{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:ZIH6SEB7XC3A5QGVSI6YQYP2ND","short_pith_number":"pith:ZIH6SEB7","canonical_record":{"source":{"id":"hep-th/9301010","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1993-01-04T13:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"d6f8f65b5e58c6bc0feab5e29e9c532533c4b2cf04b0ae98fdb8dd0c179b6edc","abstract_canon_sha256":"820b7cd81fba097a44cce0e8541f5caf69ee7f40ff319c0cc176875e4a034533"},"schema_version":"1.0"},"canonical_sha256":"ca0fe9103fb8b60ec0d5923d8861fa68d8c6b1d5d163bab8c430acac06896225","source":{"kind":"arxiv","id":"hep-th/9301010","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9301010","created_at":"2026-05-18T01:38:43Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9301010v1","created_at":"2026-05-18T01:38:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9301010","created_at":"2026-05-18T01:38:43Z"},{"alias_kind":"pith_short_12","alias_value":"ZIH6SEB7XC3A","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZIH6SEB7XC3A5QGV","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZIH6SEB7","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:ZIH6SEB7XC3A5QGVSI6YQYP2ND","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9301010","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1993-01-04T13:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"d6f8f65b5e58c6bc0feab5e29e9c532533c4b2cf04b0ae98fdb8dd0c179b6edc","abstract_canon_sha256":"820b7cd81fba097a44cce0e8541f5caf69ee7f40ff319c0cc176875e4a034533"},"schema_version":"1.0"},"canonical_sha256":"ca0fe9103fb8b60ec0d5923d8861fa68d8c6b1d5d163bab8c430acac06896225","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:43.037114Z","signature_b64":"VEpwgDLLC42Fk3HVrz+e9GHE7PZLrtBpSqjbftoQYXwVOtLJ9SQCIrnhaV+NEN2eXmRPLBMOqtAunU/IIQxADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca0fe9103fb8b60ec0d5923d8861fa68d8c6b1d5d163bab8c430acac06896225","last_reissued_at":"2026-05-18T01:38:43.036735Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:43.036735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9301010","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:38:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8B29Ww9hVfwIb+krKzfpdUt3s7tSJwXfnyFEglXm6Z0cZxeJj9qslNGTRHbJqaO8A/LQjRoyWOIsQxPsSrOGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:15:52.301642Z"},"content_sha256":"eb4d7c8d98cb2ea8c311686c92b0cb0d3d15d5b8f02a02d34661d9fb199b107f","schema_version":"1.0","event_id":"sha256:eb4d7c8d98cb2ea8c311686c92b0cb0d3d15d5b8f02a02d34661d9fb199b107f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:ZIH6SEB7XC3A5QGVSI6YQYP2ND","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New $N = 4$ Superconformal Algebra","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Abbas Ali, Alok Kumar","submitted_at":"1993-01-04T13:06:16Z","abstract_excerpt":"It is shown that the previously known $N=3$ and $N=4$ superconformal algebras can be contracted consistently by singular scaling of some of the generators. For the later case, by a contraction which depends on the central term, we obtain a new $N=4$ superconformal algebra which contains an $SU(2)\\times {U(1)}^4$ Kac-Moody subalgebra and has nonzero central extension."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9301010","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:38:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K/cx3MMQT8HYtDppdrSESXtXbG0zKHttB3FkYovYHt/+ZHPDhH+tMmPex/4702l6z6quChTPcItqWBiegJDXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:15:52.301973Z"},"content_sha256":"3d64df25db7d5ed126e5ad54921b018fdc667efc6b36cca268bec79913de67a0","schema_version":"1.0","event_id":"sha256:3d64df25db7d5ed126e5ad54921b018fdc667efc6b36cca268bec79913de67a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND/bundle.json","state_url":"https://pith.science/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND/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":"2026-06-01T17:15:52Z","links":{"resolver":"https://pith.science/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND","bundle":"https://pith.science/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND/bundle.json","state":"https://pith.science/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZIH6SEB7XC3A5QGVSI6YQYP2ND/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:ZIH6SEB7XC3A5QGVSI6YQYP2ND","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":"820b7cd81fba097a44cce0e8541f5caf69ee7f40ff319c0cc176875e4a034533","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1993-01-04T13:06:16Z","title_canon_sha256":"d6f8f65b5e58c6bc0feab5e29e9c532533c4b2cf04b0ae98fdb8dd0c179b6edc"},"schema_version":"1.0","source":{"id":"hep-th/9301010","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9301010","created_at":"2026-05-18T01:38:43Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9301010v1","created_at":"2026-05-18T01:38:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9301010","created_at":"2026-05-18T01:38:43Z"},{"alias_kind":"pith_short_12","alias_value":"ZIH6SEB7XC3A","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZIH6SEB7XC3A5QGV","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZIH6SEB7","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:3d64df25db7d5ed126e5ad54921b018fdc667efc6b36cca268bec79913de67a0","target":"graph","created_at":"2026-05-18T01:38:43Z","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":"It is shown that the previously known $N=3$ and $N=4$ superconformal algebras can be contracted consistently by singular scaling of some of the generators. For the later case, by a contraction which depends on the central term, we obtain a new $N=4$ superconformal algebra which contains an $SU(2)\\times {U(1)}^4$ Kac-Moody subalgebra and has nonzero central extension.","authors_text":"Abbas Ali, Alok Kumar","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1993-01-04T13:06:16Z","title":"A New $N = 4$ Superconformal Algebra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9301010","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:eb4d7c8d98cb2ea8c311686c92b0cb0d3d15d5b8f02a02d34661d9fb199b107f","target":"record","created_at":"2026-05-18T01:38:43Z","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":"820b7cd81fba097a44cce0e8541f5caf69ee7f40ff319c0cc176875e4a034533","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1993-01-04T13:06:16Z","title_canon_sha256":"d6f8f65b5e58c6bc0feab5e29e9c532533c4b2cf04b0ae98fdb8dd0c179b6edc"},"schema_version":"1.0","source":{"id":"hep-th/9301010","kind":"arxiv","version":1}},"canonical_sha256":"ca0fe9103fb8b60ec0d5923d8861fa68d8c6b1d5d163bab8c430acac06896225","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca0fe9103fb8b60ec0d5923d8861fa68d8c6b1d5d163bab8c430acac06896225","first_computed_at":"2026-05-18T01:38:43.036735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:43.036735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VEpwgDLLC42Fk3HVrz+e9GHE7PZLrtBpSqjbftoQYXwVOtLJ9SQCIrnhaV+NEN2eXmRPLBMOqtAunU/IIQxADw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:43.037114Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9301010","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb4d7c8d98cb2ea8c311686c92b0cb0d3d15d5b8f02a02d34661d9fb199b107f","sha256:3d64df25db7d5ed126e5ad54921b018fdc667efc6b36cca268bec79913de67a0"],"state_sha256":"de1172a2c542fcbc2c42f583c49d9290f92c6dfc2f25bb9284d1d7763c3bdd8d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYgktX3DpzRIP/H2OHU5W4gS7sbEs7cGxPCOwM+XoOsZAn71hTO6JJ2a3r4xf1IvqwvlD0KGg22lZc745n2PDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:15:52.303842Z","bundle_sha256":"366ab76c876c59d6bc6f29d90ac75241c462b8926aece1b734f02a18480d2c50"}}