{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:77ED6UU432AQ4HKK3RUUJRKRLQ","short_pith_number":"pith:77ED6UU4","schema_version":"1.0","canonical_sha256":"ffc83f529cde810e1d4adc6944c5515c0d15cfc2bf5fba5645de28c299d1956e","source":{"kind":"arxiv","id":"2407.21566","version":1},"attestation_state":"computed","paper":{"title":"TRGR: Transmissive RIS-aided Gait Recognition Through Walls","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Jianan Zhang, Junshuo Liu, Robert Caiming Qiu, Tiebin Mi, Xin Shi, Yunlong Huang","submitted_at":"2024-07-31T12:42:25Z","abstract_excerpt":"Gait recognition with radio frequency (RF) signals enables many potential applications requiring accurate identification. However, current systems require individuals to be within a line-of-sight (LOS) environment and struggle with low signal-to-noise ratio (SNR) when signals traverse concrete and thick walls. To address these challenges, we present TRGR, a novel transmissive reconfigurable intelligent surface (RIS)-aided gait recognition system. TRGR can recognize human identities through walls using only the magnitude measurements of channel state information (CSI) from a pair of transceiver"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2407.21566","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2024-07-31T12:42:25Z","cross_cats_sorted":[],"title_canon_sha256":"b1c94addbf439a1c672ad09c469c3b4916dcf3efc172e87a6a0178846df23fd5","abstract_canon_sha256":"3019d8880ddd26b886988618adef284db6cde772225191033e74955b572fb61e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:50:40.904992Z","signature_b64":"qjIBVLnsntp9C6rEwk+vXfUC7L5B7Khcr4kXUNcBjY5Z5aJkvI1pfiP27O7yue2LD01FHJc7gIE9p+muMRK0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffc83f529cde810e1d4adc6944c5515c0d15cfc2bf5fba5645de28c299d1956e","last_reissued_at":"2026-07-05T08:50:40.904556Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:50:40.904556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"TRGR: Transmissive RIS-aided Gait Recognition Through Walls","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Jianan Zhang, Junshuo Liu, Robert Caiming Qiu, Tiebin Mi, Xin Shi, Yunlong Huang","submitted_at":"2024-07-31T12:42:25Z","abstract_excerpt":"Gait recognition with radio frequency (RF) signals enables many potential applications requiring accurate identification. However, current systems require individuals to be within a line-of-sight (LOS) environment and struggle with low signal-to-noise ratio (SNR) when signals traverse concrete and thick walls. To address these challenges, we present TRGR, a novel transmissive reconfigurable intelligent surface (RIS)-aided gait recognition system. TRGR can recognize human identities through walls using only the magnitude measurements of channel state information (CSI) from a pair of transceiver"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.21566","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/2407.21566/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2407.21566","created_at":"2026-07-05T08:50:40.904612+00:00"},{"alias_kind":"arxiv_version","alias_value":"2407.21566v1","created_at":"2026-07-05T08:50:40.904612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.21566","created_at":"2026-07-05T08:50:40.904612+00:00"},{"alias_kind":"pith_short_12","alias_value":"77ED6UU432AQ","created_at":"2026-07-05T08:50:40.904612+00:00"},{"alias_kind":"pith_short_16","alias_value":"77ED6UU432AQ4HKK","created_at":"2026-07-05T08:50:40.904612+00:00"},{"alias_kind":"pith_short_8","alias_value":"77ED6UU4","created_at":"2026-07-05T08:50:40.904612+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ","json":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ.json","graph_json":"https://pith.science/api/pith-number/77ED6UU432AQ4HKK3RUUJRKRLQ/graph.json","events_json":"https://pith.science/api/pith-number/77ED6UU432AQ4HKK3RUUJRKRLQ/events.json","paper":"https://pith.science/paper/77ED6UU4"},"agent_actions":{"view_html":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ","download_json":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ.json","view_paper":"https://pith.science/paper/77ED6UU4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2407.21566&json=true","fetch_graph":"https://pith.science/api/pith-number/77ED6UU432AQ4HKK3RUUJRKRLQ/graph.json","fetch_events":"https://pith.science/api/pith-number/77ED6UU432AQ4HKK3RUUJRKRLQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ/action/storage_attestation","attest_author":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ/action/author_attestation","sign_citation":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ/action/citation_signature","submit_replication":"https://pith.science/pith/77ED6UU432AQ4HKK3RUUJRKRLQ/action/replication_record"}},"created_at":"2026-07-05T08:50:40.904612+00:00","updated_at":"2026-07-05T08:50:40.904612+00:00"}