{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Y654O4D5P4WGLAP3AAMW3DN4DQ","short_pith_number":"pith:Y654O4D5","canonical_record":{"source":{"id":"1110.2920","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-10-13T12:48:42Z","cross_cats_sorted":[],"title_canon_sha256":"63c35cd39497f8a530371b09476efc8a1303cf33573d75cc448c61aca1fdc359","abstract_canon_sha256":"978e08a23221ae065b17c7484d9d08c9c6c25bd1ad5b0879e4839765bd7b5988"},"schema_version":"1.0"},"canonical_sha256":"c7bbc7707d7f2c6581fb00196d8dbc1c1d393351152b3b62d2908db95363900e","source":{"kind":"arxiv","id":"1110.2920","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2920","created_at":"2026-05-18T02:00:12Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2920v1","created_at":"2026-05-18T02:00:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2920","created_at":"2026-05-18T02:00:12Z"},{"alias_kind":"pith_short_12","alias_value":"Y654O4D5P4WG","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y654O4D5P4WGLAP3","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y654O4D5","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Y654O4D5P4WGLAP3AAMW3DN4DQ","target":"record","payload":{"canonical_record":{"source":{"id":"1110.2920","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-10-13T12:48:42Z","cross_cats_sorted":[],"title_canon_sha256":"63c35cd39497f8a530371b09476efc8a1303cf33573d75cc448c61aca1fdc359","abstract_canon_sha256":"978e08a23221ae065b17c7484d9d08c9c6c25bd1ad5b0879e4839765bd7b5988"},"schema_version":"1.0"},"canonical_sha256":"c7bbc7707d7f2c6581fb00196d8dbc1c1d393351152b3b62d2908db95363900e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:12.792434Z","signature_b64":"cnlgyuT6ATCw+QtMHwKIB7bjD+iX2C/XFWxtL/wzBM4Fpok8YzdKLtMD8r7LULQTdbrx+/e9QvU18J540lIgBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7bbc7707d7f2c6581fb00196d8dbc1c1d393351152b3b62d2908db95363900e","last_reissued_at":"2026-05-18T02:00:12.791954Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:12.791954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.2920","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":"2026-05-18T02:00:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H1dJvRaOm690zZGhGjTegsrRVf7+CV0XLYgKp9YeLDT0LGdvCJsSPsO1zl0Yhttog+1VLVUhy5a4LcpzbsteAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:55:14.811614Z"},"content_sha256":"e3d14c89ecaf1cd06f0e682f227daa95b42bfb3d52f36174aef38c414ffa7ab5","schema_version":"1.0","event_id":"sha256:e3d14c89ecaf1cd06f0e682f227daa95b42bfb3d52f36174aef38c414ffa7ab5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Y654O4D5P4WGLAP3AAMW3DN4DQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The trap design of PENTATRAP","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. D\\\"orr, Ch. B\\\"ohm, C. Roux, J. Repp, K. Blaum, S. Eliseev, S. George, S. Sturm, S. Ulmer, Yu. Novikov","submitted_at":"2011-10-13T12:48:42Z","abstract_excerpt":"A novel Penning trap tower consisting of five compensated cylindrical Penning traps is developed for the PENTATRAP mass spectrometer at the Max-Planck-Institut f\\\"ur Kernphysik in Heidelberg, Germany. An analytical expression for the electrostatic potential inside the trap tower is derived to calculate standard Penning trap properties like the compensation of anharmonicities and an orthogonal geometry of the trap electrodes. Since the PENTATRAP project described in the preceding article aims for ultra high-precision mass-ratio measurements of highly charged ions up to uranium, systematic effec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2920","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":"2026-05-18T02:00:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sTbQJJ8c75kTOCOSqp5xzZg51Qzis0fsAkfRI5i89hihmqenvL8vcuSppepfMb8rAcuR7G0QXdKhoTDZyw8yDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:55:14.811959Z"},"content_sha256":"91ea9f5baefb8b0462d3c9ba7f5ff099099984786dae6c1cca645b498adadb5d","schema_version":"1.0","event_id":"sha256:91ea9f5baefb8b0462d3c9ba7f5ff099099984786dae6c1cca645b498adadb5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ/bundle.json","state_url":"https://