{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZYPFTMJXSW4CF36UEDIDF7GJMM","short_pith_number":"pith:ZYPFTMJX","canonical_record":{"source":{"id":"1810.09246","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-10-18T05:49:59Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"fdd30fe7a97b8be8a7bcfc7f405ac81faf14ac662cfa18875f960079d5d588ef","abstract_canon_sha256":"e2f5cf3ed93844e9cec7d9d1ce47eeca5865ba83da0c2abec3ade79fa2570c2c"},"schema_version":"1.0"},"canonical_sha256":"ce1e59b13795b822efd420d032fcc9630032bc8360c5b39cdce1cfa300240fc8","source":{"kind":"arxiv","id":"1810.09246","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09246","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09246v5","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09246","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZYPFTMJXSW4C","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"pith_short_16","alias_value":"ZYPFTMJXSW4CF36U","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"pith_short_8","alias_value":"ZYPFTMJX","created_at":"2026-07-05T05:04:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZYPFTMJXSW4CF36UEDIDF7GJMM","target":"record","payload":{"canonical_record":{"source":{"id":"1810.09246","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-10-18T05:49:59Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"fdd30fe7a97b8be8a7bcfc7f405ac81faf14ac662cfa18875f960079d5d588ef","abstract_canon_sha256":"e2f5cf3ed93844e9cec7d9d1ce47eeca5865ba83da0c2abec3ade79fa2570c2c"},"schema_version":"1.0"},"canonical_sha256":"ce1e59b13795b822efd420d032fcc9630032bc8360c5b39cdce1cfa300240fc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:04:58.230958Z","signature_b64":"clk+3B6Wi9jwP84SIni8BJn5VCKLkMDl3yw8u49f2mMfwDCgqUj3TVoW+GS9ZKx/hlyJxo0dTAQsP2GfihSzCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce1e59b13795b822efd420d032fcc9630032bc8360c5b39cdce1cfa300240fc8","last_reissued_at":"2026-07-05T05:04:58.230607Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:04:58.230607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.09246","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wocOj+cfiZ0aJUaHNHxjlN2MVngoaUs7pD5Qg7/33b4fDLt98VpD36s7lzGjflUQnpuO2Z/bNaHup20EexPOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T18:40:36.185751Z"},"content_sha256":"a00e7381e23d1b8cf60889e571120a18f0d8d2a4f4166e1b49e4eb25f574e23c","schema_version":"1.0","event_id":"sha256:a00e7381e23d1b8cf60889e571120a18f0d8d2a4f4166e1b49e4eb25f574e23c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZYPFTMJXSW4CF36UEDIDF7GJMM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The open LPC Paul trap for precision measurements in beta decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.ins-det","authors_text":"A. M\\'ery, B. M. Retailleau, D. Durand, D. Rodriguez, E. Li\\'enard, F. Mauger, G. Ban, G. Qu\\'em\\'ener, J. C. Thomas, M. Benali, M. Herbane, O. Naviliat-Cuncic, P. Delahaye, P. Ujic, X. Fabian, X. Fl\\'echard, Y. Merrer","submitted_at":"2018-10-18T05:49:59Z","abstract_excerpt":"The LPCTrap experiment uses an open Paul trap which was built to enable precision measurements in the beta decay of radioactive ions. The initial goal was the precise measurement of the beta-neutrino angular correlation coefficient in the decay of 6He. Its geometry results from a careful optimization of the harmonic potential created by cylindrical electrodes. It supersedes previously considered geometries that presented a smaller detection solid angle to the beta particle and the recoiling ion. We describe here the methods which were used for the potential optimization, and we present the mea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09246","kind":"arxiv","version":5},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1810.09246/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:04:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"32Cp3sZlQvajbla7e0WjMLjbmdECBmJHee9ZNGjs5Dr9zAzhDOAF9v22PpRkx2r/YKmsld+Q9Gf49PieljApBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T18:40:36.186138Z"},"content_sha256":"88931c9a5182cd0990846270c03196ab52335f4fc04beac9d12090f17b8c3876","schema_version":"1.0","event_id":"sha256:88931c9a5182cd0990846270c03196ab52335f4fc04beac9d12090f17b8c3876"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM/bundle.json","state_url":"https://pith.science/