{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3JCYFWRFSNCZ66VNTOKL4U4I45","short_pith_number":"pith:3JCYFWRF","canonical_record":{"source":{"id":"1311.5269","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-21T00:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"c1774ecde5cada753dcfc8909ac16d7a6e65d08d1bb34df2d29c68a2f32217ca","abstract_canon_sha256":"7e9c13da0958d320f09ac38fe8da3067b8df7775ef4232f4da293c48d1dd2b40"},"schema_version":"1.0"},"canonical_sha256":"da4582da2593459f7aad9b94be5388e7750a5cf4f3903d1e31b68cc16a85cac6","source":{"kind":"arxiv","id":"1311.5269","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5269","created_at":"2026-05-18T02:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5269v2","created_at":"2026-05-18T02:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5269","created_at":"2026-05-18T02:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"3JCYFWRFSNCZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3JCYFWRFSNCZ66VN","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3JCYFWRF","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3JCYFWRFSNCZ66VNTOKL4U4I45","target":"record","payload":{"canonical_record":{"source":{"id":"1311.5269","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-21T00:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"c1774ecde5cada753dcfc8909ac16d7a6e65d08d1bb34df2d29c68a2f32217ca","abstract_canon_sha256":"7e9c13da0958d320f09ac38fe8da3067b8df7775ef4232f4da293c48d1dd2b40"},"schema_version":"1.0"},"canonical_sha256":"da4582da2593459f7aad9b94be5388e7750a5cf4f3903d1e31b68cc16a85cac6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:40.732465Z","signature_b64":"W/ivyg3xK0mbCcns32SzioOGh750Xhk2ssJ4aR4R4Aov4dY79dLiwCO6AyXXJcUcbObmw9sB6P+sxRgwiA02CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da4582da2593459f7aad9b94be5388e7750a5cf4f3903d1e31b68cc16a85cac6","last_reissued_at":"2026-05-18T02:53:40.731863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:40.731863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.5269","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":"2026-05-18T02:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNILzxlifijCKg6M3K3S/DZmhkzF0Dr4bkiROdVonJk9qvDY3LEsUYf7zIfb178fNxNG79vG0sgOv/BtAF9gBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:21:16.147679Z"},"content_sha256":"675b2859b36a80707e7196b8dd77dc786575d3fc8942f9cf65e6ac6fad824c4e","schema_version":"1.0","event_id":"sha256:675b2859b36a80707e7196b8dd77dc786575d3fc8942f9cf65e6ac6fad824c4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3JCYFWRFSNCZ66VNTOKL4U4I45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Hamiltonian Learning Using Imperfect Quantum Resources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christopher Ferrie, Christopher Granade, David G. Cory, Nathan Wiebe","submitted_at":"2013-11-21T00:00:27Z","abstract_excerpt":"Identifying an accurate model for the dynamics of a quantum system is a vexing problem that underlies a range of problems in experimental physics and quantum information theory. Recently, a method called quantum Hamiltonian learning has been proposed by the present authors that uses quantum simulation as a resource for modeling an unknown quantum system. This approach can, under certain circumstances, allow such models to be efficiently identified. A major caveat of that work is the assumption of that all elements of the protocol are noise-free. Here, we show that quantum Hamiltonian learning "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5269","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":""},"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":"2026-05-18T02:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tge+SdtmwXShXHxHN1F01f0XbMSRdTb1JGfCIc3DBd9jqErPGmDJ6joDfi2FDOoO5qRYM0v3zvNJpw1/bTYYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:21:16.148028Z"},"content_sha256":"2c7efc2f8874089455e862e5a08bbbcb04dfe9333833f8e01a71773060224b55","schema_version":"1.0","event_id":"sha256:2c7efc2f8874089455e862e5a08bbbcb04dfe9333833f8e01a71773060224b55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3JCYFWRFSNCZ66VNTOKL4U4I45/bundle.json","state_url":"