pith.science/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ/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":"2026-05-28T14:55:14Z","links":{"resolver":"https://pith.science/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ","bundle":"https://pith.science/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ/bundle.json","state":"https://pith.science/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y654O4D5P4WGLAP3AAMW3DN4DQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Y654O4D5P4WGLAP3AAMW3DN4DQ","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":"978e08a23221ae065b17c7484d9d08c9c6c25bd1ad5b0879e4839765bd7b5988","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-10-13T12:48:42Z","title_canon_sha256":"63c35cd39497f8a530371b09476efc8a1303cf33573d75cc448c61aca1fdc359"},"schema_version":"1.0","source":{"id":"1110.2920","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2920","created_at":"2026-05-18T02:00:12Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2920v1","created_at":"2026-05-18T02:00:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2920","created_at":"2026-05-18T02:00:12Z"},{"alias_kind":"pith_short_12","alias_value":"Y654O4D5P4WG","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y654O4D5P4WGLAP3","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y654O4D5","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:91ea9f5baefb8b0462d3c9ba7f5ff099099984786dae6c1cca645b498adadb5d","target":"graph","created_at":"2026-05-18T02:00:12Z","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":"A novel Penning trap tower consisting of five compensated cylindrical Penning traps is developed for the PENTATRAP mass spectrometer at the Max-Planck-Institut f\\\"ur Kernphysik in Heidelberg, Germany. An analytical expression for the electrostatic potential inside the trap tower is derived to calculate standard Penning trap properties like the compensation of anharmonicities and an orthogonal geometry of the trap electrodes. Since the PENTATRAP project described in the preceding article aims for ultra high-precision mass-ratio measurements of highly charged ions up to uranium, systematic effec","authors_text":"A. D\\\"orr, Ch. B\\\"ohm, C. Roux, J. Repp, K. Blaum, S. Eliseev, S. George, S. Sturm, S. Ulmer, Yu. Novikov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-10-13T12:48:42Z","title":"The trap design of PENTATRAP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2920","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:e3d14c89ecaf1cd06f0e682f227daa95b42bfb3d52f36174aef38c414ffa7ab5","target":"record","created_at":"2026-05-18T02:00:12Z","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":"978e08a23221ae065b17c7484d9d08c9c6c25bd1ad5b0879e4839765bd7b5988","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-10-13T12:48:42Z","title_canon_sha256":"63c35cd39497f8a530371b09476efc8a1303cf33573d75cc448c61aca1fdc359"},"schema_version":"1.0","source":{"id":"1110.2920","kind":"arxiv","version":1}},"canonical_sha256":"c7bbc7707d7f2c6581fb00196d8dbc1c1d393351152b3b62d2908db95363900e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7bbc7707d7f2c6581fb00196d8dbc1c1d393351152b3b62d2908db95363900e","first_computed_at":"2026-05-18T02:00:12.791954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:12.791954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cnlgyuT6ATCw+QtMHwKIB7bjD+iX2C/XFWxtL/wzBM4Fpok8YzdKLtMD8r7LULQTdbrx+/e9QvU18J540lIgBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:12.792434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2920","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3d14c89ecaf1cd06f0e682f227daa95b42bfb3d52f36174aef38c414ffa7ab5","sha256:91ea9f5baefb8b0462d3c9ba7f5ff099099984786dae6c1cca645b498adadb5d"],"state_sha256":"90875bbf3160229d81082032ea14107fe034192768d6a2ff63281c7a61f406f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ucZkAHLvSE/lNIdOldS8Mobz3gGLC/p1hmKE74y6G4H5TLGjrG3PPFVwqA0wW5/abOehACgrZVe/ssoMBSDXAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:55:14.813904Z","bundle_sha256":"92d9d5c269921159173e2123d70e7211db7c8ef3cf33bc839a7b104e4e7874e9"}}