{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:6SGZLL7OYFYXW4YAXUHQWMLPNS","short_pith_number":"pith:6SGZLL7O","canonical_record":{"source":{"id":"hep-th/9510083","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-10-12T16:26:21Z","cross_cats_sorted":[],"title_canon_sha256":"9471b155eaca093a304908316ff89686b321d3c979ec93a95c64bd5a12211af9","abstract_canon_sha256":"ec012d29a6c5a9f152cadadd007364d631405cb9192214b9fc7a3db002632cf6"},"schema_version":"1.0"},"canonical_sha256":"f48d95afeec1717b7300bd0f0b316f6c839663c5c363d4134b6fe39f7e8485d6","source":{"kind":"arxiv","id":"hep-th/9510083","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9510083","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9510083v2","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9510083","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"pith_short_12","alias_value":"6SGZLL7OYFYX","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"pith_short_16","alias_value":"6SGZLL7OYFYXW4YA","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"pith_short_8","alias_value":"6SGZLL7O","created_at":"2026-07-04T15:59:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:6SGZLL7OYFYXW4YAXUHQWMLPNS","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9510083","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-10-12T16:26:21Z","cross_cats_sorted":[],"title_canon_sha256":"9471b155eaca093a304908316ff89686b321d3c979ec93a95c64bd5a12211af9","abstract_canon_sha256":"ec012d29a6c5a9f152cadadd007364d631405cb9192214b9fc7a3db002632cf6"},"schema_version":"1.0"},"canonical_sha256":"f48d95afeec1717b7300bd0f0b316f6c839663c5c363d4134b6fe39f7e8485d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:59:44.613234Z","signature_b64":"Ak6KVoSu2ygzBmC0r9qqfA+fzDCDkidd3e7uTwPgMY+rUTikuDJQLP6urflxP9aPGIjCE7oMR/dZUcg6xfOuAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f48d95afeec1717b7300bd0f0b316f6c839663c5c363d4134b6fe39f7e8485d6","last_reissued_at":"2026-07-04T15:59:44.612890Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:59:44.612890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9510083","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:59:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Teb9/aZcxmJfBgKBArRb7k74gCDWvxpEeWudR8WDbo7Bdk7wWWtMPIuMdcCKpwfMm16db1Z913XAlgQXDliAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T18:45:18.394034Z"},"content_sha256":"8c9e141db4ac6e668413f65c178106000c8b4dd5b07cb5653e25eb8770b064d3","schema_version":"1.0","event_id":"sha256:8c9e141db4ac6e668413f65c178106000c8b4dd5b07cb5653e25eb8770b064d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:6SGZLL7OYFYXW4YAXUHQWMLPNS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topologically nontrivial field configurations in noncommutative geometry","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"C. Klimcik, H. Grosse, P. Presnajder","submitted_at":"1995-10-12T16:26:21Z","abstract_excerpt":"In the framework of noncommutative geometry we describe spinor fields with nonvanishing winding number on a truncated (fuzzy) sphere. The corresponding field theory actions conserve all basic symmetries of the standard commutative version (space isometries and global chiral symmetry), but due to the noncommutativity of the space the fields are regularized and they contain only finite number of modes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9510083","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/9510083/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:59:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2zvpeVbaTOU4t2uwLwi8FqydFR1dgogXDEY7TA/gV32OmPGnE8t0aneAO5BWPMsX7qzH9fVBwQpG/+NwLbtIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T18:45:18.394637Z"},"content_sha256":"a7088f47f73c61b82d4433a82b7941a2eeded53441345ea6bc1b220916a2b75c","schema_version":"1.0","event_id":"sha256:a7088f47f73c61b82d4433a82b7941a2eeded53441345ea6bc1b220916a2b75c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS/bundle.json","state_url":"https://pith.science/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS/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":"2026-08-11T18:45:18Z","links":{"resolver":"https://pith.science/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS","bundle":"https://pith.science/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS/bundle.json","state":"https://pith.science/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6SGZLL7OYFYXW4YAXUHQWMLPNS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:6SGZLL7OYFYXW4YAXUHQWMLPNS","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":"ec012d29a6c5a9f152cadadd007364d631405cb9192214b9fc7a3db002632cf6","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-10-12T16:26:21Z","title_canon_sha256":"9471b155eaca093a304908316ff89686b321d3c979ec93a95c64bd5a12211af9"},"schema_version":"1.0","source":{"id":"hep-th/9510083","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9510083","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9510083v2","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9510083","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"pith_short_12","alias_value":"6SGZLL7OYFYX","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"pith_short_16","alias_value":"6SGZLL7OYFYXW4YA","created_at":"2026-07-04T15:59:44Z"},{"alias_kind":"pith_short_8","alias_value":"6SGZLL7O","created_at":"2026-07-04T15:59:44Z"}],"graph_snapshots":[{"event_id":"sha256:a7088f47f73c61b82d4433a82b7941a2eeded53441345ea6bc1b220916a2b75c","target":"graph","created_at":"2026-07-04T15:59:44Z","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/hep-th/9510083/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the framework of noncommutative geometry we describe spinor fields with nonvanishing winding number on a truncated (fuzzy) sphere. The corresponding field theory actions conserve all basic symmetries of the standard commutative version (space isometries and global chiral symmetry), but due to the noncommutativity of the space the fields are regularized and they contain only finite number of modes.","authors_text":"C. Klimcik, H. Grosse, P. Presnajder","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1995-10-12T16:26:21Z","title":"Topologically nontrivial field configurations in noncommutative geometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9510083","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":"sha256:8c9e141db4ac6e668413f65c178106000c8b4dd5b07cb5653e25eb8770b064d3","target":"record","created_at":"2026-07-04T15:59:44Z","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":"ec012d29a6c5a9f152cadadd007364d631405cb9192214b9fc7a3db002632cf6","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-10-12T16:26:21Z","title_canon_sha256":"9471b155eaca093a304908316ff89686b321d3c979ec93a95c64bd5a12211af9"},"schema_version":"1.0","source":{"id":"hep-th/9510083","kind":"arxiv","version":2}},"canonical_sha256":"f48d95afeec1717b7300bd0f0b316f6c839663c5c363d4134b6fe39f7e8485d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f48d95afeec1717b7300bd0f0b316f6c839663c5c363d4134b6fe39f7e8485d6","first_computed_at":"2026-07-04T15:59:44.612890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:59:44.612890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ak6KVoSu2ygzBmC0r9qqfA+fzDCDkidd3e7uTwPgMY+rUTikuDJQLP6urflxP9aPGIjCE7oMR/dZUcg6xfOuAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:59:44.613234Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9510083","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c9e141db4ac6e668413f65c178106000c8b4dd5b07cb5653e25eb8770b064d3","sha256:a7088f47f73c61b82d4433a82b7941a2eeded53441345ea6bc1b220916a2b75c"],"state_sha256":"07f73de230c8d7e849bcad80c7b96f75df9c6122d6ad8e83cc7645ec26af2033"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"440XOXqerDyqCeVpsEeVK+Rfs3Uusub/j3LqbnsZ9+kCJcW8arTNLxj9km6fjxzxaYRRqsCK0Z77Ro1CbQEMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T18:45:18.398121Z","bundle_sha256":"e9570342a9e629bb8af8aa905c8cd02f8ec518dc14567ee780da2dbe5f67b010"}}