{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MSBNZVD4GM6W4MDKTVOLFRARU6","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":"9c87c4f52299834d77d163f7ed87a67f71d1d532a9e4682348bcdc98637d0bc0","cross_cats_sorted":["math.FA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2018-01-08T15:11:38Z","title_canon_sha256":"7c187ee1e1678ae2924ca1b2b47514507d375ad11a1bcdc5efbd30f2d31c9ff3"},"schema_version":"1.0","source":{"id":"1801.02473","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02473","created_at":"2026-05-18T00:26:22Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02473v2","created_at":"2026-05-18T00:26:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02473","created_at":"2026-05-18T00:26:22Z"},{"alias_kind":"pith_short_12","alias_value":"MSBNZVD4GM6W","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MSBNZVD4GM6W4MDK","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MSBNZVD4","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:ff88a070817fd565eccd25ad612d5b689b5f9e0c788df6bd82b3cc3754000824","target":"graph","created_at":"2026-05-18T00:26:22Z","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 survey the most recent results on extension of isometries between special subsets of the unit spheres of C$^*$-algebras, von Neumann algebras, trace class operators, preduals of von Neumann algebras, and $p$-Schatten-von Neumann spaces, with special interest on Tingley's problem.","authors_text":"Antonio M. Peralta","cross_cats":["math.FA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2018-01-08T15:11:38Z","title":"A survey on Tingley's problem for operator algebras"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02473","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":"sha256:225b7ee154a434b416a0824d2308ff7895d01b7f0d335d6991c734f599b14e69","target":"record","created_at":"2026-05-18T00:26:22Z","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":"9c87c4f52299834d77d163f7ed87a67f71d1d532a9e4682348bcdc98637d0bc0","cross_cats_sorted":["math.FA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OA","submitted_at":"2018-01-08T15:11:38Z","title_canon_sha256":"7c187ee1e1678ae2924ca1b2b47514507d375ad11a1bcdc5efbd30f2d31c9ff3"},"schema_version":"1.0","source":{"id":"1801.02473","kind":"arxiv","version":2}},"canonical_sha256":"6482dcd47c333d6e306a9d5cb2c411a7a6ce878aa90290172ee505271ae735b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6482dcd47c333d6e306a9d5cb2c411a7a6ce878aa90290172ee505271ae735b4","first_computed_at":"2026-05-18T00:26:22.915361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:22.915361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qFk/i6XnFrVZ1w9iy20yj2NCWuQBT4bgLZ9J0E9d85bKXdyCvsBNLcMaRRF13swQuRicHL4LiLbNDl2EPhaADw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:22.916274Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.02473","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:225b7ee154a434b416a0824d2308ff7895d01b7f0d335d6991c734f599b14e69","sha256:ff88a070817fd565eccd25ad612d5b689b5f9e0c788df6bd82b3cc3754000824"],"state_sha256":"7ed72c97b98e50b0d16d178cb23e58948e24f160b81d4f1feada30693ac57efa"}