{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:ZTW333P6NFKU4ASN2M4GSE3HAA","short_pith_number":"pith:ZTW333P6","canonical_record":{"source":{"id":"hep-th/9608078","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1996-08-12T21:29:06Z","cross_cats_sorted":[],"title_canon_sha256":"f37030ee5bd4e12a7450f2f8c50b77626c1eb57e3262b433273d29a0058c84a9","abstract_canon_sha256":"4cd6443e2d15606499f5f358429d5a7c0412a481fd525ae6fbd2301bf234c9c2"},"schema_version":"1.0"},"canonical_sha256":"ccedbdedfe69554e024dd338691367003c400a6c662df3ba272d599033b56b09","source":{"kind":"arxiv","id":"hep-th/9608078","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9608078","created_at":"2026-05-18T01:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9608078v1","created_at":"2026-05-18T01:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9608078","created_at":"2026-05-18T01:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"ZTW333P6NFKU","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"ZTW333P6NFKU4ASN","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"ZTW333P6","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:ZTW333P6NFKU4ASN2M4GSE3HAA","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9608078","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1996-08-12T21:29:06Z","cross_cats_sorted":[],"title_canon_sha256":"f37030ee5bd4e12a7450f2f8c50b77626c1eb57e3262b433273d29a0058c84a9","abstract_canon_sha256":"4cd6443e2d15606499f5f358429d5a7c0412a481fd525ae6fbd2301bf234c9c2"},"schema_version":"1.0"},"canonical_sha256":"ccedbdedfe69554e024dd338691367003c400a6c662df3ba272d599033b56b09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:37.834696Z","signature_b64":"ycUS6ZQdagIcGLjSp8YEk/f45bM1qeOIAiDLFRxbVj+5j+rN3x6wfRuwatFzGPNyTDAru4B4LlktvGnxWnI7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccedbdedfe69554e024dd338691367003c400a6c662df3ba272d599033b56b09","last_reissued_at":"2026-05-18T01:38:37.834201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:37.834201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9608078","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":"2026-05-18T01:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lLZjmAbBK13El8WILwBlCrMxEui0h1Z5p8jGpX5+yPba8kbCAijTTNFh2NNW5fexmK55HmUzGuwxAdm//Su3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:09:39.392271Z"},"content_sha256":"7496f503e11d0e9a78c3ac2ee66cf0c3d72e91f49944eac9445c79e9fb69b692","schema_version":"1.0","event_id":"sha256:7496f503e11d0e9a78c3ac2ee66cf0c3d72e91f49944eac9445c79e9fb69b692"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:ZTW333P6NFKU4ASN2M4GSE3HAA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Covariant Computation of the Low Energy Effective Action of the Heterotic Superstring","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Jan de Boer, Kostas Skenderis","submitted_at":"1996-08-12T21:29:06Z","abstract_excerpt":"We derive the low energy effective action of the heterotic superstring in superspace. This is achieved by coupling the covariantly quantized Green-Schwarz superstring of Berkovits to a curved background and requiring that the sigma model has superconformal invariance at tree level and at one loop in $\\a'$. Tree level superconformal invariance yields the complete supergravity algebra, and one-loop superconformal invariance the equations of motion of the low energy theory. The resulting low energy theory is old-minimal supergravity coupled to a tensor multiplet. The dilaton is part of the compen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9608078","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":"2026-05-18T01:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B+OYqmQSvDbqanNsvZLgYIPJZZGiACUrnEpj11pB1LKxY/Lv7PKyCgCbaOAu06ewL+1vM3g8/rnwaZZwM5EBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:09:39.392911Z"},"content_sha256":"e0084da6a7df9d8806dfe74118141899d0cff4fe6eb5a980966dd0a176e7dc82","schema_version":"1.0","event_id":"sha256:e0084da6a7df9d8806dfe74118141899d0cff4fe6eb5a980966dd0a176e7dc82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZTW333P6NFKU4ASN2M4GSE3HAA/bundle.json","state_url":"https://pith.science/pith/ZTW333