{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LNKBF5X6FBCILUFJWXFS3QSGP5","short_pith_number":"pith:LNKBF5X6","canonical_record":{"source":{"id":"1510.03045","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-11T12:27:51Z","cross_cats_sorted":["cs.CC","cs.IT","math.IT"],"title_canon_sha256":"323b6e2c1ad4187a46806660f3dbfdbb954d243af110f34a250b66d7689d0b73","abstract_canon_sha256":"b9f73d33feda59a1821158d4b3598c0937e74fcd4490bee0676f25eaf0f39421"},"schema_version":"1.0"},"canonical_sha256":"5b5412f6fe284485d0a9b5cb2dc2467f41d5661d497bd88a69e03e212af02348","source":{"kind":"arxiv","id":"1510.03045","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03045","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03045v4","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03045","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"pith_short_12","alias_value":"LNKBF5X6FBCI","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"pith_short_16","alias_value":"LNKBF5X6FBCILUFJ","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"pith_short_8","alias_value":"LNKBF5X6","created_at":"2026-07-05T09:52:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LNKBF5X6FBCILUFJWXFS3QSGP5","target":"record","payload":{"canonical_record":{"source":{"id":"1510.03045","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-11T12:27:51Z","cross_cats_sorted":["cs.CC","cs.IT","math.IT"],"title_canon_sha256":"323b6e2c1ad4187a46806660f3dbfdbb954d243af110f34a250b66d7689d0b73","abstract_canon_sha256":"b9f73d33feda59a1821158d4b3598c0937e74fcd4490bee0676f25eaf0f39421"},"schema_version":"1.0"},"canonical_sha256":"5b5412f6fe284485d0a9b5cb2dc2467f41d5661d497bd88a69e03e212af02348","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:52:05.904063Z","signature_b64":"8FA26ATIIEaRfa/i5EAWbA9CdJh5sPciHacN4Zco/2umdUezAwIbBkHUXCiCZSY3OdN15tNGJD0B1WHUOx+dBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b5412f6fe284485d0a9b5cb2dc2467f41d5661d497bd88a69e03e212af02348","last_reissued_at":"2026-07-05T09:52:05.903626Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:52:05.903626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.03045","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:52:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"23rEHjVnELnI8TVinTsbjxwqxWgqTuQzc33IpmcPblvzSrHSBVlBh4PeVWsSxW2eAhu1dOiR/sKTN5dheMcoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:13:05.128510Z"},"content_sha256":"49e0e7a2629c0df45d5ba9d44b2b8bff059c9e42f2a9599f0a65db7f17ad660c","schema_version":"1.0","event_id":"sha256:49e0e7a2629c0df45d5ba9d44b2b8bff059c9e42f2a9599f0a65db7f17ad660c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LNKBF5X6FBCILUFJWXFS3QSGP5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Advantages in (n,d)->1 Random Access Codes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC","cs.IT","math.IT"],"primary_cat":"quant-ph","authors_text":"Andris Ambainis, Ashutosh Rai, Dmitry Kravchenko, Joonwoo Bae, Sk Sazim","submitted_at":"2015-10-11T12:27:51Z","abstract_excerpt":"A random access code (RAC), corresponding to a communication primitive with various applications in quantum information theory, is an instance of a preparation-and-measurement scenario. In this work, we consider (n,d)-RACs constituting an \"n\"-length string, constructed from a \"d\" size set of letters, and send an encoding of the string in a single d-level physical system and present their quantum advantages. We first characterize optimal classical RACs, proving that the well-known classical strategy known as majority-encoding-identity-decoding is indeed optimal. We then construct a quantum prot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03045","kind":"arxiv","version":4},"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/1510.03045/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:52:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mIoW3ha7MSYmyCA34l7dvFIKiewQ+60q+z4C277qZThm6MRA9IbOOUJdS1ackO374gQSo1rLrk+dw51Wd6uyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:13:05.128891Z"},"content_sha256":"0fbe9e1cbdfcf87415484a3b52ab31d12114f49de4ef09bcfa8d12aa78f8d19e","schema_version":"1.0","event_id":"sha256:0fbe9e1cbdfcf87415484a3b52ab31d12114f49de4ef09bcfa8d12aa78f8d19e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNKBF5X6FBCILUFJWXFS3QSGP5/bundle.json","state_url":"https