{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:232NSJPGCWPZ67VI7VBYF6EDQ3","short_pith_number":"pith:232NSJPG","canonical_record":{"source":{"id":"2607.12802","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-14T14:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"6f83acd87f7f5f947f9d8df3b309129adbfb20f560a8cb12bd2aa61970e84c37","abstract_canon_sha256":"bc0d32f939a60a1bb381525f00f9665d15f7dd984fb7cdf3ae5e08975554069f"},"schema_version":"1.0"},"canonical_sha256":"d6f4d925e6159f9f7ea8fd4382f88386f0454b0e4b84a691a4158b64caf208b8","source":{"kind":"arxiv","id":"2607.12802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12802","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12802v1","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12802","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"pith_short_12","alias_value":"232NSJPGCWPZ","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"pith_short_16","alias_value":"232NSJPGCWPZ67VI","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"pith_short_8","alias_value":"232NSJPG","created_at":"2026-07-15T01:22:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:232NSJPGCWPZ67VI7VBYF6EDQ3","target":"record","payload":{"canonical_record":{"source":{"id":"2607.12802","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-14T14:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"6f83acd87f7f5f947f9d8df3b309129adbfb20f560a8cb12bd2aa61970e84c37","abstract_canon_sha256":"bc0d32f939a60a1bb381525f00f9665d15f7dd984fb7cdf3ae5e08975554069f"},"schema_version":"1.0"},"canonical_sha256":"d6f4d925e6159f9f7ea8fd4382f88386f0454b0e4b84a691a4158b64caf208b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-15T01:22:18.629734Z","signature_b64":"Il35Q55UbFhWbxRpy7zSJ0uVe+8ytshUy6WgwWntqRY9clR3AjhyjYpCrdH1b3YtrJRXniM/8FGjP6G/NTJ1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6f4d925e6159f9f7ea8fd4382f88386f0454b0e4b84a691a4158b64caf208b8","last_reissued_at":"2026-07-15T01:22:18.628914Z","signature_status":"signed_v1","first_computed_at":"2026-07-15T01:22:18.628914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.12802","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":"2026-07-15T01:22:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fQAWGEIaGJtWCHVDWcpmCwWl8xEJMJnoTIPBSH4MZNxDvW4mhS03/OTh9OS8pUK6AxuH9D4PXrkHCpfBvP3WCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:47:29.669612Z"},"content_sha256":"da8acd473f0a8cd45ed2d84a6cc992d684b98fb1f8be65bd65c10206e119f156","schema_version":"1.0","event_id":"sha256:da8acd473f0a8cd45ed2d84a6cc992d684b98fb1f8be65bd65c10206e119f156"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:232NSJPGCWPZ67VI7VBYF6EDQ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Variational Surrogate Approach to Finite-Horizon Quantum Control via Hardware-Efficient Ansatz","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Pedro Aguiar, Nahid Binandeh Dehaghani, Rafal Wisniewski","submitted_at":"2026-07-14T14:17:02Z","abstract_excerpt":"We present a variational quantum framework for finite-horizon quantum control based on hardware-efficient ans\\\"atze. The objective is to steer a quantum system from a given initial state to a desired target state over a fixed time horizon by minimizing a terminal cost defined in terms of state fidelity. Instead of explicitly synthesizing time-dependent control fields or enforcing Hamiltonian reachability constraints, the proposed method reformulates the control objective as a variational optimization problem in which a hardware-efficient parameterized quantum circuit provides a surrogate param"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12802","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/2607.12802/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":"2026-07-15T01:22:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ko5MilkkFQ1eo1qUdTIa8OqErARoDZ86Wszpncsu0BYcOwCmArqpJxE0RODU/q/JfHvGpdIAYxlumOvSUcvRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:47:29.670396Z"},"content_sha256":"ac2e7ecd731178d5b39d4be8b7b9a601cba3805cb8e8ce519de20917d97c6382","schema_version":"1.0","event_id":"sha256:ac2e7ecd731178d5b39d4be8b7b9a601cba3805cb8e8ce519de20917d97c6382"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/232NSJPGCWPZ67VI7VBYF6EDQ3/bundle.json","state_url":