{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:D6JMLKH6552E5GSHIXKBSBNYYN","short_pith_number":"pith:D6JMLKH6","canonical_record":{"source":{"id":"1009.5282","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2010-09-27T15:11:07Z","cross_cats_sorted":["cs.DC","physics.comp-ph"],"title_canon_sha256":"b39df43d8614a0745523684070908230058967dc239cb3d959d856d93a2f3e02","abstract_canon_sha256":"496d5cacc1439edc39ebc101562d883119154ae680fcd1f3b1dcf8f4499bada2"},"schema_version":"1.0"},"canonical_sha256":"1f92c5a8feef744e9a4745d41905b8c37ba11e134e6bb1330b290712f7cd38d1","source":{"kind":"arxiv","id":"1009.5282","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5282","created_at":"2026-05-18T04:40:18Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5282v1","created_at":"2026-05-18T04:40:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5282","created_at":"2026-05-18T04:40:18Z"},{"alias_kind":"pith_short_12","alias_value":"D6JMLKH6552E","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"D6JMLKH6552E5GSH","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"D6JMLKH6","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:D6JMLKH6552E5GSHIXKBSBNYYN","target":"record","payload":{"canonical_record":{"source":{"id":"1009.5282","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2010-09-27T15:11:07Z","cross_cats_sorted":["cs.DC","physics.comp-ph"],"title_canon_sha256":"b39df43d8614a0745523684070908230058967dc239cb3d959d856d93a2f3e02","abstract_canon_sha256":"496d5cacc1439edc39ebc101562d883119154ae680fcd1f3b1dcf8f4499bada2"},"schema_version":"1.0"},"canonical_sha256":"1f92c5a8feef744e9a4745d41905b8c37ba11e134e6bb1330b290712f7cd38d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:18.922854Z","signature_b64":"Shlxwaxk5fl6E+1uk8dP8QsTkWlpph8LYwxsBB64/55F4EFhgc2BTMu/YM9XMse+uYVYCJJDpLaGaBY3wBDrAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f92c5a8feef744e9a4745d41905b8c37ba11e134e6bb1330b290712f7cd38d1","last_reissued_at":"2026-05-18T04:40:18.922179Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:18.922179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.5282","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":"2026-05-18T04:40:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HapeRXv94m/EYKiUqL8hOHlcoz3x34I2ToztVcdia0/Rnj/g+tCtIAdlSlzs2Qh7Txk5REsH86782Ws/Lb40Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:53:56.088487Z"},"content_sha256":"0a06b64f73f80184d3db388f396408531aed96a2d924c827a6ab194c325ad330","schema_version":"1.0","event_id":"sha256:0a06b64f73f80184d3db388f396408531aed96a2d924c827a6ab194c325ad330"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:D6JMLKH6552E5GSHIXKBSBNYYN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiation therapy calculations using an on-demand virtual cluster via cloud computing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","physics.comp-ph"],"primary_cat":"physics.med-ph","authors_text":"Christian Romano, Dorian Arnold, Roy W. Keyes, Shuang Luan","submitted_at":"2010-09-27T15:11:07Z","abstract_excerpt":"Computer hardware costs are the limiting factor in producing highly accurate radiation dose calculations on convenient time scales. Because of this, large-scale, full Monte Carlo simulations and other resource intensive algorithms are often considered infeasible for clinical settings. The emerging cloud computing paradigm promises to fundamentally alter the economics of such calculations by providing relatively cheap, on-demand, pay-as-you-go computing resources over the Internet. We believe that cloud computing will usher in a new era, in which very large scale calculations will be routinely "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5282","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":""},"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":"2026-05-18T04:40:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIhUFaEplwseJ7rP8hdxB2aYt2OU+0WqQOVbhJzF4lcksHzPc7VQzE6YoKRyHXNUG41nZMpObxnM6NJfGhhbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:53:56.089208Z"},"content_sha256":"abdc5dfd21bfa6679a422c4ba5cf084265cfe26a7636df254d7e374dc362790f","schema_version":"1.0","event_id":"sha256:abdc5dfd21bfa6679a422c4ba5cf084265cfe26a7636df254d7e374dc362790f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D6JMLKH6552E5GSHIXKBSBNYYN/bundle.json","state_url":"https://pith.science/pith/D6JMLKH6552E5GSHIXKBSBNYYN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D6JMLKH6552E5GSHIXKBSBNYYN/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":"2026-05-31T12:53:56Z","links":{"resolver":"https://pith.science/pith/D6JMLKH6552E5GSHIXKBSBNYYN","bundle":"https://pith.science/pith/D6JMLKH6552E5GSHIXKBSBNYYN/bundle.json","state":"https://pith.science/pith/D6JMLKH6552E5GSHIXKBSBNYYN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D6JMLKH6552E5GSHIXKBSBNYYN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:D6JMLKH6552E5GSHIXKBSBNYYN","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":"496d5cacc1439edc39ebc101562d883119154ae680fcd1f3b1dcf8f4499bada2","cross_cats_sorted":["cs.DC","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2010-09-27T15:11:07Z","title_canon_sha256":"b39df43d8614a0745523684070908230058967dc239cb3d959d856d93a2f3e02"},"schema_version":"1.0","source":{"id":"1009.5282","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5282","created_at":"2026-05-18T04:40:18Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5282v1","created_at":"2026-05-18T04:40:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5282","created_at":"2026-05-18T04:40:18Z"},{"alias_kind":"pith_short_12","alias_value":"D6JMLKH6552E","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"D6JMLKH6552E5GSH","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"D6JMLKH6","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:abdc5dfd21bfa6679a422c4ba5cf084265cfe26a7636df254d7e374dc362790f","target":"graph","created_at":"2026-05-18T04:40:18Z","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":"Computer hardware costs are the limiting factor in producing highly accurate radiation dose calculations on convenient time scales. Because of this, large-scale, full Monte Carlo simulations and other resource intensive algorithms are often considered infeasible for clinical settings. The emerging cloud computing paradigm promises to fundamentally alter the economics of such calculations by providing relatively cheap, on-demand, pay-as-you-go computing resources over the Internet. We believe that cloud computing will usher in a new era, in which very large scale calculations will be routinely ","authors_text":"Christian Romano, Dorian Arnold, Roy W. Keyes, Shuang Luan","cross_cats":["cs.DC","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2010-09-27T15:11:07Z","title":"Radiation therapy calculations using an on-demand virtual cluster via cloud computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5282","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":"sha256:0a06b64f73f80184d3db388f396408531aed96a2d924c827a6ab194c325ad330","target":"record","created_at":"2026-05-18T04:40:18Z","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":"496d5cacc1439edc39ebc101562d883119154ae680fcd1f3b1dcf8f4499bada2","cross_cats_sorted":["cs.DC","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2010-09-27T15:11:07Z","title_canon_sha256":"b39df43d8614a0745523684070908230058967dc239cb3d959d856d93a2f3e02"},"schema_version":"1.0","source":{"id":"1009.5282","kind":"arxiv","version":1}},"canonical_sha256":"1f92c5a8feef744e9a4745d41905b8c37ba11e134e6bb1330b290712f7cd38d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f92c5a8feef744e9a4745d41905b8c37ba11e134e6bb1330b290712f7cd38d1","first_computed_at":"2026-05-18T04:40:18.922179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:18.922179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Shlxwaxk5fl6E+1uk8dP8QsTkWlpph8LYwxsBB64/55F4EFhgc2BTMu/YM9XMse+uYVYCJJDpLaGaBY3wBDrAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:18.922854Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5282","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a06b64f73f80184d3db388f396408531aed96a2d924c827a6ab194c325ad330","sha256:abdc5dfd21bfa6679a422c4ba5cf084265cfe26a7636df254d7e374dc362790f"],"state_sha256":"efab1a87676f55c296d23ae118061d44831d1f7d81af16b468fff1601c8a7fed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nmu60i495quZqttw8CViQG2/NGfAT3vhXDcKkii4Ss1NVhFNfkS98KdqvwXnVt9KWkIrISOPH5pd7AF259bHAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:53:56.093031Z","bundle_sha256":"986465d4315c5ff4fbc5af00e3ea97aea090e3e42cceb45c6297e9ec0aedfcef"}}