{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:TR3ZTZLMCQEYJUIA7KICWIRD2W","short_pith_number":"pith:TR3ZTZLM","canonical_record":{"source":{"id":"0802.4155","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-02-28T10:01:10Z","cross_cats_sorted":[],"title_canon_sha256":"487df9d3c6f75f19449945c4b3cba012561fca512cff1e2784af74ebab9b8836","abstract_canon_sha256":"1cc888fcc9eb6f9a82e3c7d0772df6129b10b1a0ea3be642b84b47fcb33cd62e"},"schema_version":"1.0"},"canonical_sha256":"9c7799e56c140984d100fa902b2223d59bd923a23e3db8624b83a6bb9e956a64","source":{"kind":"arxiv","id":"0802.4155","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.4155","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"arxiv_version","alias_value":"0802.4155v3","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.4155","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"pith_short_12","alias_value":"TR3ZTZLMCQEY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"TR3ZTZLMCQEYJUIA","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"TR3ZTZLM","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:TR3ZTZLMCQEYJUIA7KICWIRD2W","target":"record","payload":{"canonical_record":{"source":{"id":"0802.4155","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-02-28T10:01:10Z","cross_cats_sorted":[],"title_canon_sha256":"487df9d3c6f75f19449945c4b3cba012561fca512cff1e2784af74ebab9b8836","abstract_canon_sha256":"1cc888fcc9eb6f9a82e3c7d0772df6129b10b1a0ea3be642b84b47fcb33cd62e"},"schema_version":"1.0"},"canonical_sha256":"9c7799e56c140984d100fa902b2223d59bd923a23e3db8624b83a6bb9e956a64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:00.783840Z","signature_b64":"6Q5EehlSHgmaN42VuKccfttrl0C4LiY0YuJtpRMU9gALiRDG2W3Ub1eU+1VcNSEGPqhfo4+rRZUNJluFYwhzBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c7799e56c140984d100fa902b2223d59bd923a23e3db8624b83a6bb9e956a64","last_reissued_at":"2026-05-18T02:16:00.783330Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:00.783330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0802.4155","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":"2026-05-18T02:16:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U9ddvpJWvcOnyA7j88TmOwpqZgfanPQUW5kA4YYqI8Q1QpSwUMzYGB3yPxNd8Z++HrHYy+GZGc7X0bKj97g+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T05:06:56.455816Z"},"content_sha256":"8670ea4d9af977a00ffe56dfe135a889111682c0f74cc3299d7d1b241c4e9799","schema_version":"1.0","event_id":"sha256:8670ea4d9af977a00ffe56dfe135a889111682c0f74cc3299d7d1b241c4e9799"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:TR3ZTZLMCQEYJUIA7KICWIRD2W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Security of Practical Quantum Key Distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Helle Bechmann-Pasquinucci, Miloslav Dusek, Momtchil Peev, Nicolas J. Cerf, Norbert Lutkenhaus, Valerio Scarani","submitted_at":"2008-02-28T10:01:10Z","abstract_excerpt":"Quantum key distribution (QKD) is the first quantum information task to reach the level of mature technology, already fit for commercialization. It aims at the creation of a secret key between authorized partners connected by a quantum channel and a classical authenticated channel. The security of the key can in principle be guaranteed without putting any restriction on the eavesdropper's power.\n  The first two sections provide a concise up-to-date review of QKD, biased toward the practical side. The rest of the paper presents the essential theoretical tools that have been developed to assess "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.4155","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":"2026-05-18T02:16:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DxWHzGHx9+5SbTj2nr62vrTfFQBjUhjlrAYEqlkIM1upWLYosXUyRuIt7GhVZafU9CL+AsNK6rk5OZiJrADNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T05:06:56.456172Z"},"content_sha256":"1944e1fbf027db992f2d00dfa7a06e366c7b3305975e3154a30e46efaa9e856c","schema_version":"1.0","event_id":"sha256:1944e1fbf027db992f2d00dfa7a06e366c7b3305975e3154a30e46efaa9e856c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W/bundle.json","state_url":"https://pith.science/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W/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":"2026-06-30T05:06:56Z","links":{"resolver":"https://pith.science/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W","bundle":"https://pith.science/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W/bundle.json","state":"https://pith.science/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TR3ZTZLMCQEYJUIA7KICWIRD2W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:TR3ZTZLMCQEYJUIA7KICWIRD2W","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":"1cc888fcc9eb6f9a82e3c7d0772df6129b10b1a0ea3be642b84b47fcb33cd62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-02-28T10:01:10Z","title_canon_sha256":"487df9d3c6f75f19449945c4b3cba012561fca512cff1e2784af74ebab9b8836"},"schema_version":"1.0","source":{"id":"0802.4155","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.4155","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"arxiv_version","alias_value":"0802.4155v3","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.4155","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"pith_short_12","alias_value":"TR3ZTZLMCQEY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"TR3ZTZLMCQEYJUIA","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"TR3ZTZLM","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:1944e1fbf027db992f2d00dfa7a06e366c7b3305975e3154a30e46efaa9e856c","target":"graph","created_at":"2026-05-18T02:16:00Z","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":"Quantum key distribution (QKD) is the first quantum information task to reach the level of mature technology, already fit for commercialization. It aims at the creation of a secret key between authorized partners connected by a quantum channel and a classical authenticated channel. The security of the key can in principle be guaranteed without putting any restriction on the eavesdropper's power.\n  The first two sections provide a concise up-to-date review of QKD, biased toward the practical side. The rest of the paper presents the essential theoretical tools that have been developed to assess ","authors_text":"Helle Bechmann-Pasquinucci, Miloslav Dusek, Momtchil Peev, Nicolas J. Cerf, Norbert Lutkenhaus, Valerio Scarani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-02-28T10:01:10Z","title":"The Security of Practical Quantum Key Distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.4155","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":"sha256:8670ea4d9af977a00ffe56dfe135a889111682c0f74cc3299d7d1b241c4e9799","target":"record","created_at":"2026-05-18T02:16:00Z","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":"1cc888fcc9eb6f9a82e3c7d0772df6129b10b1a0ea3be642b84b47fcb33cd62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-02-28T10:01:10Z","title_canon_sha256":"487df9d3c6f75f19449945c4b3cba012561fca512cff1e2784af74ebab9b8836"},"schema_version":"1.0","source":{"id":"0802.4155","kind":"arxiv","version":3}},"canonical_sha256":"9c7799e56c140984d100fa902b2223d59bd923a23e3db8624b83a6bb9e956a64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c7799e56c140984d100fa902b2223d59bd923a23e3db8624b83a6bb9e956a64","first_computed_at":"2026-05-18T02:16:00.783330Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:00.783330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Q5EehlSHgmaN42VuKccfttrl0C4LiY0YuJtpRMU9gALiRDG2W3Ub1eU+1VcNSEGPqhfo4+rRZUNJluFYwhzBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:00.783840Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.4155","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8670ea4d9af977a00ffe56dfe135a889111682c0f74cc3299d7d1b241c4e9799","sha256:1944e1fbf027db992f2d00dfa7a06e366c7b3305975e3154a30e46efaa9e856c"],"state_sha256":"3de9d2819fae4cb3906938b919f4fc37fee7f41deb4cd74fb39f56ba4f16499d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sgtscGDq5Q16MVezdw1oV5KWCpcJbTmC73b2lwD6J/Pi/UWk/VwJFbA7DprcR1zam/p3C/SL9s2edUWjrhW1Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T05:06:56.458201Z","bundle_sha256":"044255a20f563616ac7a625af25878c78824fdf0bfadb8ddef57c46668a7b7f7"}}