{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:Q2FIO64TFETK7TI3CASKRY5ZBE","short_pith_number":"pith:Q2FIO64T","canonical_record":{"source":{"id":"2405.01882","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-03T06:57:59Z","cross_cats_sorted":["cs.AI","eess.SP"],"title_canon_sha256":"d0f2376c274deba856796d7b7c64a2739ef17df32b7f8e74f694c54c59460ca4","abstract_canon_sha256":"e6c52c51032163359aecff4551250c3403340fa19481c18ac1463cd0dcd7b471"},"schema_version":"1.0"},"canonical_sha256":"868a877b932926afcd1b1024a8e3b9091f5d8951a0c45bbe199c4f32e51e77bd","source":{"kind":"arxiv","id":"2405.01882","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.01882","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"arxiv_version","alias_value":"2405.01882v1","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.01882","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q2FIO64TFETK","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"pith_short_16","alias_value":"Q2FIO64TFETK7TI3","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"pith_short_8","alias_value":"Q2FIO64T","created_at":"2026-07-05T08:15:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:Q2FIO64TFETK7TI3CASKRY5ZBE","target":"record","payload":{"canonical_record":{"source":{"id":"2405.01882","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-03T06:57:59Z","cross_cats_sorted":["cs.AI","eess.SP"],"title_canon_sha256":"d0f2376c274deba856796d7b7c64a2739ef17df32b7f8e74f694c54c59460ca4","abstract_canon_sha256":"e6c52c51032163359aecff4551250c3403340fa19481c18ac1463cd0dcd7b471"},"schema_version":"1.0"},"canonical_sha256":"868a877b932926afcd1b1024a8e3b9091f5d8951a0c45bbe199c4f32e51e77bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:15:03.531087Z","signature_b64":"utkKL1xcN1JB565P2L/MVVvqEB5n0BmGQoIx5X10sRdGRpxZAAaA1iOwum2AkWNrBGdbmJuNtEJ8kgxWNoFfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"868a877b932926afcd1b1024a8e3b9091f5d8951a0c45bbe199c4f32e51e77bd","last_reissued_at":"2026-07-05T08:15:03.530557Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:15:03.530557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.01882","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":"2026-07-05T08:15:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tyj7DhXIA5IzY+zfPVVUFIw5CribnmxolvFSwW/2gwGASNzg4cB0S9GfdYxXt6V6h6LYq9xwDL9DUcIWrT7kAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:56:13.669985Z"},"content_sha256":"ff3ea1a9eb0c2c2092b5a3242f8eba05023b5b4e615ed92a2a5ef97eabc8bc2b","schema_version":"1.0","event_id":"sha256:ff3ea1a9eb0c2c2092b5a3242f8eba05023b5b4e615ed92a2a5ef97eabc8bc2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:Q2FIO64TFETK7TI3CASKRY5ZBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Millimeter Wave Radar-based Human Activity Recognition for Healthcare Monitoring Robot","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.AI","eess.SP"],"primary_cat":"cs.RO","authors_text":"Chengpei Xu, Feng Xia, Gengfa Fang, Wenjing Jia, Xiangjian He, Zhanzhong Gu","submitted_at":"2024-05-03T06:57:59Z","abstract_excerpt":"Healthcare monitoring is crucial, especially for the daily care of elderly individuals living alone. It can detect dangerous occurrences, such as falls, and provide timely alerts to save lives. Non-invasive millimeter wave (mmWave) radar-based healthcare monitoring systems using advanced human activity recognition (HAR) models have recently gained significant attention. However, they encounter challenges in handling sparse point clouds, achieving real-time continuous classification, and coping with limited monitoring ranges when statically mounted. To overcome these limitations, we propose Rob"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.01882","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/2405.01882/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":"2026-07-05T08:15:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0w9ElyY2dF9ea13oKM6YAZ1vGFaPaKIFHxiET8+m7lVSHNzDzsuXyIF4raRu3jrEba3ShWSpnu4WK7ZOtpeKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:56:13.670902Z"},"content_sha256":"3136714f5a64e1dba26b5f3fb5428f2638e28a7afc6bfd2247ec122b1e947ac6","schema_version":"1.0","event_id":"sha256:3136714f5a64e1dba26b5f3fb5428f2638e28a7afc6bfd2247ec122b1e947ac6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2FIO64TFETK7TI3CASKRY5ZBE/bundle.json","state_url":"https://pith.science/pith