{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7OTTKIB3VI5BRXUE4L7GIUMIM4","short_pith_number":"pith:7OTTKIB3","canonical_record":{"source":{"id":"2111.05538","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-10T05:46:15Z","cross_cats_sorted":[],"title_canon_sha256":"12d64e08e83c2477e79b11bcd38fd279364ce6290eaea679494e43242662b3c8","abstract_canon_sha256":"5b9d989913ccf92003cd2f30cdadae32667c375856c82197ba115c1ff5163899"},"schema_version":"1.0"},"canonical_sha256":"fba735203baa3a18de84e2fe6451886727e4d040414138bd1419c4785a0b9e6e","source":{"kind":"arxiv","id":"2111.05538","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.05538","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"arxiv_version","alias_value":"2111.05538v2","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.05538","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"pith_short_12","alias_value":"7OTTKIB3VI5B","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"pith_short_16","alias_value":"7OTTKIB3VI5BRXUE","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"pith_short_8","alias_value":"7OTTKIB3","created_at":"2026-07-05T08:19:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7OTTKIB3VI5BRXUE4L7GIUMIM4","target":"record","payload":{"canonical_record":{"source":{"id":"2111.05538","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-10T05:46:15Z","cross_cats_sorted":[],"title_canon_sha256":"12d64e08e83c2477e79b11bcd38fd279364ce6290eaea679494e43242662b3c8","abstract_canon_sha256":"5b9d989913ccf92003cd2f30cdadae32667c375856c82197ba115c1ff5163899"},"schema_version":"1.0"},"canonical_sha256":"fba735203baa3a18de84e2fe6451886727e4d040414138bd1419c4785a0b9e6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:19:32.461837Z","signature_b64":"kMYBjHeJK+yW3B/qTS1kGbyqh3+NRSTyIAcSJGJZ4xXaiH675DDkNpF03ngvwENjzT6mblsgrr06W4JMYws4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fba735203baa3a18de84e2fe6451886727e4d040414138bd1419c4785a0b9e6e","last_reissued_at":"2026-07-05T08:19:32.461350Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:19:32.461350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.05538","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":"2026-07-05T08:19:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3r8ZlFuO7847OeqCNeDhdKbJqIBF9H8+xb0VvdEf1yiRM3isFw9h742sr+OU9tyCxuKz2wGDF2q2RGtrMvRhCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:46:29.977600Z"},"content_sha256":"0ccbeff8a37cbfe4f8eeb77412b88e8e40ff79ad03ded52631486af6c2ae4847","schema_version":"1.0","event_id":"sha256:0ccbeff8a37cbfe4f8eeb77412b88e8e40ff79ad03ded52631486af6c2ae4847"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7OTTKIB3VI5BRXUE4L7GIUMIM4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating Time Evolution with Fully Optimized Single-Qubit Gates on Parameterized Quantum Circuits","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Eriko Kaminishi, Hiroshi C. Watanabe, Kaito Wada, Michihiko Sugawara, Naoki Yamamoto, Rudy Raymond, Yu-ya Ohnishi","submitted_at":"2021-11-10T05:46:15Z","abstract_excerpt":"We propose a novel method to sequentially optimize arbitrary single-qubit gates in parameterized quantum circuits for simulating real and imaginary time evolution. The method utilizes full degrees of freedom of single-qubit gates and therefore can potentially obtain better performance. Specifically, it simultaneously optimizes both the axis and the angle of a single-qubit gate, while the known methods either optimize the angle with the axis fixed, or vice versa. It generalizes the known methods and utilizes sinusoidal cost functions parameterized by the axis and angle of rotation. Furthermore,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.05538","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.05538/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":"2026-07-05T08:19:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ps65tG0KCVp3IEbItYLbnTzbzr81j+lHiFPp287m0rwtvjaicn6CTn8h5KbaFxs8+NCQd8GbkfVJfwlUmrgpBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:46:29.978052Z"},"content_sha256":"581020e056f7bbfe53ff64d5a81a268bff485aea94eba7f2692c081c01f8f4f3","schema_version":"1.0","event_id":"sha256:581020e056f7bbfe53ff64d5a81a268bff485aea94eba7f2692c081c01f8f4f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4/bundle.json","state_url":"https