{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:R3BVLUOMQY7QIWHC6KH6SWDUD5","short_pith_number":"pith:R3BVLUOM","canonical_record":{"source":{"id":"2504.16561","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-04-23T09:39:34Z","cross_cats_sorted":[],"title_canon_sha256":"23b2ec960990685036f1d01f3fd433963050deb8ffc3b62550d651f45ef11d0c","abstract_canon_sha256":"bea2e404c17f5fde923407b83e545d40feeccd09931507e3f444f292b5f93fac"},"schema_version":"1.0"},"canonical_sha256":"8ec355d1cc863f0458e2f28fe958741f569ddd7b6ac4ee698caaeade72d4d07d","source":{"kind":"arxiv","id":"2504.16561","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.16561","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"arxiv_version","alias_value":"2504.16561v2","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.16561","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"pith_short_12","alias_value":"R3BVLUOMQY7Q","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"pith_short_16","alias_value":"R3BVLUOMQY7QIWHC","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"pith_short_8","alias_value":"R3BVLUOM","created_at":"2026-07-05T11:35:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:R3BVLUOMQY7QIWHC6KH6SWDUD5","target":"record","payload":{"canonical_record":{"source":{"id":"2504.16561","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-04-23T09:39:34Z","cross_cats_sorted":[],"title_canon_sha256":"23b2ec960990685036f1d01f3fd433963050deb8ffc3b62550d651f45ef11d0c","abstract_canon_sha256":"bea2e404c17f5fde923407b83e545d40feeccd09931507e3f444f292b5f93fac"},"schema_version":"1.0"},"canonical_sha256":"8ec355d1cc863f0458e2f28fe958741f569ddd7b6ac4ee698caaeade72d4d07d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:35:55.445463Z","signature_b64":"8pWvR7/9gJgHMO2xVoeZHhWqloJdqs0U+aODyB1JhabDxL6CSuXMN8fwMjJbiIFD05iDjvmSD/eMNfJZMDsCBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ec355d1cc863f0458e2f28fe958741f569ddd7b6ac4ee698caaeade72d4d07d","last_reissued_at":"2026-07-05T11:35:55.444947Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:35:55.444947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.16561","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":"2026-07-05T11:35:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZOeDdn6IU+SLEOVm7iDbMv45tQWFy7FXpPrdHcrQjBRskD3MSg+KwfPDkQlDtWmt+6B5CN896xZtvLyiJYuCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T23:30:37.924185Z"},"content_sha256":"a68253159aacd64b3c5f9252fd248e670105175f5435d55f4805f03ab4093bc9","schema_version":"1.0","event_id":"sha256:a68253159aacd64b3c5f9252fd248e670105175f5435d55f4805f03ab4093bc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:R3BVLUOMQY7QIWHC6KH6SWDUD5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Performance Analysis of MDI-QKD in Thermal-Loss and Phase Noise Channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Heyang Peng, Leonardo Oleynik, Seid Koudia, Symeon Chatzinotas","submitted_at":"2025-04-23T09:39:34Z","abstract_excerpt":"Measurement-device-independent quantum key distribution (MDI-QKD), enhances quantum cryptography by mitigating detector-side vulnerabilities. This study analyzes MDI-QKD performance in thermal-loss and phase noise channels, modeled as depolarizing and dephasing channels to capture thermal and phase noise effects. Based on this channel framework, we derive analytical expressions for Bell state measurement probabilities, quantum bit error rates (QBER), and secret key rates (SKR) of MDI-QKD. Our simulations reveal that SKR decreases exponentially with transmission distance, with performance furth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.16561","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.16561/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":"2026-07-05T11:35:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LKGtLvk9oe/QrmacuigZrOLI9+RCp1DKGf6j2oQ9/xqfImz5xJarhz4pCAlaQOPHvbdLJqkQ83HSfFlLFas/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T23:30:37.924708Z"},"content_sha256":"7dafb0e428b0b5065c31051405b33e96bcc9203f5b16710587b6d9ba1498f8de","schema_version":"1.0","event_id":"sha256:7dafb0e428b0b5065c31051405b33e96bcc9203f5b16710587b6d9ba1498f8de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5/bundle.json","state_url":"https