{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TN3EFCNAYGAIZBEGOIN53S5T7M","short_pith_number":"pith:TN3EFCNA","canonical_record":{"source":{"id":"2607.28191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-07-30T13:28:39Z","cross_cats_sorted":["cs.DC","cs.LG"],"title_canon_sha256":"4d73a25e2f3457ff829dc60d3c6f54da8881849b3702555ff4d11caf6b8627ef","abstract_canon_sha256":"fbdf0d85dfa2170648f415450bdf2a3548a8b1aae25c27309c7d66755366c771"},"schema_version":"1.0"},"canonical_sha256":"9b764289a0c1808c8486721bddcbb3fb00705641e79a3145aedf7b46562ff9fb","source":{"kind":"arxiv","id":"2607.28191","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28191","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28191v1","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28191","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"TN3EFCNAYGAI","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"pith_short_16","alias_value":"TN3EFCNAYGAIZBEG","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"pith_short_8","alias_value":"TN3EFCNA","created_at":"2026-07-31T01:36:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TN3EFCNAYGAIZBEGOIN53S5T7M","target":"record","payload":{"canonical_record":{"source":{"id":"2607.28191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-07-30T13:28:39Z","cross_cats_sorted":["cs.DC","cs.LG"],"title_canon_sha256":"4d73a25e2f3457ff829dc60d3c6f54da8881849b3702555ff4d11caf6b8627ef","abstract_canon_sha256":"fbdf0d85dfa2170648f415450bdf2a3548a8b1aae25c27309c7d66755366c771"},"schema_version":"1.0"},"canonical_sha256":"9b764289a0c1808c8486721bddcbb3fb00705641e79a3145aedf7b46562ff9fb","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b764289a0c1808c8486721bddcbb3fb00705641e79a3145aedf7b46562ff9fb","last_reissued_at":"2026-07-31T01:36:27.729063Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:36:27.729063Z"},"source_kind":"arxiv","source_id":"2607.28191","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":"2026-07-31T01:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p9JjOjMjJPp0bm8WllbHfGGUDGzud+kHXlT7WnpFie4N0h9z6x14XF1ZqFMbZHeU8jjJQjMTdV1AKDnkJCDPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T19:42:24.806732Z"},"content_sha256":"59a92f5911dac3f83f346de2f4bed3212d1ec5d62b8995e93b35f4ec4a938a15","schema_version":"1.0","event_id":"sha256:59a92f5911dac3f83f346de2f4bed3212d1ec5d62b8995e93b35f4ec4a938a15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TN3EFCNAYGAIZBEGOIN53S5T7M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Secure Aggregation for Privacy-Preserving Federated Learning on Clinical EEG Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","cs.LG"],"primary_cat":"cs.CR","authors_text":"Mohsen Toorani, Pouya Rajabi","submitted_at":"2026-07-30T13:28:39Z","abstract_excerpt":"Federated learning enables multiple institutions to train shared models without exchanging raw clinical EEG data, but it does not fully prevent privacy leakage from individual model updates. This paper presents a privacy-preserving federated learning framework for clinical EEG data using masking-based secure aggregation as the core protection mechanism. The framework combines graph-based communication, threshold secret sharing, dropout-resilient aggregation, local update clipping, an optional Bloom filter-based privacy-preserving record-linkage initialization module, and auxiliary-notary-based"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28191","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/2607.28191/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":"2026-07-31T01:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qePJuAttbCEbYEhikTLDHM8ZcH/ocAqdUXIiYSIKNpoLoKLrAKve2D7vQGGxHS17ezd0pYiPSMYXHhQ3CxkBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T19:42:24.807221Z"},"content_sha256":"1317d4dfbdf4d7d31e0dbd4dc1a816346883e2ea00db74516e49ee53093c5b31","schema_version":"1.0","event_id":"sha256:1317d4dfbdf4d7d31e0dbd4dc1a816346883e2ea00db74516e49ee53093c5b31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TN3EFCNAYGAIZBEGOIN53S5T7M/bundle.json","state_url":"https://pith.science