://pith.science/pith/LNKBF5X6FBCILUFJWXFS3QSGP5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNKBF5X6FBCILUFJWXFS3QSGP5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-07T12:13:05Z","links":{"resolver":"https://pith.science/pith/LNKBF5X6FBCILUFJWXFS3QSGP5","bundle":"https://pith.science/pith/LNKBF5X6FBCILUFJWXFS3QSGP5/bundle.json","state":"https://pith.science/pith/LNKBF5X6FBCILUFJWXFS3QSGP5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNKBF5X6FBCILUFJWXFS3QSGP5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LNKBF5X6FBCILUFJWXFS3QSGP5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b9f73d33feda59a1821158d4b3598c0937e74fcd4490bee0676f25eaf0f39421","cross_cats_sorted":["cs.CC","cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-11T12:27:51Z","title_canon_sha256":"323b6e2c1ad4187a46806660f3dbfdbb954d243af110f34a250b66d7689d0b73"},"schema_version":"1.0","source":{"id":"1510.03045","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03045","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03045v4","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03045","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"pith_short_12","alias_value":"LNKBF5X6FBCI","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"pith_short_16","alias_value":"LNKBF5X6FBCILUFJ","created_at":"2026-07-05T09:52:05Z"},{"alias_kind":"pith_short_8","alias_value":"LNKBF5X6","created_at":"2026-07-05T09:52:05Z"}],"graph_snapshots":[{"event_id":"sha256:0fbe9e1cbdfcf87415484a3b52ab31d12114f49de4ef09bcfa8d12aa78f8d19e","target":"graph","created_at":"2026-07-05T09:52:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1510.03045/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A random access code (RAC), corresponding to a communication primitive with various applications in quantum information theory, is an instance of a preparation-and-measurement scenario. In this work, we consider (n,d)-RACs constituting an \"n\"-length string, constructed from a \"d\" size set of letters, and send an encoding of the string in a single d-level physical system and present their quantum advantages. We first characterize optimal classical RACs, proving that the well-known classical strategy known as majority-encoding-identity-decoding is indeed optimal. We then construct a quantum prot","authors_text":"Andris Ambainis, Ashutosh Rai, Dmitry Kravchenko, Joonwoo Bae, Sk Sazim","cross_cats":["cs.CC","cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-11T12:27:51Z","title":"Quantum Advantages in (n,d)->1 Random Access Codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03045","kind":"arxiv","version":4},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:49e0e7a2629c0df45d5ba9d44b2b8bff059c9e42f2a9599f0a65db7f17ad660c","target":"record","created_at":"2026-07-05T09:52:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b9f73d33feda59a1821158d4b3598c0937e74fcd4490bee0676f25eaf0f39421","cross_cats_sorted":["cs.CC","cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-10-11T12:27:51Z","title_canon_sha256":"323b6e2c1ad4187a46806660f3dbfdbb954d243af110f34a250b66d7689d0b73"},"schema_version":"1.0","source":{"id":"1510.03045","kind":"arxiv","version":4}},"canonical_sha256":"5b5412f6fe284485d0a9b5cb2dc2467f41d5661d497bd88a69e03e212af02348","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b5412f6fe284485d0a9b5cb2dc2467f41d5661d497bd88a69e03e212af02348","first_computed_at":"2026-07-05T09:52:05.903626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:52:05.903626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8FA26ATIIEaRfa/i5EAWbA9CdJh5sPciHacN4Zco/2umdUezAwIbBkHUXCiCZSY3OdN15tNGJD0B1WHUOx+dBA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:52:05.904063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.03045","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49e0e7a2629c0df45d5ba9d44b2b8bff059c9e42f2a9599f0a65db7f17ad660c","sha256:0fbe9e1cbdfcf87415484a3b52ab31d12114f49de4ef09bcfa8d12aa78f8d19e"],"state_sha256":"06c8794bdced1d45290e9b35640f542c99abd3b9674725ccb9c5ab07e5258bd9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bwu2TG+aBqaK9Q8F6Tcxb2VB74TWU30yCeaCvktBuhNpuyerrRq+pIE+APj5+BjChArU95d+Dik0QTJ5hVgcCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T12:13:05.131697Z","bundle_sha256":"af75dd6d99ae52245aa567053d0162e908056acb2534ef6858381adfa2893e16"}}