{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SGAX56VZ3VLPSAGLCWFUQWDWBF","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":"271570571f8c16a60caf6bc8d631d233f2310a1fec72485017c9e39e8d39174e","cross_cats_sorted":["cs.AI","cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-15T01:51:09Z","title_canon_sha256":"0c7fab5bfda7f6ad342bc432e6862fff4428ab20ce6dd5716901b8597ab195aa"},"schema_version":"1.0","source":{"id":"2605.18862","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18862","created_at":"2026-05-20T00:06:29Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18862v1","created_at":"2026-05-20T00:06:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18862","created_at":"2026-05-20T00:06:29Z"},{"alias_kind":"pith_short_12","alias_value":"SGAX56VZ3VLP","created_at":"2026-05-20T00:06:29Z"},{"alias_kind":"pith_short_16","alias_value":"SGAX56VZ3VLPSAGL","created_at":"2026-05-20T00:06:29Z"},{"alias_kind":"pith_short_8","alias_value":"SGAX56VZ","created_at":"2026-05-20T00:06:29Z"}],"graph_snapshots":[{"event_id":"sha256:4fd104660e7883c9f90927b77183b1b425d01dae0452e40e3e8852239638bc72","target":"graph","created_at":"2026-05-20T00:06:29Z","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/2605.18862/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cardiovascular disease remains the leading cause of death worldwide, and early detection of arrhythmias through continuous ECG monitoring on wearable devices can prevent life-threatening events. Federated Learning (FL) enables privacy-preserving collaborative training by keeping raw ECG data on device, yet standard FL incurs prohibitive communication overhead and standard deep learning models cannot fit on ultra-low-power microcontrollers. We propose Family-Grouped Hierarchical Federated Learning (Family-FL), a three-tier architecture that uses the family as a natural privacy boundary for intr","authors_text":"Hangyu Wu","cross_cats":["cs.AI","cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-15T01:51:09Z","title":"Towards Family-Grouped Hierarchical Federated Learning on Sub-5KB Models: A Feasibility Study of Privacy-Preserving ECG Monitoring for Ultra-Resource-Constrained Wearables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18862","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":"sha256:3776f5c9fc06e0e2ceadc64cb9c8f8629a60a41b5908461a2d24aae3c5dd9d52","target":"record","created_at":"2026-05-20T00:06:29Z","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":"271570571f8c16a60caf6bc8d631d233f2310a1fec72485017c9e39e8d39174e","cross_cats_sorted":["cs.AI","cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-05-15T01:51:09Z","title_canon_sha256":"0c7fab5bfda7f6ad342bc432e6862fff4428ab20ce6dd5716901b8597ab195aa"},"schema_version":"1.0","source":{"id":"2605.18862","kind":"arxiv","version":1}},"canonical_sha256":"91817efab9dd56f900cb158b4858760966e50bf7bd2c755fe3b8cd701b3c2a78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91817efab9dd56f900cb158b4858760966e50bf7bd2c755fe3b8cd701b3c2a78","first_computed_at":"2026-05-20T00:06:29.098171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:06:29.098171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RrmMInfvIDhoxA4Ir9wlJij3cwNbBjDaceq+Ch+1aGuXd+EPOqJXt8kctZ7FZtyP9evrQjbomKK/RztkxdUfAw==","signature_status":"signed_v1","signed_at":"2026-05-20T00:06:29.098780Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.18862","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3776f5c9fc06e0e2ceadc64cb9c8f8629a60a41b5908461a2d24aae3c5dd9d52","sha256:4fd104660e7883c9f90927b77183b1b425d01dae0452e40e3e8852239638bc72"],"state_sha256":"a91a5f9dcf837566a96592921a5f295f6423abcffc5aa72e8c544a2381555d56"}