{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:KKHEFRWUVI6YG3KGLRBD3M3VD4","short_pith_number":"pith:KKHEFRWU","canonical_record":{"source":{"id":"0812.4773","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-12-27T22:04:39Z","cross_cats_sorted":[],"title_canon_sha256":"f80d32ecd9f6875d549698c218b02dd91b920543561eb980a6547ae9aa39243c","abstract_canon_sha256":"b83fa7359b7aff1d71843ffea2ed6072d1904e80f20747855f25a115d614885a"},"schema_version":"1.0"},"canonical_sha256":"528e42c6d4aa3d836d465c423db3751f271a745fbaa0b5ebba8ad7427dff5705","source":{"kind":"arxiv","id":"0812.4773","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.4773","created_at":"2026-05-18T04:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"0812.4773v2","created_at":"2026-05-18T04:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4773","created_at":"2026-05-18T04:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"KKHEFRWUVI6Y","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KKHEFRWUVI6YG3KG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KKHEFRWU","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:KKHEFRWUVI6YG3KGLRBD3M3VD4","target":"record","payload":{"canonical_record":{"source":{"id":"0812.4773","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-12-27T22:04:39Z","cross_cats_sorted":[],"title_canon_sha256":"f80d32ecd9f6875d549698c218b02dd91b920543561eb980a6547ae9aa39243c","abstract_canon_sha256":"b83fa7359b7aff1d71843ffea2ed6072d1904e80f20747855f25a115d614885a"},"schema_version":"1.0"},"canonical_sha256":"528e42c6d4aa3d836d465c423db3751f271a745fbaa0b5ebba8ad7427dff5705","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:05:46.204624Z","signature_b64":"LOjswoXqe9ldfDYsgqqP6avvU78K+1RCTAHhUeEcDTfS17uug7IL7+is1NAYGg/pXmzCTy4/SOkSs46mgN2dCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"528e42c6d4aa3d836d465c423db3751f271a745fbaa0b5ebba8ad7427dff5705","last_reissued_at":"2026-05-18T04:05:46.204252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:05:46.204252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.4773","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":"2026-05-18T04:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARYz510gEQvvHtXergHrEBj9UkADIvOiL9iQ0iJagtG045ykvJg26CC37lh+qCxoCY9Cow2HWQRw85UfPtWHBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T23:47:47.918984Z"},"content_sha256":"3dd14d05d2b6e171ad04eba0e66b7f4c8d7fc3ba4040692be6880bf5c52c6710","schema_version":"1.0","event_id":"sha256:3dd14d05d2b6e171ad04eba0e66b7f4c8d7fc3ba4040692be6880bf5c52c6710"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:KKHEFRWUVI6YG3KGLRBD3M3VD4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theory of electron Zitterbewegung in graphene probed by femtosecond laser pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Tomasz M. Rusin, Wlodek Zawadzki","submitted_at":"2008-12-27T22:04:39Z","abstract_excerpt":"We propose an experiment allowing an observation of Zitterbewegung (ZB, trembling motion) of electrons in graphene in the presence of a magnetic field. In contrast to the existing theoretical work we make no assumptions concerning shape of the electron wave packet. A femtosecond Gaussian laser pulse excites electrons from the valence $n=-1$ Landau level into three other levels, creating an oscillating electron wave packet with interband and intraband frequencies. Oscillations of an average position of the packet are directly related to the induced dipole moment and oscillations of the average "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4773","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":"2026-05-18T04:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F7NcBZsem0NAs+cSaf8F//tenf4ODkl5XtvYnZknih6l6ZSt0PYOcbvktamXi4glmFabt5vCsozKz7LAmrANCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T23:47:47.919722Z"},"content_sha256":"145010d3578e07cb23f7aae5f667983372ef4ed1e720d54f7589d8e6aff311f2","schema_version":"1.0","event_id":"sha256:145010d3578e07cb23f7aae5f667983372ef4ed1e720d54f7589d8e6aff311f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4/bundle.json","state_url":"https://pith.science/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4/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":"2026-06-06T23:47:47Z","links":{"resolver":"https://pith.science/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4","bundle":"https://pith.science/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4/bundle.json","state":"https://pith.science/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KKHEFRWUVI6YG3KGLRBD3M3VD4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:KKHEFRWUVI6YG3KGLRBD3M3VD4","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":"b83fa7359b7aff1d71843ffea2ed6072d1904e80f20747855f25a115d614885a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-12-27T22:04:39Z","title_canon_sha256":"f80d32ecd9f6875d549698c218b02dd91b920543561eb980a6547ae9aa39243c"},"schema_version":"1.0","source":{"id":"0812.4773","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.4773","created_at":"2026-05-18T04:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"0812.4773v2","created_at":"2026-05-18T04:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4773","created_at":"2026-05-18T04:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"KKHEFRWUVI6Y","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KKHEFRWUVI6YG3KG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KKHEFRWU","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:145010d3578e07cb23f7aae5f667983372ef4ed1e720d54f7589d8e6aff311f2","target":"graph","created_at":"2026-05-18T04:05:46Z","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 propose an experiment allowing an observation of Zitterbewegung (ZB, trembling motion) of electrons in graphene in the presence of a magnetic field. In contrast to the existing theoretical work we make no assumptions concerning shape of the electron wave packet. A femtosecond Gaussian laser pulse excites electrons from the valence $n=-1$ Landau level into three other levels, creating an oscillating electron wave packet with interband and intraband frequencies. Oscillations of an average position of the packet are directly related to the induced dipole moment and oscillations of the average ","authors_text":"Tomasz M. Rusin, Wlodek Zawadzki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-12-27T22:04:39Z","title":"Theory of electron Zitterbewegung in graphene probed by femtosecond laser pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4773","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":"sha256:3dd14d05d2b6e171ad04eba0e66b7f4c8d7fc3ba4040692be6880bf5c52c6710","target":"record","created_at":"2026-05-18T04:05:46Z","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":"b83fa7359b7aff1d71843ffea2ed6072d1904e80f20747855f25a115d614885a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-12-27T22:04:39Z","title_canon_sha256":"f80d32ecd9f6875d549698c218b02dd91b920543561eb980a6547ae9aa39243c"},"schema_version":"1.0","source":{"id":"0812.4773","kind":"arxiv","version":2}},"canonical_sha256":"528e42c6d4aa3d836d465c423db3751f271a745fbaa0b5ebba8ad7427dff5705","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"528e42c6d4aa3d836d465c423db3751f271a745fbaa0b5ebba8ad7427dff5705","first_computed_at":"2026-05-18T04:05:46.204252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:05:46.204252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LOjswoXqe9ldfDYsgqqP6avvU78K+1RCTAHhUeEcDTfS17uug7IL7+is1NAYGg/pXmzCTy4/SOkSs46mgN2dCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:05:46.204624Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.4773","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3dd14d05d2b6e171ad04eba0e66b7f4c8d7fc3ba4040692be6880bf5c52c6710","sha256:145010d3578e07cb23f7aae5f667983372ef4ed1e720d54f7589d8e6aff311f2"],"state_sha256":"e4a787b2abc07ed9bb15817d8965e141f49c43225f5ab2238258d1f44244df09"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"81pu8VjhHZPba61DJY6yXcWZWcuE4SZ94cTeqB9pDtKg3JJCoh7DYE5mDnWmFIZfaUDeLUwRfmMETrZO4gEfAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T23:47:47.924621Z","bundle_sha256":"4194a1832d54daf691f9ee3f99c26f165ee1348a526ca592442e022a40c41d5e"}}