{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WWS2XWY35LAVWJELLJIQTLJETD","short_pith_number":"pith:WWS2XWY3","canonical_record":{"source":{"id":"1706.07629","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-23T10:30:11Z","cross_cats_sorted":["physics.med-ph"],"title_canon_sha256":"fbff611a6052249573ae70c2021db0ddb73c3cf1cee126523b83bb61943ff5bf","abstract_canon_sha256":"a7e50ba7acfd97c12d3c9ac3b12c2ada74a65582a54629f3fe7a7273c2d73f13"},"schema_version":"1.0"},"canonical_sha256":"b5a5abdb1beac15b248b5a5109ad2498ca6c842bb16fe2d2f06894801de2a482","source":{"kind":"arxiv","id":"1706.07629","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07629","created_at":"2026-05-18T00:33:17Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07629v2","created_at":"2026-05-18T00:33:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07629","created_at":"2026-05-18T00:33:17Z"},{"alias_kind":"pith_short_12","alias_value":"WWS2XWY35LAV","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WWS2XWY35LAVWJEL","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WWS2XWY3","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WWS2XWY35LAVWJELLJIQTLJETD","target":"record","payload":{"canonical_record":{"source":{"id":"1706.07629","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-23T10:30:11Z","cross_cats_sorted":["physics.med-ph"],"title_canon_sha256":"fbff611a6052249573ae70c2021db0ddb73c3cf1cee126523b83bb61943ff5bf","abstract_canon_sha256":"a7e50ba7acfd97c12d3c9ac3b12c2ada74a65582a54629f3fe7a7273c2d73f13"},"schema_version":"1.0"},"canonical_sha256":"b5a5abdb1beac15b248b5a5109ad2498ca6c842bb16fe2d2f06894801de2a482","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:17.089041Z","signature_b64":"BLcaxjtKRc9mO3tMxoJ0XAdwBthZhVCxM/z11f+PIWm+VeBl/O+3TiY0zWxUPjzcJnIkZrpr/3Ir5aCeb8znDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5a5abdb1beac15b248b5a5109ad2498ca6c842bb16fe2d2f06894801de2a482","last_reissued_at":"2026-05-18T00:33:17.088368Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:17.088368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.07629","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":"2026-05-18T00:33:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hAcLvsvNHRVejONk34xAX1lLEGn2cxhrM//kJ07xUczuB4Q63gDXzr8kNzyiHO1lEqxi9dbElBLNvDdkkIBHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:56:01.725292Z"},"content_sha256":"a780e69d60f98d2b961eaa61fc8375ec6f0b6611a38d5819a4aa1bffafb6680d","schema_version":"1.0","event_id":"sha256:a780e69d60f98d2b961eaa61fc8375ec6f0b6611a38d5819a4aa1bffafb6680d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WWS2XWY35LAVWJELLJIQTLJETD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monte Carlo study of the Coincidence Resolving Time of a liquid xenon PET scanner, using Cherenkov radiation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.med-ph"],"primary_cat":"physics.ins-det","authors_text":"Jos\\'e Mar\\'ia Benlloch-Rodr\\'iguez, Juan Jose Gomez-Cadenas, Paola Ferrario","submitted_at":"2017-06-23T10:30:11Z","abstract_excerpt":"In this paper we use detailed Monte Carlo simulations to demonstrate that liquid xenon (LXe) can be used to build a Cherenkov-based TOF-PET, with an intrinsic coincidence resolving time (CRT) in the vicinity of 10 ps. This extraordinary performance is due to three facts: a) the abundant emission of Cherenkov photons by liquid xenon; b) the fact that LXe is transparent to Cherenkov light; and c) the fact that the fastest photons in LXe have wavelengths higher than 300 nm, therefore making it possible to separate the detection of scintillation and Cherenkov light. The CRT in a Cherenkov LXe TOF-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07629","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":"2026-05-18T00:33:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2GYLTWiW/3oYkL1qMPVoFr0eCMiltrEWM5ypsLBCgJhy05RL+Io2Ld6R8aFrW2Y74QSMaphFu13Ul+oNczbvAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:56:01.725653Z"},"content_sha256":"2ee7f7439f18660fd66a5f9be15ff9d2e55bd663e58c91059d0b2cdef4d22f1d","schema_version":"1.0","event_id":"sha256:2ee7f7439f18660fd66a5f9be15ff9d2e55bd663e58c91059d0b2cdef4d22f1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWS2XWY35LAVWJELLJIQTLJETD/bundle.json","state_url":"https://pith.science/