{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DFHYNBY6WW4IZQRAOGCABHCGKN","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":"73186f49cc3601610386059cc298bed1f0f270523276114b3dbbec627d10536a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-27T10:36:41Z","title_canon_sha256":"e4bb8a5d7dfd467d20e3558d812d5e615411534dd8d8a2804ad8333d2b2fbaac"},"schema_version":"1.0","source":{"id":"1501.06730","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06730","created_at":"2026-05-18T01:17:44Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06730v1","created_at":"2026-05-18T01:17:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06730","created_at":"2026-05-18T01:17:44Z"},{"alias_kind":"pith_short_12","alias_value":"DFHYNBY6WW4I","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DFHYNBY6WW4IZQRA","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DFHYNBY6","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:24f4f5e2ff322ce21a3a3d053524e8bda8eca75312c9a4994a2fb62b9614063c","target":"graph","created_at":"2026-05-18T01:17:44Z","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"},"paper":{"abstract_excerpt":"A long-standing question is whether it is possible to delegate computational tasks securely. Recently, both a classical and a quantum solution to this problem were found. Here, we study the interplay of classical and quantum approaches and show how coherence can be used as a tool for secure delegated classical computation. We show that a client with limited computational capacity - restricted to an XOR gate - can perform universal classical computation by manipulating information carriers that may occupy superpositions of two states. Using single photonic qubits or coherent light, we experimen","authors_text":"Elham Kashefi, Florian Schlederer, Ian A. Walmsley, Merritt Moore, Stefanie Barz, Vedran Dunjko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-27T10:36:41Z","title":"Enhanced delegated computing using coherence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06730","kind":"arxiv","version":1},"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":"sha256:4c93631e8b82e112499bffc8197642dc7b7ee91e58d5fdae13d20f1ab05ee072","target":"record","created_at":"2026-05-18T01:17:44Z","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":"73186f49cc3601610386059cc298bed1f0f270523276114b3dbbec627d10536a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-27T10:36:41Z","title_canon_sha256":"e4bb8a5d7dfd467d20e3558d812d5e615411534dd8d8a2804ad8333d2b2fbaac"},"schema_version":"1.0","source":{"id":"1501.06730","kind":"arxiv","version":1}},"canonical_sha256":"194f86871eb5b88cc2207184009c46534f9a7c0b335a9e1e65f4293d35187d9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"194f86871eb5b88cc2207184009c46534f9a7c0b335a9e1e65f4293d35187d9e","first_computed_at":"2026-05-18T01:17:44.148482Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:44.148482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hN9rC3hD6GfYFy20yuyZ/eS38F8yFpog0GKqAs95A+hBbc/DgtMHSvt7Ru9pAY1FwzNOsiVMizUqNzAanwRpAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:44.149123Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.06730","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c93631e8b82e112499bffc8197642dc7b7ee91e58d5fdae13d20f1ab05ee072","sha256:24f4f5e2ff322ce21a3a3d053524e8bda8eca75312c9a4994a2fb62b9614063c"],"state_sha256":"493475c69d0d8ddd3b7ac28eba86f7cd14a4f39e9b9cc3e2901af38b862c1bd5"}