{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:E2USSZAIY5IUWCJEP7M6TD4XNP","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":"ad7f551023cd3e8fbeef13a01b5a3aa3c832f871b93ea9f3b28bbb167140add3","cross_cats_sorted":["math.KT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2015-11-30T20:40:53Z","title_canon_sha256":"2a1596d3b28a11945afedc1481735c207ffbd55927631a3a97275350539e7bec"},"schema_version":"1.0","source":{"id":"1511.09463","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09463","created_at":"2026-05-18T01:25:40Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09463v1","created_at":"2026-05-18T01:25:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09463","created_at":"2026-05-18T01:25:40Z"},{"alias_kind":"pith_short_12","alias_value":"E2USSZAIY5IU","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"E2USSZAIY5IUWCJE","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"E2USSZAI","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:0fe44246309e978678d8f2a28f5381b5cefdbde720c0daef22c8ba000906c153","target":"graph","created_at":"2026-05-18T01:25:40Z","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":"We show that a C*-algebra \"looking like\" a Cuntz-Krieger algebra is a Cuntz-Krieger algebra. This implies that, in an appropriate sense, the class of Cuntz-Krieger algebras is closed under extensions of real rank zero.","authors_text":"Rasmus Bentmann","cross_cats":["math.KT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2015-11-30T20:40:53Z","title":"Extensions of Cuntz-Krieger algebras"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09463","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:fde2be680b28b91854aae267a0c903e4c6daa530f6d959c61695ff09accdb766","target":"record","created_at":"2026-05-18T01:25:40Z","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":"ad7f551023cd3e8fbeef13a01b5a3aa3c832f871b93ea9f3b28bbb167140add3","cross_cats_sorted":["math.KT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2015-11-30T20:40:53Z","title_canon_sha256":"2a1596d3b28a11945afedc1481735c207ffbd55927631a3a97275350539e7bec"},"schema_version":"1.0","source":{"id":"1511.09463","kind":"arxiv","version":1}},"canonical_sha256":"26a9296408c7514b09247fd9e98f976be2f7c52dc75bb6f1901818eed7fd47a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26a9296408c7514b09247fd9e98f976be2f7c52dc75bb6f1901818eed7fd47a4","first_computed_at":"2026-05-18T01:25:40.184091Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:40.184091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l/lx6UfGe7nXpcQFSggf2R1aRQdO7MJ7nxn3EBSZOMb3+BQHgxcZxsWW8asRhUL5JUUcKasNU5NfGtl+nlkFBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:40.184796Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.09463","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fde2be680b28b91854aae267a0c903e4c6daa530f6d959c61695ff09accdb766","sha256:0fe44246309e978678d8f2a28f5381b5cefdbde720c0daef22c8ba000906c153"],"state_sha256":"28366df1a39362dcc92caf5e5627b539661b94daaee0c4b18509a2a92e4d3bbf"}