{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:MHCXSZDBY3SCFHUB2EUUQBWGMI","short_pith_number":"pith:MHCXSZDB","canonical_record":{"source":{"id":"1011.0311","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2010-11-01T12:50:21Z","cross_cats_sorted":["math.MP","physics.plasm-ph"],"title_canon_sha256":"4ee9a4c78c7b448f89ade4cd4f455fec31391ea1e8f80dc56f499733e6261807","abstract_canon_sha256":"65b63564097d4bd32fe54653a487733473d642d4cde9c3c5f38d09773f4f7553"},"schema_version":"1.0"},"canonical_sha256":"61c5796461c6e4229e81d1294806c66225c9ae1d3a227ca037a37fc9d9ac9552","source":{"kind":"arxiv","id":"1011.0311","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0311","created_at":"2026-05-18T04:26:53Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0311v2","created_at":"2026-05-18T04:26:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0311","created_at":"2026-05-18T04:26:53Z"},{"alias_kind":"pith_short_12","alias_value":"MHCXSZDBY3SC","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MHCXSZDBY3SCFHUB","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MHCXSZDB","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:MHCXSZDBY3SCFHUB2EUUQBWGMI","target":"record","payload":{"canonical_record":{"source":{"id":"1011.0311","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2010-11-01T12:50:21Z","cross_cats_sorted":["math.MP","physics.plasm-ph"],"title_canon_sha256":"4ee9a4c78c7b448f89ade4cd4f455fec31391ea1e8f80dc56f499733e6261807","abstract_canon_sha256":"65b63564097d4bd32fe54653a487733473d642d4cde9c3c5f38d09773f4f7553"},"schema_version":"1.0"},"canonical_sha256":"61c5796461c6e4229e81d1294806c66225c9ae1d3a227ca037a37fc9d9ac9552","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:53.975017Z","signature_b64":"qceoDOFAHuHDpj3bw72WiNXdQIGan2SsQ6LQbCmUZ7Xj9G88pyyyb/LGT2OrsgSk2CuVDcwgmiPJ4xTn4FcMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61c5796461c6e4229e81d1294806c66225c9ae1d3a227ca037a37fc9d9ac9552","last_reissued_at":"2026-05-18T04:26:53.974652Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:53.974652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.0311","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":"2026-05-18T04:26:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUmNULwnqpwgju5i5L+DiJ8tu4ytllhCLiD4IamWWem0xUqnRWoycS69EBXIdewt+UrCg69fCVUQxxkQh8DJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T22:05:04.745759Z"},"content_sha256":"412df3874c4ec2a84812a435b736337b406b6eb819800dabfab76c45d5f5e784","schema_version":"1.0","event_id":"sha256:412df3874c4ec2a84812a435b736337b406b6eb819800dabfab76c45d5f5e784"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:MHCXSZDBY3SCFHUB2EUUQBWGMI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resonant cyclotron acceleration of particles by a time periodic singular flux tube","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.MP","physics.plasm-ph"],"primary_cat":"math-ph","authors_text":"Joachim Asch, Pavel Stovicek, Tomas Kalvoda","submitted_at":"2010-11-01T12:50:21Z","abstract_excerpt":"We study the dynamics of a classical nonrelativistic charged particle moving on a punctured plane under the influence of a homogeneous magnetic field and driven by a periodically time-dependent singular flux tube through the hole. We observe an effect of resonance of the flux and cyclotron frequencies. The particle is accelerated to arbitrarily high energies even by a flux of small field strength which is not necessarily encircled by the cyclotron orbit; the cyclotron orbits blow up and the particle oscillates between the hole and infinity. We support this observation by an analytic study of