{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:76C7OQYLZHT6KH2JZTYZMM7LAY","short_pith_number":"pith:76C7OQYL","canonical_record":{"source":{"id":"1210.5449","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-19T15:40:13Z","cross_cats_sorted":[],"title_canon_sha256":"f8aa6f5d2c059e20c38d087e3d712bd08c96a50a4aa93830e59a204bcb2171e8","abstract_canon_sha256":"03fc42f3f65c3cd9673dce691eb570338fc0de991f22967058d1efa20058ae79"},"schema_version":"1.0"},"canonical_sha256":"ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098","source":{"kind":"arxiv","id":"1210.5449","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.5449","created_at":"2026-05-18T03:13:10Z"},{"alias_kind":"arxiv_version","alias_value":"1210.5449v2","created_at":"2026-05-18T03:13:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.5449","created_at":"2026-05-18T03:13:10Z"},{"alias_kind":"pith_short_12","alias_value":"76C7OQYLZHT6","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"76C7OQYLZHT6KH2J","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"76C7OQYL","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:76C7OQYLZHT6KH2JZTYZMM7LAY","target":"record","payload":{"canonical_record":{"source":{"id":"1210.5449","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-19T15:40:13Z","cross_cats_sorted":[],"title_canon_sha256":"f8aa6f5d2c059e20c38d087e3d712bd08c96a50a4aa93830e59a204bcb2171e8","abstract_canon_sha256":"03fc42f3f65c3cd9673dce691eb570338fc0de991f22967058d1efa20058ae79"},"schema_version":"1.0"},"canonical_sha256":"ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:10.721512Z","signature_b64":"oH5j7cjWxTa3gn15KxOtmOhXp8nuhqigcZz2iPovwbV16JRBSl8JVzZ5XS7/6Zk1LEUGHU/uTW2q4ffXEfSMCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098","last_reissued_at":"2026-05-18T03:13:10.720590Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:10.720590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.5449","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":"2026-05-18T03:13:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ojHzUGJpHaC49P+jBMFHAroNdsFgvrXsPwA0ExjhnaK50lRXcwZK+jNNBoxjbh28beK82vXv7TvzKh1ytol9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:02:12.792155Z"},"content_sha256":"ee118e999cf05652399a967b907e58176c209d185458e431ecf551771d80088e","schema_version":"1.0","event_id":"sha256:ee118e999cf05652399a967b907e58176c209d185458e431ecf551771d80088e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:76C7OQYLZHT6KH2JZTYZMM7LAY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exact Algebraic Conditions for Indirect Controllability in Quantum Coherent Feedback Schemes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Domenico D'Alessandro, Francesca Albertini, Raffaele Romano","submitted_at":"2012-10-19T15:40:13Z","abstract_excerpt":"In coherent quantum feedback control schemes, a target quantum system S is put in contact with an auxiliary system A and the coherent control can directly affect only A. The system S is controlled 'indirectly' through the interaction with A. The system S is said to be indirectly controllable if every unitary transformation can be performed on the state of S with this scheme. The indirect controllability of S will depend on the `dynamical Lie algebra' L characterizing the dynamics of the total system S+A and on the initial state of the auxiliary system A. In this paper we describe this characte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.5449","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":"2026-05-18T03:13:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qst+jC7wQhikSWMcJmzWMJGA15QEvPyZRHu2wCNXMKbvWVQg53SDTryj5OXu/C+fMvT1eDEiZNECMFUrrxHoCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:02:12.792832Z"},"content_sha256":"eaf8f7ab52a8dbe0e3365476883520ce81fc15ef1d7a2ed1caca2cfc4d804fcd","schema_version":"1.0","event_id":"sha256:eaf8f7ab52a8dbe0e3365476883520ce81fc15ef1d7a2ed1caca2cfc4d804fcd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/76C7OQYLZHT6KH2JZTYZMM7LAY/bundle.json","state_url":"https://pith.science/pith/76C7OQYLZHT6KH2JZTYZMM7LAY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/76C7OQYLZHT6KH2JZTYZMM7LAY/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":"2026-05-30T05:02:12Z","links":{"resolver":"https://pith.science/pith/76C7OQYLZHT6KH2JZTYZMM7LAY","bundle":"https://pith.science/pith/76C7OQYLZHT6KH2JZTYZMM7LAY/bundle.json","state":"https://pith.science/pith/76C7OQYLZHT6KH2JZTYZMM7LAY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/76C7OQYLZHT6KH2JZTYZMM7LAY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:76C7OQYLZHT6KH2JZTYZMM7LAY","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":"03fc42f3f65c3cd9673dce691eb570338fc0de991f22967058d1efa20058ae79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-19T15:40:13Z","title_canon_sha256":"f8aa6f5d2c059e20c38d087e3d712bd08c96a50a4aa93830e59a204bcb2171e8"},"schema_version":"1.0","source":{"id":"1210.5449","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.5449","created_at":"2026-05-18T03:13:10Z"},{"alias_kind":"arxiv_version","alias_value":"1210.5449v2","created_at":"2026-05-18T03:13:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.5449","created_at":"2026-05-18T03:13:10Z"},{"alias_kind":"pith_short_12","alias_value":"76C7OQYLZHT6","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"76C7OQYLZHT6KH2J","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"76C7OQYL","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:eaf8f7ab52a8dbe0e3365476883520ce81fc15ef1d7a2ed1caca2cfc4d804fcd","target":"graph","created_at":"2026-05-18T03:13:10Z","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":"In coherent quantum feedback control schemes, a target quantum system S is put in contact with an auxiliary system A and the coherent control can directly affect only A. The system S is controlled 'indirectly' through the interaction with A. The system S is said to be indirectly controllable if every unitary transformation can be performed on the state of S with this scheme. The indirect controllability of S will depend on the `dynamical Lie algebra' L characterizing the dynamics of the total system S+A and on the initial state of the auxiliary system A. In this paper we describe this characte","authors_text":"Domenico D'Alessandro, Francesca Albertini, Raffaele Romano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-19T15:40:13Z","title":"Exact Algebraic Conditions for Indirect Controllability in Quantum Coherent Feedback Schemes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.5449","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:ee118e999cf05652399a967b907e58176c209d185458e431ecf551771d80088e","target":"record","created_at":"2026-05-18T03:13:10Z","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":"03fc42f3f65c3cd9673dce691eb570338fc0de991f22967058d1efa20058ae79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-19T15:40:13Z","title_canon_sha256":"f8aa6f5d2c059e20c38d087e3d712bd08c96a50a4aa93830e59a204bcb2171e8"},"schema_version":"1.0","source":{"id":"1210.5449","kind":"arxiv","version":2}},"canonical_sha256":"ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff85f7430bc9e7e51f49ccf19633eb0602ce54e6a84e556d66e6ae176e9c9098","first_computed_at":"2026-05-18T03:13:10.720590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:10.720590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oH5j7cjWxTa3gn15KxOtmOhXp8nuhqigcZz2iPovwbV16JRBSl8JVzZ5XS7/6Zk1LEUGHU/uTW2q4ffXEfSMCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:10.721512Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.5449","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee118e999cf05652399a967b907e58176c209d185458e431ecf551771d80088e","sha256:eaf8f7ab52a8dbe0e3365476883520ce81fc15ef1d7a2ed1caca2cfc4d804fcd"],"state_sha256":"19d07b7e71dbc40f2047f4613f77423ce721c00e38f19286bb8bb14d7595a03b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z5PRAdEY/ZdmJq9hq5mMOmqxjoaoeKjZlOWPyD/x4l3Er6BUsp5W4txoUoez9x7oJGGqTRkqsNUvPYkHf/HJAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:02:12.796133Z","bundle_sha256":"7ef7cee3696a3120bb67409b7bd3813a10a03404a1491e34d2650e623bf8a4d0"}}