{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:I4UDA4D2JR2DB2624PGOMUFII3","short_pith_number":"pith:I4UDA4D2","canonical_record":{"source":{"id":"hep-th/9503099","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-03-15T16:11:00Z","cross_cats_sorted":[],"title_canon_sha256":"9c1e64078d6225b1c95324c1af0e4fb4b76de0e056185d89c8aa75262385a696","abstract_canon_sha256":"95b42b965ee55ee34db092638ae64e3199abf6b9abb25342e4009eedbe63a7aa"},"schema_version":"1.0"},"canonical_sha256":"472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6","source":{"kind":"arxiv","id":"hep-th/9503099","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9503099","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9503099v1","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9503099","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"pith_short_12","alias_value":"I4UDA4D2JR2D","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"pith_short_16","alias_value":"I4UDA4D2JR2DB262","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"pith_short_8","alias_value":"I4UDA4D2","created_at":"2026-07-04T15:59:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:I4UDA4D2JR2DB2624PGOMUFII3","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9503099","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1995-03-15T16:11:00Z","cross_cats_sorted":[],"title_canon_sha256":"9c1e64078d6225b1c95324c1af0e4fb4b76de0e056185d89c8aa75262385a696","abstract_canon_sha256":"95b42b965ee55ee34db092638ae64e3199abf6b9abb25342e4009eedbe63a7aa"},"schema_version":"1.0"},"canonical_sha256":"472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:59:20.262972Z","signature_b64":"tmJRmKCSsEJJWE3oCe9VYzPFjKg//VoolGOyqC6HB0/3oFJw1mhPVjp5QFh8jVputbI8dyzZLMhkoeScY/KnCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6","last_reissued_at":"2026-07-04T15:59:20.262575Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:59:20.262575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9503099","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":"2026-07-04T15:59:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X1sgEIsvv6dl1u3oSEE6Ok+CWd1IW8mIbsOW7+GyajAP7MBtRr8Saqb6UMvmwPjh5qICQH8H5jf7q/mYYA+BBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:28:07.433273Z"},"content_sha256":"2b65e9f9d9eba8d6b6034cc5031954b0ec9ea4c9f7f2da069b1fdca4b6a39390","schema_version":"1.0","event_id":"sha256:2b65e9f9d9eba8d6b6034cc5031954b0ec9ea4c9f7f2da069b1fdca4b6a39390"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:I4UDA4D2JR2DB2624PGOMUFII3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Super-Poincare Invariant Superstring Field Theory","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Nathan Berkovits","submitted_at":"1995-03-15T16:11:00Z","abstract_excerpt":"Using the topological techniques developed in an earlier paper with Vafa, a field theory action is constructed for any open string with critical N=2 worldsheet superconformal invariance. Instead of the Chern-Simons-like action found by Witten, this action resembles that of a Wess-Zumino-Witten model. For the N=2 string which describes (2,2) self-dual Yang-Mills, the string field generalizes the scalar field of Yang.\n  As was shown in recent papers, an N=2 string can also be used to describe the Green-Schwarz superstring in a Calabi-Yau background. In this case, one needs three types of string "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9503099","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/9503099/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":"2026-07-04T15:59:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gb9j4qWugnzUd/hEnDGxC9vg4+MWj/LIW34udgVF1EXJ2c1ZrtwoPbxPsDyUPUgc22ExwfsGH7Yg6QMA2RQnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:28:07.433876Z"},"content_sha256":"78f4c033f0b6a19a7a27a3f62549e5405045e7583426ed28870f6ff0cd3c61b7","schema_version":"1.0","event_id":"sha256:78f4c033f0b6a19a7a27a3f62549e5405045e7583426ed28870f6ff0cd3c61b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I4UDA4D2JR2DB2624PGOMUFII3/bundle.json","state_url":"https://pith.science/pith