{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:OQYMI5XZMPGCRNG4P2IA2MLNSN","short_pith_number":"pith:OQYMI5XZ","canonical_record":{"source":{"id":"2105.07037","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-05-14T18:58:44Z","cross_cats_sorted":["cs.CY","eess.SP"],"title_canon_sha256":"c92d9f467923ec6c14d2588c7d6c23d32374d5da62c30f96ae035e1bbb2cec60","abstract_canon_sha256":"def585898a3b6c0d30c53d67447ae7edcd27cc4798531d44be0c2d0594107c62"},"schema_version":"1.0"},"canonical_sha256":"7430c476f963cc28b4dc7e900d316d936319bd381ba3c832e080601f1dad573a","source":{"kind":"arxiv","id":"2105.07037","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.07037","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"arxiv_version","alias_value":"2105.07037v1","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.07037","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"pith_short_12","alias_value":"OQYMI5XZMPGC","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"pith_short_16","alias_value":"OQYMI5XZMPGCRNG4","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"pith_short_8","alias_value":"OQYMI5XZ","created_at":"2026-07-05T02:40:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:OQYMI5XZMPGCRNG4P2IA2MLNSN","target":"record","payload":{"canonical_record":{"source":{"id":"2105.07037","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-05-14T18:58:44Z","cross_cats_sorted":["cs.CY","eess.SP"],"title_canon_sha256":"c92d9f467923ec6c14d2588c7d6c23d32374d5da62c30f96ae035e1bbb2cec60","abstract_canon_sha256":"def585898a3b6c0d30c53d67447ae7edcd27cc4798531d44be0c2d0594107c62"},"schema_version":"1.0"},"canonical_sha256":"7430c476f963cc28b4dc7e900d316d936319bd381ba3c832e080601f1dad573a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:40:36.333726Z","signature_b64":"dkcewp+VrVU9TjhyWEANLmCY5M3jasRY/Qu2OXqAnB/odEbeylC0Kt4PYOlMdrecXnmN7bPGz4RJjQino1SMBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7430c476f963cc28b4dc7e900d316d936319bd381ba3c832e080601f1dad573a","last_reissued_at":"2026-07-05T02:40:36.333242Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:40:36.333242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.07037","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":"2026-07-05T02:40:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rysd3D6F7fBHUHNW2+9EpEdNhr4vfmXNY4oc/CIhe4qGaPE2OW9bgTh8gl3F/N9Qkv6F5kgTP/YTtna55zSjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:15:52.887585Z"},"content_sha256":"969bbefb0df70242089cb2734c9eebf783a10f7e17c5c498549754dda86ee1a6","schema_version":"1.0","event_id":"sha256:969bbefb0df70242089cb2734c9eebf783a10f7e17c5c498549754dda86ee1a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:OQYMI5XZMPGCRNG4P2IA2MLNSN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information Theoretic Key Agreement Protocol based on ECG signals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY","eess.SP"],"primary_cat":"cs.CR","authors_text":"Alberto Muraro, Anna V. Guglielmi, Giulia Cisotto, Nicola Laurenti","submitted_at":"2021-05-14T18:58:44Z","abstract_excerpt":"Wireless body area networks (WBANs) are becoming increasingly popular as they allow individuals to continuously monitor their vitals and physiological parameters remotely from the hospital. With the spread of the SARS-CoV-2 pandemic, the availability of portable pulse-oximeters and wearable heart rate detectors has boomed in the market. At the same time, in 2020 we assisted to an unprecedented increase of healthcare breaches, revealing the extreme vulnerability of the current generation of WBANs. Therefore, the development of new security protocols to ensure data protection, authentication, in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.07037","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/2105.07037/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":"2026-07-05T02:40:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IvIXbTbq6MaPG5Qf7Xt4ex2AANEYKsK+dCgrR/9sPFuOZdgDA1YwEsDVf4AvwRPT+33wOv8VcKwfGyNI0kbTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:15:52.887994Z"},"content_sha256":"ef4f76a7cf3ef28faa1cb42bac99b617ca0b5656b19dffc5a14db5968695cbd3","schema_version":"1.0","event_id":"sha256:ef4f76a7cf3ef28faa1cb42bac99b617ca0b5656b19dffc5a14db5968695cbd3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN/bundle.json","state_url":"https://pith