a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0311","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":"2026-05-18T04:26:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KjiB6uebUapttWyF9jMQ1rIccND19WqHkmWx5/VuTCbsLsPSjzeM8D/dVo0O2faaIGWGxZP4B1hD9b9I7KVyCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T22:05:04.746136Z"},"content_sha256":"75f2d07432b7fa809e94eced481a302749f7fdf5314f0338bfdb4e5bf9a6dbd2","schema_version":"1.0","event_id":"sha256:75f2d07432b7fa809e94eced481a302749f7fdf5314f0338bfdb4e5bf9a6dbd2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI/bundle.json","state_url":"https://pith.science/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI/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":"2026-06-22T22:05:04Z","links":{"resolver":"https://pith.science/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI","bundle":"https://pith.science/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI/bundle.json","state":"https://pith.science/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MHCXSZDBY3SCFHUB2EUUQBWGMI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:MHCXSZDBY3SCFHUB2EUUQBWGMI","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":"65b63564097d4bd32fe54653a487733473d642d4cde9c3c5f38d09773f4f7553","cross_cats_sorted":["math.MP","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2010-11-01T12:50:21Z","title_canon_sha256":"4ee9a4c78c7b448f89ade4cd4f455fec31391ea1e8f80dc56f499733e6261807"},"schema_version":"1.0","source":{"id":"1011.0311","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0311","created_at":"2026-05-18T04:26:53Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0311v2","created_at":"2026-05-18T04:26:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0311","created_at":"2026-05-18T04:26:53Z"},{"alias_kind":"pith_short_12","alias_value":"MHCXSZDBY3SC","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MHCXSZDBY3SCFHUB","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MHCXSZDB","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:75f2d07432b7fa809e94eced481a302749f7fdf5314f0338bfdb4e5bf9a6dbd2","target":"graph","created_at":"2026-05-18T04:26:53Z","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":"We study the dynamics of a classical nonrelativistic charged particle moving on a punctured plane under the influence of a homogeneous magnetic field and driven by a periodically time-dependent singular flux tube through the hole. We observe an effect of resonance of the flux and cyclotron frequencies. The particle is accelerated to arbitrarily high energies even by a flux of small field strength which is not necessarily encircled by the cyclotron orbit; the cyclotron orbits blow up and the particle oscillates between the hole and infinity. We support this observation by an analytic study of a","authors_text":"Joachim Asch, Pavel Stovicek, Tomas Kalvoda","cross_cats":["math.MP","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2010-11-01T12:50:21Z","title":"Resonant cyclotron acceleration of particles by a time periodic singular flux tube"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0311","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":"sha256:412df3874c4ec2a84812a435b736337b406b6eb819800dabfab76c45d5f5e784","target":"record","created_at":"2026-05-18T04:26:53Z","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":"65b63564097d4bd32fe54653a487733473d642d4cde9c3c5f38d09773f4f7553","cross_cats_sorted":["math.MP","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2010-11-01T12:50:21Z","title_canon_sha256":"4ee9a4c78c7b448f89ade4cd4f455fec31391ea1e8f80dc56f499733e6261807"},"schema_version":"1.0","source":{"id":"1011.0311","kind":"arxiv","version":2}},"canonical_sha256":"61c5796461c6e4229e81d1294806c66225c9ae1d3a227ca037a37fc9d9ac9552","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61c5796461c6e4229e81d1294806c66225c9ae1d3a227ca037a37fc9d9ac9552","first_computed_at":"2026-05-18T04:26:53.974652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:53.974652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qceoDOFAHuHDpj3bw72WiNXdQIGan2SsQ6LQbCmUZ7Xj9G88pyyyb/LGT2OrsgSk2CuVDcwgmiPJ4xTn4FcMCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:53.975017Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.0311","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:412df3874c4ec2a84812a435b736337b406b6eb819800dabfab76c45d5f5e784","sha256:75f2d07432b7fa809e94eced481a302749f7fdf5314f0338bfdb4e5bf9a6dbd2"],"state_sha256":"b35c9c334c49ea9abc64ca13a060cebf04e4d747f8695bc430a509cc75285127"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OsvpP5VeYNx0Y+v5EmeygoLsFIeGdiIFDOP7ZpOsaqImjmPyHVhewcwAMYwr6h6Q+qdpzw0/u0VyEQSQSavcAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T22:05:04.749217Z","bundle_sha256":"cb9c4840884cc5c07ff20315339e62454a13f59e47cd52cdcde8b0ae25f8b25f"}}