{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7DN62W23XQGEJCP3CUKEYJ7FWY","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":"f4319aaeb28bcfcf539e861edd1e9f8117c8ca594e03c11340441cc14442ff95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-10-09T16:37:47Z","title_canon_sha256":"b7aae4f246c287fb655148de79727f73910a02b118a1c549088b6842e64cfaf8"},"schema_version":"1.0","source":{"id":"2510.08419","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2510.08419","created_at":"2026-06-02T01:03:35Z"},{"alias_kind":"arxiv_version","alias_value":"2510.08419v2","created_at":"2026-06-02T01:03:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2510.08419","created_at":"2026-06-02T01:03:35Z"},{"alias_kind":"pith_short_12","alias_value":"7DN62W23XQGE","created_at":"2026-06-02T01:03:35Z"},{"alias_kind":"pith_short_16","alias_value":"7DN62W23XQGEJCP3","created_at":"2026-06-02T01:03:35Z"},{"alias_kind":"pith_short_8","alias_value":"7DN62W23","created_at":"2026-06-02T01:03:35Z"}],"graph_snapshots":[{"event_id":"sha256:8a877f5114a89b696fdc78b14331bc7c5605f92e0c094ff73b6652edb6e2fcd7","target":"graph","created_at":"2026-06-02T01:03:35Z","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/2510.08419/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Characterizing continuous-variable (CV) Hamiltonians can be formulated as Hamiltonian learning under quantum measurement constraints: finite operator coefficients are inferred from noisy measurement outcomes obtained by probing an infinite-dimensional system. Existing Heisenberg-limited CV protocols are often limited to low-order structures, vulnerable to noise, or unresolved for generic multi-mode settings. We introduce Displacement-Random Unitary Transformation (D-RUT), an active data acquisition protocol with pre-specified probes and number-preserving transformations that reduce finite-orde","authors_text":"Di Luo, Lixing Zhang, Xi Huang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-10-09T16:37:47Z","title":"Continuous Variable Hamiltonian Learning at Heisenberg Limit via Displacement-Random Unitary Transformation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2510.08419","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:e34ef50f6450150b85df701ec71a3c97a4823a10aed1538e5e7f9576bb859c9d","target":"record","created_at":"2026-06-02T01:03:35Z","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":"f4319aaeb28bcfcf539e861edd1e9f8117c8ca594e03c11340441cc14442ff95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-10-09T16:37:47Z","title_canon_sha256":"b7aae4f246c287fb655148de79727f73910a02b118a1c549088b6842e64cfaf8"},"schema_version":"1.0","source":{"id":"2510.08419","kind":"arxiv","version":2}},"canonical_sha256":"f8dbed5b5bbc0c4489fb15144c27e5b61c63427af5ed08d6690908b91934fb0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8dbed5b5bbc0c4489fb15144c27e5b61c63427af5ed08d6690908b91934fb0c","first_computed_at":"2026-06-02T01:03:35.124977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:03:35.124977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+xG81/AcWGYRCGIF7wMOIG5h/t2qxItr51LHl1ugCdQs0wsgrwxCR0A8f3bXV35a5GDY/dCbH8r8RRCzGQwoDA==","signature_status":"signed_v1","signed_at":"2026-06-02T01:03:35.125650Z","signed_message":"canonical_sha256_bytes"},"source_id":"2510.08419","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e34ef50f6450150b85df701ec71a3c97a4823a10aed1538e5e7f9576bb859c9d","sha256:8a877f5114a89b696fdc78b14331bc7c5605f92e0c094ff73b6652edb6e2fcd7"],"state_sha256":"25b34f839e6204092b05b9b9de069ba3a206b0bc4491926be38793b3cb1a4c3c"}