{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:XUBKNJZQZ3HJOHMNHZ3LGIRQXR","short_pith_number":"pith:XUBKNJZQ","canonical_record":{"source":{"id":"0910.0329","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2009-10-02T06:09:43Z","cross_cats_sorted":[],"title_canon_sha256":"0e86543a8f5a76babead0101acb13a8ed02c7efb34a2584ba27535b3681fa8d1","abstract_canon_sha256":"5d18ea194de0edc2c44637e4bc7c98ae07cf8d4045e20046a985da2ba51de485"},"schema_version":"1.0"},"canonical_sha256":"bd02a6a730cece971d8d3e76b32230bc7dda3d1cb906b1a0c2dcee8e64623e18","source":{"kind":"arxiv","id":"0910.0329","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0329","created_at":"2026-05-18T02:11:35Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0329v3","created_at":"2026-05-18T02:11:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0329","created_at":"2026-05-18T02:11:35Z"},{"alias_kind":"pith_short_12","alias_value":"XUBKNJZQZ3HJ","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"XUBKNJZQZ3HJOHMN","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"XUBKNJZQ","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:XUBKNJZQZ3HJOHMNHZ3LGIRQXR","target":"record","payload":{"canonical_record":{"source":{"id":"0910.0329","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2009-10-02T06:09:43Z","cross_cats_sorted":[],"title_canon_sha256":"0e86543a8f5a76babead0101acb13a8ed02c7efb34a2584ba27535b3681fa8d1","abstract_canon_sha256":"5d18ea194de0edc2c44637e4bc7c98ae07cf8d4045e20046a985da2ba51de485"},"schema_version":"1.0"},"canonical_sha256":"bd02a6a730cece971d8d3e76b32230bc7dda3d1cb906b1a0c2dcee8e64623e18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:35.023016Z","signature_b64":"wXXihEl10c4NagKBGDMHMkrSqRPAO33WrE9d1x8O5sbgAQ8ctX16v66jNwaoqgibNFIhIehUnpuBZ1v3RPvpAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd02a6a730cece971d8d3e76b32230bc7dda3d1cb906b1a0c2dcee8e64623e18","last_reissued_at":"2026-05-18T02:11:35.022188Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:35.022188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.0329","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:11:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6tDCBHazjcfsl0KkY5tm/xP2hem6Z6KwwujsYQVrHsoicqz/+s+FsKEIb9CTqhoaVZh2aU5QSaSKQvhj7nI/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T14:36:23.039271Z"},"content_sha256":"7ff230eb66dfab68c888e4e883a9ab45b4d16b6302a9af6d267e638f38302056","schema_version":"1.0","event_id":"sha256:7ff230eb66dfab68c888e4e883a9ab45b4d16b6302a9af6d267e638f38302056"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:XUBKNJZQZ3HJOHMNHZ3LGIRQXR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Development of a GPU-based Monte Carlo dose calculation code for coupled electron-photon transport","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Amitava Majumdar, Dongju Choi, Josep Sempau, Steve B. Jiang, Xuejun Gu, Xun Jia","submitted_at":"2009-10-02T06:09:43Z","abstract_excerpt":"Monte Carlo simulation is the most accurate method for absorbed dose calculations in radiotherapy. Its efficiency still requires improvement for routine clinical applications, especially for online adaptive radiotherapy. In this paper, we report our recent development on a GPU-based Monte Carlo dose calculation code for coupled electron-photon transport. We have implemented the Dose Planning Method (DPM) Monte Carlo dose calculation package (Sempau et al, Phys. Med. Biol., 45(2000)2263-2291) on GPU architecture under CUDA platform. The implementation has been tested with respect to the origina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0329","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T02:11:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWFV+cViMlTWlFnsgwHe/IgwQTJ3/q1Ze/+CnxDSFz9tfkVNDwuep35pycReEtYyiPHVztqKPsqYS/0NLF6xAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T14:36:23.039639Z"},"content_sha256":"7db2fdbf342733e398be0ae1e56cbc382c51f21032692b37f8adb81468a3ff25","schema_version":"1.0","event_id":"sha256:7db2fdbf342733e398be0ae1e56cbc382c51f21032692b37f8adb81468a3ff25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR/bundle.json","state_url":"https://pith.science/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR/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":"2026-06-11T14:36:23Z","links":{"resolver":"https://pith.science/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR","bundle":"https://pith.science/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR/bundle.json","state":"https://pith.science/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XUBKNJZQZ3HJOHMNHZ3LGIRQXR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:XUBKNJZQZ3HJOHMNHZ3LGIRQXR","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":"5d18ea194de0edc2c44637e4bc7c98ae07cf8d4045e20046a985da2ba51de485","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2009-10-02T06:09:43Z","title_canon_sha256":"0e86543a8f5a76babead0101acb13a8ed02c7efb34a2584ba27535b3681fa8d1"},"schema_version":"1.0","source":{"id":"0910.0329","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0329","created_at":"2026-05-18T02:11:35Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0329v3","created_at":"2026-05-18T02:11:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0329","created_at":"2026-05-18T02:11:35Z"},{"alias_kind":"pith_short_12","alias_value":"XUBKNJZQZ3HJ","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"XUBKNJZQZ3HJOHMN","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"XUBKNJZQ","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:7db2fdbf342733e398be0ae1e56cbc382c51f21032692b37f8adb81468a3ff25","target":"graph","created_at":"2026-05-18T02:11:35Z","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"},"paper":{"abstract_excerpt":"Monte Carlo simulation is the most accurate method for absorbed dose calculations in radiotherapy. Its efficiency still requires improvement for routine clinical applications, especially for online adaptive radiotherapy. In this paper, we report our recent development on a GPU-based Monte Carlo dose calculation code for coupled electron-photon transport. We have implemented the Dose Planning Method (DPM) Monte Carlo dose calculation package (Sempau et al, Phys. Med. Biol., 45(2000)2263-2291) on GPU architecture under CUDA platform. The implementation has been tested with respect to the origina","authors_text":"Amitava Majumdar, Dongju Choi, Josep Sempau, Steve B. Jiang, Xuejun Gu, Xun Jia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2009-10-02T06:09:43Z","title":"Development of a GPU-based Monte Carlo dose calculation code for coupled electron-photon transport"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0329","kind":"arxiv","version":3},"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":"sha256:7ff230eb66dfab68c888e4e883a9ab45b4d16b6302a9af6d267e638f38302056","target":"record","created_at":"2026-05-18T02:11:35Z","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":"5d18ea194de0edc2c44637e4bc7c98ae07cf8d4045e20046a985da2ba51de485","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2009-10-02T06:09:43Z","title_canon_sha256":"0e86543a8f5a76babead0101acb13a8ed02c7efb34a2584ba27535b3681fa8d1"},"schema_version":"1.0","source":{"id":"0910.0329","kind":"arxiv","version":3}},"canonical_sha256":"bd02a6a730cece971d8d3e76b32230bc7dda3d1cb906b1a0c2dcee8e64623e18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd02a6a730cece971d8d3e76b32230bc7dda3d1cb906b1a0c2dcee8e64623e18","first_computed_at":"2026-05-18T02:11:35.022188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:35.022188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wXXihEl10c4NagKBGDMHMkrSqRPAO33WrE9d1x8O5sbgAQ8ctX16v66jNwaoqgibNFIhIehUnpuBZ1v3RPvpAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:35.023016Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.0329","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ff230eb66dfab68c888e4e883a9ab45b4d16b6302a9af6d267e638f38302056","sha256:7db2fdbf342733e398be0ae1e56cbc382c51f21032692b37f8adb81468a3ff25"],"state_sha256":"e4d4ef023f6992bb45fdce8ff483b2fe638b0ae57d5bbd393a16de2034114c9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4pn5pw0xpaQ9uVd2O9P2Od3RREReAz4cAqP4N9oJeAxl23H0zBWPyZFtgJqOK/bmjpJRn12X3MoIXzD+w4GlDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T14:36:23.041639Z","bundle_sha256":"a3813089a3eea2c064bb65083e1bf7c8bd84f616b2e5aad9ad788c09955aa00b"}}