{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:L2H4DITRUU2WSFECYHNHHXZMVZ","short_pith_number":"pith:L2H4DITR","schema_version":"1.0","canonical_sha256":"5e8fc1a271a535691482c1da73df2cae7549833f5c889a1533ed310e1d2c123e","source":{"kind":"arxiv","id":"1902.02639","version":2},"attestation_state":"computed","paper":{"title":"REAP: Runtime Energy-Accuracy Optimization for Energy Harvesting IoT Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SP","authors_text":"Ganapati Bhat, Hyung Gyu Lee, Kunal Bagewadi, Umit Y. Ogras","submitted_at":"2019-02-02T05:55:33Z","abstract_excerpt":"The use of wearable and mobile devices for health monitoring and activity recognition applications is increasing rapidly. These devices need to maximize their accuracy and active time under a tight energy budget imposed by battery and small form-factor constraints. This paper considers energy harvesting devices that run on a limited energy budget to recognize user activities over a given period. We propose a technique to co-optimize the accuracy and active time by utilizing multiple design points with different energy-accuracy trade-offs. The proposed technique switches between these design po"},"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":"1902.02639","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2019-02-02T05:55:33Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"23452f8016e1286b2cf0d1865c06ac81983b92c81893d06371041055b62709bd","abstract_canon_sha256":"1d6d5666fc86e4bf3e48f2e6b7f8cdf31cf0879bac841ea87b84f8c2d85c1d25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:58.303987Z","signature_b64":"GhoZ6fBmEDyrxDMo9JJiL3lQQNFKetPs/4C76Wv5GWJeHP3fMmsOlLftJtcUbc/OtNaCXBu/DLQ+tO9RX5+RBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e8fc1a271a535691482c1da73df2cae7549833f5c889a1533ed310e1d2c123e","last_reissued_at":"2026-05-17T23:52:58.303330Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:58.303330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"REAP: Runtime Energy-Accuracy Optimization for Energy Harvesting IoT Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SP","authors_text":"Ganapati Bhat, Hyung Gyu Lee, Kunal Bagewadi, Umit Y. Ogras","submitted_at":"2019-02-02T05:55:33Z","abstract_excerpt":"The use of wearable and mobile devices for health monitoring and activity recognition applications is increasing rapidly. These devices need to maximize their accuracy and active time under a tight energy budget imposed by battery and small form-factor constraints. This paper considers energy harvesting devices that run on a limited energy budget to recognize user activities over a given period. We propose a technique to co-optimize the accuracy and active time by utilizing multiple design points with different energy-accuracy trade-offs. The proposed technique switches between these design po"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02639","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1902.02639","created_at":"2026-05-17T23:52:58.303415+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.02639v2","created_at":"2026-05-17T23:52:58.303415+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02639","created_at":"2026-05-17T23:52:58.303415+00:00"},{"alias_kind":"pith_short_12","alias_value":"L2H4DITRUU2W","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"L2H4DITRUU2WSFEC","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"L2H4DITR","created_at":"2026-05-18T12:33:21.387695+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/L2H4DITRUU2WSFECYHNHHXZMVZ","json":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ.json","graph_json":"https://pith.science/api/pith-number/L2H4DITRUU2WSFECYHNHHXZMVZ/graph.json","events_json":"https://pith.science/api/pith-number/L2H4DITRUU2WSFECYHNHHXZMVZ/events.json","paper":"https://pith.science/paper/L2H4DITR"},"agent_actions":{"view_html":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ","download_json":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ.json","view_paper":"https://pith.science/paper/L2H4DITR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.02639&json=true","fetch_graph":"https://pith.science/api/pith-number/L2H4DITRUU2WSFECYHNHHXZMVZ/graph.json","fetch_events":"https://pith.science/api/pith-number/L2H4DITRUU2WSFECYHNHHXZMVZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ/action/storage_attestation","attest_author":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ/action/author_attestation","sign_citation":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ/action/citation_signature","submit_replication":"https://pith.science/pith/L2H4DITRUU2WSFECYHNHHXZMVZ/action/replication_record"}},"created_at":"2026-05-17T23:52:58.303415+00:00","updated_at":"2026-05-17T23:52:58.303415+00:00"}