{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:FIPA2L4PFRILGAY3IBXOK66U47","short_pith_number":"pith:FIPA2L4P","canonical_record":{"source":{"id":"1309.1157","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-09-04T18:43:12Z","cross_cats_sorted":[],"title_canon_sha256":"15dfd9d96464618c387f2cab733e776454639621790879cd9f48b6eb6e764644","abstract_canon_sha256":"9306813f7c09ccb8cc9284b919fb46febd5dadbf9ac8dbf9ae8e4080519b12f3"},"schema_version":"1.0"},"canonical_sha256":"2a1e0d2f8f2c50b3031b406ee57bd4e7f33f808680d69216e7c26cc7921d0515","source":{"kind":"arxiv","id":"1309.1157","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1157","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1157v2","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1157","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"FIPA2L4PFRIL","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"FIPA2L4PFRILGAY3","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"FIPA2L4P","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:FIPA2L4PFRILGAY3IBXOK66U47","target":"record","payload":{"canonical_record":{"source":{"id":"1309.1157","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-09-04T18:43:12Z","cross_cats_sorted":[],"title_canon_sha256":"15dfd9d96464618c387f2cab733e776454639621790879cd9f48b6eb6e764644","abstract_canon_sha256":"9306813f7c09ccb8cc9284b919fb46febd5dadbf9ac8dbf9ae8e4080519b12f3"},"schema_version":"1.0"},"canonical_sha256":"2a1e0d2f8f2c50b3031b406ee57bd4e7f33f808680d69216e7c26cc7921d0515","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:32.359886Z","signature_b64":"VToVbMOC9JkFMiBtG5oVcghZg7YrODXgfU3+dfavENmn/7q0GS2dm7t8/q1+GT/EmkTql/1/bx5Cs6vBOeTCDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a1e0d2f8f2c50b3031b406ee57bd4e7f33f808680d69216e7c26cc7921d0515","last_reissued_at":"2026-05-18T02:50:32.359412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:32.359412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.1157","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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T5rkz8QDA1a7A3QKMVXm5eD3fTwSCt/MgaNIIyWgyOSFbmCcLb8bax4KislT3kOfWEMYWg+nhwivUs4HyoawCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T03:22:57.557395Z"},"content_sha256":"f975e01245cbd870cb64619f3611dc659700ff8231651261fff069274ce30ac6","schema_version":"1.0","event_id":"sha256:f975e01245cbd870cb64619f3611dc659700ff8231651261fff069274ce30ac6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:FIPA2L4PFRILGAY3IBXOK66U47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interferometry with relativistic electrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Karl-Peter Marzlin, Thomas Lee","submitted_at":"2013-09-04T18:43:12Z","abstract_excerpt":"We propose an experiment to test the influence of Lorentz contraction on the interference pattern of a beam of electrons. The electron beam is split and recombined by two pairs of bi-chromatic laser pulses, using a variation of the Kapitza-Dirac effect. Between the pairs the electrons are accelerated to relativistic speed. We show that Lorentz contraction of the distance between two partial beams will then lead to a reduction of fringe visibility. The connection of the proposal to Bell's spaceship paradox is discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1157","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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bLAv3qxDwlt1306F5OI2e7ZufpmOWqUR3xIFnAY/J1lUR0rycCq05+jsxtAaN87qyAgeT7cQjCpIRSB9D1KgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T03:22:57.557743Z"},"content_sha256":"c49ba35a6fd3f3bf756c474d875e0eaf4cf971c610e0da913ae6b4a84a2818e5","schema_version":"1.0","event_id":"sha256:c49ba35a6fd3f3bf756c474d875e0eaf4cf971c610e0da913ae6b4a84a2818e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FIPA2L4PFRILGAY3IBXOK66U47/bundle.json","state_url":"https://pith.science/pith/FIPA2L4PFRILGAY3IBXOK66U47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FIPA2L4PFRILGAY3IBXOK66U47/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":"2026-06-03T03:22:57Z","links":{"resolver":"https://pith.science/pith/FIPA2L4PFRILGAY3IBXOK66U47","bundle":"https://pith.science/pith/FIPA2L4PFRILGAY3IBXOK66U47/bundle.json","state":"https://pith.science/pith/FIPA2L4PFRILGAY3IBXOK66U47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FIPA2L4PFRILGAY3IBXOK66U47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:FIPA2L4PFRILGAY3IBXOK66U47","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":"9306813f7c09ccb8cc9284b919fb46febd5dadbf9ac8dbf9ae8e4080519b12f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-09-04T18:43:12Z","title_canon_sha256":"15dfd9d96464618c387f2cab733e776454639621790879cd9f48b6eb6e764644"},"schema_version":"1.0","source":{"id":"1309.1157","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1157","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1157v2","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1157","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"FIPA2L4PFRIL","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"FIPA2L4PFRILGAY3","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"FIPA2L4P","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:c49ba35a6fd3f3bf756c474d875e0eaf4cf971c610e0da913ae6b4a84a2818e5","target":"graph","created_at":"2026-05-18T02:50:32Z","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 to test the influence of Lorentz contraction on the interference pattern of a beam of electrons. The electron beam is split and recombined by two pairs of bi-chromatic laser pulses, using a variation of the Kapitza-Dirac effect. Between the pairs the electrons are accelerated to relativistic speed. We show that Lorentz contraction of the distance between two partial beams will then lead to a reduction of fringe visibility. The connection of the proposal to Bell's spaceship paradox is discussed.","authors_text":"Karl-Peter Marzlin, Thomas Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-09-04T18:43:12Z","title":"Interferometry with relativistic electrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1157","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:f975e01245cbd870cb64619f3611dc659700ff8231651261fff069274ce30ac6","target":"record","created_at":"2026-05-18T02:50:32Z","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":"9306813f7c09ccb8cc9284b919fb46febd5dadbf9ac8dbf9ae8e4080519b12f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-09-04T18:43:12Z","title_canon_sha256":"15dfd9d96464618c387f2cab733e776454639621790879cd9f48b6eb6e764644"},"schema_version":"1.0","source":{"id":"1309.1157","kind":"arxiv","version":2}},"canonical_sha256":"2a1e0d2f8f2c50b3031b406ee57bd4e7f33f808680d69216e7c26cc7921d0515","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a1e0d2f8f2c50b3031b406ee57bd4e7f33f808680d69216e7c26cc7921d0515","first_computed_at":"2026-05-18T02:50:32.359412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:32.359412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VToVbMOC9JkFMiBtG5oVcghZg7YrODXgfU3+dfavENmn/7q0GS2dm7t8/q1+GT/EmkTql/1/bx5Cs6vBOeTCDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:32.359886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.1157","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f975e01245cbd870cb64619f3611dc659700ff8231651261fff069274ce30ac6","sha256:c49ba35a6fd3f3bf756c474d875e0eaf4cf971c610e0da913ae6b4a84a2818e5"],"state_sha256":"3a79372de33c175845bc9515b2503e8a6506bcd1a06f2d4725da01862aec0410"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pYJmMQGU3h8lu9QK2ccmK6ZXe93RQ8LC6KEZl1JjJhJAP6WETuZ3id+N5sEhkp1GSYFevjHOFuWQflyu/WyXBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T03:22:57.559726Z","bundle_sha256":"2abb9e3d0eb58f851231829e7b8f59bac7735e84549bf78a585aa5077eb26e1e"}}