pith/WWS2XWY35LAVWJELLJIQTLJETD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWS2XWY35LAVWJELLJIQTLJETD/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":"2026-05-26T13:56:01Z","links":{"resolver":"https://pith.science/pith/WWS2XWY35LAVWJELLJIQTLJETD","bundle":"https://pith.science/pith/WWS2XWY35LAVWJELLJIQTLJETD/bundle.json","state":"https://pith.science/pith/WWS2XWY35LAVWJELLJIQTLJETD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWS2XWY35LAVWJELLJIQTLJETD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WWS2XWY35LAVWJELLJIQTLJETD","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":"a7e50ba7acfd97c12d3c9ac3b12c2ada74a65582a54629f3fe7a7273c2d73f13","cross_cats_sorted":["physics.med-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-23T10:30:11Z","title_canon_sha256":"fbff611a6052249573ae70c2021db0ddb73c3cf1cee126523b83bb61943ff5bf"},"schema_version":"1.0","source":{"id":"1706.07629","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07629","created_at":"2026-05-18T00:33:17Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07629v2","created_at":"2026-05-18T00:33:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07629","created_at":"2026-05-18T00:33:17Z"},{"alias_kind":"pith_short_12","alias_value":"WWS2XWY35LAV","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WWS2XWY35LAVWJEL","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WWS2XWY3","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:2ee7f7439f18660fd66a5f9be15ff9d2e55bd663e58c91059d0b2cdef4d22f1d","target":"graph","created_at":"2026-05-18T00:33:17Z","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":"In this paper we use detailed Monte Carlo simulations to demonstrate that liquid xenon (LXe) can be used to build a Cherenkov-based TOF-PET, with an intrinsic coincidence resolving time (CRT) in the vicinity of 10 ps. This extraordinary performance is due to three facts: a) the abundant emission of Cherenkov photons by liquid xenon; b) the fact that LXe is transparent to Cherenkov light; and c) the fact that the fastest photons in LXe have wavelengths higher than 300 nm, therefore making it possible to separate the detection of scintillation and Cherenkov light. The CRT in a Cherenkov LXe TOF-","authors_text":"Jos\\'e Mar\\'ia Benlloch-Rodr\\'iguez, Juan Jose Gomez-Cadenas, Paola Ferrario","cross_cats":["physics.med-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-23T10:30:11Z","title":"Monte Carlo study of the Coincidence Resolving Time of a liquid xenon PET scanner, using Cherenkov radiation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07629","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:a780e69d60f98d2b961eaa61fc8375ec6f0b6611a38d5819a4aa1bffafb6680d","target":"record","created_at":"2026-05-18T00:33:17Z","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":"a7e50ba7acfd97c12d3c9ac3b12c2ada74a65582a54629f3fe7a7273c2d73f13","cross_cats_sorted":["physics.med-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-06-23T10:30:11Z","title_canon_sha256":"fbff611a6052249573ae70c2021db0ddb73c3cf1cee126523b83bb61943ff5bf"},"schema_version":"1.0","source":{"id":"1706.07629","kind":"arxiv","version":2}},"canonical_sha256":"b5a5abdb1beac15b248b5a5109ad2498ca6c842bb16fe2d2f06894801de2a482","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5a5abdb1beac15b248b5a5109ad2498ca6c842bb16fe2d2f06894801de2a482","first_computed_at":"2026-05-18T00:33:17.088368Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:17.088368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BLcaxjtKRc9mO3tMxoJ0XAdwBthZhVCxM/z11f+PIWm+VeBl/O+3TiY0zWxUPjzcJnIkZrpr/3Ir5aCeb8znDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:17.089041Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07629","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a780e69d60f98d2b961eaa61fc8375ec6f0b6611a38d5819a4aa1bffafb6680d","sha256:2ee7f7439f18660fd66a5f9be15ff9d2e55bd663e58c91059d0b2cdef4d22f1d"],"state_sha256":"6cac9d14ef98b8411beca0cacf733e0caf72762cf694edc4f72ff5b11dd197a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZOiDHuV7Sr+CeAh4gIaRfwEMeNUr23GSLguHFDR7C+iQqw3HffcsPo6UUHU4JbPFzLgOcJJxLmnXKwXfGplPCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:56:01.728102Z","bundle_sha256":"5a208a048feaa808a2738cf6f5985dd91974c57e4931f2002f7773550081e69b"}}