/I4UDA4D2JR2DB2624PGOMUFII3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I4UDA4D2JR2DB2624PGOMUFII3/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":"2026-08-06T16:28:07Z","links":{"resolver":"https://pith.science/pith/I4UDA4D2JR2DB2624PGOMUFII3","bundle":"https://pith.science/pith/I4UDA4D2JR2DB2624PGOMUFII3/bundle.json","state":"https://pith.science/pith/I4UDA4D2JR2DB2624PGOMUFII3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I4UDA4D2JR2DB2624PGOMUFII3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:I4UDA4D2JR2DB2624PGOMUFII3","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":"95b42b965ee55ee34db092638ae64e3199abf6b9abb25342e4009eedbe63a7aa","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-03-15T16:11:00Z","title_canon_sha256":"9c1e64078d6225b1c95324c1af0e4fb4b76de0e056185d89c8aa75262385a696"},"schema_version":"1.0","source":{"id":"hep-th/9503099","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9503099","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9503099v1","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9503099","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"pith_short_12","alias_value":"I4UDA4D2JR2D","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"pith_short_16","alias_value":"I4UDA4D2JR2DB262","created_at":"2026-07-04T15:59:20Z"},{"alias_kind":"pith_short_8","alias_value":"I4UDA4D2","created_at":"2026-07-04T15:59:20Z"}],"graph_snapshots":[{"event_id":"sha256:78f4c033f0b6a19a7a27a3f62549e5405045e7583426ed28870f6ff0cd3c61b7","target":"graph","created_at":"2026-07-04T15:59:20Z","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/9503099/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using the topological techniques developed in an earlier paper with Vafa, a field theory action is constructed for any open string with critical N=2 worldsheet superconformal invariance. Instead of the Chern-Simons-like action found by Witten, this action resembles that of a Wess-Zumino-Witten model. For the N=2 string which describes (2,2) self-dual Yang-Mills, the string field generalizes the scalar field of Yang.\n  As was shown in recent papers, an N=2 string can also be used to describe the Green-Schwarz superstring in a Calabi-Yau background. In this case, one needs three types of string ","authors_text":"Nathan Berkovits","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1995-03-15T16:11:00Z","title":"Super-Poincare Invariant Superstring Field Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9503099","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":"sha256:2b65e9f9d9eba8d6b6034cc5031954b0ec9ea4c9f7f2da069b1fdca4b6a39390","target":"record","created_at":"2026-07-04T15:59:20Z","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":"95b42b965ee55ee34db092638ae64e3199abf6b9abb25342e4009eedbe63a7aa","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1995-03-15T16:11:00Z","title_canon_sha256":"9c1e64078d6225b1c95324c1af0e4fb4b76de0e056185d89c8aa75262385a696"},"schema_version":"1.0","source":{"id":"hep-th/9503099","kind":"arxiv","version":1}},"canonical_sha256":"472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6","first_computed_at":"2026-07-04T15:59:20.262575Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:59:20.262575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tmJRmKCSsEJJWE3oCe9VYzPFjKg//VoolGOyqC6HB0/3oFJw1mhPVjp5QFh8jVputbI8dyzZLMhkoeScY/KnCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:59:20.262972Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9503099","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b65e9f9d9eba8d6b6034cc5031954b0ec9ea4c9f7f2da069b1fdca4b6a39390","sha256:78f4c033f0b6a19a7a27a3f62549e5405045e7583426ed28870f6ff0cd3c61b7"],"state_sha256":"05ce819da5ef4433aa9a98dcb4e98bf777cfbe14685c3f4bbf648f454b7e5434"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n/SdFxPeckAqdtR7kYYtGhRUOWzVGpphcwnV2yp1XRWYIkWJVf8JiY0R4ZiAAk7DqbaBYffQrAdsbTYDFHw9Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:28:07.437763Z","bundle_sha256":"c6c4273f412f49b0ec392b8cc92f86e15f8808b953f8a78ed0f90202656f5c84"}}