{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:LFQZLV6VGHJBBTLG5T56ZWHJPS","short_pith_number":"pith:LFQZLV6V","canonical_record":{"source":{"id":"1305.6965","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-29T21:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"c8bf8e98d2efa6d19dc9ea727258069803e16132382368dfb2719aac726da402","abstract_canon_sha256":"e5d5ee8216a8f7e0ab71891bf6ddfdf05148ca5ceabefdbd4ac0691b101b7b96"},"schema_version":"1.0"},"canonical_sha256":"596195d7d531d210cd66ecfbecd8e97c8101705c99452f32cce01f6bcb8c9c26","source":{"kind":"arxiv","id":"1305.6965","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6965","created_at":"2026-05-18T03:07:20Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6965v3","created_at":"2026-05-18T03:07:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6965","created_at":"2026-05-18T03:07:20Z"},{"alias_kind":"pith_short_12","alias_value":"LFQZLV6VGHJB","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LFQZLV6VGHJBBTLG","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LFQZLV6V","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:LFQZLV6VGHJBBTLG5T56ZWHJPS","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6965","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-29T21:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"c8bf8e98d2efa6d19dc9ea727258069803e16132382368dfb2719aac726da402","abstract_canon_sha256":"e5d5ee8216a8f7e0ab71891bf6ddfdf05148ca5ceabefdbd4ac0691b101b7b96"},"schema_version":"1.0"},"canonical_sha256":"596195d7d531d210cd66ecfbecd8e97c8101705c99452f32cce01f6bcb8c9c26","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:20.790360Z","signature_b64":"0raCB0EI+jfACQVrihp0Cf9aZQf4aFtniOoFkZD39Lb6q48K7HDxU0F1HSnLbaqEdqIEICXowii1XomFRjxFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"596195d7d531d210cd66ecfbecd8e97c8101705c99452f32cce01f6bcb8c9c26","last_reissued_at":"2026-05-18T03:07:20.789635Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:20.789635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6965","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:07:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L02C46G/ohXZtAdqJLAWfCCoJWPmpa8m4GcSCf2iNYYxgzZR+kThWRaQfIIv88HTYQ7CpjnH4kJrWzYV2DXeAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:38:43.253538Z"},"content_sha256":"e26317262b961773736f19a88df164c7af0777275b887735349450d584870427","schema_version":"1.0","event_id":"sha256:e26317262b961773736f19a88df164c7af0777275b887735349450d584870427"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:LFQZLV6VGHJBBTLG5T56ZWHJPS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Practical aspects of measurement-device-independent quantum key distribution","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":"2013-05-29T21:55:03Z","abstract_excerpt":"A novel protocol - measurement-device-independent quantum key distribution (MDI-QKD) - removes all attacks from the detection system, the most vulnerable part in QKD implementations. In this paper, we present an analysis for practical aspects of MDI-QKD. To evaluate its performance, we study various error sources by developing a general system model. We find that MDI-QKD is highly practical and thus can be easily implemented with standard optical devices. Moreover, we present a simple analytical method with only two (general) decoy states for the finite decoy-state analysis. This method can be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6965","kind":"arxiv","version":3},"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":"2026-05-18T03:07:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"995ZjYJw/swhZjcDinOZew9K9U3y3jsjTfg2d4WpiEKogwi9MOnBFroJVoU1G11q+A9dSFIdvwOlwGcwuq4IDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:38:43.254230Z"},"content_sha256":"dbf94e5b0102a281200ca058d84b9b9e014cded09e39f879cd34cdcfc4c46419","schema_version":"1.0","event_id":"sha256:dbf94e5b0102a281200ca058d84b9b9e014cded09e39f879cd34cdcfc4c46419"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS/bundle.json","state_url":"https://pith.science/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS/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":"2026-05-28T22:38:43Z","links":{"resolver":"https://pith.science/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS","bundle":"https://pith.science/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS/bundle.json","state":"https://pith.science/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LFQZLV6VGHJBBTLG5T56ZWHJPS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LFQZLV6VGHJBBTLG5T56ZWHJPS","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":"e5d5ee8216a8f7e0ab71891bf6ddfdf05148ca5ceabefdbd4ac0691b101b7b96","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-29T21:55:03Z","title_canon_sha256":"c8bf8e98d2efa6d19dc9ea727258069803e16132382368dfb2719aac726da402"},"schema_version":"1.0","source":{"id":"1305.6965","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6965","created_at":"2026-05-18T03:07:20Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6965v3","created_at":"2026-05-18T03:07:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6965","created_at":"2026-05-18T03:07:20Z"},{"alias_kind":"pith_short_12","alias_value":"LFQZLV6VGHJB","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LFQZLV6VGHJBBTLG","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LFQZLV6V","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:dbf94e5b0102a281200ca058d84b9b9e014cded09e39f879cd34cdcfc4c46419","target":"graph","created_at":"2026-05-18T03:07:20Z","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":"A novel protocol - measurement-device-independent quantum key distribution (MDI-QKD) - removes all attacks from the detection system, the most vulnerable part in QKD implementations. In this paper, we present an analysis for practical aspects of MDI-QKD. To evaluate its performance, we study various error sources by developing a general system model. We find that MDI-QKD is highly practical and thus can be easily implemented with standard optical devices. Moreover, we present a simple analytical method with only two (general) decoy states for the finite decoy-state analysis. This method can be","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":"2013-05-29T21:55:03Z","title":"Practical aspects of measurement-device-independent quantum key distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6965","kind":"arxiv","version":3},"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:e26317262b961773736f19a88df164c7af0777275b887735349450d584870427","target":"record","created_at":"2026-05-18T03:07:20Z","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":"e5d5ee8216a8f7e0ab71891bf6ddfdf05148ca5ceabefdbd4ac0691b101b7b96","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-29T21:55:03Z","title_canon_sha256":"c8bf8e98d2efa6d19dc9ea727258069803e16132382368dfb2719aac726da402"},"schema_version":"1.0","source":{"id":"1305.6965","kind":"arxiv","version":3}},"canonical_sha256":"596195d7d531d210cd66ecfbecd8e97c8101705c99452f32cce01f6bcb8c9c26","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"596195d7d531d210cd66ecfbecd8e97c8101705c99452f32cce01f6bcb8c9c26","first_computed_at":"2026-05-18T03:07:20.789635Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:20.789635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0raCB0EI+jfACQVrihp0Cf9aZQf4aFtniOoFkZD39Lb6q48K7HDxU0F1HSnLbaqEdqIEICXowii1XomFRjxFCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:20.790360Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6965","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e26317262b961773736f19a88df164c7af0777275b887735349450d584870427","sha256:dbf94e5b0102a281200ca058d84b9b9e014cded09e39f879cd34cdcfc4c46419"],"state_sha256":"0af88ea2bcaaee37a5e710e5683456ccc5b74e14b135df1cd86fe0c56aefca02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8rbEjfhakWaAGoIc/lhaVN8X1jJLKOvF6xHyv/Z/VNMJOhv/rCb8c+6290E/54ktBGXOUUOGukBsZilD4BE1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:38:43.258083Z","bundle_sha256":"cb8dfd35dda7ff9e59739138bacfbf67d274fe9c570f0da51c1f3509f9322f15"}}