{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VVG2PVLX4CMJ5OXWTGML37NCKJ","short_pith_number":"pith:VVG2PVLX","canonical_record":{"source":{"id":"1212.3127","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-13T11:08:26Z","cross_cats_sorted":[],"title_canon_sha256":"b12efe297b33e9e390d9043a98479523c9815dcb25a74a190bc0e921d8eb3182","abstract_canon_sha256":"7cdb75f41a44393fbc2a255cf7c2cc759853d639e5f497fea05c30865c67f7a2"},"schema_version":"1.0"},"canonical_sha256":"ad4da7d577e0989ebaf69998bdfda2524ffe6dc8b98f9ec2fcdcf3a191c9a427","source":{"kind":"arxiv","id":"1212.3127","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3127","created_at":"2026-05-18T03:29:15Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3127v2","created_at":"2026-05-18T03:29:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3127","created_at":"2026-05-18T03:29:15Z"},{"alias_kind":"pith_short_12","alias_value":"VVG2PVLX4CMJ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VVG2PVLX4CMJ5OXW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VVG2PVLX","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VVG2PVLX4CMJ5OXWTGML37NCKJ","target":"record","payload":{"canonical_record":{"source":{"id":"1212.3127","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-13T11:08:26Z","cross_cats_sorted":[],"title_canon_sha256":"b12efe297b33e9e390d9043a98479523c9815dcb25a74a190bc0e921d8eb3182","abstract_canon_sha256":"7cdb75f41a44393fbc2a255cf7c2cc759853d639e5f497fea05c30865c67f7a2"},"schema_version":"1.0"},"canonical_sha256":"ad4da7d577e0989ebaf69998bdfda2524ffe6dc8b98f9ec2fcdcf3a191c9a427","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:29:15.854884Z","signature_b64":"VBje2EkzkuE1Zdnw6XaSYnzjqJDRWDL3RNk4vRDOIDGScOf2WdDgXYF1SAUWuV19eTwfdNFhkfRJ6YT63LopAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad4da7d577e0989ebaf69998bdfda2524ffe6dc8b98f9ec2fcdcf3a191c9a427","last_reissued_at":"2026-05-18T03:29:15.854161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:29:15.854161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.3127","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":"2026-05-18T03:29:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nbHaZeod6thZDnUTWi2eg2DEsqKuSbh0+DEjmTyUmbsEUZtmdIN5CHSH15YFXau2R3A4NnwQCf/EpAjNN9UrDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:50:26.638380Z"},"content_sha256":"1256815bbb89328eeb289fbdadf95e25aa9678c01ea5ea4c41dedad63750e7c9","schema_version":"1.0","event_id":"sha256:1256815bbb89328eeb289fbdadf95e25aa9678c01ea5ea4c41dedad63750e7c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VVG2PVLX4CMJ5OXWTGML37NCKJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Teleportation between Remote Single-Atom Quantum Memories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Andreas Neuzner, Andreas Reiserer, Carolin Hahn, Christian N\\\"olleke, Gerhard Rempe, Stephan Ritter","submitted_at":"2012-12-13T11:08:26Z","abstract_excerpt":"We demonstrate teleportation of quantum bits between two single atoms in distant laboratories. Using a time-resolved photonic Bell-state measurement, we achieve a teleportation fidelity of (88.0+/-1.5)%, largely determined by our entanglement fidelity. The low photon collection efficiency in free space is overcome by trapping each atom in an optical cavity. The resulting success probability of 0.1% is almost 5 orders of magnitude larger than in previous experiments with remote material qubits. It is mainly limited by photon propagation and detection losses and can be enhanced with a cavity-bas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3127","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":"2026-05-18T03:29:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o4hm93z56kTDERR6egFkfRYS5ayBh1z2/mAtLoXQYzwis95h7X6YgjhZDLRaV7HOURK0qKcc+4CETSO0M/FiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:50:26.638727Z"},"content_sha256":"e1655bdb7644966405f1a140ea57bd72fa5f4236a8665621e17eb0d9e6700448","schema_version":"1.0","event_id":"sha256:e1655bdb7644966405f1a140ea57bd72fa5f4236a8665621e17eb0d9e6700448"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ/bundle.json","state_url":"https://pith