgOS9kVWosT+5doyvKGhTOoHX8/mX9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T21:15:24.645570Z"},"content_sha256":"016d8bd75e3d8fd045d8b9e49a9cace7201d52cf494a250d17123e0d6439f2b0","schema_version":"1.0","event_id":"sha256:016d8bd75e3d8fd045d8b9e49a9cace7201d52cf494a250d17123e0d6439f2b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:67AS6X677TJ2LXEK4F36NCKANW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Comparative Dosimetric Study of Proton and Photon Therapy in Stereotactic Arrhythmia Radioablation for Ventricular Tachycardia","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Chih-Wei Chang, Jun Zhou, Justin Roper, Keyur D. Shah, Kristin A Higgins, Pretesh Patel, Sibo Tian, Xiaofeng Yang, Yinan Wang, Yuan Shao, Zhen Tian","submitted_at":"2025-01-30T15:39:03Z","abstract_excerpt":"Purpose: VT is a life-threatening arrhythmia commonly treated with catheter ablation; however, some cases remain refractory to conventional treatment. STAR has emerged as a non-invasive option for such patients. While photon-based STAR has shown efficacy, proton therapy offers potential advantages due to its superior dose conformity and sparing of critical OARs, including the heart itself. This study aims to investigate and compare the dosimetry between proton and photon therapy for VT, focusing on target coverage and OAR sparing. Methods: We performed a retrospective study on a cohort of 34 V"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.18433","kind":"arxiv","version":2},"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/2501.18433/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":"2026-07-05T11:35:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YoJFJGJsm1Ht8L1mZ0RYgezaNEkSWl98rGcX196WZ+Xva+loOobrImaXCIucOqXXGpfIcQj5gXgrEGAvwQUwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T21:15:24.646119Z"},"content_sha256":"6920a7a3f2544a3b79d8ffcc0c82311b0a9511103eb77518a394cd76f213ee0d","schema_version":"1.0","event_id":"sha256:6920a7a3f2544a3b79d8ffcc0c82311b0a9511103eb77518a394cd76f213ee0d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67AS6X677TJ2LXEK4F36NCKANW/bundle.json","state_url":"https://pith.science/pith/67AS6X677TJ2LXEK4F36NCKANW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67AS6X677TJ2LXEK4F36NCKANW/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":"2026-08-05T21:15:24Z","links":{"resolver":"https://pith.science/pith/67AS6X677TJ2LXEK4F36NCKANW","bundle":"https://pith.science/pith/67AS6X677TJ2LXEK4F36NCKANW/bundle.json","state":"https://pith.science/pith/67AS6X677TJ2LXEK4F36NCKANW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67AS6X677TJ2LXEK4F36NCKANW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:67AS6X677TJ2LXEK4F36NCKANW","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":"df863c2ace6763fea6f4fa4055de583ce51eae3c7212c2f0c941dd12a777fdf9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2025-01-30T15:39:03Z","title_canon_sha256":"ad169bb7e6d0cd3cec79a1cbcca6092e18d892ec29b380d2071215044f078e64"},"schema_version":"1.0","source":{"id":"2501.18433","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.18433","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"arxiv_version","alias_value":"2501.18433v2","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.18433","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"pith_short_12","alias_value":"67AS6X677TJ2","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"pith_short_16","alias_value":"67AS6X677TJ2LXEK","created_at":"2026-07-05T11:35:11Z"},{"alias_kind":"pith_short_8","alias_value":"67AS6X67","created_at":"2026-07-05T11:35:11Z"}],"graph_snapshots":[{"event_id":"sha256:6920a7a3f2544a3b79d8ffcc0c82311b0a9511103eb77518a394cd76f213ee0d","target":"graph","created_at":"2026-07-05T11:35:11Z","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/2501.18433/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Purpose: VT is a life-threatening arrhythmia commonly treated with catheter ablation; however, some cases remain refractory to conventional treatment. STAR has emerged as a non-invasive option for such patients. While photon-based STAR has shown efficacy, proton therapy offers potential advantages due to its superior dose conformity and sparing of critical OARs, including the heart itself. This study aims to investigate and compare the dosimetry between proton and photon therapy for VT, focusing on target coverage and OAR sparing. Methods: We performed a retrospective study on a cohort of 34 V","authors_text":"Chih-Wei Chang, Jun Zhou, Justin Roper, Keyur D. Shah, Kristin A Higgins, Pretesh Patel, Sibo Tian, Xiaofeng Yang, Yinan Wang, Yuan Shao, Zhen Tian","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2025-01-30T15:39:03Z","title":"A Comparative Dosimetric Study of Proton and Photon Therapy in Stereotactic Arrhythmia Radioablation for Ventricular Tachycardia"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.18433","kind":"arxiv","version":2},"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":"sha256:016d8bd75e3d8fd045d8b9e49a9cace7201d52cf494a250d17123e0d6439f2b0","target":"record","created_at":"2026-07-05T11:35:11Z","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":"df863c2ace6763fea6f4fa4055de583ce51eae3c7212c2f0c941dd12a777fdf9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2025-01-30T15:39:03Z","title_canon_sha256":"ad169bb7e6d0cd3cec79a1cbcca6092e18d892ec29b380d2071215044f078e64"},"schema_version":"1.0","source":{"id":"2501.18433","kind":"arxiv","version":2}},"canonical_sha256":"f7c12f5fdffcd3a5dc8ae177e689406d9f51c35a81766715d391df1b96cf4be5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7c12f5fdffcd3a5dc8ae177e689406d9f51c35a81766715d391df1b96cf4be5","first_computed_at":"2026-07-05T11:35:11.916114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:35:11.916114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RJXdbus2YWywbbl4QNnwGF21Luoz03ilPwYyiWdLdE/JTgsiO9pZqoQbL6+J/81f05d3qP5QZWSsMa7jSSsQBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:35:11.916585Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.18433","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:016d8bd75e3d8fd045d8b9e49a9cace7201d52cf494a250d17123e0d6439f2b0","sha256:6920a7a3f2544a3b79d8ffcc0c82311b0a9511103eb77518a394cd76f213ee0d"],"state_sha256":"7be27402e4571506b5570470f29bbd5535b73a7fa13383083de8db8b084ffceb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZeDLx2obuDIGDqI5uZpo+NwRdLKOK0eQ5HCvba+z4y+49q/1TwQBlL2IJTsoEiIwvBR08rZKUDClDczZ/YUhDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T21:15:24.649999Z","bundle_sha256":"6c8843df8aa4b17b40b057ccd45b37396c51a4de1762b7875f032e27abd0ea99"}}