{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:LJIGHS6GUXEDUJCSR4JMTLNEQV","short_pith_number":"pith:LJIGHS6G","schema_version":"1.0","canonical_sha256":"5a5063cbc6a5c83a24528f12c9ada48570266588043fd4436d74ab466164f607","source":{"kind":"arxiv","id":"1809.02726","version":1},"attestation_state":"computed","paper":{"title":"Surface MIMO: Using Conductive Surfaces For MIMO Between Small Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Anran Wang, Justin Chan, Shyamnath Gollakota, Vikram Iyer","submitted_at":"2018-09-08T01:00:42Z","abstract_excerpt":"As connected devices continue to decrease in size, we explore the idea of leveraging everyday surfaces such as tabletops and walls to augment the wireless capabilities of devices. Specifically, we introduce Surface MIMO, a technique that enables MIMO communication between small devices via surfaces coated with conductive paint or covered with conductive cloth. These surfaces act as an additional spatial path that enables MIMO capabilities without increasing the physical size of the devices themselves. We provide an extensive characterization of these surfaces that reveal their effect on the pr"},"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":"1809.02726","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-09-08T01:00:42Z","cross_cats_sorted":[],"title_canon_sha256":"dfea417ee379cc9c61008a55e432c9915b671cb1658d6b0101453562f46473a7","abstract_canon_sha256":"30df1ea4f7e2562944c9880f46922f86fbd8c72ea7e16d3fbe38d76f2645ac42"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:15.497523Z","signature_b64":"QLRfXd4USIUWbPPCNr40NnzIAb0INud8vsJK71Kghnuz0qIpC7jvS3oihjGbZ105agqrf67ancRKL224nwvFCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a5063cbc6a5c83a24528f12c9ada48570266588043fd4436d74ab466164f607","last_reissued_at":"2026-05-18T00:06:15.496929Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:15.496929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface MIMO: Using Conductive Surfaces For MIMO Between Small Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Anran Wang, Justin Chan, Shyamnath Gollakota, Vikram Iyer","submitted_at":"2018-09-08T01:00:42Z","abstract_excerpt":"As connected devices continue to decrease in size, we explore the idea of leveraging everyday surfaces such as tabletops and walls to augment the wireless capabilities of devices. Specifically, we introduce Surface MIMO, a technique that enables MIMO communication between small devices via surfaces coated with conductive paint or covered with conductive cloth. These surfaces act as an additional spatial path that enables MIMO capabilities without increasing the physical size of the devices themselves. We provide an extensive characterization of these surfaces that reveal their effect on the pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02726","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":"1809.02726","created_at":"2026-05-18T00:06:15.497029+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.02726v1","created_at":"2026-05-18T00:06:15.497029+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02726","created_at":"2026-05-18T00:06:15.497029+00:00"},{"alias_kind":"pith_short_12","alias_value":"LJIGHS6GUXED","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"LJIGHS6GUXEDUJCS","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"LJIGHS6G","created_at":"2026-05-18T12:32:37.024351+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/LJIGHS6GUXEDUJCSR4JMTLNEQV","json":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV.json","graph_json":"https://pith.science/api/pith-number/LJIGHS6GUXEDUJCSR4JMTLNEQV/graph.json","events_json":"https://pith.science/api/pith-number/LJIGHS6GUXEDUJCSR4JMTLNEQV/events.json","paper":"https://pith.science/paper/LJIGHS6G"},"agent_actions":{"view_html":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV","download_json":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV.json","view_paper":"https://pith.science/paper/LJIGHS6G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.02726&json=true","fetch_graph":"https://pith.science/api/pith-number/LJIGHS6GUXEDUJCSR4JMTLNEQV/graph.json","fetch_events":"https://pith.science/api/pith-number/LJIGHS6GUXEDUJCSR4JMTLNEQV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV/action/storage_attestation","attest_author":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV/action/author_attestation","sign_citation":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV/action/citation_signature","submit_replication":"https://pith.science/pith/LJIGHS6GUXEDUJCSR4JMTLNEQV/action/replication_record"}},"created_at":"2026-05-18T00:06:15.497029+00:00","updated_at":"2026-05-18T00:06:15.497029+00:00"}