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM/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":"2026-07-08T18:40:36Z","links":{"resolver":"https://pith.science/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM","bundle":"https://pith.science/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM/bundle.json","state":"https://pith.science/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZYPFTMJXSW4CF36UEDIDF7GJMM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZYPFTMJXSW4CF36UEDIDF7GJMM","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":"e2f5cf3ed93844e9cec7d9d1ce47eeca5865ba83da0c2abec3ade79fa2570c2c","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-10-18T05:49:59Z","title_canon_sha256":"fdd30fe7a97b8be8a7bcfc7f405ac81faf14ac662cfa18875f960079d5d588ef"},"schema_version":"1.0","source":{"id":"1810.09246","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09246","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09246v5","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09246","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZYPFTMJXSW4C","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"pith_short_16","alias_value":"ZYPFTMJXSW4CF36U","created_at":"2026-07-05T05:04:58Z"},{"alias_kind":"pith_short_8","alias_value":"ZYPFTMJX","created_at":"2026-07-05T05:04:58Z"}],"graph_snapshots":[{"event_id":"sha256:88931c9a5182cd0990846270c03196ab52335f4fc04beac9d12090f17b8c3876","target":"graph","created_at":"2026-07-05T05:04:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1810.09246/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The LPCTrap experiment uses an open Paul trap which was built to enable precision measurements in the beta decay of radioactive ions. The initial goal was the precise measurement of the beta-neutrino angular correlation coefficient in the decay of 6He. Its geometry results from a careful optimization of the harmonic potential created by cylindrical electrodes. It supersedes previously considered geometries that presented a smaller detection solid angle to the beta particle and the recoiling ion. We describe here the methods which were used for the potential optimization, and we present the mea","authors_text":"A. M\\'ery, B. M. Retailleau, D. Durand, D. Rodriguez, E. Li\\'enard, F. Mauger, G. Ban, G. Qu\\'em\\'ener, J. C. Thomas, M. Benali, M. Herbane, O. Naviliat-Cuncic, P. Delahaye, P. Ujic, X. Fabian, X. Fl\\'echard, Y. Merrer","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-10-18T05:49:59Z","title":"The open LPC Paul trap for precision measurements in beta decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09246","kind":"arxiv","version":5},"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:a00e7381e23d1b8cf60889e571120a18f0d8d2a4f4166e1b49e4eb25f574e23c","target":"record","created_at":"2026-07-05T05:04:58Z","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":"e2f5cf3ed93844e9cec7d9d1ce47eeca5865ba83da0c2abec3ade79fa2570c2c","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-10-18T05:49:59Z","title_canon_sha256":"fdd30fe7a97b8be8a7bcfc7f405ac81faf14ac662cfa18875f960079d5d588ef"},"schema_version":"1.0","source":{"id":"1810.09246","kind":"arxiv","version":5}},"canonical_sha256":"ce1e59b13795b822efd420d032fcc9630032bc8360c5b39cdce1cfa300240fc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce1e59b13795b822efd420d032fcc9630032bc8360c5b39cdce1cfa300240fc8","first_computed_at":"2026-07-05T05:04:58.230607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:04:58.230607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"clk+3B6Wi9jwP84SIni8BJn5VCKLkMDl3yw8u49f2mMfwDCgqUj3TVoW+GS9ZKx/hlyJxo0dTAQsP2GfihSzCg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:04:58.230958Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.09246","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a00e7381e23d1b8cf60889e571120a18f0d8d2a4f4166e1b49e4eb25f574e23c","sha256:88931c9a5182cd0990846270c03196ab52335f4fc04beac9d12090f17b8c3876"],"state_sha256":"a9e568603624538dae7bdfdd46629d4cfc78ee66ae7d6b02729439b4a0721dc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ouad50mkdZrmYNsbgDuZlWCsTMmBcomSsO1oJOUpEABBfDuEypJ0s3ELzuWplpwJerPJFj6YS4JypzelLlZlDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T18:40:36.188412Z","bundle_sha256":"911eab41731cd06a4692ee3eb4119d559b660c60bf895d6daf7803786442a1cd"}}