{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XKQM3YD3LKYIJHGYSJTCSPTEDA","short_pith_number":"pith:XKQM3YD3","canonical_record":{"source":{"id":"1911.12259","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-25T19:37:12Z","cross_cats_sorted":[],"title_canon_sha256":"c6e255e7695d953cd90a6bb69a328a23c8c32aaf0014d24fe417684b46efbc5a","abstract_canon_sha256":"77ffc8da5c0f3287dbc42cde0ca4b4e98de59d9663dd92ab4878d8330e97a049"},"schema_version":"1.0"},"canonical_sha256":"baa0cde07b5ab0849cd89266293e64182907d1e4e57b8c39a44ecdaf40b5e403","source":{"kind":"arxiv","id":"1911.12259","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12259","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12259v1","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12259","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"XKQM3YD3LKYI","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"pith_short_16","alias_value":"XKQM3YD3LKYIJHGY","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"pith_short_8","alias_value":"XKQM3YD3","created_at":"2026-07-05T00:22:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XKQM3YD3LKYIJHGYSJTCSPTEDA","target":"record","payload":{"canonical_record":{"source":{"id":"1911.12259","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-25T19:37:12Z","cross_cats_sorted":[],"title_canon_sha256":"c6e255e7695d953cd90a6bb69a328a23c8c32aaf0014d24fe417684b46efbc5a","abstract_canon_sha256":"77ffc8da5c0f3287dbc42cde0ca4b4e98de59d9663dd92ab4878d8330e97a049"},"schema_version":"1.0"},"canonical_sha256":"baa0cde07b5ab0849cd89266293e64182907d1e4e57b8c39a44ecdaf40b5e403","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:22:32.048118Z","signature_b64":"tjVK4+cR7hZpRP6G8NSKNuCO4g2VPG+R0SGNhkfdcXrs24TCzIDALEQXOYn2WG9EAFhFV/0dhN5MC6CwfIsHAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"baa0cde07b5ab0849cd89266293e64182907d1e4e57b8c39a44ecdaf40b5e403","last_reissued_at":"2026-07-05T00:22:32.047618Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:22:32.047618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.12259","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":"2026-07-05T00:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nl7kAXuUvEvnyTOlZUEasIZLcpdLI3kdY5m5fZWHa8PQ66x0XhHAyc6EuxNm37jXTSxalxk824ok/oEwH/EuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:29:21.588948Z"},"content_sha256":"2bf03942d3b8715336fa33ec68a65877b933f3938f4abc9f7825405cbc832c4d","schema_version":"1.0","event_id":"sha256:2bf03942d3b8715336fa33ec68a65877b933f3938f4abc9f7825405cbc832c4d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XKQM3YD3LKYIJHGYSJTCSPTEDA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal quantum control with digitized Quantum Annealing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Giuseppe E. Santoro, Glen Bigan Mbeng, Rosario Fazio","submitted_at":"2019-11-25T19:37:12Z","abstract_excerpt":"We show how a digitized version of Quantum Annealing can be made optimal, realizing the best possible solution allowed by quantum mechanics in the shortest time, without any prior knowledge on the location and properties of the spectral gap. Our findings elucidate the intimate relation between digitized-QA, optimal Quantum Control, and recently proposed hybrid quantum-classical variational algorithms for quantum-state preparation and optimization. We illustrate this on the simple benchmark problem of an unfrustrated antiferromagnetic Ising chain in a transverse field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12259","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.12259/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":"2026-07-05T00:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6xaMeb6e22Rzv6r79fXMkz7JudJ4gBcv1NCul5iatIx3jx0+SACQ5x5d1mNPymq44PAka0msjU1OzWW5Wsg0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:29:21.590022Z"},"content_sha256":"ffc2ee7a7b545cd0a8e18fb0f5cb4426c565270a351615880d2d570d63c64e7c","schema_version":"1.0","event_id":"sha256:ffc2ee7a7b545cd0a8e18fb0f5cb4426c565270a351615880d2d570d63c64e7c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA/bundle.json","state_url":"https://pith.science