.science/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN/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":"2026-08-03T22:15:52Z","links":{"resolver":"https://pith.science/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN","bundle":"https://pith.science/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN/bundle.json","state":"https://pith.science/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OQYMI5XZMPGCRNG4P2IA2MLNSN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:OQYMI5XZMPGCRNG4P2IA2MLNSN","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":"def585898a3b6c0d30c53d67447ae7edcd27cc4798531d44be0c2d0594107c62","cross_cats_sorted":["cs.CY","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-05-14T18:58:44Z","title_canon_sha256":"c92d9f467923ec6c14d2588c7d6c23d32374d5da62c30f96ae035e1bbb2cec60"},"schema_version":"1.0","source":{"id":"2105.07037","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.07037","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"arxiv_version","alias_value":"2105.07037v1","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.07037","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"pith_short_12","alias_value":"OQYMI5XZMPGC","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"pith_short_16","alias_value":"OQYMI5XZMPGCRNG4","created_at":"2026-07-05T02:40:36Z"},{"alias_kind":"pith_short_8","alias_value":"OQYMI5XZ","created_at":"2026-07-05T02:40:36Z"}],"graph_snapshots":[{"event_id":"sha256:ef4f76a7cf3ef28faa1cb42bac99b617ca0b5656b19dffc5a14db5968695cbd3","target":"graph","created_at":"2026-07-05T02:40:36Z","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/2105.07037/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Wireless body area networks (WBANs) are becoming increasingly popular as they allow individuals to continuously monitor their vitals and physiological parameters remotely from the hospital. With the spread of the SARS-CoV-2 pandemic, the availability of portable pulse-oximeters and wearable heart rate detectors has boomed in the market. At the same time, in 2020 we assisted to an unprecedented increase of healthcare breaches, revealing the extreme vulnerability of the current generation of WBANs. Therefore, the development of new security protocols to ensure data protection, authentication, in","authors_text":"Alberto Muraro, Anna V. Guglielmi, Giulia Cisotto, Nicola Laurenti","cross_cats":["cs.CY","eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-05-14T18:58:44Z","title":"Information Theoretic Key Agreement Protocol based on ECG signals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.07037","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":"sha256:969bbefb0df70242089cb2734c9eebf783a10f7e17c5c498549754dda86ee1a6","target":"record","created_at":"2026-07-05T02:40:36Z","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":"def585898a3b6c0d30c53d67447ae7edcd27cc4798531d44be0c2d0594107c62","cross_cats_sorted":["cs.CY","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2021-05-14T18:58:44Z","title_canon_sha256":"c92d9f467923ec6c14d2588c7d6c23d32374d5da62c30f96ae035e1bbb2cec60"},"schema_version":"1.0","source":{"id":"2105.07037","kind":"arxiv","version":1}},"canonical_sha256":"7430c476f963cc28b4dc7e900d316d936319bd381ba3c832e080601f1dad573a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7430c476f963cc28b4dc7e900d316d936319bd381ba3c832e080601f1dad573a","first_computed_at":"2026-07-05T02:40:36.333242Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:40:36.333242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dkcewp+VrVU9TjhyWEANLmCY5M3jasRY/Qu2OXqAnB/odEbeylC0Kt4PYOlMdrecXnmN7bPGz4RJjQino1SMBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:40:36.333726Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.07037","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:969bbefb0df70242089cb2734c9eebf783a10f7e17c5c498549754dda86ee1a6","sha256:ef4f76a7cf3ef28faa1cb42bac99b617ca0b5656b19dffc5a14db5968695cbd3"],"state_sha256":"ca5a18cab4349df3ceb17db1759cde78eb1766241505169694a3ae1f2eb692d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r4W7Aa6ziZjyOO4u1c5SxdudHJ9NRU2yUYra/FiHSYc3OHyeUInlJEKI3GbaC1ge/uYBywcoRtrsDBGzAbYwCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:15:52.890804Z","bundle_sha256":"79c99f422ca543b511f8f7520b692cce216868b5d2a815bac04c4ce56466d272"}}