{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:RCVV7WIVFCXYSV2DY5RY76O6E6","short_pith_number":"pith:RCVV7WIV","canonical_record":{"source":{"id":"quant-ph/0102029","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2001-02-05T18:02:54Z","cross_cats_sorted":[],"title_canon_sha256":"208e68e03affa1b62f695c4b1cc0a7ca38baffdc35f0353b921411b67957df47","abstract_canon_sha256":"be323a9b4f2310d0b3e586194ec6b46d14ddfd9fcbfcdf7fb32766fc2fd76f81"},"schema_version":"1.0"},"canonical_sha256":"88ab5fd91528af895743c7638ff9de279afbd230e461936a151c9cf62a7ab20b","source":{"kind":"arxiv","id":"quant-ph/0102029","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0102029","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0102029v3","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0102029","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"pith_short_12","alias_value":"RCVV7WIVFCXY","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"RCVV7WIVFCXYSV2D","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"RCVV7WIV","created_at":"2026-07-04T16:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:RCVV7WIVFCXYSV2DY5RY76O6E6","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0102029","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2001-02-05T18:02:54Z","cross_cats_sorted":[],"title_canon_sha256":"208e68e03affa1b62f695c4b1cc0a7ca38baffdc35f0353b921411b67957df47","abstract_canon_sha256":"be323a9b4f2310d0b3e586194ec6b46d14ddfd9fcbfcdf7fb32766fc2fd76f81"},"schema_version":"1.0"},"canonical_sha256":"88ab5fd91528af895743c7638ff9de279afbd230e461936a151c9cf62a7ab20b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:28:54.299142Z","signature_b64":"bO6h/QoPj6ppduNO4SgqO/fOfnhO209CaSWpjNGM7GRFOv1OD/WWFKfJZxoWZLcdLedGJew7UudySr6xXprzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88ab5fd91528af895743c7638ff9de279afbd230e461936a151c9cf62a7ab20b","last_reissued_at":"2026-07-04T16:28:54.298675Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:28:54.298675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0102029","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:28:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fSfhxmDVtFYfK3b2/5mjTkIcowhiU8Nf72JS9LPb0K071igVHSvEaQayQuE6cRcxrzI8Fm0+WDaxwg6a4TIEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T17:42:39.224895Z"},"content_sha256":"1e50d4b23686cce2b85fb86b84083a5c70c239dd9b075396c4af60959b08dda8","schema_version":"1.0","event_id":"sha256:1e50d4b23686cce2b85fb86b84083a5c70c239dd9b075396c4af60959b08dda8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:RCVV7WIVFCXYSV2DY5RY76O6E6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entangling capacity of global phases and implications for Deutsch-Jozsa algorithm","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"H. Azuma, S. Bose, V. Vedral","submitted_at":"2001-02-05T18:02:54Z","abstract_excerpt":"We investigate the creation of entanglement by the application of phases whose value depends on the state of a collection of qubits. First we give the necessary and sufficient conditions for a given set of phases to result in the creation of entanglement in a state comprising of an arbitrary number of qubits. Then we analyze the creation of entanglement between any two qubits in three qubit pure and mixed states. We use our result to prove that entanglement is necessary for Deutsch-Jozsa algorithm to have an exponential advantage over its classical counterpart."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0102029","kind":"arxiv","version":3},"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/0102029/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":"2026-07-04T16:28:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wG2QbT8ySJmwT488PUmLTgdV+xYyNlnNsBPVHwhhv0fp57ON79symcENkLNmx5erdtQivl9VLzz6Uf7px2+MAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T17:42:39.225201Z"},"content_sha256":"1dc096e1c0f6c6ad4ce4ee65f345a5c4aff33098e9b9c283ec6c3c02be466299","schema_version":"1.0","event_id":"sha256:1dc096e1c0f6c6ad4ce4ee65f345a5c4aff33098e9b9c283ec6c3c02be466299"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RCVV7WIVFCXYSV2DY5RY76O6E6/bundle.json","state_url":"https://pith.science/pith/RCVV7WIVFCXYSV2DY