{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:P6I3CJNROEODA7QH42J5XESIYK","short_pith_number":"pith:P6I3CJNR","canonical_record":{"source":{"id":"1711.03865","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-11-09T09:30:22Z","cross_cats_sorted":[],"title_canon_sha256":"fadc9b0419c26e9644dadf7f48fa8963ae68a744ce4587b596dc1e674cbabad7","abstract_canon_sha256":"4f92c406f84c7e8271fcfd805029d99684f70d95d2252418eb2a77a502d92c47"},"schema_version":"1.0"},"canonical_sha256":"7f91b125b1711c307e07e693db9248c2b7115e5709742118018e4d0e902b6add","source":{"kind":"arxiv","id":"1711.03865","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03865","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03865v2","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03865","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"P6I3CJNROEOD","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"P6I3CJNROEODA7QH","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"P6I3CJNR","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:P6I3CJNROEODA7QH42J5XESIYK","target":"record","payload":{"canonical_record":{"source":{"id":"1711.03865","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-11-09T09:30:22Z","cross_cats_sorted":[],"title_canon_sha256":"fadc9b0419c26e9644dadf7f48fa8963ae68a744ce4587b596dc1e674cbabad7","abstract_canon_sha256":"4f92c406f84c7e8271fcfd805029d99684f70d95d2252418eb2a77a502d92c47"},"schema_version":"1.0"},"canonical_sha256":"7f91b125b1711c307e07e693db9248c2b7115e5709742118018e4d0e902b6add","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:51.695042Z","signature_b64":"KuE5ZJvI3McdmSF9khvNcyYNCk6OTncQ/yBVt23r79dzz0/Nj3QwYg7UVfpvOgP2pDAYN3LSAQs+uJZvL5WeBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f91b125b1711c307e07e693db9248c2b7115e5709742118018e4d0e902b6add","last_reissued_at":"2026-05-18T00:28:51.694368Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:51.694368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.03865","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"boh+fy2dHrNNMiX9DyBs1hZR2ND/sb7tNpU6VGrVEUhzu+BJMpAmOzbi0FY1S6KT40oQV8ts0HPRhDoLMubgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:37:24.432515Z"},"content_sha256":"f95ed42c01134de229019c8777ca043dc567b6701a60c97364535b4f03849e3f","schema_version":"1.0","event_id":"sha256:f95ed42c01134de229019c8777ca043dc567b6701a60c97364535b4f03849e3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:P6I3CJNROEODA7QH42J5XESIYK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Capability of local operations and classical communication for distinguishing bipartite unitary operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daowen Qiu, Haozhen Situ, Lvzhou Li, Shenggen Zheng","submitted_at":"2017-11-09T09:30:22Z","abstract_excerpt":"The problem behind this paper is, if the number of queries to unitary operations is fixed, say $k$, then when do local operations and classical communication (LOCC) suffice for optimally distinguishing bipartite unitary operations? We consider the above problem for two-qubit unitary operations in the case of $k=1$, showing that for two two-qubit entangling unitary operations without local parties, LOCC achieves the same distinguishability as the global operations. Specifically, we obtain: (i) if such two unitary operations are perfectly distinguishable by global operations, then they are perfe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03865","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lX0DvY3AU0npm6OgZcj/9MjUPyIiqdN+PmBww91sPni0CJL8HNeIDCsChI+MsN9EXnh0dI8iphz/J1H2n4TgBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:37:24.432852Z"},"content_sha256":"27703da3ec36c7d7666cd41dc2d331d3a5511294b17555c3f5ac473c495d35b3","schema_version":"1.0","event_id":"sha256:27703da3ec36c7d7666cd41dc2d331d3a5511294b17555c3f5ac473c495d35b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P6I3CJNROEODA7QH42J5XESIYK/bundle.json","state_url":"https://pith.science/pith/P6I3CJNROEODA7QH42J5XESIYK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P6I3CJNROEODA7QH42J5XESIYK/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":"2026-05-28T03:37:24Z","links":{"resolver":"https://pith.science/pith/P6I3CJNROEODA7QH42J5XESIYK","bundle":"https://pith.science/pith/P6I3CJNROEODA7QH42J5XESIYK/bundle.json","state":"https://pith.science/pith/P6I3CJNROEODA7QH42J5XESIYK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P6I3CJNROEODA7QH42J5XESIYK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:P6I3CJNROEODA7QH42J5XESIYK","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":"4f92c406f84c7e8271fcfd805029d99684f70d95d2252418eb2a77a502d92c47","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-11-09T09:30:22Z","title_canon_sha256":"fadc9b0419c26e9644dadf7f48fa8963ae68a744ce4587b596dc1e674cbabad7"},"schema_version":"1.0","source":{"id":"1711.03865","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03865","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03865v2","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03865","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"P6I3CJNROEOD","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"P6I3CJNROEODA7QH","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"P6I3CJNR","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:27703da3ec36c7d7666cd41dc2d331d3a5511294b17555c3f5ac473c495d35b3","target":"graph","created_at":"2026-05-18T00:28:51Z","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":"The problem behind this paper is, if the number of queries to unitary operations is fixed, say $k$, then when do local operations and classical communication (LOCC) suffice for optimally distinguishing bipartite unitary operations? We consider the above problem for two-qubit unitary operations in the case of $k=1$, showing that for two two-qubit entangling unitary operations without local parties, LOCC achieves the same distinguishability as the global operations. Specifically, we obtain: (i) if such two unitary operations are perfectly distinguishable by global operations, then they are perfe","authors_text":"Daowen Qiu, Haozhen Situ, Lvzhou Li, Shenggen Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-11-09T09:30:22Z","title":"Capability of local operations and classical communication for distinguishing bipartite unitary operations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03865","kind":"arxiv","version":2},"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:f95ed42c01134de229019c8777ca043dc567b6701a60c97364535b4f03849e3f","target":"record","created_at":"2026-05-18T00:28:51Z","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":"4f92c406f84c7e8271fcfd805029d99684f70d95d2252418eb2a77a502d92c47","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-11-09T09:30:22Z","title_canon_sha256":"fadc9b0419c26e9644dadf7f48fa8963ae68a744ce4587b596dc1e674cbabad7"},"schema_version":"1.0","source":{"id":"1711.03865","kind":"arxiv","version":2}},"canonical_sha256":"7f91b125b1711c307e07e693db9248c2b7115e5709742118018e4d0e902b6add","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f91b125b1711c307e07e693db9248c2b7115e5709742118018e4d0e902b6add","first_computed_at":"2026-05-18T00:28:51.694368Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:51.694368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KuE5ZJvI3McdmSF9khvNcyYNCk6OTncQ/yBVt23r79dzz0/Nj3QwYg7UVfpvOgP2pDAYN3LSAQs+uJZvL5WeBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:51.695042Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.03865","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f95ed42c01134de229019c8777ca043dc567b6701a60c97364535b4f03849e3f","sha256:27703da3ec36c7d7666cd41dc2d331d3a5511294b17555c3f5ac473c495d35b3"],"state_sha256":"9a195b19009dcb324d224bbe606d1dfabe4252799522e954415eb90909aaed82"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s5AQZd9/PT2/V0xkprZbutdEPY8BwP10jHNGCwYAO+RHhz8VVJBauKwDUjF3yHLmvu+IL1VhbYHaAAMj8wRlCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:37:24.434710Z","bundle_sha256":"76901c56637c6c4ba75388e0d31ed790793fd149a4527ade0d0f0cb6767f277a"}}