{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:EQPN6AMSPPW4DR3AO57TPQHKJG","short_pith_number":"pith:EQPN6AMS","canonical_record":{"source":{"id":"2605.21140","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T13:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"30e68676914fd8a74e0418cb2edbceab5a580d082403eff2c168e8076469b1a5","abstract_canon_sha256":"c143d0c0c9889f57265166bc8e53b21d4303c8f193d5d68a4e53c41e58645266"},"schema_version":"1.0"},"canonical_sha256":"241edf01927bedc1c760777f37c0ea49928922a6197fa1244da52dd58cae30c7","source":{"kind":"arxiv","id":"2605.21140","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21140","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21140v1","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21140","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"EQPN6AMSPPW4","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"pith_short_16","alias_value":"EQPN6AMSPPW4DR3A","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"pith_short_8","alias_value":"EQPN6AMS","created_at":"2026-05-21T01:05:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:EQPN6AMSPPW4DR3AO57TPQHKJG","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21140","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T13:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"30e68676914fd8a74e0418cb2edbceab5a580d082403eff2c168e8076469b1a5","abstract_canon_sha256":"c143d0c0c9889f57265166bc8e53b21d4303c8f193d5d68a4e53c41e58645266"},"schema_version":"1.0"},"canonical_sha256":"241edf01927bedc1c760777f37c0ea49928922a6197fa1244da52dd58cae30c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:39.536351Z","signature_b64":"QzC+Jdk6RSFMC+mvKXu/z0HeQiMXiSqFfVXEVbJTte+rOfGeg7SiWpBfxy1d+/7dn+ONs4RBfejNC5DWWSnNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"241edf01927bedc1c760777f37c0ea49928922a6197fa1244da52dd58cae30c7","last_reissued_at":"2026-05-21T01:05:39.535548Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:39.535548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21140","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":"2026-05-21T01:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEhzvvh66gSOpCnPWSeS2TlTedHSQ68NthCH4Jg/Yxl16cVKYFcxCTt6PZCxkstu3eI1vRVjV8hDLG0Dy9qiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:29:17.349231Z"},"content_sha256":"425b7de1ab06842a3272498d53b632e1f1084bcb30da1a8f204cb3bd7a5912fa","schema_version":"1.0","event_id":"sha256:425b7de1ab06842a3272498d53b632e1f1084bcb30da1a8f204cb3bd7a5912fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:EQPN6AMSPPW4DR3AO57TPQHKJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimization of Secret Key Rate for BB84 under Collective Rotation Noise","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Afshan Irshad, Muhammad Waseem, Wajiha Masood","submitted_at":"2026-05-20T13:16:58Z","abstract_excerpt":"Practical quantum key distribution (QKD) systems operate under noise, but security of most protocols have been analyzed under ideal noiseless scenarios. In this work, we investigated security performance of BB84 protocol under effect of collective rotation noise. Using theoretical quantum information frameworks, we analyzed key security parameters including quantum bit error rate (QBER), mutual information and secret key rate (SKR). Security of protocol is studied under various eavesdropping scenarios based on intercept and resend attacks. Our results show that collective rotation noise has a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21140","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/2605.21140/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":"2026-05-21T01:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gYkIKXMU09uDw+hlB9NpqHBuZgT3UYGNBjDLyfDEj3Y2x9iONTdQa/3loUgdmz7ZQsLSHj+2denQptGy13ydDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:29:17.349629Z"},"content_sha256":"14419363f5a5305729eeee9f061b203a30537778a4f3a5c8cd56fb4b3482ec28","schema_version":"1.0","event_id":"sha256:14419363f5a5305729eeee9f061b203a30537778a4f3a5c8cd56fb4b3482ec28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQPN6AMSPPW4DR3AO57TPQHKJG/bundle.json","state_url":"https://pith.science/pith/