{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:Q3OVITQBILK6CAQJSDK22ZPHVW","short_pith_number":"pith:Q3OVITQB","schema_version":"1.0","canonical_sha256":"86dd544e0142d5e1020990d5ad65e7adad46e8353e204dc46351b51c3865f7a9","source":{"kind":"arxiv","id":"2304.09643","version":1},"attestation_state":"computed","paper":{"title":"Finite Device-Independent Extraction of a Block Min-Entropy Source against Quantum Adversaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ravishankar Ramanathan","submitted_at":"2023-04-19T13:27:15Z","abstract_excerpt":"The extraction of randomness from weakly random seeds is a problem of central importance with multiple applications. In the device-independent setting, this problem of quantum randomness amplification has been mainly restricted to specific weak sources of Santha-Vazirani type, while extraction from the general min-entropy sources has required a large number of separated devices which is impractical. In this paper, we present a device-independent protocol for amplification of a single min-entropy source (consisting of two blocks of sufficiently high min-entropy) using a device consisting of two"},"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":"2304.09643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-04-19T13:27:15Z","cross_cats_sorted":[],"title_canon_sha256":"2a00cde8ed12af5ccf5f6cc4a3130577ab941a92fa7ab8237f6c447c3307df9c","abstract_canon_sha256":"698d6ab1cb5f0d83e4b52ebe79c23e51736c9fbf24ae6754ea6d076dc3584820"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:40.779871Z","signature_b64":"l/T1Uj2mRnOjvEAbvtnJuTi1nye0lYG0byx8t4FsaUlK7ksmbQuFhN0zuUx3UuNWbdm+6Bnp96JTNI4hmyS7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86dd544e0142d5e1020990d5ad65e7adad46e8353e204dc46351b51c3865f7a9","last_reissued_at":"2026-07-05T06:02:40.779467Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:40.779467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Finite Device-Independent Extraction of a Block Min-Entropy Source against Quantum Adversaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ravishankar Ramanathan","submitted_at":"2023-04-19T13:27:15Z","abstract_excerpt":"The extraction of randomness from weakly random seeds is a problem of central importance with multiple applications. In the device-independent setting, this problem of quantum randomness amplification has been mainly restricted to specific weak sources of Santha-Vazirani type, while extraction from the general min-entropy sources has required a large number of separated devices which is impractical. In this paper, we present a device-independent protocol for amplification of a single min-entropy source (consisting of two blocks of sufficiently high min-entropy) using a device consisting of two"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.09643","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2304.09643/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2304.09643","created_at":"2026-07-05T06:02:40.779525+00:00"},{"alias_kind":"arxiv_version","alias_value":"2304.09643v1","created_at":"2026-07-05T06:02:40.779525+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.09643","created_at":"2026-07-05T06:02:40.779525+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q3OVITQBILK6","created_at":"2026-07-05T06:02:40.779525+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q3OVITQBILK6CAQJ","created_at":"2026-07-05T06:02:40.779525+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q3OVITQB","created_at":"2026-07-05T06:02:40.779525+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.01193","citing_title":"Non-signaling assistance in prepare-and-measure scenarios with classical communication","ref_index":43,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW","json":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW.json","graph_json":"https://pith.science/api/pith-number/Q3OVITQBILK6CAQJSDK22ZPHVW/graph.json","events_json":"https://pith.science/api/pith-number/Q3OVITQBILK6CAQJSDK22ZPHVW/events.json","paper":"https://pith.science/paper/Q3OVITQB"},"agent_actions":{"view_html":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW","download_json":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW.json","view_paper":"https://pith.science/paper/Q3OVITQB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2304.09643&json=true","fetch_graph":"https://pith.science/api/pith-number/Q3OVITQBILK6CAQJSDK22ZPHVW/graph.json","fetch_events":"https://pith.science/api/pith-number/Q3OVITQBILK6CAQJSDK22ZPHVW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW/action/storage_attestation","attest_author":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW/action/author_attestation","sign_citation":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW/action/citation_signature","submit_replication":"https://pith.science/pith/Q3OVITQBILK6CAQJSDK22ZPHVW/action/replication_record"}},"created_at":"2026-07-05T06:02:40.779525+00:00","updated_at":"2026-07-05T06:02:40.779525+00:00"}