/Q2FIO64TFETK7TI3CASKRY5ZBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2FIO64TFETK7TI3CASKRY5ZBE/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":"2026-08-05T07:56:13Z","links":{"resolver":"https://pith.science/pith/Q2FIO64TFETK7TI3CASKRY5ZBE","bundle":"https://pith.science/pith/Q2FIO64TFETK7TI3CASKRY5ZBE/bundle.json","state":"https://pith.science/pith/Q2FIO64TFETK7TI3CASKRY5ZBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2FIO64TFETK7TI3CASKRY5ZBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:Q2FIO64TFETK7TI3CASKRY5ZBE","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":"e6c52c51032163359aecff4551250c3403340fa19481c18ac1463cd0dcd7b471","cross_cats_sorted":["cs.AI","eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-03T06:57:59Z","title_canon_sha256":"d0f2376c274deba856796d7b7c64a2739ef17df32b7f8e74f694c54c59460ca4"},"schema_version":"1.0","source":{"id":"2405.01882","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.01882","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"arxiv_version","alias_value":"2405.01882v1","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.01882","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q2FIO64TFETK","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"pith_short_16","alias_value":"Q2FIO64TFETK7TI3","created_at":"2026-07-05T08:15:03Z"},{"alias_kind":"pith_short_8","alias_value":"Q2FIO64T","created_at":"2026-07-05T08:15:03Z"}],"graph_snapshots":[{"event_id":"sha256:3136714f5a64e1dba26b5f3fb5428f2638e28a7afc6bfd2247ec122b1e947ac6","target":"graph","created_at":"2026-07-05T08:15:03Z","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/2405.01882/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Healthcare monitoring is crucial, especially for the daily care of elderly individuals living alone. It can detect dangerous occurrences, such as falls, and provide timely alerts to save lives. Non-invasive millimeter wave (mmWave) radar-based healthcare monitoring systems using advanced human activity recognition (HAR) models have recently gained significant attention. However, they encounter challenges in handling sparse point clouds, achieving real-time continuous classification, and coping with limited monitoring ranges when statically mounted. To overcome these limitations, we propose Rob","authors_text":"Chengpei Xu, Feng Xia, Gengfa Fang, Wenjing Jia, Xiangjian He, Zhanzhong Gu","cross_cats":["cs.AI","eess.SP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-03T06:57:59Z","title":"Millimeter Wave Radar-based Human Activity Recognition for Healthcare Monitoring Robot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.01882","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:ff3ea1a9eb0c2c2092b5a3242f8eba05023b5b4e615ed92a2a5ef97eabc8bc2b","target":"record","created_at":"2026-07-05T08:15:03Z","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":"e6c52c51032163359aecff4551250c3403340fa19481c18ac1463cd0dcd7b471","cross_cats_sorted":["cs.AI","eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.RO","submitted_at":"2024-05-03T06:57:59Z","title_canon_sha256":"d0f2376c274deba856796d7b7c64a2739ef17df32b7f8e74f694c54c59460ca4"},"schema_version":"1.0","source":{"id":"2405.01882","kind":"arxiv","version":1}},"canonical_sha256":"868a877b932926afcd1b1024a8e3b9091f5d8951a0c45bbe199c4f32e51e77bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"868a877b932926afcd1b1024a8e3b9091f5d8951a0c45bbe199c4f32e51e77bd","first_computed_at":"2026-07-05T08:15:03.530557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:15:03.530557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"utkKL1xcN1JB565P2L/MVVvqEB5n0BmGQoIx5X10sRdGRpxZAAaA1iOwum2AkWNrBGdbmJuNtEJ8kgxWNoFfAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:15:03.531087Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.01882","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff3ea1a9eb0c2c2092b5a3242f8eba05023b5b4e615ed92a2a5ef97eabc8bc2b","sha256:3136714f5a64e1dba26b5f3fb5428f2638e28a7afc6bfd2247ec122b1e947ac6"],"state_sha256":"2866abcf64f3f80db62dae3669dff3aa7dc5136f8dd54af5189ad4389b18d440"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L2XQwa4k77EACAnuaJG5MkeqIqtNA1FDc/aa5JtT+A+J4Z8jZ3ThZ/9JutWM+ihr1gQKkKqNrhC8ZoVBTJv+Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:56:13.695785Z","bundle_sha256":"7a6cfcb35328312617c064af3399843440e5fd87de02dfe45750de34551b59e2"}}