{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RB5YW2BUDENXPRTQ3QU6NQKCJB","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":"6d432ccf32039d069c27ddeee42e931d5780829b49e498f031b89db9bf0043da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-27T20:59:28Z","title_canon_sha256":"b5b40581abfce9c012e90b1b70a55baee40093035e0f7798bc0436f03c4b3085"},"schema_version":"1.0","source":{"id":"1810.11707","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.11707","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"arxiv_version","alias_value":"1810.11707v1","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.11707","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"pith_short_12","alias_value":"RB5YW2BUDENX","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RB5YW2BUDENXPRTQ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RB5YW2BU","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:8cbfe598c055e622fb1617dc44215afc15eb73d3fddbb3004f06d471f5098079","target":"graph","created_at":"2026-05-18T00:02:07Z","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"},"paper":{"abstract_excerpt":"Recently several ground-breaking RF-based motion recognition systems were proposed to detect and/or recognize macro/micro human movements. These systems often suffer from various interferences caused by multiple-users moving simultaneously, resulting in extremely low recognition accuracy. To tackle this challenge, we propose a novel system, called Motion-Fi, which marries battery free wireless backscattering and device-free sensing. Motion-Fi is an accurate, interference tolerable motion-recognition system, which counts repetitive motions without using scenario-dependent templates or profiles ","authors_text":"Haohua Du, Hao Zhou, Ning Xiao, Panlong Yang, Xiang-Yang Li, Yubo Yan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-27T20:59:28Z","title":"From Communication to Sensing : Recognizing and Counting Repetitive Motions with Wireless Backscattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.11707","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:e29d4e4b672bab32be856bc4db7a11cbe24fb6cb1e2b6e9f267d771fc907ec0d","target":"record","created_at":"2026-05-18T00:02:07Z","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":"6d432ccf32039d069c27ddeee42e931d5780829b49e498f031b89db9bf0043da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-27T20:59:28Z","title_canon_sha256":"b5b40581abfce9c012e90b1b70a55baee40093035e0f7798bc0436f03c4b3085"},"schema_version":"1.0","source":{"id":"1810.11707","kind":"arxiv","version":1}},"canonical_sha256":"887b8b6834191b77c670dc29e6c142485138480b7f19b2e4b4d7d46e615e2307","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"887b8b6834191b77c670dc29e6c142485138480b7f19b2e4b4d7d46e615e2307","first_computed_at":"2026-05-18T00:02:07.682014Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:07.682014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c+/hjeyM4VsNJs6XyUobwUloM3UrnLeC8I3yYwedtcOpBWuna2dehSFoFBH+m39mqcaQhXPRogAfp4lGQCQfBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:07.682784Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.11707","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e29d4e4b672bab32be856bc4db7a11cbe24fb6cb1e2b6e9f267d771fc907ec0d","sha256:8cbfe598c055e622fb1617dc44215afc15eb73d3fddbb3004f06d471f5098079"],"state_sha256":"5c443ba62ae74732b1e62693e2dc8c3107eb3458aa64f6a2e69e6d68d71c1cf2"}