{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BZYNZJIFUYD4BRKCCP77DKGBAC","short_pith_number":"pith:BZYNZJIF","canonical_record":{"source":{"id":"2403.16180","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-24T14:47:08Z","cross_cats_sorted":[],"title_canon_sha256":"674b66ef8552dfeec389cf37fe94280a10fe01c3de4a56de8508c60f2d78395a","abstract_canon_sha256":"160c1df99422d7065e2612f72c06720f823762f977ae621b070a178ea7ec78b9"},"schema_version":"1.0"},"canonical_sha256":"0e70dca505a607c0c54213fff1a8c100af4f9b0c2b6a8a8c20b20b928aa9b2a3","source":{"kind":"arxiv","id":"2403.16180","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.16180","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"arxiv_version","alias_value":"2403.16180v1","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.16180","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"pith_short_12","alias_value":"BZYNZJIFUYD4","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"pith_short_16","alias_value":"BZYNZJIFUYD4BRKC","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"pith_short_8","alias_value":"BZYNZJIF","created_at":"2026-07-05T08:00:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BZYNZJIFUYD4BRKCCP77DKGBAC","target":"record","payload":{"canonical_record":{"source":{"id":"2403.16180","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-24T14:47:08Z","cross_cats_sorted":[],"title_canon_sha256":"674b66ef8552dfeec389cf37fe94280a10fe01c3de4a56de8508c60f2d78395a","abstract_canon_sha256":"160c1df99422d7065e2612f72c06720f823762f977ae621b070a178ea7ec78b9"},"schema_version":"1.0"},"canonical_sha256":"0e70dca505a607c0c54213fff1a8c100af4f9b0c2b6a8a8c20b20b928aa9b2a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:00:11.578634Z","signature_b64":"Agjmj0/pDek4RETIjHnm3sQ+5OMR1k6vukkUz2W3WRLQCZ7hxv6kNZZw4fJYqqIwEcO7LgfAHw5aU5I8IbZPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e70dca505a607c0c54213fff1a8c100af4f9b0c2b6a8a8c20b20b928aa9b2a3","last_reissued_at":"2026-07-05T08:00:11.578265Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:00:11.578265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.16180","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:00:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mC+Oau1GbEKUb2+qcIFaaSYZKGAVbmp3wz4e5Lcggb+OpuyZ23wpRNJewGVlrrzSCdLkkfbVazbUFDTxDtguDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T12:41:53.326700Z"},"content_sha256":"1cb76a050d71e6dd59aa4be2b1dd95644aa061b873ef0a215198c483cf9a0a11","schema_version":"1.0","event_id":"sha256:1cb76a050d71e6dd59aa4be2b1dd95644aa061b873ef0a215198c483cf9a0a11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BZYNZJIFUYD4BRKCCP77DKGBAC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Road to Near-Capacity CV-QKD Reconciliation: An FEC-Agnostic Design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chao Xu, Lajos Hanzo, Soon Xin Ng, Xin Liu, Yasir Noori","submitted_at":"2024-03-24T14:47:08Z","abstract_excerpt":"New near-capacity continuous-variable quantum key distribution (CV-QKD) reconciliation schemes are proposed, where both the authenticated classical channel (ClC) and the quantum channel (QuC) for QKD are protected by separate forward error correction (FEC) coding schemes. More explicitly, a new codeword-based - rather than syndrome-based - QKD reconciliation scheme is proposed, where Alice sends an FEC-protected codeword to Bob through a ClC, while Bob sends a separate FEC protected codeword to Alice through a QuC. Upon decoding the codeword received from the other side, the final key is obtai"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.16180","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.16180/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:00:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m9zdGp9Tafr8oBFsA3OAPmvftfwqOFaX5xUkqh+l8sqb4j9ydaai/7C1Vwl1XBUxy86EWe1sSULe763dZZ6FAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T12:41:53.327072Z"},"content_sha256":"02566d0041620b880dbd910d38dd93581690b45027e84b177ccbbf904c1c5dd3","schema_version":"1.0","event_id":"sha256:02566d0041620b880dbd910d38dd93581690b45027e84b177ccbbf904c1c5dd3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZYNZJIFUYD4BRKCCP77DKGBAC/bundle.json","state_url":"https://pith.science/pith/BZYNZJIFUYD4