.science/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ/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":"2026-05-30T09:50:26Z","links":{"resolver":"https://pith.science/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ","bundle":"https://pith.science/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ/bundle.json","state":"https://pith.science/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VVG2PVLX4CMJ5OXWTGML37NCKJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VVG2PVLX4CMJ5OXWTGML37NCKJ","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":"7cdb75f41a44393fbc2a255cf7c2cc759853d639e5f497fea05c30865c67f7a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-13T11:08:26Z","title_canon_sha256":"b12efe297b33e9e390d9043a98479523c9815dcb25a74a190bc0e921d8eb3182"},"schema_version":"1.0","source":{"id":"1212.3127","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3127","created_at":"2026-05-18T03:29:15Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3127v2","created_at":"2026-05-18T03:29:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3127","created_at":"2026-05-18T03:29:15Z"},{"alias_kind":"pith_short_12","alias_value":"VVG2PVLX4CMJ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VVG2PVLX4CMJ5OXW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VVG2PVLX","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:e1655bdb7644966405f1a140ea57bd72fa5f4236a8665621e17eb0d9e6700448","target":"graph","created_at":"2026-05-18T03:29:15Z","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 demonstrate teleportation of quantum bits between two single atoms in distant laboratories. Using a time-resolved photonic Bell-state measurement, we achieve a teleportation fidelity of (88.0+/-1.5)%, largely determined by our entanglement fidelity. The low photon collection efficiency in free space is overcome by trapping each atom in an optical cavity. The resulting success probability of 0.1% is almost 5 orders of magnitude larger than in previous experiments with remote material qubits. It is mainly limited by photon propagation and detection losses and can be enhanced with a cavity-bas","authors_text":"Andreas Neuzner, Andreas Reiserer, Carolin Hahn, Christian N\\\"olleke, Gerhard Rempe, Stephan Ritter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-13T11:08:26Z","title":"Efficient Teleportation between Remote Single-Atom Quantum Memories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3127","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":"sha256:1256815bbb89328eeb289fbdadf95e25aa9678c01ea5ea4c41dedad63750e7c9","target":"record","created_at":"2026-05-18T03:29:15Z","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":"7cdb75f41a44393fbc2a255cf7c2cc759853d639e5f497fea05c30865c67f7a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-13T11:08:26Z","title_canon_sha256":"b12efe297b33e9e390d9043a98479523c9815dcb25a74a190bc0e921d8eb3182"},"schema_version":"1.0","source":{"id":"1212.3127","kind":"arxiv","version":2}},"canonical_sha256":"ad4da7d577e0989ebaf69998bdfda2524ffe6dc8b98f9ec2fcdcf3a191c9a427","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad4da7d577e0989ebaf69998bdfda2524ffe6dc8b98f9ec2fcdcf3a191c9a427","first_computed_at":"2026-05-18T03:29:15.854161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:29:15.854161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VBje2EkzkuE1Zdnw6XaSYnzjqJDRWDL3RNk4vRDOIDGScOf2WdDgXYF1SAUWuV19eTwfdNFhkfRJ6YT63LopAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:29:15.854884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3127","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1256815bbb89328eeb289fbdadf95e25aa9678c01ea5ea4c41dedad63750e7c9","sha256:e1655bdb7644966405f1a140ea57bd72fa5f4236a8665621e17eb0d9e6700448"],"state_sha256":"b043451de6a5fbae4eab57c57e93f37c9ee94b22878488ac0e543aefbb88ba02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uFMqoFt2Y441CFxLTtjldfm4NpQQc5jPzZeKprc18BnWV4GesD22kdSuIEI7GYb3GieXsy0htgxD73yPTRwJDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:50:26.640664Z","bundle_sha256":"98d014b68ba387944bec6ebfd474dbb6851f7995ebf74dd72f3cd654bef5ae2c"}}