{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:OH7FQGZPEDTPMZM2YRQV6OOTRV","short_pith_number":"pith:OH7FQGZP","schema_version":"1.0","canonical_sha256":"71fe581b2f20e6f6659ac4615f39d38d51d46468c85705200ca9a4da26b428c2","source":{"kind":"arxiv","id":"quant-ph/0305154","version":3},"attestation_state":"computed","paper":{"title":"On the Power of Quantum Memory","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Renato Renner, Robert Koenig, Ueli Maurer","submitted_at":"2003-05-26T10:13:59Z","abstract_excerpt":"We address the question whether quantum memory is more powerful than classical memory. In particular, we consider a setting where information about a random n-bit string X is stored in r classical or quantum bits, for r<n, i.e., the stored information is bound to be only partial. Later, a randomly chosen binary question F about X is asked, which has to be answered using only the stored information. The maximal probability of correctly guessing the answer F(X) is then compared for the cases where the storage device is classical or quantum mechanical, respectively.\n  We show that, despite the fa"},"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":"quant-ph/0305154","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-05-26T10:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"f779ad454828cb2f18d3fbdf82c8222e401a13f969efa3ebd4500d94332677f4","abstract_canon_sha256":"86860afdf67048e6d4b113017658b55164f32550b4ead672fd03b33d1b645b67"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:26.342735Z","signature_b64":"ajTHclVhFyrnvRcdF+xLo//OCmp0EYbtYtzeoVo7Kma1mN71Igx/FjmfLLczf2GL1Dz/8yNZib7KNpAybbfmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71fe581b2f20e6f6659ac4615f39d38d51d46468c85705200ca9a4da26b428c2","last_reissued_at":"2026-05-18T00:58:26.342170Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:26.342170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Power of Quantum Memory","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Renato Renner, Robert Koenig, Ueli Maurer","submitted_at":"2003-05-26T10:13:59Z","abstract_excerpt":"We address the question whether quantum memory is more powerful than classical memory. In particular, we consider a setting where information about a random n-bit string X is stored in r classical or quantum bits, for r<n, i.e., the stored information is bound to be only partial. Later, a randomly chosen binary question F about X is asked, which has to be answered using only the stored information. The maximal probability of correctly guessing the answer F(X) is then compared for the cases where the storage device is classical or quantum mechanical, respectively.\n  We show that, despite the fa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0305154","kind":"arxiv","version":3},"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":"quant-ph/0305154","created_at":"2026-05-18T00:58:26.342238+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0305154v3","created_at":"2026-05-18T00:58:26.342238+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0305154","created_at":"2026-05-18T00:58:26.342238+00:00"},{"alias_kind":"pith_short_12","alias_value":"OH7FQGZPEDTP","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"OH7FQGZPEDTPMZM2","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"OH7FQGZP","created_at":"2026-05-18T12:25:52.051335+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/OH7FQGZPEDTPMZM2YRQV6OOTRV","json":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV.json","graph_json":"https://pith.science/api/pith-number/OH7FQGZPEDTPMZM2YRQV6OOTRV/graph.json","events_json":"https://pith.science/api/pith-number/OH7FQGZPEDTPMZM2YRQV6OOTRV/events.json","paper":"https://pith.science/paper/OH7FQGZP"},"agent_actions":{"view_html":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV","download_json":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV.json","view_paper":"https://pith.science/paper/OH7FQGZP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/0305154&json=true","fetch_graph":"https://pith.science/api/pith-number/OH7FQGZPEDTPMZM2YRQV6OOTRV/graph.json","fetch_events":"https://pith.science/api/pith-number/OH7FQGZPEDTPMZM2YRQV6OOTRV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV/action/storage_attestation","attest_author":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV/action/author_attestation","sign_citation":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV/action/citation_signature","submit_replication":"https://pith.science/pith/OH7FQGZPEDTPMZM2YRQV6OOTRV/action/replication_record"}},"created_at":"2026-05-18T00:58:26.342238+00:00","updated_at":"2026-05-18T00:58:26.342238+00:00"}