{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VC636QO2O5CPWFYNJRQCC3URIZ","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":"a8a32860b746e89ed1576dcda735df71db4116b544ed1010fab65eeec6e21737","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-06-29T09:50:12Z","title_canon_sha256":"8044a304f7dfa436e22630b1ffd382b9e8988410dbd215b78f948a5465d14339"},"schema_version":"1.0","source":{"id":"1307.0084","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.0084","created_at":"2026-05-18T03:19:03Z"},{"alias_kind":"arxiv_version","alias_value":"1307.0084v2","created_at":"2026-05-18T03:19:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.0084","created_at":"2026-05-18T03:19:03Z"},{"alias_kind":"pith_short_12","alias_value":"VC636QO2O5CP","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VC636QO2O5CPWFYN","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VC636QO2","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:2abeffd54496538373d7745937da80887b957aa08d463183dc2443cd08ddb44d","target":"graph","created_at":"2026-05-18T03:19:03Z","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"},"paper":{"abstract_excerpt":"Radio signals are sensitive to changes in the environment, which for example is reflected on the received signal strength (RSS) measurements of low-cost wireless devices. This information has been used effectively in the past years e.g. in device-free localization and tracking. Recent literature has also shown that the fading information of the wireless channel can be exploited to estimate the breathing rate of a person in a non-invasive manner; a research topic we address in this paper. To the best of our knowledge, we demonstrate for the first time that the respiration rate of a person can b","authors_text":"H\\\"useyin Yigitler, Neal Patwari, Ossi Kaltiokallio, Riku J\\\"antti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-06-29T09:50:12Z","title":"Catch a Breath: Non-invasive Respiration Rate Monitoring via Wireless Communication"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.0084","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":"sha256:3b42b5ffdae5b6142ea8717e5b519bd415c98117aa63fda830b1e5f27bf3535d","target":"record","created_at":"2026-05-18T03:19:03Z","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":"a8a32860b746e89ed1576dcda735df71db4116b544ed1010fab65eeec6e21737","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-06-29T09:50:12Z","title_canon_sha256":"8044a304f7dfa436e22630b1ffd382b9e8988410dbd215b78f948a5465d14339"},"schema_version":"1.0","source":{"id":"1307.0084","kind":"arxiv","version":2}},"canonical_sha256":"a8bdbf41da7744fb170d4c60216e9146606965305d80e0ccab76916074441be1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8bdbf41da7744fb170d4c60216e9146606965305d80e0ccab76916074441be1","first_computed_at":"2026-05-18T03:19:03.828869Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:03.828869Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EOp9VjPy4pdvSyWQnxVZ5V5jcaFtWdF/3iRn7IqJ9n5PEQfB3gP156hOi6UW50VdH6YpsoPcdXO/fmPajNmjDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:03.829398Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.0084","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b42b5ffdae5b6142ea8717e5b519bd415c98117aa63fda830b1e5f27bf3535d","sha256:2abeffd54496538373d7745937da80887b957aa08d463183dc2443cd08ddb44d"],"state_sha256":"e565c510611f5f4cf252b1e951a87e3d2aee703ccde386b54ec0758425664f30"}