{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:V2LZ2RRA2NSLBXCUN6XFWVIWT4","short_pith_number":"pith:V2LZ2RRA","canonical_record":{"source":{"id":"1106.2906","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-15T08:43:19Z","cross_cats_sorted":[],"title_canon_sha256":"93542c959a880d8c0e96188a1b646e0b6343da4569d96d7052f7286fcc0be6ae","abstract_canon_sha256":"256db5cbb8bf3e4071b84a3b7d5f6092cd6df27c63fbe0df4083fa6127c77d88"},"schema_version":"1.0"},"canonical_sha256":"ae979d4620d364b0dc546fae5b55169f15f1fad8db9435e437deaafa2c922987","source":{"kind":"arxiv","id":"1106.2906","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2906","created_at":"2026-05-18T00:39:41Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2906v1","created_at":"2026-05-18T00:39:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2906","created_at":"2026-05-18T00:39:41Z"},{"alias_kind":"pith_short_12","alias_value":"V2LZ2RRA2NSL","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"V2LZ2RRA2NSLBXCU","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"V2LZ2RRA","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:V2LZ2RRA2NSLBXCUN6XFWVIWT4","target":"record","payload":{"canonical_record":{"source":{"id":"1106.2906","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-15T08:43:19Z","cross_cats_sorted":[],"title_canon_sha256":"93542c959a880d8c0e96188a1b646e0b6343da4569d96d7052f7286fcc0be6ae","abstract_canon_sha256":"256db5cbb8bf3e4071b84a3b7d5f6092cd6df27c63fbe0df4083fa6127c77d88"},"schema_version":"1.0"},"canonical_sha256":"ae979d4620d364b0dc546fae5b55169f15f1fad8db9435e437deaafa2c922987","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:41.341756Z","signature_b64":"zI8nCRpV3lbO19uyV9UcHLBCjrqAxsho/JzGq1g7RXAk3CHFmSja7LqoJWSjRD5TIiIdEFZQuln/pR5JVjPWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae979d4620d364b0dc546fae5b55169f15f1fad8db9435e437deaafa2c922987","last_reissued_at":"2026-05-18T00:39:41.341134Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:41.341134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.2906","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:39:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jpwMxdAq8+kiK5SxK/ADrxcxwazPoCW0wZ8jmxoSMgHlkK9q0FlxTH3j24eScsZwFhz2jnAuh+9KN0rSW8IqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:34:22.070045Z"},"content_sha256":"07edd1f6d3819ee83c852d606e504a9b3726f2f776971739534591c86249f2ff","schema_version":"1.0","event_id":"sha256:07edd1f6d3819ee83c852d606e504a9b3726f2f776971739534591c86249f2ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:V2LZ2RRA2NSLBXCUN6XFWVIWT4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accuracy features for quantum process tomography using superconductor phase qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"S.A. Nuyanzin, Yu. I. Bogdanov","submitted_at":"2011-06-15T08:43:19Z","abstract_excerpt":"We propose a method for precision statistical control of quantum processes based on superconductor phase qubits. Using the universal quantum tomography method, we provide a detailed analysis of accuracy of tomography for a 2-qubit gate SQiSW, which arises due to capacitive coupling between qubits. The developed approach could be successfully applied for quality and efficiency problems of superconductor quantum information technologies."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2906","kind":"arxiv","version":1},"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":"2026-05-18T00:39:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e61lV2G2cmI4GLk3Coq2YAsNKEQ/zgSK55VtSw5hUrJRY70SCnRIDModTelkfQxnRbP4tI0QdrhfNxbRgLAtDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:34:22.070422Z"},"content_sha256":"32799e980a06503cc284752fbd0c7fe725efc32f324623b947c988bde06e1e3e","schema_version":"1.0","event_id":"sha256:32799e980a06503cc284752fbd0c7fe725efc32f324623b947c988bde06e1e3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4/bundle.json","state_url":"https://pith.science/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4/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":"2026-05-26T21:34:22Z","links":{"resolver":"https://pith.science/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4","bundle":"https://pith.science/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4/bundle.json","state":"https://pith.science/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V2LZ2RRA2NSLBXCUN6XFWVIWT4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:V2LZ2RRA2NSLBXCUN6XFWVIWT4","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":"256db5cbb8bf3e4071b84a3b7d5f6092cd6df27c63fbe0df4083fa6127c77d88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-15T08:43:19Z","title_canon_sha256":"93542c959a880d8c0e96188a1b646e0b6343da4569d96d7052f7286fcc0be6ae"},"schema_version":"1.0","source":{"id":"1106.2906","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2906","created_at":"2026-05-18T00:39:41Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2906v1","created_at":"2026-05-18T00:39:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2906","created_at":"2026-05-18T00:39:41Z"},{"alias_kind":"pith_short_12","alias_value":"V2LZ2RRA2NSL","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"V2LZ2RRA2NSLBXCU","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"V2LZ2RRA","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:32799e980a06503cc284752fbd0c7fe725efc32f324623b947c988bde06e1e3e","target":"graph","created_at":"2026-05-18T00:39:41Z","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":"We propose a method for precision statistical control of quantum processes based on superconductor phase qubits. Using the universal quantum tomography method, we provide a detailed analysis of accuracy of tomography for a 2-qubit gate SQiSW, which arises due to capacitive coupling between qubits. The developed approach could be successfully applied for quality and efficiency problems of superconductor quantum information technologies.","authors_text":"S.A. Nuyanzin, Yu. I. Bogdanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-15T08:43:19Z","title":"Accuracy features for quantum process tomography using superconductor phase qubits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2906","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":"sha256:07edd1f6d3819ee83c852d606e504a9b3726f2f776971739534591c86249f2ff","target":"record","created_at":"2026-05-18T00:39:41Z","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":"256db5cbb8bf3e4071b84a3b7d5f6092cd6df27c63fbe0df4083fa6127c77d88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-15T08:43:19Z","title_canon_sha256":"93542c959a880d8c0e96188a1b646e0b6343da4569d96d7052f7286fcc0be6ae"},"schema_version":"1.0","source":{"id":"1106.2906","kind":"arxiv","version":1}},"canonical_sha256":"ae979d4620d364b0dc546fae5b55169f15f1fad8db9435e437deaafa2c922987","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae979d4620d364b0dc546fae5b55169f15f1fad8db9435e437deaafa2c922987","first_computed_at":"2026-05-18T00:39:41.341134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:41.341134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zI8nCRpV3lbO19uyV9UcHLBCjrqAxsho/JzGq1g7RXAk3CHFmSja7LqoJWSjRD5TIiIdEFZQuln/pR5JVjPWCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:41.341756Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.2906","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07edd1f6d3819ee83c852d606e504a9b3726f2f776971739534591c86249f2ff","sha256:32799e980a06503cc284752fbd0c7fe725efc32f324623b947c988bde06e1e3e"],"state_sha256":"a54547f7088de54fda5fc36e5e17ce7a14ae8945d3d9b44af7ad2e34e4fc812f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rnK14uIH4kDuBNMHRpVbfZDS2IduFtZNHvjsLOgheiFn63qlSydpZvtSsVgvxJD+ph8lvKDGun5Duq6PjT8zCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:34:22.072708Z","bundle_sha256":"f9c2df940034041948b5314aa7a61755b013a3dc0ad51d0269be5dbe5708bd7d"}}