"https://pith.science/pith/232NSJPGCWPZ67VI7VBYF6EDQ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/232NSJPGCWPZ67VI7VBYF6EDQ3/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":"2026-08-04T00:47:29Z","links":{"resolver":"https://pith.science/pith/232NSJPGCWPZ67VI7VBYF6EDQ3","bundle":"https://pith.science/pith/232NSJPGCWPZ67VI7VBYF6EDQ3/bundle.json","state":"https://pith.science/pith/232NSJPGCWPZ67VI7VBYF6EDQ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/232NSJPGCWPZ67VI7VBYF6EDQ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:232NSJPGCWPZ67VI7VBYF6EDQ3","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":"bc0d32f939a60a1bb381525f00f9665d15f7dd984fb7cdf3ae5e08975554069f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-14T14:17:02Z","title_canon_sha256":"6f83acd87f7f5f947f9d8df3b309129adbfb20f560a8cb12bd2aa61970e84c37"},"schema_version":"1.0","source":{"id":"2607.12802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12802","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12802v1","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12802","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"pith_short_12","alias_value":"232NSJPGCWPZ","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"pith_short_16","alias_value":"232NSJPGCWPZ67VI","created_at":"2026-07-15T01:22:18Z"},{"alias_kind":"pith_short_8","alias_value":"232NSJPG","created_at":"2026-07-15T01:22:18Z"}],"graph_snapshots":[{"event_id":"sha256:ac2e7ecd731178d5b39d4be8b7b9a601cba3805cb8e8ce519de20917d97c6382","target":"graph","created_at":"2026-07-15T01:22:18Z","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/2607.12802/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a variational quantum framework for finite-horizon quantum control based on hardware-efficient ans\\\"atze. The objective is to steer a quantum system from a given initial state to a desired target state over a fixed time horizon by minimizing a terminal cost defined in terms of state fidelity. Instead of explicitly synthesizing time-dependent control fields or enforcing Hamiltonian reachability constraints, the proposed method reformulates the control objective as a variational optimization problem in which a hardware-efficient parameterized quantum circuit provides a surrogate param","authors_text":"A. Pedro Aguiar, Nahid Binandeh Dehaghani, Rafal Wisniewski","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-14T14:17:02Z","title":"A Variational Surrogate Approach to Finite-Horizon Quantum Control via Hardware-Efficient Ansatz"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12802","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:da8acd473f0a8cd45ed2d84a6cc992d684b98fb1f8be65bd65c10206e119f156","target":"record","created_at":"2026-07-15T01:22:18Z","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":"bc0d32f939a60a1bb381525f00f9665d15f7dd984fb7cdf3ae5e08975554069f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-14T14:17:02Z","title_canon_sha256":"6f83acd87f7f5f947f9d8df3b309129adbfb20f560a8cb12bd2aa61970e84c37"},"schema_version":"1.0","source":{"id":"2607.12802","kind":"arxiv","version":1}},"canonical_sha256":"d6f4d925e6159f9f7ea8fd4382f88386f0454b0e4b84a691a4158b64caf208b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6f4d925e6159f9f7ea8fd4382f88386f0454b0e4b84a691a4158b64caf208b8","first_computed_at":"2026-07-15T01:22:18.628914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-15T01:22:18.628914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Il35Q55UbFhWbxRpy7zSJ0uVe+8ytshUy6WgwWntqRY9clR3AjhyjYpCrdH1b3YtrJRXniM/8FGjP6G/NTJ1Cg==","signature_status":"signed_v1","signed_at":"2026-07-15T01:22:18.629734Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.12802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da8acd473f0a8cd45ed2d84a6cc992d684b98fb1f8be65bd65c10206e119f156","sha256:ac2e7ecd731178d5b39d4be8b7b9a601cba3805cb8e8ce519de20917d97c6382"],"state_sha256":"d356a44e1fccb10ba827ae6aeedeb66954185e212926122143f4a385a29d93cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0UYSy1Y3lrO6O8+GrrknAH7WlqrFdjM7JrnUmdWeZs9U18OG5KDR1GlYISgnb+i0exPm3VB9Tx/UDAVE/4F3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T00:47:29.674664Z","bundle_sha256":"4450435f56a059b7e5e9669cc667a18a416e55c49f3c12a19f56721fceeb4d94"}}