EQPN6AMSPPW4DR3AO57TPQHKJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQPN6AMSPPW4DR3AO57TPQHKJG/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":"2026-05-28T05:29:17Z","links":{"resolver":"https://pith.science/pith/EQPN6AMSPPW4DR3AO57TPQHKJG","bundle":"https://pith.science/pith/EQPN6AMSPPW4DR3AO57TPQHKJG/bundle.json","state":"https://pith.science/pith/EQPN6AMSPPW4DR3AO57TPQHKJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQPN6AMSPPW4DR3AO57TPQHKJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:EQPN6AMSPPW4DR3AO57TPQHKJG","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":"c143d0c0c9889f57265166bc8e53b21d4303c8f193d5d68a4e53c41e58645266","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T13:16:58Z","title_canon_sha256":"30e68676914fd8a74e0418cb2edbceab5a580d082403eff2c168e8076469b1a5"},"schema_version":"1.0","source":{"id":"2605.21140","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21140","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21140v1","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21140","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"EQPN6AMSPPW4","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"pith_short_16","alias_value":"EQPN6AMSPPW4DR3A","created_at":"2026-05-21T01:05:39Z"},{"alias_kind":"pith_short_8","alias_value":"EQPN6AMS","created_at":"2026-05-21T01:05:39Z"}],"graph_snapshots":[{"event_id":"sha256:14419363f5a5305729eeee9f061b203a30537778a4f3a5c8cd56fb4b3482ec28","target":"graph","created_at":"2026-05-21T01:05:39Z","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/2605.21140/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Practical quantum key distribution (QKD) systems operate under noise, but security of most protocols have been analyzed under ideal noiseless scenarios. In this work, we investigated security performance of BB84 protocol under effect of collective rotation noise. Using theoretical quantum information frameworks, we analyzed key security parameters including quantum bit error rate (QBER), mutual information and secret key rate (SKR). Security of protocol is studied under various eavesdropping scenarios based on intercept and resend attacks. Our results show that collective rotation noise has a ","authors_text":"Afshan Irshad, Muhammad Waseem, Wajiha Masood","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T13:16:58Z","title":"Optimization of Secret Key Rate for BB84 under Collective Rotation Noise"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21140","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":"sha256:425b7de1ab06842a3272498d53b632e1f1084bcb30da1a8f204cb3bd7a5912fa","target":"record","created_at":"2026-05-21T01:05:39Z","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":"c143d0c0c9889f57265166bc8e53b21d4303c8f193d5d68a4e53c41e58645266","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T13:16:58Z","title_canon_sha256":"30e68676914fd8a74e0418cb2edbceab5a580d082403eff2c168e8076469b1a5"},"schema_version":"1.0","source":{"id":"2605.21140","kind":"arxiv","version":1}},"canonical_sha256":"241edf01927bedc1c760777f37c0ea49928922a6197fa1244da52dd58cae30c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"241edf01927bedc1c760777f37c0ea49928922a6197fa1244da52dd58cae30c7","first_computed_at":"2026-05-21T01:05:39.535548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:39.535548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QzC+Jdk6RSFMC+mvKXu/z0HeQiMXiSqFfVXEVbJTte+rOfGeg7SiWpBfxy1d+/7dn+ONs4RBfejNC5DWWSnNBQ==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:39.536351Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21140","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:425b7de1ab06842a3272498d53b632e1f1084bcb30da1a8f204cb3bd7a5912fa","sha256:14419363f5a5305729eeee9f061b203a30537778a4f3a5c8cd56fb4b3482ec28"],"state_sha256":"275273863ecd32e3966bd45bc73c5640043b25f950c3e6f8d8815c0dbe46b4c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OMRosnLFGyvTcnqhHP61bL5XfaGcVndpN8dfpBOQBsYPEWNhAMDcBq3KobjoUjXGcYHxxMLyt7hnPVRNhtvtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:29:17.351714Z","bundle_sha256":"8aacb5eb143ec8beae1ad8720ea2b407041199155128c120a0c5179b1f236cd9"}}