BRKCCP77DKGBAC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZYNZJIFUYD4BRKCCP77DKGBAC/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":"2026-08-21T12:41:53Z","links":{"resolver":"https://pith.science/pith/BZYNZJIFUYD4BRKCCP77DKGBAC","bundle":"https://pith.science/pith/BZYNZJIFUYD4BRKCCP77DKGBAC/bundle.json","state":"https://pith.science/pith/BZYNZJIFUYD4BRKCCP77DKGBAC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZYNZJIFUYD4BRKCCP77DKGBAC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BZYNZJIFUYD4BRKCCP77DKGBAC","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":"160c1df99422d7065e2612f72c06720f823762f977ae621b070a178ea7ec78b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-24T14:47:08Z","title_canon_sha256":"674b66ef8552dfeec389cf37fe94280a10fe01c3de4a56de8508c60f2d78395a"},"schema_version":"1.0","source":{"id":"2403.16180","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.16180","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"arxiv_version","alias_value":"2403.16180v1","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.16180","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"pith_short_12","alias_value":"BZYNZJIFUYD4","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"pith_short_16","alias_value":"BZYNZJIFUYD4BRKC","created_at":"2026-07-05T08:00:11Z"},{"alias_kind":"pith_short_8","alias_value":"BZYNZJIF","created_at":"2026-07-05T08:00:11Z"}],"graph_snapshots":[{"event_id":"sha256:02566d0041620b880dbd910d38dd93581690b45027e84b177ccbbf904c1c5dd3","target":"graph","created_at":"2026-07-05T08:00:11Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2403.16180/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"New near-capacity continuous-variable quantum key distribution (CV-QKD) reconciliation schemes are proposed, where both the authenticated classical channel (ClC) and the quantum channel (QuC) for QKD are protected by separate forward error correction (FEC) coding schemes. More explicitly, a new codeword-based - rather than syndrome-based - QKD reconciliation scheme is proposed, where Alice sends an FEC-protected codeword to Bob through a ClC, while Bob sends a separate FEC protected codeword to Alice through a QuC. Upon decoding the codeword received from the other side, the final key is obtai","authors_text":"Chao Xu, Lajos Hanzo, Soon Xin Ng, Xin Liu, Yasir Noori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-24T14:47:08Z","title":"The Road to Near-Capacity CV-QKD Reconciliation: An FEC-Agnostic Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.16180","kind":"arxiv","version":1},"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":"sha256:1cb76a050d71e6dd59aa4be2b1dd95644aa061b873ef0a215198c483cf9a0a11","target":"record","created_at":"2026-07-05T08:00:11Z","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":"160c1df99422d7065e2612f72c06720f823762f977ae621b070a178ea7ec78b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-24T14:47:08Z","title_canon_sha256":"674b66ef8552dfeec389cf37fe94280a10fe01c3de4a56de8508c60f2d78395a"},"schema_version":"1.0","source":{"id":"2403.16180","kind":"arxiv","version":1}},"canonical_sha256":"0e70dca505a607c0c54213fff1a8c100af4f9b0c2b6a8a8c20b20b928aa9b2a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e70dca505a607c0c54213fff1a8c100af4f9b0c2b6a8a8c20b20b928aa9b2a3","first_computed_at":"2026-07-05T08:00:11.578265Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:00:11.578265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Agjmj0/pDek4RETIjHnm3sQ+5OMR1k6vukkUz2W3WRLQCZ7hxv6kNZZw4fJYqqIwEcO7LgfAHw5aU5I8IbZPAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:00:11.578634Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.16180","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cb76a050d71e6dd59aa4be2b1dd95644aa061b873ef0a215198c483cf9a0a11","sha256:02566d0041620b880dbd910d38dd93581690b45027e84b177ccbbf904c1c5dd3"],"state_sha256":"b97b462a2226d60771fa7ab48934db32edbc012a9a5303eef87be33531623932"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OGoI34m10YTdSnTi6wTCgp00OxuDupCdW1aFs74qMgBxYMIEnFo1RA+vRA8iiDSdJo5IHAIzp7FpxvJfymjFCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T12:41:53.330436Z","bundle_sha256":"93578d7c078d123c303d4a4af170eefc542adb0ddf6fa6f73cb07adc29784d4e"}}