{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ASMIIDYA2OCYK7CH2GRS4SL2QJ","short_pith_number":"pith:ASMIIDYA","canonical_record":{"source":{"id":"1109.2160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-09T21:03:25Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"30c5b94c2b4ed3e6fed22ba6bc784714060f39b6b16410eddb84afbcbc291f2c","abstract_canon_sha256":"433a7bbb3671c2552156f59a83d05c2798e3532f4ce4664d1d10dd5459970eab"},"schema_version":"1.0"},"canonical_sha256":"0498840f00d385857c47d1a32e497a826a7d7bb54858dece44a89c1f8b1bbfcf","source":{"kind":"arxiv","id":"1109.2160","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2160","created_at":"2026-05-18T03:42:11Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2160v1","created_at":"2026-05-18T03:42:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2160","created_at":"2026-05-18T03:42:11Z"},{"alias_kind":"pith_short_12","alias_value":"ASMIIDYA2OCY","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ASMIIDYA2OCYK7CH","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ASMIIDYA","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ASMIIDYA2OCYK7CH2GRS4SL2QJ","target":"record","payload":{"canonical_record":{"source":{"id":"1109.2160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-09T21:03:25Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"30c5b94c2b4ed3e6fed22ba6bc784714060f39b6b16410eddb84afbcbc291f2c","abstract_canon_sha256":"433a7bbb3671c2552156f59a83d05c2798e3532f4ce4664d1d10dd5459970eab"},"schema_version":"1.0"},"canonical_sha256":"0498840f00d385857c47d1a32e497a826a7d7bb54858dece44a89c1f8b1bbfcf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:11.891536Z","signature_b64":"3evn/DwtTsSH+b+1tJRKL4boPhWbYrZmygcaDxo7YGwdIrtVo21XkkW/uotsbjn97MREVfS4J1F59vVCPzRRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0498840f00d385857c47d1a32e497a826a7d7bb54858dece44a89c1f8b1bbfcf","last_reissued_at":"2026-05-18T03:42:11.890774Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:11.890774Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.2160","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":"2026-05-18T03:42:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/joQvrVqwV6cfdYkwTa2NPUCzRavJT+Jve0VZqShVNNr/dCMwtn8HoXtWJG+tODXzztue7VOKUUvH5U0ysAqCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T03:15:02.780681Z"},"content_sha256":"d1a5966b56a3d7ffd7b32b73ef3e1ff0953b1e055058d8f236c67c1dac29f85e","schema_version":"1.0","event_id":"sha256:d1a5966b56a3d7ffd7b32b73ef3e1ff0953b1e055058d8f236c67c1dac29f85e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ASMIIDYA2OCYK7CH2GRS4SL2QJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stability analysis of surface ion traps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Arkadas Ozakin, Fayaz Shaikh","submitted_at":"2011-09-09T21:03:25Z","abstract_excerpt":"Motivated by recent developments in ion trap design and fabrication, we investigate the stability of ion motion in asymmetrical, planar versions of the classic Paul trap. The equations of motion of an ion in such a trap are generally coupled due to a nonzero relative angle $\\theta$ between the principal axes of RF and DC fields, invalidating the assumptions behind the standard stability analysis for symmetric Paul traps. We obtain stability diagrams for the coupled system for various values of $\\theta$, generalizing the standard $q$-$a$ stability diagrams. We use multi-scale perturbation theor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2160","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":"2026-05-18T03:42:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0dfAAhBsAi/rRf2Fznh9dZexdIluXbmc1ZPS7x/YAli8SSRaEr7IEHE970d6Mnh2S3pcC5G/mzA+QdZVVVbUDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T03:15:02.781022Z"},"content_sha256":"93ffe1db3c5bc3df796a8b43ae6d2a671796e6437f41de4367f2634c5a8e54df","schema_version":"1.0","event_id":"sha256:93ffe1db3c5bc3df796a8b43ae6d2a671796e6437f41de4367f2634c5a8e54df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ/bundle.json","state_url":"https://pith.science/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ/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":"2026-06-27T03:15:02Z","links":{"resolver":"https://pith.science/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ","bundle":"https://pith.science/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ/bundle.json","state":"https://pith.science/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ASMIIDYA2OCYK7CH2GRS4SL2QJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ASMIIDYA2OCYK7CH2GRS4SL2QJ","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":"433a7bbb3671c2552156f59a83d05c2798e3532f4ce4664d1d10dd5459970eab","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-09T21:03:25Z","title_canon_sha256":"30c5b94c2b4ed3e6fed22ba6bc784714060f39b6b16410eddb84afbcbc291f2c"},"schema_version":"1.0","source":{"id":"1109.2160","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2160","created_at":"2026-05-18T03:42:11Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2160v1","created_at":"2026-05-18T03:42:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2160","created_at":"2026-05-18T03:42:11Z"},{"alias_kind":"pith_short_12","alias_value":"ASMIIDYA2OCY","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ASMIIDYA2OCYK7CH","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ASMIIDYA","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:93ffe1db3c5bc3df796a8b43ae6d2a671796e6437f41de4367f2634c5a8e54df","target":"graph","created_at":"2026-05-18T03:42:11Z","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":"Motivated by recent developments in ion trap design and fabrication, we investigate the stability of ion motion in asymmetrical, planar versions of the classic Paul trap. The equations of motion of an ion in such a trap are generally coupled due to a nonzero relative angle $\\theta$ between the principal axes of RF and DC fields, invalidating the assumptions behind the standard stability analysis for symmetric Paul traps. We obtain stability diagrams for the coupled system for various values of $\\theta$, generalizing the standard $q$-$a$ stability diagrams. We use multi-scale perturbation theor","authors_text":"Arkadas Ozakin, Fayaz Shaikh","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-09T21:03:25Z","title":"Stability analysis of surface ion traps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2160","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:d1a5966b56a3d7ffd7b32b73ef3e1ff0953b1e055058d8f236c67c1dac29f85e","target":"record","created_at":"2026-05-18T03:42:11Z","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":"433a7bbb3671c2552156f59a83d05c2798e3532f4ce4664d1d10dd5459970eab","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-09T21:03:25Z","title_canon_sha256":"30c5b94c2b4ed3e6fed22ba6bc784714060f39b6b16410eddb84afbcbc291f2c"},"schema_version":"1.0","source":{"id":"1109.2160","kind":"arxiv","version":1}},"canonical_sha256":"0498840f00d385857c47d1a32e497a826a7d7bb54858dece44a89c1f8b1bbfcf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0498840f00d385857c47d1a32e497a826a7d7bb54858dece44a89c1f8b1bbfcf","first_computed_at":"2026-05-18T03:42:11.890774Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:42:11.890774Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3evn/DwtTsSH+b+1tJRKL4boPhWbYrZmygcaDxo7YGwdIrtVo21XkkW/uotsbjn97MREVfS4J1F59vVCPzRRDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:42:11.891536Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.2160","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1a5966b56a3d7ffd7b32b73ef3e1ff0953b1e055058d8f236c67c1dac29f85e","sha256:93ffe1db3c5bc3df796a8b43ae6d2a671796e6437f41de4367f2634c5a8e54df"],"state_sha256":"62c89e186cd2b574efa078454eedac22c7174abf818b37d4876133c29a6b8dc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E9X3HggW5UOn9qNf4bn8uXeB+fr2bJ+Oti7NVhms1Y9OG4t11KnEQ3psMmLhRCa2Ei5qKQhsbtYVre1Up9NFDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T03:15:02.782998Z","bundle_sha256":"568d756b71dae2b4f774b84982816d0eccac8eae40cb37b8dd5d2b4b47dd2cd1"}}