5RY76O6E6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RCVV7WIVFCXYSV2DY5RY76O6E6/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":"2026-07-31T17:42:39Z","links":{"resolver":"https://pith.science/pith/RCVV7WIVFCXYSV2DY5RY76O6E6","bundle":"https://pith.science/pith/RCVV7WIVFCXYSV2DY5RY76O6E6/bundle.json","state":"https://pith.science/pith/RCVV7WIVFCXYSV2DY5RY76O6E6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RCVV7WIVFCXYSV2DY5RY76O6E6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:RCVV7WIVFCXYSV2DY5RY76O6E6","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":"be323a9b4f2310d0b3e586194ec6b46d14ddfd9fcbfcdf7fb32766fc2fd76f81","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2001-02-05T18:02:54Z","title_canon_sha256":"208e68e03affa1b62f695c4b1cc0a7ca38baffdc35f0353b921411b67957df47"},"schema_version":"1.0","source":{"id":"quant-ph/0102029","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0102029","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0102029v3","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0102029","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"pith_short_12","alias_value":"RCVV7WIVFCXY","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"RCVV7WIVFCXYSV2D","created_at":"2026-07-04T16:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"RCVV7WIV","created_at":"2026-07-04T16:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:1dc096e1c0f6c6ad4ce4ee65f345a5c4aff33098e9b9c283ec6c3c02be466299","target":"graph","created_at":"2026-07-04T16:28:54Z","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/quant-ph/0102029/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the creation of entanglement by the application of phases whose value depends on the state of a collection of qubits. First we give the necessary and sufficient conditions for a given set of phases to result in the creation of entanglement in a state comprising of an arbitrary number of qubits. Then we analyze the creation of entanglement between any two qubits in three qubit pure and mixed states. We use our result to prove that entanglement is necessary for Deutsch-Jozsa algorithm to have an exponential advantage over its classical counterpart.","authors_text":"H. Azuma, S. Bose, V. Vedral","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2001-02-05T18:02:54Z","title":"Entangling capacity of global phases and implications for Deutsch-Jozsa algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0102029","kind":"arxiv","version":3},"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":"sha256:1e50d4b23686cce2b85fb86b84083a5c70c239dd9b075396c4af60959b08dda8","target":"record","created_at":"2026-07-04T16:28:54Z","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":"be323a9b4f2310d0b3e586194ec6b46d14ddfd9fcbfcdf7fb32766fc2fd76f81","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2001-02-05T18:02:54Z","title_canon_sha256":"208e68e03affa1b62f695c4b1cc0a7ca38baffdc35f0353b921411b67957df47"},"schema_version":"1.0","source":{"id":"quant-ph/0102029","kind":"arxiv","version":3}},"canonical_sha256":"88ab5fd91528af895743c7638ff9de279afbd230e461936a151c9cf62a7ab20b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88ab5fd91528af895743c7638ff9de279afbd230e461936a151c9cf62a7ab20b","first_computed_at":"2026-07-04T16:28:54.298675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:28:54.298675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bO6h/QoPj6ppduNO4SgqO/fOfnhO209CaSWpjNGM7GRFOv1OD/WWFKfJZxoWZLcdLedGJew7UudySr6xXprzBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:28:54.299142Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0102029","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e50d4b23686cce2b85fb86b84083a5c70c239dd9b075396c4af60959b08dda8","sha256:1dc096e1c0f6c6ad4ce4ee65f345a5c4aff33098e9b9c283ec6c3c02be466299"],"state_sha256":"5d250543412ee7dfa61038b31cda848458840dd1bfbe66bd0a376f41d0d776a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6vU8YWRcnyM+w0HPYV9I8nkYO0qavg/lMIPGYmNLm+6D1fk9ahKom1EhWK099Y2N942OU8CO97VR0tmQr3+TBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T17:42:39.227388Z","bundle_sha256":"e2528e48cd999f0a01995b9a893503223c860ee08fa7978ec993c91e70002fd2"}}