{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:CICOLG5YRKV6ISH2C27GCQICE5","short_pith_number":"pith:CICOLG5Y","canonical_record":{"source":{"id":"hep-th/9504121","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-04-24T17:39:56Z","cross_cats_sorted":[],"title_canon_sha256":"951025d04de9b59ef3c33be1f19f6ad9182c93fd6d919f64ff8c134c6503c63c","abstract_canon_sha256":"e843eebf5575290fbc81865d87adc13dda6ff8cd71b8d2c95b5027d6cbcf7d7f"},"schema_version":"1.0"},"canonical_sha256":"1204e59bb88aabe448fa16be61410227797722f2f1af5f6b2264950e9ac188f4","source":{"kind":"arxiv","id":"hep-th/9504121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9504121","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9504121v1","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9504121","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"pith_short_12","alias_value":"CICOLG5YRKV6","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"pith_short_16","alias_value":"CICOLG5YRKV6ISH2","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"pith_short_8","alias_value":"CICOLG5Y","created_at":"2026-07-04T15:53:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:CICOLG5YRKV6ISH2C27GCQICE5","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9504121","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-04-24T17:39:56Z","cross_cats_sorted":[],"title_canon_sha256":"951025d04de9b59ef3c33be1f19f6ad9182c93fd6d919f64ff8c134c6503c63c","abstract_canon_sha256":"e843eebf5575290fbc81865d87adc13dda6ff8cd71b8d2c95b5027d6cbcf7d7f"},"schema_version":"1.0"},"canonical_sha256":"1204e59bb88aabe448fa16be61410227797722f2f1af5f6b2264950e9ac188f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:53:52.133915Z","signature_b64":"Gwzv86p4uLShT6PcSgX9LuT/kSk8LURN3YiZjOR3e8RQhcDiiGHLQxt2RlIVGmjN0Ro3i8U3Npo5fAWWss8qCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1204e59bb88aabe448fa16be61410227797722f2f1af5f6b2264950e9ac188f4","last_reissued_at":"2026-07-04T15:53:52.133577Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:53:52.133577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9504121","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":"2026-07-04T15:53:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LhSewEI1BFLYSIp4xT5wHFqLwRjDcN/73FgrfW4rK6S/FLjPtAxhVj+dFbYUv1RYEUfXPOQzUrsw8IbUGXc0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:31:58.158036Z"},"content_sha256":"d036cb31292712eb69a0e3d3c607448f6f70ed80b8db776d56426016842c6454","schema_version":"1.0","event_id":"sha256:d036cb31292712eb69a0e3d3c607448f6f70ed80b8db776d56426016842c6454"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:CICOLG5YRKV6ISH2C27GCQICE5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$N=1$ Superstring in $2+2$ Dimensions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"C.N. Pope, E. Sezgin, H. Lu, K.W. Xu, X.J. Wang, Z. Khviengia","submitted_at":"1995-04-24T17:39:56Z","abstract_excerpt":"In this paper we construct a $(2,2)$ dimensional string theory with manifest $N=1$ spacetime supersymmetry. We use Berkovits' approach of augmenting the spacetime supercoordinates by the conjugate momenta for the fermionic variables. The worldsheet symmetry algebra is a twisted and truncated ``small'' $N=4$ superconformal algebra. The realisation of the symmetry algebra is reducible with an infinite order of reducibility. We study the physical states of the theory by two different methods. In one of them, we identify a subset of irreducible constraints, which is by itself critical. We construc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9504121","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/9504121/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":"2026-07-04T15:53:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OLOPntIg9nI5M883Pmqb3MFlVz0y3TJ2S0l/sTNtlKFStPbmdgpFwi9QEcrD/s6FnUMQILSjqoCCiM7OOccxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:31:58.159275Z"},"content_sha256":"82267a5a23b4e7d01ef537d768cbd966e6343c4f6959d6cccc830c7002b9f81c","schema_version":"1.0","event_id":"sha256:82267a5a23b4e7d01ef537d768cbd966e6343c4f6959d6cccc830c7002b9f81c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CICOLG5YRKV6ISH2C27GCQICE5/bundle.json","state_url":"https://pith.science/pith/CICOLG5YRKV6ISH2C27GCQICE5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CICOLG5YRKV6ISH2C27GCQICE5/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":"2026-08-05T12:31:58Z","links":{"resolver":"https://pith.science/pith/CICOLG5YRKV6ISH2C27GCQICE5","bundle":"https://pith.science/pith/CICOLG5YRKV6ISH2C27GCQICE5/bundle.json","state":"https://pith.science/pith/CICOLG5YRKV6ISH2C27GCQICE5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CICOLG5YRKV6ISH2C27GCQICE5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:CICOLG5YRKV6ISH2C27GCQICE5","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":"e843eebf5575290fbc81865d87adc13dda6ff8cd71b8d2c95b5027d6cbcf7d7f","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-04-24T17:39:56Z","title_canon_sha256":"951025d04de9b59ef3c33be1f19f6ad9182c93fd6d919f64ff8c134c6503c63c"},"schema_version":"1.0","source":{"id":"hep-th/9504121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9504121","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9504121v1","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9504121","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"pith_short_12","alias_value":"CICOLG5YRKV6","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"pith_short_16","alias_value":"CICOLG5YRKV6ISH2","created_at":"2026-07-04T15:53:52Z"},{"alias_kind":"pith_short_8","alias_value":"CICOLG5Y","created_at":"2026-07-04T15:53:52Z"}],"graph_snapshots":[{"event_id":"sha256:82267a5a23b4e7d01ef537d768cbd966e6343c4f6959d6cccc830c7002b9f81c","target":"graph","created_at":"2026-07-04T15:53:52Z","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/9504121/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper we construct a $(2,2)$ dimensional string theory with manifest $N=1$ spacetime supersymmetry. We use Berkovits' approach of augmenting the spacetime supercoordinates by the conjugate momenta for the fermionic variables. The worldsheet symmetry algebra is a twisted and truncated ``small'' $N=4$ superconformal algebra. The realisation of the symmetry algebra is reducible with an infinite order of reducibility. We study the physical states of the theory by two different methods. In one of them, we identify a subset of irreducible constraints, which is by itself critical. We construc","authors_text":"C.N. Pope, E. Sezgin, H. Lu, K.W. Xu, X.J. Wang, Z. Khviengia","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1995-04-24T17:39:56Z","title":"$N=1$ Superstring in $2+2$ Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9504121","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:d036cb31292712eb69a0e3d3c607448f6f70ed80b8db776d56426016842c6454","target":"record","created_at":"2026-07-04T15:53:52Z","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":"e843eebf5575290fbc81865d87adc13dda6ff8cd71b8d2c95b5027d6cbcf7d7f","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-04-24T17:39:56Z","title_canon_sha256":"951025d04de9b59ef3c33be1f19f6ad9182c93fd6d919f64ff8c134c6503c63c"},"schema_version":"1.0","source":{"id":"hep-th/9504121","kind":"arxiv","version":1}},"canonical_sha256":"1204e59bb88aabe448fa16be61410227797722f2f1af5f6b2264950e9ac188f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1204e59bb88aabe448fa16be61410227797722f2f1af5f6b2264950e9ac188f4","first_computed_at":"2026-07-04T15:53:52.133577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:53:52.133577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gwzv86p4uLShT6PcSgX9LuT/kSk8LURN3YiZjOR3e8RQhcDiiGHLQxt2RlIVGmjN0Ro3i8U3Npo5fAWWss8qCw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:53:52.133915Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9504121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d036cb31292712eb69a0e3d3c607448f6f70ed80b8db776d56426016842c6454","sha256:82267a5a23b4e7d01ef537d768cbd966e6343c4f6959d6cccc830c7002b9f81c"],"state_sha256":"80d9dda9822f0cbf9f4677b4aa7f2fe1296ce5bd23ce5e48ac095fcabaad65b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p55rDeiCyVnCZcEmj+zRDiyi/Mqd9QAmEjvb8HUdyFly7l15YoQnqBNHnJbQDcGhfPZiw75GdvK4gfGCt6jRBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:31:58.167484Z","bundle_sha256":"2a35a1780392d9dc464438692ffd8ac639ed28c3a9059c5b85978be8f74fba88"}}