https://pith.science/pith/3JCYFWRFSNCZ66VNTOKL4U4I45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3JCYFWRFSNCZ66VNTOKL4U4I45/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":"2026-05-26T15:21:16Z","links":{"resolver":"https://pith.science/pith/3JCYFWRFSNCZ66VNTOKL4U4I45","bundle":"https://pith.science/pith/3JCYFWRFSNCZ66VNTOKL4U4I45/bundle.json","state":"https://pith.science/pith/3JCYFWRFSNCZ66VNTOKL4U4I45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3JCYFWRFSNCZ66VNTOKL4U4I45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3JCYFWRFSNCZ66VNTOKL4U4I45","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":"7e9c13da0958d320f09ac38fe8da3067b8df7775ef4232f4da293c48d1dd2b40","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-21T00:00:27Z","title_canon_sha256":"c1774ecde5cada753dcfc8909ac16d7a6e65d08d1bb34df2d29c68a2f32217ca"},"schema_version":"1.0","source":{"id":"1311.5269","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5269","created_at":"2026-05-18T02:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5269v2","created_at":"2026-05-18T02:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5269","created_at":"2026-05-18T02:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"3JCYFWRFSNCZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3JCYFWRFSNCZ66VN","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3JCYFWRF","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:2c7efc2f8874089455e862e5a08bbbcb04dfe9333833f8e01a71773060224b55","target":"graph","created_at":"2026-05-18T02:53:40Z","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":"Identifying an accurate model for the dynamics of a quantum system is a vexing problem that underlies a range of problems in experimental physics and quantum information theory. Recently, a method called quantum Hamiltonian learning has been proposed by the present authors that uses quantum simulation as a resource for modeling an unknown quantum system. This approach can, under certain circumstances, allow such models to be efficiently identified. A major caveat of that work is the assumption of that all elements of the protocol are noise-free. Here, we show that quantum Hamiltonian learning ","authors_text":"Christopher Ferrie, Christopher Granade, David G. Cory, Nathan Wiebe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-21T00:00:27Z","title":"Quantum Hamiltonian Learning Using Imperfect Quantum Resources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5269","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":"sha256:675b2859b36a80707e7196b8dd77dc786575d3fc8942f9cf65e6ac6fad824c4e","target":"record","created_at":"2026-05-18T02:53:40Z","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":"7e9c13da0958d320f09ac38fe8da3067b8df7775ef4232f4da293c48d1dd2b40","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-21T00:00:27Z","title_canon_sha256":"c1774ecde5cada753dcfc8909ac16d7a6e65d08d1bb34df2d29c68a2f32217ca"},"schema_version":"1.0","source":{"id":"1311.5269","kind":"arxiv","version":2}},"canonical_sha256":"da4582da2593459f7aad9b94be5388e7750a5cf4f3903d1e31b68cc16a85cac6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da4582da2593459f7aad9b94be5388e7750a5cf4f3903d1e31b68cc16a85cac6","first_computed_at":"2026-05-18T02:53:40.731863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:40.731863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W/ivyg3xK0mbCcns32SzioOGh750Xhk2ssJ4aR4R4Aov4dY79dLiwCO6AyXXJcUcbObmw9sB6P+sxRgwiA02CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:40.732465Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.5269","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:675b2859b36a80707e7196b8dd77dc786575d3fc8942f9cf65e6ac6fad824c4e","sha256:2c7efc2f8874089455e862e5a08bbbcb04dfe9333833f8e01a71773060224b55"],"state_sha256":"3795459de546dbaad97fb557e789519dccd8df6cb6339c646ac09d0ca5ef0e07"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NTOGhn178i7CBKBq5vLy1I0XXQeBA6cJMJa5brKuEQaW4ddkcB0jArFlpKQaQwTq4NuXOaosgutFcv7wZWQVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:21:16.150341Z","bundle_sha256":"e970699358d001281d905f604e2cb80cb2a17eca41799d28c91dda07b23ee885"}}