{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5RS4ASNDZQDXJW6AOJJOMBWWUI","short_pith_number":"pith:5RS4ASND","canonical_record":{"source":{"id":"1409.5157","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-17T22:02:50Z","cross_cats_sorted":[],"title_canon_sha256":"a59f305a2793889a1330d88b104a442c1fb0db026ad9cb179581cb1d378fc330","abstract_canon_sha256":"67b70752e180182077753d7064123729ad34143714111423c35798f4af353990"},"schema_version":"1.0"},"canonical_sha256":"ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5","source":{"kind":"arxiv","id":"1409.5157","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5157","created_at":"2026-05-18T02:29:52Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5157v2","created_at":"2026-05-18T02:29:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5157","created_at":"2026-05-18T02:29:52Z"},{"alias_kind":"pith_short_12","alias_value":"5RS4ASNDZQDX","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5RS4ASNDZQDXJW6A","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5RS4ASND","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5RS4ASNDZQDXJW6AOJJOMBWWUI","target":"record","payload":{"canonical_record":{"source":{"id":"1409.5157","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-17T22:02:50Z","cross_cats_sorted":[],"title_canon_sha256":"a59f305a2793889a1330d88b104a442c1fb0db026ad9cb179581cb1d378fc330","abstract_canon_sha256":"67b70752e180182077753d7064123729ad34143714111423c35798f4af353990"},"schema_version":"1.0"},"canonical_sha256":"ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:52.818918Z","signature_b64":"NbcBI21Iyaizw2CpkuMB2bX8kQ15rXt0lL4BNZT5YmFB8fJx+6ug0D+M2qhW5eK7pxT0K2czVnaiz1XbLiUUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5","last_reissued_at":"2026-05-18T02:29:52.818457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:52.818457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.5157","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":"2026-05-18T02:29:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IINV2v9NmTeUFZT0XaNAX8+r3iQgW8ejCgjVsjA2CShkzBSt/0zP8ntsMZCrforQZR+DneHUZxugkTLonqHHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:23:41.432220Z"},"content_sha256":"61d0e44d6ad51c014a4d337d1c7186fcad4194af257aebb401b0ae2d01452bb5","schema_version":"1.0","event_id":"sha256:61d0e44d6ad51c014a4d337d1c7186fcad4194af257aebb401b0ae2d01452bb5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5RS4ASNDZQDXJW6AOJJOMBWWUI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement-device-independent quantum cryptography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bing Qi, Feihu Xu, Hoi-Kwong Lo, Marcos Curty","submitted_at":"2014-09-17T22:02:50Z","abstract_excerpt":"In theory, quantum key distribution (QKD) provides information-theoretic security based on the laws of physics. Owing to the imperfections of real-life implementations, however, there is a big gap between the theory and practice of QKD, which has been recently exploited by several quantum hacking activities. To fill this gap, a novel approach, called measurement-device-independent QKD (mdiQKD), has been proposed. It can remove all side-channels from the measurement unit, arguably the most vulnerable part in QKD systems, thus offering a clear avenue towards secure QKD realisations. Here, we rev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5157","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":"2026-05-18T02:29:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4rgg/FEUowNYmTUFKwUvTVbCQQJJ92TtDRkWErrq9CMvXWAdzoPFTXOU4+EXK4WGL/0VfNGCIqNegOY0uj/oDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:23:41.432616Z"},"content_sha256":"ea92a26efae1de2923c0336d834cb7b06273cadb624eafa17e1e7a472089eef3","schema_version":"1.0","event_id":"sha256:ea92a26efae1de2923c0336d834cb7b06273cadb624eafa17e1e7a472089eef3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI/bundle.json","state_url":"https://pith.science/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI/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":"2026-05-28T17:23:41Z","links":{"resolver":"https://pith.science/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI","bundle":"https://pith.science/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI/bundle.json","state":"https://pith.science/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RS4ASNDZQDXJW6AOJJOMBWWUI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5RS4ASNDZQDXJW6AOJJOMBWWUI","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":"67b70752e180182077753d7064123729ad34143714111423c35798f4af353990","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-17T22:02:50Z","title_canon_sha256":"a59f305a2793889a1330d88b104a442c1fb0db026ad9cb179581cb1d378fc330"},"schema_version":"1.0","source":{"id":"1409.5157","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5157","created_at":"2026-05-18T02:29:52Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5157v2","created_at":"2026-05-18T02:29:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5157","created_at":"2026-05-18T02:29:52Z"},{"alias_kind":"pith_short_12","alias_value":"5RS4ASNDZQDX","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5RS4ASNDZQDXJW6A","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5RS4ASND","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:ea92a26efae1de2923c0336d834cb7b06273cadb624eafa17e1e7a472089eef3","target":"graph","created_at":"2026-05-18T02:29:52Z","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":"In theory, quantum key distribution (QKD) provides information-theoretic security based on the laws of physics. Owing to the imperfections of real-life implementations, however, there is a big gap between the theory and practice of QKD, which has been recently exploited by several quantum hacking activities. To fill this gap, a novel approach, called measurement-device-independent QKD (mdiQKD), has been proposed. It can remove all side-channels from the measurement unit, arguably the most vulnerable part in QKD systems, thus offering a clear avenue towards secure QKD realisations. Here, we rev","authors_text":"Bing Qi, Feihu Xu, Hoi-Kwong Lo, Marcos Curty","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-17T22:02:50Z","title":"Measurement-device-independent quantum cryptography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5157","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":"sha256:61d0e44d6ad51c014a4d337d1c7186fcad4194af257aebb401b0ae2d01452bb5","target":"record","created_at":"2026-05-18T02:29:52Z","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":"67b70752e180182077753d7064123729ad34143714111423c35798f4af353990","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-17T22:02:50Z","title_canon_sha256":"a59f305a2793889a1330d88b104a442c1fb0db026ad9cb179581cb1d378fc330"},"schema_version":"1.0","source":{"id":"1409.5157","kind":"arxiv","version":2}},"canonical_sha256":"ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec65c049a3cc0774dbc07252e606d6a21f6e34271ab1801bb52361ae37e63da5","first_computed_at":"2026-05-18T02:29:52.818457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:52.818457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NbcBI21Iyaizw2CpkuMB2bX8kQ15rXt0lL4BNZT5YmFB8fJx+6ug0D+M2qhW5eK7pxT0K2czVnaiz1XbLiUUAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:52.818918Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.5157","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61d0e44d6ad51c014a4d337d1c7186fcad4194af257aebb401b0ae2d01452bb5","sha256:ea92a26efae1de2923c0336d834cb7b06273cadb624eafa17e1e7a472089eef3"],"state_sha256":"00159958b5429ea2b5ecd412e628b4e4756ec212d3694635e8284433784ff98a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nn0Vy5xrQClXQrP/5mhGpXNWK54mAbB3m33MqURrrS5K7NfD2HXh5G8MDFHsb+FjP3HWdx9etiQXGFn0qKaVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:23:41.436074Z","bundle_sha256":"e7ac1d7a38ec691500f62660696ce5d0166c1dc9b6facdb11feb57898dd32c92"}}