{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7HZZIX5S3XWD3N22DO33TYM6JG","short_pith_number":"pith:7HZZIX5S","canonical_record":{"source":{"id":"1401.5240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-21T09:49:29Z","cross_cats_sorted":[],"title_canon_sha256":"48c486b3cb445923e3831277b1b578c9d31ffdfdae3200028b1864b4d8b68fcd","abstract_canon_sha256":"3286a74370caadf5552264061c6b73fc9223453eeb5f035b9c715bb2d01a0f0f"},"schema_version":"1.0"},"canonical_sha256":"f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411","source":{"kind":"arxiv","id":"1401.5240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5240","created_at":"2026-05-18T02:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5240v1","created_at":"2026-05-18T02:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5240","created_at":"2026-05-18T02:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"7HZZIX5S3XWD","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"7HZZIX5S3XWD3N22","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"7HZZIX5S","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7HZZIX5S3XWD3N22DO33TYM6JG","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-21T09:49:29Z","cross_cats_sorted":[],"title_canon_sha256":"48c486b3cb445923e3831277b1b578c9d31ffdfdae3200028b1864b4d8b68fcd","abstract_canon_sha256":"3286a74370caadf5552264061c6b73fc9223453eeb5f035b9c715bb2d01a0f0f"},"schema_version":"1.0"},"canonical_sha256":"f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:06.303340Z","signature_b64":"jfI9AHwire0+WPHwjMNbEyKkojNsde9kBU3hbTVujaVWsEoktRQ1I+QtcOvNKYO191QF22X8R5XFZnG8Pv81DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411","last_reissued_at":"2026-05-18T02:56:06.302919Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:06.302919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5240","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":"2026-05-18T02:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s4Z6P3jVB79SAa8jM5/qbgQETbtpKczn7fRJOsAzLwUtnFsuf8Q5GYkEj0ZY3VnsyG48q65qoN5FSAEca09bCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T00:37:22.913999Z"},"content_sha256":"8cd829cc085d0fccdd3bc5450de04dd4f487092a88fb54d5bb6bc72e93ac633b","schema_version":"1.0","event_id":"sha256:8cd829cc085d0fccdd3bc5450de04dd4f487092a88fb54d5bb6bc72e93ac633b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7HZZIX5S3XWD3N22DO33TYM6JG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifiability of Open Quantum Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel Burgarth, Kazuya Yuasa","submitted_at":"2014-01-21T09:49:29Z","abstract_excerpt":"We provide a general framework for the identification of open quantum systems. By looking at the input-output behavior, we try to identify the system inside a black box in which some Markovian time-evolution takes place. Due to the generally irreversible nature of the dynamics, it is difficult to assure full controllability over the system. Still, we show that the system is identifiable up to similarity under a certain rank condition. The framework also covers situations relevant to standard quantum process tomography, where we do not have enough control over the system but have a tomographica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5240","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":""},"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":"2026-05-18T02:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sSNTvm2bAr7QSaihQIIgvPS6txVG2tBS3zO0BON0wdugLPovgZk1v4Omy1M8G/m6LufTx17MJkgPlgD7tqAuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T00:37:22.914467Z"},"content_sha256":"fd16f78b86ae3a84a87a3f6a6cc5bbe69314b2834b40ec409f5dd343f562f938","schema_version":"1.0","event_id":"sha256:fd16f78b86ae3a84a87a3f6a6cc5bbe69314b2834b40ec409f5dd343f562f938"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7HZZIX5S3XWD3N22DO33TYM6JG/bundle.json","state_url":"https://pith.science/pith/7HZZIX5S3XWD3N22DO33TYM6JG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7HZZIX5S3XWD3N22DO33TYM6JG/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":"2026-05-19T00:37:22Z","links":{"resolver":"https://pith.science/pith/7HZZIX5S3XWD3N22DO33TYM6JG","bundle":"https://pith.science/pith/7HZZIX5S3XWD3N22DO33TYM6JG/bundle.json","state":"https://pith.science/pith/7HZZIX5S3XWD3N22DO33TYM6JG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7HZZIX5S3XWD3N22DO33TYM6JG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7HZZIX5S3XWD3N22DO33TYM6JG","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":"3286a74370caadf5552264061c6b73fc9223453eeb5f035b9c715bb2d01a0f0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-21T09:49:29Z","title_canon_sha256":"48c486b3cb445923e3831277b1b578c9d31ffdfdae3200028b1864b4d8b68fcd"},"schema_version":"1.0","source":{"id":"1401.5240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5240","created_at":"2026-05-18T02:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5240v1","created_at":"2026-05-18T02:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5240","created_at":"2026-05-18T02:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"7HZZIX5S3XWD","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"7HZZIX5S3XWD3N22","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"7HZZIX5S","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:fd16f78b86ae3a84a87a3f6a6cc5bbe69314b2834b40ec409f5dd343f562f938","target":"graph","created_at":"2026-05-18T02:56:06Z","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":"We provide a general framework for the identification of open quantum systems. By looking at the input-output behavior, we try to identify the system inside a black box in which some Markovian time-evolution takes place. Due to the generally irreversible nature of the dynamics, it is difficult to assure full controllability over the system. Still, we show that the system is identifiable up to similarity under a certain rank condition. The framework also covers situations relevant to standard quantum process tomography, where we do not have enough control over the system but have a tomographica","authors_text":"Daniel Burgarth, Kazuya Yuasa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-21T09:49:29Z","title":"Identifiability of Open Quantum Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5240","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":"sha256:8cd829cc085d0fccdd3bc5450de04dd4f487092a88fb54d5bb6bc72e93ac633b","target":"record","created_at":"2026-05-18T02:56:06Z","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":"3286a74370caadf5552264061c6b73fc9223453eeb5f035b9c715bb2d01a0f0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-21T09:49:29Z","title_canon_sha256":"48c486b3cb445923e3831277b1b578c9d31ffdfdae3200028b1864b4d8b68fcd"},"schema_version":"1.0","source":{"id":"1401.5240","kind":"arxiv","version":1}},"canonical_sha256":"f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9f3945fb2ddec3db75a1bb7b9e19e49a243f34741df1acfdeab6da821538411","first_computed_at":"2026-05-18T02:56:06.302919Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:06.302919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jfI9AHwire0+WPHwjMNbEyKkojNsde9kBU3hbTVujaVWsEoktRQ1I+QtcOvNKYO191QF22X8R5XFZnG8Pv81DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:06.303340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cd829cc085d0fccdd3bc5450de04dd4f487092a88fb54d5bb6bc72e93ac633b","sha256:fd16f78b86ae3a84a87a3f6a6cc5bbe69314b2834b40ec409f5dd343f562f938"],"state_sha256":"4ba44e1d2c933cc42300679cbb1dcd6c03bf92bb551dca503e93ebd2cc1108e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rx0GgG5nrTS0HllpHJwJtECNXOyxwI2QYYnWe3216d2JfAkGskgJxye3Bq6znr2k2RmZfHr1ysJVKM8QXmJfCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T00:37:22.916224Z","bundle_sha256":"f36d2f6aeec86d974250a64996dce9353a0ec7bc024cf0d00a239f608b6673ac"}}