{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:WNDENOKLWQBDP3XPE6GMHPJIKU","short_pith_number":"pith:WNDENOKL","schema_version":"1.0","canonical_sha256":"b34646b94bb40237eeef278cc3bd28553a861b46b7d5e6db01643b17149becec","source":{"kind":"arxiv","id":"1810.08610","version":1},"attestation_state":"computed","paper":{"title":"On tradeoffs between treatment time and plan quality of volumetric-modulated arc therapy with sliding-window delivery","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.OC"],"primary_cat":"physics.med-ph","authors_text":"Anders Forsgren, Lovisa Engberg","submitted_at":"2018-10-19T09:39:22Z","abstract_excerpt":"The purpose of this study is to give an exact formulation of optimization of volumetric-modulated arc therapy (VMAT) with sliding-window delivery, and to investigate the plan quality effects of decreasing the number of sliding-window sweeps made on the 360-degree arc for a faster VMAT treatment. In light of the exact formulation, we interpret an algorithm previously suggested in the literature as a heuristic method for solving this optimization problem. By first making a generalization, we suggest a modification of this algorithm for better handling of plans with fewer sweeps. In a numerical s"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1810.08610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-10-19T09:39:22Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"573d008568cbb4eccdbbc6679aead981259319f76047fe9ec753948d68e680d7","abstract_canon_sha256":"fa9c4349ee700b1deec51627758d9724b82e1d4ad464c07cac415f4e07a8ccfa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:44.009451Z","signature_b64":"pCTGZni1EJu7biLJ9yJZwpOK/3aXNyKrJeA5+tfdOzMRqPQSDiZ5YsHoxKc7nn2f6YKQk2HazCjsGLZsxLqPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b34646b94bb40237eeef278cc3bd28553a861b46b7d5e6db01643b17149becec","last_reissued_at":"2026-05-18T00:02:44.008912Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:44.008912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On tradeoffs between treatment time and plan quality of volumetric-modulated arc therapy with sliding-window delivery","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.OC"],"primary_cat":"physics.med-ph","authors_text":"Anders Forsgren, Lovisa Engberg","submitted_at":"2018-10-19T09:39:22Z","abstract_excerpt":"The purpose of this study is to give an exact formulation of optimization of volumetric-modulated arc therapy (VMAT) with sliding-window delivery, and to investigate the plan quality effects of decreasing the number of sliding-window sweeps made on the 360-degree arc for a faster VMAT treatment. In light of the exact formulation, we interpret an algorithm previously suggested in the literature as a heuristic method for solving this optimization problem. By first making a generalization, we suggest a modification of this algorithm for better handling of plans with fewer sweeps. In a numerical s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.08610","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1810.08610","created_at":"2026-05-18T00:02:44.009000+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.08610v1","created_at":"2026-05-18T00:02:44.009000+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.08610","created_at":"2026-05-18T00:02:44.009000+00:00"},{"alias_kind":"pith_short_12","alias_value":"WNDENOKLWQBD","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_16","alias_value":"WNDENOKLWQBDP3XP","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_8","alias_value":"WNDENOKL","created_at":"2026-05-18T12:33:01.666342+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU","json":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU.json","graph_json":"https://pith.science/api/pith-number/WNDENOKLWQBDP3XPE6GMHPJIKU/graph.json","events_json":"https://pith.science/api/pith-number/WNDENOKLWQBDP3XPE6GMHPJIKU/events.json","paper":"https://pith.science/paper/WNDENOKL"},"agent_actions":{"view_html":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU","download_json":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU.json","view_paper":"https://pith.science/paper/WNDENOKL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.08610&json=true","fetch_graph":"https://pith.science/api/pith-number/WNDENOKLWQBDP3XPE6GMHPJIKU/graph.json","fetch_events":"https://pith.science/api/pith-number/WNDENOKLWQBDP3XPE6GMHPJIKU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU/action/storage_attestation","attest_author":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU/action/author_attestation","sign_citation":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU/action/citation_signature","submit_replication":"https://pith.science/pith/WNDENOKLWQBDP3XPE6GMHPJIKU/action/replication_record"}},"created_at":"2026-05-18T00:02:44.009000+00:00","updated_at":"2026-05-18T00:02:44.009000+00:00"}