://pith.science/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4/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":"2026-08-03T17:46:29Z","links":{"resolver":"https://pith.science/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4","bundle":"https://pith.science/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4/bundle.json","state":"https://pith.science/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7OTTKIB3VI5BRXUE4L7GIUMIM4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7OTTKIB3VI5BRXUE4L7GIUMIM4","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":"5b9d989913ccf92003cd2f30cdadae32667c375856c82197ba115c1ff5163899","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-10T05:46:15Z","title_canon_sha256":"12d64e08e83c2477e79b11bcd38fd279364ce6290eaea679494e43242662b3c8"},"schema_version":"1.0","source":{"id":"2111.05538","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.05538","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"arxiv_version","alias_value":"2111.05538v2","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.05538","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"pith_short_12","alias_value":"7OTTKIB3VI5B","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"pith_short_16","alias_value":"7OTTKIB3VI5BRXUE","created_at":"2026-07-05T08:19:32Z"},{"alias_kind":"pith_short_8","alias_value":"7OTTKIB3","created_at":"2026-07-05T08:19:32Z"}],"graph_snapshots":[{"event_id":"sha256:581020e056f7bbfe53ff64d5a81a268bff485aea94eba7f2692c081c01f8f4f3","target":"graph","created_at":"2026-07-05T08:19:32Z","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/2111.05538/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a novel method to sequentially optimize arbitrary single-qubit gates in parameterized quantum circuits for simulating real and imaginary time evolution. The method utilizes full degrees of freedom of single-qubit gates and therefore can potentially obtain better performance. Specifically, it simultaneously optimizes both the axis and the angle of a single-qubit gate, while the known methods either optimize the angle with the axis fixed, or vice versa. It generalizes the known methods and utilizes sinusoidal cost functions parameterized by the axis and angle of rotation. Furthermore,","authors_text":"Eriko Kaminishi, Hiroshi C. Watanabe, Kaito Wada, Michihiko Sugawara, Naoki Yamamoto, Rudy Raymond, Yu-ya Ohnishi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-10T05:46:15Z","title":"Simulating Time Evolution with Fully Optimized Single-Qubit Gates on Parameterized Quantum Circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.05538","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":"sha256:0ccbeff8a37cbfe4f8eeb77412b88e8e40ff79ad03ded52631486af6c2ae4847","target":"record","created_at":"2026-07-05T08:19:32Z","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":"5b9d989913ccf92003cd2f30cdadae32667c375856c82197ba115c1ff5163899","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-10T05:46:15Z","title_canon_sha256":"12d64e08e83c2477e79b11bcd38fd279364ce6290eaea679494e43242662b3c8"},"schema_version":"1.0","source":{"id":"2111.05538","kind":"arxiv","version":2}},"canonical_sha256":"fba735203baa3a18de84e2fe6451886727e4d040414138bd1419c4785a0b9e6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fba735203baa3a18de84e2fe6451886727e4d040414138bd1419c4785a0b9e6e","first_computed_at":"2026-07-05T08:19:32.461350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:19:32.461350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kMYBjHeJK+yW3B/qTS1kGbyqh3+NRSTyIAcSJGJZ4xXaiH675DDkNpF03ngvwENjzT6mblsgrr06W4JMYws4CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:19:32.461837Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.05538","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ccbeff8a37cbfe4f8eeb77412b88e8e40ff79ad03ded52631486af6c2ae4847","sha256:581020e056f7bbfe53ff64d5a81a268bff485aea94eba7f2692c081c01f8f4f3"],"state_sha256":"e3875ca569371a7f611e17e2e6bd42ce6b04dffe3762515354528972ff9e65fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"idsGCyZfrEZZLAq61BQLHTM7jF2kBoC/0bI5aXLdjIA180OVHzbXVXPqpJG0ZMMbiV5G6l7EyyPAMQCE0kAaAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:46:29.980704Z","bundle_sha256":"119fabd2975103df49bbc475ee96d25c2825f04f9b1ae3153c65770d52086c48"}}