{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ","short_pith_number":"pith:4LPQ3QQN","schema_version":"1.0","canonical_sha256":"e2df0dc20d7c8bb40880abb58fe6fea439ade9efa29a0deceef04e35859ef7d0","source":{"kind":"arxiv","id":"1802.07470","version":1},"attestation_state":"computed","paper":{"title":"Slocalization: Sub-{\\mu}W Ultra Wideband Backscatter Localization","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["eess.SP"],"primary_cat":"cs.NI","authors_text":"Benjamin Kempke, Pat Pannuto, Prabal Dutta","submitted_at":"2018-02-21T09:02:23Z","abstract_excerpt":"Ultra wideband technology has shown great promise for providing high-quality location estimation, even in complex indoor multipath environments, but existing ultra wideband systems require tens to hundreds of milliwatts during operation. Backscatter communication has demonstrated the viability of astonishingly low-power tags, but has thus far been restricted to narrowband systems with low localization resolution. The challenge to combining these complimentary technologies is that they share a compounding limitation, constrained transmit power. Regulations limit ultra wideband transmissions to "},"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":"1802.07470","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.NI","submitted_at":"2018-02-21T09:02:23Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"1a733f4457e5189c97a626220859bdcc94ca8fb902107747848de30e72e61343","abstract_canon_sha256":"623e8b9757bef3e3dc418e67b66642588059c1636a43f4541a4e730b4255ba3e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:30.646711Z","signature_b64":"ffSoNZBZaDB6CdYcp2L2P2DhxesOW9kW5S657ou7n9gjsK08Lbkntbw8dX2ti9M1aPT87SB5C9UatADbnUDtCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2df0dc20d7c8bb40880abb58fe6fea439ade9efa29a0deceef04e35859ef7d0","last_reissued_at":"2026-05-18T00:00:30.646281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:30.646281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Slocalization: Sub-{\\mu}W Ultra Wideband Backscatter Localization","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["eess.SP"],"primary_cat":"cs.NI","authors_text":"Benjamin Kempke, Pat Pannuto, Prabal Dutta","submitted_at":"2018-02-21T09:02:23Z","abstract_excerpt":"Ultra wideband technology has shown great promise for providing high-quality location estimation, even in complex indoor multipath environments, but existing ultra wideband systems require tens to hundreds of milliwatts during operation. Backscatter communication has demonstrated the viability of astonishingly low-power tags, but has thus far been restricted to narrowband systems with low localization resolution. The challenge to combining these complimentary technologies is that they share a compounding limitation, constrained transmit power. Regulations limit ultra wideband transmissions to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07470","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":""},"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":"1802.07470","created_at":"2026-05-18T00:00:30.646346+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.07470v1","created_at":"2026-05-18T00:00:30.646346+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07470","created_at":"2026-05-18T00:00:30.646346+00:00"},{"alias_kind":"pith_short_12","alias_value":"4LPQ3QQNPSF3","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4LPQ3QQNPSF3ICEA","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4LPQ3QQN","created_at":"2026-05-18T12:32:05.422762+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/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ","json":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ.json","graph_json":"https://pith.science/api/pith-number/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/graph.json","events_json":"https://pith.science/api/pith-number/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/events.json","paper":"https://pith.science/paper/4LPQ3QQN"},"agent_actions":{"view_html":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ","download_json":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ.json","view_paper":"https://pith.science/paper/4LPQ3QQN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.07470&json=true","fetch_graph":"https://pith.science/api/pith-number/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/graph.json","fetch_events":"https://pith.science/api/pith-number/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/action/storage_attestation","attest_author":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/action/author_attestation","sign_citation":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/action/citation_signature","submit_replication":"https://pith.science/pith/4LPQ3QQNPSF3ICEAVO2Y7ZX6UQ/action/replication_record"}},"created_at":"2026-05-18T00:00:30.646346+00:00","updated_at":"2026-05-18T00:00:30.646346+00:00"}