{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HW245W4VSAFOUNDW5UHXOFHPGH","short_pith_number":"pith:HW245W4V","canonical_record":{"source":{"id":"1710.07450","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-20T08:28:21Z","cross_cats_sorted":[],"title_canon_sha256":"8563610c528c5a3573857b5265ffd964ae97f3548e33e077be11626e7e9a7c35","abstract_canon_sha256":"f5cb1f57a6ba4ae164f718d54c5e88893d8c3719ae73e9c7500db2448de7bb02"},"schema_version":"1.0"},"canonical_sha256":"3db5cedb95900aea3476ed0f7714ef31c2665dc9d7226edd03e7b08983d8fa8d","source":{"kind":"arxiv","id":"1710.07450","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07450","created_at":"2026-05-18T00:28:22Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07450v2","created_at":"2026-05-18T00:28:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07450","created_at":"2026-05-18T00:28:22Z"},{"alias_kind":"pith_short_12","alias_value":"HW245W4VSAFO","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HW245W4VSAFOUNDW","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HW245W4V","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HW245W4VSAFOUNDW5UHXOFHPGH","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07450","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-20T08:28:21Z","cross_cats_sorted":[],"title_canon_sha256":"8563610c528c5a3573857b5265ffd964ae97f3548e33e077be11626e7e9a7c35","abstract_canon_sha256":"f5cb1f57a6ba4ae164f718d54c5e88893d8c3719ae73e9c7500db2448de7bb02"},"schema_version":"1.0"},"canonical_sha256":"3db5cedb95900aea3476ed0f7714ef31c2665dc9d7226edd03e7b08983d8fa8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:22.403602Z","signature_b64":"tSqPUwKjVNCbDA5mjDzRpzV5L1E07PLKivTG5enJDoH8FM3YbWLZhgPytSrND25JcvCEZqGzs0jz/U+ujagFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3db5cedb95900aea3476ed0f7714ef31c2665dc9d7226edd03e7b08983d8fa8d","last_reissued_at":"2026-05-18T00:28:22.402839Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:22.402839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07450","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3k5jWzsXntSGXMbEkld0Esop3jBPfci2pXx2U8xof31YicL1q/o212BmeTPGlkWzOmjCkeoXqz/owOOv3aBPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:14:49.260939Z"},"content_sha256":"bd87a6242bc5f25295020d4a59bf1ee50ebee29a52f79ec9903ca887930769a3","schema_version":"1.0","event_id":"sha256:bd87a6242bc5f25295020d4a59bf1ee50ebee29a52f79ec9903ca887930769a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HW245W4VSAFOUNDW5UHXOFHPGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Learning Based NLOS Identification with Commodity WLAN Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Jae-Hyun Lee, Jeong-Sik Choi, Jong-Ho Lee, Seong-Cheol Kim, Woong-Hee Lee","submitted_at":"2017-10-20T08:28:21Z","abstract_excerpt":"Identifying line-of-sight (LOS) and non-LOS (NLOS) channel conditions can improve the performance of many wireless applications, such as signal strength-based localization algorithms. For this purpose, channel state information (CSI) obtained by commodity IEEE 802.11n devices can be used, because it contains information about channel impulse response (CIR). However, because of the limited sampling rate of the devices, a high-resolution CIR is not available, and it is difficult to detect the existence of an LOS path from a single CSI measurement, but it can be inferred from the variation patter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07450","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:28:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q8tklX3/GqftJIS99+JuckCC2IBHy1u3A7BPL6IqGaoelumm69Mnc6eU6wBt8pidrVYj+ybQ+2u+qopF6cz1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:14:49.261698Z"},"content_sha256":"57cd40be935830bcfdcc356a8ca4bbb13510166eb58dca379d17c3c791a14512","schema_version":"1.0","event_id":"sha256:57cd40be935830bcfdcc356a8ca4bbb13510166eb58dca379d17c3c791a14512"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HW245W4VSAFOUNDW5UHXOFHPGH/bundle.json","state_url":"https://pith.science/pith/HW245W4VSAFOUNDW5UHXOFHPGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