://pith.science/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5/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":"2026-08-07T23:30:37Z","links":{"resolver":"https://pith.science/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5","bundle":"https://pith.science/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5/bundle.json","state":"https://pith.science/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R3BVLUOMQY7QIWHC6KH6SWDUD5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:R3BVLUOMQY7QIWHC6KH6SWDUD5","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":"bea2e404c17f5fde923407b83e545d40feeccd09931507e3f444f292b5f93fac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-04-23T09:39:34Z","title_canon_sha256":"23b2ec960990685036f1d01f3fd433963050deb8ffc3b62550d651f45ef11d0c"},"schema_version":"1.0","source":{"id":"2504.16561","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.16561","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"arxiv_version","alias_value":"2504.16561v2","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.16561","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"pith_short_12","alias_value":"R3BVLUOMQY7Q","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"pith_short_16","alias_value":"R3BVLUOMQY7QIWHC","created_at":"2026-07-05T11:35:55Z"},{"alias_kind":"pith_short_8","alias_value":"R3BVLUOM","created_at":"2026-07-05T11:35:55Z"}],"graph_snapshots":[{"event_id":"sha256:7dafb0e428b0b5065c31051405b33e96bcc9203f5b16710587b6d9ba1498f8de","target":"graph","created_at":"2026-07-05T11:35:55Z","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/2504.16561/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Measurement-device-independent quantum key distribution (MDI-QKD), enhances quantum cryptography by mitigating detector-side vulnerabilities. This study analyzes MDI-QKD performance in thermal-loss and phase noise channels, modeled as depolarizing and dephasing channels to capture thermal and phase noise effects. Based on this channel framework, we derive analytical expressions for Bell state measurement probabilities, quantum bit error rates (QBER), and secret key rates (SKR) of MDI-QKD. Our simulations reveal that SKR decreases exponentially with transmission distance, with performance furth","authors_text":"Heyang Peng, Leonardo Oleynik, Seid Koudia, Symeon Chatzinotas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-04-23T09:39:34Z","title":"Performance Analysis of MDI-QKD in Thermal-Loss and Phase Noise Channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.16561","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:a68253159aacd64b3c5f9252fd248e670105175f5435d55f4805f03ab4093bc9","target":"record","created_at":"2026-07-05T11:35:55Z","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":"bea2e404c17f5fde923407b83e545d40feeccd09931507e3f444f292b5f93fac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-04-23T09:39:34Z","title_canon_sha256":"23b2ec960990685036f1d01f3fd433963050deb8ffc3b62550d651f45ef11d0c"},"schema_version":"1.0","source":{"id":"2504.16561","kind":"arxiv","version":2}},"canonical_sha256":"8ec355d1cc863f0458e2f28fe958741f569ddd7b6ac4ee698caaeade72d4d07d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ec355d1cc863f0458e2f28fe958741f569ddd7b6ac4ee698caaeade72d4d07d","first_computed_at":"2026-07-05T11:35:55.444947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:35:55.444947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8pWvR7/9gJgHMO2xVoeZHhWqloJdqs0U+aODyB1JhabDxL6CSuXMN8fwMjJbiIFD05iDjvmSD/eMNfJZMDsCBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:35:55.445463Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.16561","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a68253159aacd64b3c5f9252fd248e670105175f5435d55f4805f03ab4093bc9","sha256:7dafb0e428b0b5065c31051405b33e96bcc9203f5b16710587b6d9ba1498f8de"],"state_sha256":"82c822cd0d40eb51e408cf651a03fe0f6b12a7eb7ba8e857cc366decb5ae279d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dJKnFTiFZqSVwq68lTOVGJvVeUVdq813W+NPlDmpt1nWfC8bFtVg2L52ITeRgP69p0keu95dCuu8Pw+vrytqCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T23:30:37.928181Z","bundle_sha256":"0e007b3b39c456a3b172d7c613529a264982586e28f4a4f5bab2d4eda4d2007a"}}