{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:S4X25LBAWAXP4RSHL3IEZLTX6O","short_pith_number":"pith:S4X25LBA","schema_version":"1.0","canonical_sha256":"972faeac20b02efe46475ed04cae77f3bf6199892e2f875ee9b12a6d9d87787e","source":{"kind":"arxiv","id":"1510.05209","version":2},"attestation_state":"computed","paper":{"title":"Towards Quantum Enigma Cipher","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Osamu Hirota","submitted_at":"2015-10-18T08:19:38Z","abstract_excerpt":"This research note suggests a new way to realize a high speed direct encryption based on quantum detection theory. The conventional cipher is designed by a mathematical algorithm and its security is evaluated by the complexity of the algorithm for cryptanalysis and ability of computers. This kind of cipher cannot exceed the Shannon limit of cryptography,and it can be decrypted with probability one in principle by trying all the possible keys against the data length equal to the secret key length. A cipher with quantum effect in physical layer may exceed the Shannon limit of cryptography. The q"},"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":"1510.05209","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-18T08:19:38Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"9063993db996bfd2a160bc8618a33dc415ce8f463ab9262492f2b353b85648af","abstract_canon_sha256":"147525082d8d3f8063923c0171a0b03a9abe5ea2399445a8240d8d549d96c849"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:13.751750Z","signature_b64":"Ux113dsR0PO0UdGw1+YTXwoA12ZjcXW1vycunrrftnqMOO/VFQVsq5dz0QTdKsX6t0+lrbUi3aS/AWKTY6YxDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"972faeac20b02efe46475ed04cae77f3bf6199892e2f875ee9b12a6d9d87787e","last_reissued_at":"2026-05-18T01:28:13.751151Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:13.751151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Towards Quantum Enigma Cipher","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Osamu Hirota","submitted_at":"2015-10-18T08:19:38Z","abstract_excerpt":"This research note suggests a new way to realize a high speed direct encryption based on quantum detection theory. The conventional cipher is designed by a mathematical algorithm and its security is evaluated by the complexity of the algorithm for cryptanalysis and ability of computers. This kind of cipher cannot exceed the Shannon limit of cryptography,and it can be decrypted with probability one in principle by trying all the possible keys against the data length equal to the secret key length. A cipher with quantum effect in physical layer may exceed the Shannon limit of cryptography. The q"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05209","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":"1510.05209","created_at":"2026-05-18T01:28:13.751228+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.05209v2","created_at":"2026-05-18T01:28:13.751228+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05209","created_at":"2026-05-18T01:28:13.751228+00:00"},{"alias_kind":"pith_short_12","alias_value":"S4X25LBAWAXP","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_16","alias_value":"S4X25LBAWAXP4RSH","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_8","alias_value":"S4X25LBA","created_at":"2026-05-18T12:29:39.896362+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/S4X25LBAWAXP4RSHL3IEZLTX6O","json":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O.json","graph_json":"https://pith.science/api/pith-number/S4X25LBAWAXP4RSHL3IEZLTX6O/graph.json","events_json":"https://pith.science/api/pith-number/S4X25LBAWAXP4RSHL3IEZLTX6O/events.json","paper":"https://pith.science/paper/S4X25LBA"},"agent_actions":{"view_html":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O","download_json":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O.json","view_paper":"https://pith.science/paper/S4X25LBA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.05209&json=true","fetch_graph":"https://pith.science/api/pith-number/S4X25LBAWAXP4RSHL3IEZLTX6O/graph.json","fetch_events":"https://pith.science/api/pith-number/S4X25LBAWAXP4RSHL3IEZLTX6O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O/action/storage_attestation","attest_author":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O/action/author_attestation","sign_citation":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O/action/citation_signature","submit_replication":"https://pith.science/pith/S4X25LBAWAXP4RSHL3IEZLTX6O/action/replication_record"}},"created_at":"2026-05-18T01:28:13.751228+00:00","updated_at":"2026-05-18T01:28:13.751228+00:00"}