HW245W4VSAFOUNDW5UHXOFHPGH/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":"2026-05-31T03:14:49Z","links":{"resolver":"https://pith.science/pith/HW245W4VSAFOUNDW5UHXOFHPGH","bundle":"https://pith.science/pith/HW245W4VSAFOUNDW5UHXOFHPGH/bundle.json","state":"https://pith.science/pith/HW245W4VSAFOUNDW5UHXOFHPGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HW245W4VSAFOUNDW5UHXOFHPGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HW245W4VSAFOUNDW5UHXOFHPGH","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":"f5cb1f57a6ba4ae164f718d54c5e88893d8c3719ae73e9c7500db2448de7bb02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-20T08:28:21Z","title_canon_sha256":"8563610c528c5a3573857b5265ffd964ae97f3548e33e077be11626e7e9a7c35"},"schema_version":"1.0","source":{"id":"1710.07450","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07450","created_at":"2026-05-18T00:28:22Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07450v2","created_at":"2026-05-18T00:28:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07450","created_at":"2026-05-18T00:28:22Z"},{"alias_kind":"pith_short_12","alias_value":"HW245W4VSAFO","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HW245W4VSAFOUNDW","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HW245W4V","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:57cd40be935830bcfdcc356a8ca4bbb13510166eb58dca379d17c3c791a14512","target":"graph","created_at":"2026-05-18T00:28:22Z","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":"Identifying line-of-sight (LOS) and non-LOS (NLOS) channel conditions can improve the performance of many wireless applications, such as signal strength-based localization algorithms. For this purpose, channel state information (CSI) obtained by commodity IEEE 802.11n devices can be used, because it contains information about channel impulse response (CIR). However, because of the limited sampling rate of the devices, a high-resolution CIR is not available, and it is difficult to detect the existence of an LOS path from a single CSI measurement, but it can be inferred from the variation patter","authors_text":"Jae-Hyun Lee, Jeong-Sik Choi, Jong-Ho Lee, Seong-Cheol Kim, Woong-Hee Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-20T08:28:21Z","title":"Deep Learning Based NLOS Identification with Commodity WLAN Devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07450","kind":"arxiv","version":2},"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:bd87a6242bc5f25295020d4a59bf1ee50ebee29a52f79ec9903ca887930769a3","target":"record","created_at":"2026-05-18T00:28:22Z","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":"f5cb1f57a6ba4ae164f718d54c5e88893d8c3719ae73e9c7500db2448de7bb02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-10-20T08:28:21Z","title_canon_sha256":"8563610c528c5a3573857b5265ffd964ae97f3548e33e077be11626e7e9a7c35"},"schema_version":"1.0","source":{"id":"1710.07450","kind":"arxiv","version":2}},"canonical_sha256":"3db5cedb95900aea3476ed0f7714ef31c2665dc9d7226edd03e7b08983d8fa8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3db5cedb95900aea3476ed0f7714ef31c2665dc9d7226edd03e7b08983d8fa8d","first_computed_at":"2026-05-18T00:28:22.402839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:22.402839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tSqPUwKjVNCbDA5mjDzRpzV5L1E07PLKivTG5enJDoH8FM3YbWLZhgPytSrND25JcvCEZqGzs0jz/U+ujagFAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:22.403602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07450","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd87a6242bc5f25295020d4a59bf1ee50ebee29a52f79ec9903ca887930769a3","sha256:57cd40be935830bcfdcc356a8ca4bbb13510166eb58dca379d17c3c791a14512"],"state_sha256":"30cdaad085b0b1182a3ebd3f3889fa280d7047f08dc826b64ffd1a46bca17ea3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OklkfPq6n4baHwFzU3WnejQ7nEAnjGA2ePNyjgZAXPM1pat3q0No8dP2LofCl6kx9jfrMLwhuMajIfrtOyO3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:14:49.266055Z","bundle_sha256":"8aff69612e88d15686fa470b86a0500880a6c4950c24a9df74e6005f4df1b791"}}