{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:5ADX45SLEPRT33YSRGBPYGKCP6","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":"ad470d7dde3312dba6e7cca98c6f7465e0de8dc12bf49762c122e47a6711c3a1","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2002-12-04T12:53:55Z","title_canon_sha256":"95257b1defb017e75be03bde51e1994ecb45a497415c55f1475ca04d91fbe74a"},"schema_version":"1.0","source":{"id":"quant-ph/0212025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0212025","created_at":"2026-07-04T14:46:04Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0212025v1","created_at":"2026-07-04T14:46:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0212025","created_at":"2026-07-04T14:46:04Z"},{"alias_kind":"pith_short_12","alias_value":"5ADX45SLEPRT","created_at":"2026-07-04T14:46:04Z"},{"alias_kind":"pith_short_16","alias_value":"5ADX45SLEPRT33YS","created_at":"2026-07-04T14:46:04Z"},{"alias_kind":"pith_short_8","alias_value":"5ADX45SL","created_at":"2026-07-04T14:46:04Z"}],"graph_snapshots":[{"event_id":"sha256:206bece00b5ef2358f9ec43d5147a935eca15656428237e7e582dba84815595a","target":"graph","created_at":"2026-07-04T14:46:04Z","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/quant-ph/0212025/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A direct proof of the relation between the one-shot classical capacity and the minimal output entropy for covariant quantum channels is suggested. The structure of covariant channels is described in some detail. A simple proof of a general inequality for entanglement-assisted classical capacity is given.","authors_text":"A. S. Holevo","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2002-12-04T12:53:55Z","title":"Remarks on the classical capacity of quantum channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0212025","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":"sha256:7def1d47474bf63caf4cb5c3b554c18a4ad7a59da3a69d54b22a4d7a2203cedd","target":"record","created_at":"2026-07-04T14:46:04Z","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":"ad470d7dde3312dba6e7cca98c6f7465e0de8dc12bf49762c122e47a6711c3a1","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2002-12-04T12:53:55Z","title_canon_sha256":"95257b1defb017e75be03bde51e1994ecb45a497415c55f1475ca04d91fbe74a"},"schema_version":"1.0","source":{"id":"quant-ph/0212025","kind":"arxiv","version":1}},"canonical_sha256":"e8077e764b23e33def128982fc19427f9df0d10e453f52e7d1236e3ae2637313","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8077e764b23e33def128982fc19427f9df0d10e453f52e7d1236e3ae2637313","first_computed_at":"2026-07-04T14:46:04.554552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:46:04.554552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2LJuzWR2r+Mg0J3Y4FBQBEC3U5lvE0j2FZO3EhDhQ9N6qv6ijOzDjcn15skGUdodXSA8PEuY/H5L0kn+PB1ZCg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:46:04.554915Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0212025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7def1d47474bf63caf4cb5c3b554c18a4ad7a59da3a69d54b22a4d7a2203cedd","sha256:206bece00b5ef2358f9ec43d5147a935eca15656428237e7e582dba84815595a"],"state_sha256":"1d7987d19f8c7fef25d99b164cc593c4535588a5903ab29160465f3197780bef"}