{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OX4N5S5S53NESFC7M37ENGZMYQ","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":"bf5235439e3f945f92afbdde160d155ca7f9b3119100a77f1cf482b4bebe8c3a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-02-03T15:27:35Z","title_canon_sha256":"a1a3b3d39e0590fb76d80799392fbc21b8c8b832c815b1ca39f63d8d7e90f6c9"},"schema_version":"1.0","source":{"id":"1902.00909","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00909","created_at":"2026-05-17T23:54:51Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00909v1","created_at":"2026-05-17T23:54:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00909","created_at":"2026-05-17T23:54:51Z"},{"alias_kind":"pith_short_12","alias_value":"OX4N5S5S53NE","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OX4N5S5S53NESFC7","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OX4N5S5S","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:1f83a6e7f5c6a6ac4dead014e1004d859a3ccf63975f136a37a07a108777fa48","target":"graph","created_at":"2026-05-17T23:54:51Z","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":"Open quantum systems have become an active area of research, owing to its potential applications in many different fields ranging from computation to biology. Here, we review the formalism of dynamical maps used to represent the time evolution of open quantum systems and discuss the various representations and properties of the same, with many examples.","authors_text":"Francesco Petruccione, Vinayak Jagadish","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-02-03T15:27:35Z","title":"An Invitation to Quantum Channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00909","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":"sha256:31018b07fa86b6a816a5bdc5d672df948e3e8ebda91cebfcf0a58df4f6964e38","target":"record","created_at":"2026-05-17T23:54:51Z","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":"bf5235439e3f945f92afbdde160d155ca7f9b3119100a77f1cf482b4bebe8c3a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-02-03T15:27:35Z","title_canon_sha256":"a1a3b3d39e0590fb76d80799392fbc21b8c8b832c815b1ca39f63d8d7e90f6c9"},"schema_version":"1.0","source":{"id":"1902.00909","kind":"arxiv","version":1}},"canonical_sha256":"75f8decbb2eeda49145f66fe469b2cc435ee1df408c5965674ee04d37b31ca7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75f8decbb2eeda49145f66fe469b2cc435ee1df408c5965674ee04d37b31ca7a","first_computed_at":"2026-05-17T23:54:51.836302Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:51.836302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dRmjKl6G083bLH/rUP9UtWrAiIGgXIsdCTR9Toy23vQwWoKLTa91HtbC32qv5LQ7Dfu/HGJO379wmskWhcnBDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:51.836775Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.00909","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31018b07fa86b6a816a5bdc5d672df948e3e8ebda91cebfcf0a58df4f6964e38","sha256:1f83a6e7f5c6a6ac4dead014e1004d859a3ccf63975f136a37a07a108777fa48"],"state_sha256":"495e48561acf74c3b0328070cb51ae51de4ecd9b19f52a82c9040e7b6e81a127"}