/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA/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":"2026-08-06T01:29:21Z","links":{"resolver":"https://pith.science/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA","bundle":"https://pith.science/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA/bundle.json","state":"https://pith.science/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XKQM3YD3LKYIJHGYSJTCSPTEDA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XKQM3YD3LKYIJHGYSJTCSPTEDA","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":"77ffc8da5c0f3287dbc42cde0ca4b4e98de59d9663dd92ab4878d8330e97a049","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-25T19:37:12Z","title_canon_sha256":"c6e255e7695d953cd90a6bb69a328a23c8c32aaf0014d24fe417684b46efbc5a"},"schema_version":"1.0","source":{"id":"1911.12259","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12259","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12259v1","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12259","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"XKQM3YD3LKYI","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"pith_short_16","alias_value":"XKQM3YD3LKYIJHGY","created_at":"2026-07-05T00:22:32Z"},{"alias_kind":"pith_short_8","alias_value":"XKQM3YD3","created_at":"2026-07-05T00:22:32Z"}],"graph_snapshots":[{"event_id":"sha256:ffc2ee7a7b545cd0a8e18fb0f5cb4426c565270a351615880d2d570d63c64e7c","target":"graph","created_at":"2026-07-05T00:22:32Z","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/1911.12259/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show how a digitized version of Quantum Annealing can be made optimal, realizing the best possible solution allowed by quantum mechanics in the shortest time, without any prior knowledge on the location and properties of the spectral gap. Our findings elucidate the intimate relation between digitized-QA, optimal Quantum Control, and recently proposed hybrid quantum-classical variational algorithms for quantum-state preparation and optimization. We illustrate this on the simple benchmark problem of an unfrustrated antiferromagnetic Ising chain in a transverse field.","authors_text":"Giuseppe E. Santoro, Glen Bigan Mbeng, Rosario Fazio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-25T19:37:12Z","title":"Optimal quantum control with digitized Quantum Annealing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12259","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":"sha256:2bf03942d3b8715336fa33ec68a65877b933f3938f4abc9f7825405cbc832c4d","target":"record","created_at":"2026-07-05T00:22:32Z","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":"77ffc8da5c0f3287dbc42cde0ca4b4e98de59d9663dd92ab4878d8330e97a049","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-11-25T19:37:12Z","title_canon_sha256":"c6e255e7695d953cd90a6bb69a328a23c8c32aaf0014d24fe417684b46efbc5a"},"schema_version":"1.0","source":{"id":"1911.12259","kind":"arxiv","version":1}},"canonical_sha256":"baa0cde07b5ab0849cd89266293e64182907d1e4e57b8c39a44ecdaf40b5e403","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"baa0cde07b5ab0849cd89266293e64182907d1e4e57b8c39a44ecdaf40b5e403","first_computed_at":"2026-07-05T00:22:32.047618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:22:32.047618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tjVK4+cR7hZpRP6G8NSKNuCO4g2VPG+R0SGNhkfdcXrs24TCzIDALEQXOYn2WG9EAFhFV/0dhN5MC6CwfIsHAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:22:32.048118Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.12259","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2bf03942d3b8715336fa33ec68a65877b933f3938f4abc9f7825405cbc832c4d","sha256:ffc2ee7a7b545cd0a8e18fb0f5cb4426c565270a351615880d2d570d63c64e7c"],"state_sha256":"5ca425d9604d6d2ae64897c4740c61e2ff6ba883fab0c40abae2aa098f185ca3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xijDaI+xVLhYzi6LdToo2RwNxEsnxUsezXYJG574Wh3HJzFJoZVMu8Baxtw3P8NspO1eChP9yEDAHgDtiVwDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:29:21.597509Z","bundle_sha256":"98e67986a1a3221c74d4e5aae4bd19e30d6783a419ba19322485ea45b668f106"}}