{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:33R5SC2WVJKXAQIVX44J74GIFF","short_pith_number":"pith:33R5SC2W","schema_version":"1.0","canonical_sha256":"dee3d90b56aa55704115bf389ff0c8296855bd5bad4c2d99ef13cd4239bd2b98","source":{"kind":"arxiv","id":"quant-ph/0604207","version":1},"attestation_state":"computed","paper":{"title":"Quantum mutual information and the one-time pad","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Benjamin Schumacher, Michael D. Westmoreland","submitted_at":"2006-04-27T18:59:38Z","abstract_excerpt":"Alice and Bob share a correlated composite quantum system AB. If AB is used as the key for a one-time pad cryptographic system, we show that the maximum amount of information that Alice can send securely to Bob is the quantum mutual information of AB."},"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/0604207","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-04-27T18:59:38Z","cross_cats_sorted":[],"title_canon_sha256":"fd84172750afaf9d24de10941c814455e6e0ee19c61cb667ab72d5975c87ef4b","abstract_canon_sha256":"a28cf612de6e65950058da1a9a920b64e05309c93eaf3dfa79e524eadf60b336"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:03:00.061606Z","signature_b64":"iqBlKIQmmVg+d+3D1sTy9LyH9QNRwaVXw+tlTCPjLOkI7LtE8YFcQz20dV78e8zMJo/JqOtZQSortEKbr1lHCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dee3d90b56aa55704115bf389ff0c8296855bd5bad4c2d99ef13cd4239bd2b98","last_reissued_at":"2026-07-04T17:03:00.061238Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:03:00.061238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum mutual information and the one-time pad","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Benjamin Schumacher, Michael D. Westmoreland","submitted_at":"2006-04-27T18:59:38Z","abstract_excerpt":"Alice and Bob share a correlated composite quantum system AB. If AB is used as the key for a one-time pad cryptographic system, we show that the maximum amount of information that Alice can send securely to Bob is the quantum mutual information of AB."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0604207","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/quant-ph/0604207/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":"quant-ph/0604207","created_at":"2026-07-04T17:03:00.061299+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0604207v1","created_at":"2026-07-04T17:03:00.061299+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0604207","created_at":"2026-07-04T17:03:00.061299+00:00"},{"alias_kind":"pith_short_12","alias_value":"33R5SC2WVJKX","created_at":"2026-07-04T17:03:00.061299+00:00"},{"alias_kind":"pith_short_16","alias_value":"33R5SC2WVJKXAQIV","created_at":"2026-07-04T17:03:00.061299+00:00"},{"alias_kind":"pith_short_8","alias_value":"33R5SC2W","created_at":"2026-07-04T17:03:00.061299+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/33R5SC2WVJKXAQIVX44J74GIFF","json":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF.json","graph_json":"https://pith.science/api/pith-number/33R5SC2WVJKXAQIVX44J74GIFF/graph.json","events_json":"https://pith.science/api/pith-number/33R5SC2WVJKXAQIVX44J74GIFF/events.json","paper":"https://pith.science/paper/33R5SC2W"},"agent_actions":{"view_html":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF","download_json":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF.json","view_paper":"https://pith.science/paper/33R5SC2W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/0604207&json=true","fetch_graph":"https://pith.science/api/pith-number/33R5SC2WVJKXAQIVX44J74GIFF/graph.json","fetch_events":"https://pith.science/api/pith-number/33R5SC2WVJKXAQIVX44J74GIFF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF/action/storage_attestation","attest_author":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF/action/author_attestation","sign_citation":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF/action/citation_signature","submit_replication":"https://pith.science/pith/33R5SC2WVJKXAQIVX44J74GIFF/action/replication_record"}},"created_at":"2026-07-04T17:03:00.061299+00:00","updated_at":"2026-07-04T17:03:00.061299+00:00"}