{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IM5QRNHB2AVMX5PJRJUEVNQ5XF","short_pith_number":"pith:IM5QRNHB","schema_version":"1.0","canonical_sha256":"433b08b4e1d02acbf5e98a684ab61db96fcfe54470f778e8957c86610bafd79c","source":{"kind":"arxiv","id":"1907.02622","version":1},"attestation_state":"computed","paper":{"title":"Low-power and Reliable Solid-state Drive with Inverted Limited Weight Coding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Armin Ahmadzadeh, Omid Hajihassani, Pooria Taheri, Seyed Hossein Khasteh","submitted_at":"2019-07-04T23:47:02Z","abstract_excerpt":"In this work, we propose a novel coding scheme which based on the characteristics of NAND flash cells, generates codewords that reduce the energy consumption and improve the reliability of solid-state drives. This novel coding scheme, namely Inverted Limited Weight Coding (ILWC), favors a greater number of '1's appearing in its generated codewords at the cost of added information redundancy, as a form of flag bits. This increase in the number of bits valued as logical '1', in the generated codewords, will increase the number of cells that have lower threshold voltages. Through cells with lower"},"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":"1907.02622","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-07-04T23:47:02Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"71c1e4c499c5d1d4fca38508d45bbf4550e7d4ab79b0660546ad884dff13ac67","abstract_canon_sha256":"e0ed151a78ffb2b8194217db3f19af8fd73d2b1087a589a6f728d0f50a8693e5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:23.746962Z","signature_b64":"MRR0WKmcaKSC5ql68IBdTEA006E+T78OQr4Uxq7+M0nAsIMtkQ71Q3EXhql/JRLoNBoRasZGx5S4EPL3lQGFDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"433b08b4e1d02acbf5e98a684ab61db96fcfe54470f778e8957c86610bafd79c","last_reissued_at":"2026-05-17T23:41:23.746251Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:23.746251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Low-power and Reliable Solid-state Drive with Inverted Limited Weight Coding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Armin Ahmadzadeh, Omid Hajihassani, Pooria Taheri, Seyed Hossein Khasteh","submitted_at":"2019-07-04T23:47:02Z","abstract_excerpt":"In this work, we propose a novel coding scheme which based on the characteristics of NAND flash cells, generates codewords that reduce the energy consumption and improve the reliability of solid-state drives. This novel coding scheme, namely Inverted Limited Weight Coding (ILWC), favors a greater number of '1's appearing in its generated codewords at the cost of added information redundancy, as a form of flag bits. This increase in the number of bits valued as logical '1', in the generated codewords, will increase the number of cells that have lower threshold voltages. Through cells with lower"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02622","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":"1907.02622","created_at":"2026-05-17T23:41:23.746348+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.02622v1","created_at":"2026-05-17T23:41:23.746348+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02622","created_at":"2026-05-17T23:41:23.746348+00:00"},{"alias_kind":"pith_short_12","alias_value":"IM5QRNHB2AVM","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"IM5QRNHB2AVMX5PJ","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"IM5QRNHB","created_at":"2026-05-18T12:33:18.533446+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/IM5QRNHB2AVMX5PJRJUEVNQ5XF","json":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF.json","graph_json":"https://pith.science/api/pith-number/IM5QRNHB2AVMX5PJRJUEVNQ5XF/graph.json","events_json":"https://pith.science/api/pith-number/IM5QRNHB2AVMX5PJRJUEVNQ5XF/events.json","paper":"https://pith.science/paper/IM5QRNHB"},"agent_actions":{"view_html":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF","download_json":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF.json","view_paper":"https://pith.science/paper/IM5QRNHB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.02622&json=true","fetch_graph":"https://pith.science/api/pith-number/IM5QRNHB2AVMX5PJRJUEVNQ5XF/graph.json","fetch_events":"https://pith.science/api/pith-number/IM5QRNHB2AVMX5PJRJUEVNQ5XF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF/action/storage_attestation","attest_author":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF/action/author_attestation","sign_citation":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF/action/citation_signature","submit_replication":"https://pith.science/pith/IM5QRNHB2AVMX5PJRJUEVNQ5XF/action/replication_record"}},"created_at":"2026-05-17T23:41:23.746348+00:00","updated_at":"2026-05-17T23:41:23.746348+00:00"}