/pith/TN3EFCNAYGAIZBEGOIN53S5T7M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TN3EFCNAYGAIZBEGOIN53S5T7M/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":"2026-08-13T19:42:24Z","links":{"resolver":"https://pith.science/pith/TN3EFCNAYGAIZBEGOIN53S5T7M","bundle":"https://pith.science/pith/TN3EFCNAYGAIZBEGOIN53S5T7M/bundle.json","state":"https://pith.science/pith/TN3EFCNAYGAIZBEGOIN53S5T7M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TN3EFCNAYGAIZBEGOIN53S5T7M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TN3EFCNAYGAIZBEGOIN53S5T7M","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":"fbdf0d85dfa2170648f415450bdf2a3548a8b1aae25c27309c7d66755366c771","cross_cats_sorted":["cs.DC","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-07-30T13:28:39Z","title_canon_sha256":"4d73a25e2f3457ff829dc60d3c6f54da8881849b3702555ff4d11caf6b8627ef"},"schema_version":"1.0","source":{"id":"2607.28191","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28191","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28191v1","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28191","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"TN3EFCNAYGAI","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"pith_short_16","alias_value":"TN3EFCNAYGAIZBEG","created_at":"2026-07-31T01:36:27Z"},{"alias_kind":"pith_short_8","alias_value":"TN3EFCNA","created_at":"2026-07-31T01:36:27Z"}],"graph_snapshots":[{"event_id":"sha256:1317d4dfbdf4d7d31e0dbd4dc1a816346883e2ea00db74516e49ee53093c5b31","target":"graph","created_at":"2026-07-31T01:36:27Z","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/2607.28191/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Federated learning enables multiple institutions to train shared models without exchanging raw clinical EEG data, but it does not fully prevent privacy leakage from individual model updates. This paper presents a privacy-preserving federated learning framework for clinical EEG data using masking-based secure aggregation as the core protection mechanism. The framework combines graph-based communication, threshold secret sharing, dropout-resilient aggregation, local update clipping, an optional Bloom filter-based privacy-preserving record-linkage initialization module, and auxiliary-notary-based","authors_text":"Mohsen Toorani, Pouya Rajabi","cross_cats":["cs.DC","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-07-30T13:28:39Z","title":"Secure Aggregation for Privacy-Preserving Federated Learning on Clinical EEG Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28191","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":"sha256:59a92f5911dac3f83f346de2f4bed3212d1ec5d62b8995e93b35f4ec4a938a15","target":"record","created_at":"2026-07-31T01:36:27Z","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":"fbdf0d85dfa2170648f415450bdf2a3548a8b1aae25c27309c7d66755366c771","cross_cats_sorted":["cs.DC","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2026-07-30T13:28:39Z","title_canon_sha256":"4d73a25e2f3457ff829dc60d3c6f54da8881849b3702555ff4d11caf6b8627ef"},"schema_version":"1.0","source":{"id":"2607.28191","kind":"arxiv","version":1}},"canonical_sha256":"9b764289a0c1808c8486721bddcbb3fb00705641e79a3145aedf7b46562ff9fb","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b764289a0c1808c8486721bddcbb3fb00705641e79a3145aedf7b46562ff9fb","first_computed_at":"2026-07-31T01:36:27.729063Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:36:27.729063Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.28191","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59a92f5911dac3f83f346de2f4bed3212d1ec5d62b8995e93b35f4ec4a938a15","sha256:1317d4dfbdf4d7d31e0dbd4dc1a816346883e2ea00db74516e49ee53093c5b31"],"state_sha256":"88dd8cfdf98030be0376fac17fbd7f154e73338c5594a13ba556f35b9527f135"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G3EqmrWxp5pVhf6f+lMOL3DJIRX1Y4pYaDo0Y1224Jccv7w4lioUxqzsH6Yj110S/QDI2O5xghuTtZwKO6suAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T19:42:24.829483Z","bundle_sha256":"f870bedf1ea4f208d176648264902f1ce1f90a683cde09d76b76e96c7b934adc"}}