P6NFKU4ASN2M4GSE3HAA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZTW333P6NFKU4ASN2M4GSE3HAA/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":"2026-05-28T20:09:39Z","links":{"resolver":"https://pith.science/pith/ZTW333P6NFKU4ASN2M4GSE3HAA","bundle":"https://pith.science/pith/ZTW333P6NFKU4ASN2M4GSE3HAA/bundle.json","state":"https://pith.science/pith/ZTW333P6NFKU4ASN2M4GSE3HAA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZTW333P6NFKU4ASN2M4GSE3HAA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:ZTW333P6NFKU4ASN2M4GSE3HAA","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":"4cd6443e2d15606499f5f358429d5a7c0412a481fd525ae6fbd2301bf234c9c2","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1996-08-12T21:29:06Z","title_canon_sha256":"f37030ee5bd4e12a7450f2f8c50b77626c1eb57e3262b433273d29a0058c84a9"},"schema_version":"1.0","source":{"id":"hep-th/9608078","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9608078","created_at":"2026-05-18T01:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9608078v1","created_at":"2026-05-18T01:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9608078","created_at":"2026-05-18T01:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"ZTW333P6NFKU","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"ZTW333P6NFKU4ASN","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"ZTW333P6","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:e0084da6a7df9d8806dfe74118141899d0cff4fe6eb5a980966dd0a176e7dc82","target":"graph","created_at":"2026-05-18T01:38:37Z","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 derive the low energy effective action of the heterotic superstring in superspace. This is achieved by coupling the covariantly quantized Green-Schwarz superstring of Berkovits to a curved background and requiring that the sigma model has superconformal invariance at tree level and at one loop in $\\a'$. Tree level superconformal invariance yields the complete supergravity algebra, and one-loop superconformal invariance the equations of motion of the low energy theory. The resulting low energy theory is old-minimal supergravity coupled to a tensor multiplet. The dilaton is part of the compen","authors_text":"Jan de Boer, Kostas Skenderis","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1996-08-12T21:29:06Z","title":"Covariant Computation of the Low Energy Effective Action of the Heterotic Superstring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9608078","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":"sha256:7496f503e11d0e9a78c3ac2ee66cf0c3d72e91f49944eac9445c79e9fb69b692","target":"record","created_at":"2026-05-18T01:38:37Z","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":"4cd6443e2d15606499f5f358429d5a7c0412a481fd525ae6fbd2301bf234c9c2","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1996-08-12T21:29:06Z","title_canon_sha256":"f37030ee5bd4e12a7450f2f8c50b77626c1eb57e3262b433273d29a0058c84a9"},"schema_version":"1.0","source":{"id":"hep-th/9608078","kind":"arxiv","version":1}},"canonical_sha256":"ccedbdedfe69554e024dd338691367003c400a6c662df3ba272d599033b56b09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccedbdedfe69554e024dd338691367003c400a6c662df3ba272d599033b56b09","first_computed_at":"2026-05-18T01:38:37.834201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:37.834201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ycUS6ZQdagIcGLjSp8YEk/f45bM1qeOIAiDLFRxbVj+5j+rN3x6wfRuwatFzGPNyTDAru4B4LlktvGnxWnI7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:37.834696Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9608078","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7496f503e11d0e9a78c3ac2ee66cf0c3d72e91f49944eac9445c79e9fb69b692","sha256:e0084da6a7df9d8806dfe74118141899d0cff4fe6eb5a980966dd0a176e7dc82"],"state_sha256":"08807caab0354cb96b5ddbd851d8ca3cfff14f5e78fffb863278cb7d6523a6f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h4SiAu3Yc89vU17GDfzzIqtdL/wFeofFYVY7DnTzyZ4YIfF71fwUouNmWEfWhFf5Kxfnw+q3svdfiFZeFbCJAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:09:39.396489Z","bundle_sha256":"290b6fce55ba2fdb4bd679b835ee077e55abb32a743fcc89de722ffa969db4aa"}}