{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HSGHGLWBMMRU7F6EFZUU63EHOU","short_pith_number":"pith:HSGHGLWB","canonical_record":{"source":{"id":"1508.00058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-08-01T00:26:23Z","cross_cats_sorted":[],"title_canon_sha256":"5c45d589e1181045f86e774067195e29b97517d66c935c5a03b704374d16cc6d","abstract_canon_sha256":"9098a88add7f548971927a0a3af894ed6edcdccb5cc7ba2dc9e0f121a2269c49"},"schema_version":"1.0"},"canonical_sha256":"3c8c732ec163234f97c42e694f6c87753ce69b250217ab9a4747b4a0a031f3ed","source":{"kind":"arxiv","id":"1508.00058","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00058","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00058v1","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00058","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"pith_short_12","alias_value":"HSGHGLWBMMRU","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HSGHGLWBMMRU7F6E","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HSGHGLWB","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HSGHGLWBMMRU7F6EFZUU63EHOU","target":"record","payload":{"canonical_record":{"source":{"id":"1508.00058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-08-01T00:26:23Z","cross_cats_sorted":[],"title_canon_sha256":"5c45d589e1181045f86e774067195e29b97517d66c935c5a03b704374d16cc6d","abstract_canon_sha256":"9098a88add7f548971927a0a3af894ed6edcdccb5cc7ba2dc9e0f121a2269c49"},"schema_version":"1.0"},"canonical_sha256":"3c8c732ec163234f97c42e694f6c87753ce69b250217ab9a4747b4a0a031f3ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:59.212781Z","signature_b64":"fHy4UeW357YLMFGdSRjsGwDpjDkXnGoa+qUGdy4Q5qakLg1bTEgNu035hBObJjmodG/Lq4/04agVVBm6RhHWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c8c732ec163234f97c42e694f6c87753ce69b250217ab9a4747b4a0a031f3ed","last_reissued_at":"2026-05-18T01:35:59.212246Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:59.212246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.00058","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":"2026-05-18T01:35:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8QbexSQrQz12JSnAcadhxY1NKbwSOPREZ2Hw+rMacFGi3HhWjPNJSu9NQnlMj20NX30Ap34fFI92MK3uuWOEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:56:43.675744Z"},"content_sha256":"e7c33cc5f1b4a11901728cd0d47a66f5679763b69209dd5c77c8a4c6c542336c","schema_version":"1.0","event_id":"sha256:e7c33cc5f1b4a11901728cd0d47a66f5679763b69209dd5c77c8a4c6c542336c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HSGHGLWBMMRU7F6EFZUU63EHOU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsic Third Order Aberrations in Electrostatic and Magnetic Quadrupoles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"R. Baartman","submitted_at":"2015-08-01T00:26:23Z","abstract_excerpt":"Intrinsic aberrations are those which occur due to the finite length of the desired field configuration. They are often loosely ascribed to the fringing field. This is misleading as it implies that the effects can be minimized by shaping the fields. In fact, there is an irreducible component related to the broken symmetry. It is present even in the hard-edge limit, and moreover, the other (soft-edge) effects can be simply ascribed to the intrinsic aberration spread over a finite length.\n  We rederive the aberration formulas for quadrupoles using a Hamiltonian formalism. This allows for an easy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00058","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":"2026-05-18T01:35:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wciQXkRIVQDcuhK26Iw43DYRj86VN0J1Y3JEgFjFAT062/M9sFV+lac8111WOuBHwD5ZGrh1qwjFQcEA6FKNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:56:43.676172Z"},"content_sha256":"435a1b0afe2c5481c9eb398d411fab96df60ec636419eba31345d0222eda389e","schema_version":"1.0","event_id":"sha256:435a1b0afe2c5481c9eb398d411fab96df60ec636419eba31345d0222eda389e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HSGHGLWBMMRU7F6EFZUU63EHOU/bundle.json","state_url":"https://pith.science/pith/HSGHGLWBMMRU7F6EFZUU63EHOU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HSGHGLWBMMRU7F6EFZUU63EHOU/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":"2026-06-07T04:56:43Z","links":{"resolver":"https://pith.science/pith/HSGHGLWBMMRU7F6EFZUU63EHOU","bundle":"https://pith.science/pith/HSGHGLWBMMRU7F6EFZUU63EHOU/bundle.json","state":"https://pith.science/pith/HSGHGLWBMMRU7F6EFZUU63EHOU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HSGHGLWBMMRU7F6EFZUU63EHOU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HSGHGLWBMMRU7F6EFZUU63EHOU","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":"9098a88add7f548971927a0a3af894ed6edcdccb5cc7ba2dc9e0f121a2269c49","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-08-01T00:26:23Z","title_canon_sha256":"5c45d589e1181045f86e774067195e29b97517d66c935c5a03b704374d16cc6d"},"schema_version":"1.0","source":{"id":"1508.00058","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00058","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00058v1","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00058","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"pith_short_12","alias_value":"HSGHGLWBMMRU","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HSGHGLWBMMRU7F6E","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HSGHGLWB","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:435a1b0afe2c5481c9eb398d411fab96df60ec636419eba31345d0222eda389e","target":"graph","created_at":"2026-05-18T01:35:59Z","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":"Intrinsic aberrations are those which occur due to the finite length of the desired field configuration. They are often loosely ascribed to the fringing field. This is misleading as it implies that the effects can be minimized by shaping the fields. In fact, there is an irreducible component related to the broken symmetry. It is present even in the hard-edge limit, and moreover, the other (soft-edge) effects can be simply ascribed to the intrinsic aberration spread over a finite length.\n  We rederive the aberration formulas for quadrupoles using a Hamiltonian formalism. This allows for an easy","authors_text":"R. Baartman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-08-01T00:26:23Z","title":"Intrinsic Third Order Aberrations in Electrostatic and Magnetic Quadrupoles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00058","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:e7c33cc5f1b4a11901728cd0d47a66f5679763b69209dd5c77c8a4c6c542336c","target":"record","created_at":"2026-05-18T01:35:59Z","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":"9098a88add7f548971927a0a3af894ed6edcdccb5cc7ba2dc9e0f121a2269c49","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-08-01T00:26:23Z","title_canon_sha256":"5c45d589e1181045f86e774067195e29b97517d66c935c5a03b704374d16cc6d"},"schema_version":"1.0","source":{"id":"1508.00058","kind":"arxiv","version":1}},"canonical_sha256":"3c8c732ec163234f97c42e694f6c87753ce69b250217ab9a4747b4a0a031f3ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c8c732ec163234f97c42e694f6c87753ce69b250217ab9a4747b4a0a031f3ed","first_computed_at":"2026-05-18T01:35:59.212246Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:59.212246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fHy4UeW357YLMFGdSRjsGwDpjDkXnGoa+qUGdy4Q5qakLg1bTEgNu035hBObJjmodG/Lq4/04agVVBm6RhHWAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:59.212781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00058","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7c33cc5f1b4a11901728cd0d47a66f5679763b69209dd5c77c8a4c6c542336c","sha256:435a1b0afe2c5481c9eb398d411fab96df60ec636419eba31345d0222eda389e"],"state_sha256":"b82c18a13f7f2f9b0ba67a8d6776438be16af782da310f9cb6e130fa91569eef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZNC3q7xNbxepCx80J1enepnLpYZg8j0P5gJrCy10uMx45qHGrHRv5IAYkmaYT9p0V064YzI5dlq3747H+j8NCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T04:56:43.678931Z","bundle_sha256":"53ad07f0a42a9f978c553b80ddc103ae9c81a7dbe5c3d6619ece0700920011f2"}}