{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:Q6RKOIADSGCZL3BSFKO2TKAAZB","short_pith_number":"pith:Q6RKOIAD","canonical_record":{"source":{"id":"1802.00569","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-02-02T05:54:07Z","cross_cats_sorted":[],"title_canon_sha256":"6a71eec2a55b8255a09569ae40c44c3ad873c7e68022699ab90eefb8bd19db4e","abstract_canon_sha256":"c4c85e4bb555b1147e23a5db9442c0406f587130dc6fa2b82307163ede1dd7bf"},"schema_version":"1.0"},"canonical_sha256":"87a2a72003918595ec322a9da9a800c84782c157c997cfcf9c479c7170c71e88","source":{"kind":"arxiv","id":"1802.00569","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00569","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00569v2","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00569","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"pith_short_12","alias_value":"Q6RKOIADSGCZ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"Q6RKOIADSGCZL3BS","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"Q6RKOIAD","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:Q6RKOIADSGCZL3BSFKO2TKAAZB","target":"record","payload":{"canonical_record":{"source":{"id":"1802.00569","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-02-02T05:54:07Z","cross_cats_sorted":[],"title_canon_sha256":"6a71eec2a55b8255a09569ae40c44c3ad873c7e68022699ab90eefb8bd19db4e","abstract_canon_sha256":"c4c85e4bb555b1147e23a5db9442c0406f587130dc6fa2b82307163ede1dd7bf"},"schema_version":"1.0"},"canonical_sha256":"87a2a72003918595ec322a9da9a800c84782c157c997cfcf9c479c7170c71e88","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:10.433950Z","signature_b64":"aAqn2ToxL8a1wC3bgpYbuo3AIl8qXaMmdwinHMERXIS1TD1hzlsdorg7H1gvdnr3Jso9UDHw7lhWtGZ/lEbHAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87a2a72003918595ec322a9da9a800c84782c157c997cfcf9c479c7170c71e88","last_reissued_at":"2026-05-18T00:08:10.433431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:10.433431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.00569","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":"2026-05-18T00:08:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uPxePpqeNh6oPUAVqTuGAH/xjabhB4SYLeTkiVpIiYWaTTc7tCXuhwantmViL2/8r4rxxIC8taW4+54rO0V2CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T06:58:28.359748Z"},"content_sha256":"ebf505ab5170940690dd22e6766d090cbda417fd6ef3315b370986c98077f844","schema_version":"1.0","event_id":"sha256:ebf505ab5170940690dd22e6766d090cbda417fd6ef3315b370986c98077f844"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:Q6RKOIADSGCZL3BSFKO2TKAAZB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Output and $k_{Q_{clin},Q_{msr}}^{f_{clin},f_{msr}}$ correction factors measured and calculated in very small circular fields for microDiamond and EFD-3G detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Eyad Alhakeem, Sergei Zavgorodni","submitted_at":"2018-02-02T05:54:07Z","abstract_excerpt":"The purpose of this work was to obtain output correction factors for microDiamond and EFD-3G detectors in very small (less than 5 mm) circular fields. We also investigated the impact of possible variations in microDiamond detector design schematics on the calculated correction factors. Output factors (OFs) of 6MV beams from TrueBeam linac collimated with 1.27-40mm diameter cones were measured with EBT3 films, microDiamond and EFD-3G detectors as well as calculated (in water) using Monte Carlo (MC) methods. Based on EBT3 measurements and MC calculations output correction factors were derived fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00569","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":""},"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":"2026-05-18T00:08:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZcMHPyWDOE4CFOJx7aDkaEAVypyAnDiEKxxswRfNxD/B3TDKA4ZqgxSiZSXwTpYcMb0SBFiA8U3fI855E0nxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T06:58:28.360428Z"},"content_sha256":"a3f8cbfd2d2769358f65d615d94e5fc200c85327f5a6c618f7e1f7fad9353c9b","schema_version":"1.0","event_id":"sha256:a3f8cbfd2d2769358f65d615d94e5fc200c85327f5a6c618f7e1f7fad9353c9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB/bundle.json","state_url":"https://pith.science/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB/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":"2026-06-28T06:58:28Z","links":{"resolver":"https://pith.science/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB","bundle":"https://pith.science/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB/bundle.json","state":"https://pith.science/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6RKOIADSGCZL3BSFKO2TKAAZB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Q6RKOIADSGCZL3BSFKO2TKAAZB","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":"c4c85e4bb555b1147e23a5db9442c0406f587130dc6fa2b82307163ede1dd7bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-02-02T05:54:07Z","title_canon_sha256":"6a71eec2a55b8255a09569ae40c44c3ad873c7e68022699ab90eefb8bd19db4e"},"schema_version":"1.0","source":{"id":"1802.00569","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00569","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00569v2","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00569","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"pith_short_12","alias_value":"Q6RKOIADSGCZ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"Q6RKOIADSGCZL3BS","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"Q6RKOIAD","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:a3f8cbfd2d2769358f65d615d94e5fc200c85327f5a6c618f7e1f7fad9353c9b","target":"graph","created_at":"2026-05-18T00:08:10Z","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":"The purpose of this work was to obtain output correction factors for microDiamond and EFD-3G detectors in very small (less than 5 mm) circular fields. We also investigated the impact of possible variations in microDiamond detector design schematics on the calculated correction factors. Output factors (OFs) of 6MV beams from TrueBeam linac collimated with 1.27-40mm diameter cones were measured with EBT3 films, microDiamond and EFD-3G detectors as well as calculated (in water) using Monte Carlo (MC) methods. Based on EBT3 measurements and MC calculations output correction factors were derived fo","authors_text":"Eyad Alhakeem, Sergei Zavgorodni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-02-02T05:54:07Z","title":"Output and $k_{Q_{clin},Q_{msr}}^{f_{clin},f_{msr}}$ correction factors measured and calculated in very small circular fields for microDiamond and EFD-3G detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00569","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:ebf505ab5170940690dd22e6766d090cbda417fd6ef3315b370986c98077f844","target":"record","created_at":"2026-05-18T00:08:10Z","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":"c4c85e4bb555b1147e23a5db9442c0406f587130dc6fa2b82307163ede1dd7bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2018-02-02T05:54:07Z","title_canon_sha256":"6a71eec2a55b8255a09569ae40c44c3ad873c7e68022699ab90eefb8bd19db4e"},"schema_version":"1.0","source":{"id":"1802.00569","kind":"arxiv","version":2}},"canonical_sha256":"87a2a72003918595ec322a9da9a800c84782c157c997cfcf9c479c7170c71e88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87a2a72003918595ec322a9da9a800c84782c157c997cfcf9c479c7170c71e88","first_computed_at":"2026-05-18T00:08:10.433431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:10.433431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aAqn2ToxL8a1wC3bgpYbuo3AIl8qXaMmdwinHMERXIS1TD1hzlsdorg7H1gvdnr3Jso9UDHw7lhWtGZ/lEbHAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:10.433950Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.00569","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebf505ab5170940690dd22e6766d090cbda417fd6ef3315b370986c98077f844","sha256:a3f8cbfd2d2769358f65d615d94e5fc200c85327f5a6c618f7e1f7fad9353c9b"],"state_sha256":"71538771b9f29420efee137f7e68e863304a14655a665c2e7c93e4e9abf4b2f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ea2sOojRCb/niKLkQUpCSgzUlDJ02K02r+ovZsGCfeh1LLnap8OmvP0eMTOGJb/HdriAvK0C5D5UZE9fswgWDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T06:58:28.362266Z","bundle_sha256":"d9f7e107943cdbb82439f00791946949ac40cbda42ad1e988f3f57490e7ef2ed"}}