{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7SZXRWTGEL6IJ7O6OJBCFJVP75","short_pith_number":"pith:7SZXRWTG","canonical_record":{"source":{"id":"1306.2501","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-06-11T12:27:38Z","cross_cats_sorted":[],"title_canon_sha256":"6139bc24828667547cdeb760e23f9c0ffa3acf84d29bff5f778f1f704730857b","abstract_canon_sha256":"7d9f1647cd2f68c6bca8388b881ac4320b4668eaff8f64ed466c573822b4f4a3"},"schema_version":"1.0"},"canonical_sha256":"fcb378da6622fc84fdde724222a6afff403f6af0f28f0d32286de90405910091","source":{"kind":"arxiv","id":"1306.2501","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.2501","created_at":"2026-05-18T01:49:23Z"},{"alias_kind":"arxiv_version","alias_value":"1306.2501v3","created_at":"2026-05-18T01:49:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.2501","created_at":"2026-05-18T01:49:23Z"},{"alias_kind":"pith_short_12","alias_value":"7SZXRWTGEL6I","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7SZXRWTGEL6IJ7O6","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7SZXRWTG","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7SZXRWTGEL6IJ7O6OJBCFJVP75","target":"record","payload":{"canonical_record":{"source":{"id":"1306.2501","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-06-11T12:27:38Z","cross_cats_sorted":[],"title_canon_sha256":"6139bc24828667547cdeb760e23f9c0ffa3acf84d29bff5f778f1f704730857b","abstract_canon_sha256":"7d9f1647cd2f68c6bca8388b881ac4320b4668eaff8f64ed466c573822b4f4a3"},"schema_version":"1.0"},"canonical_sha256":"fcb378da6622fc84fdde724222a6afff403f6af0f28f0d32286de90405910091","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:23.719468Z","signature_b64":"QoCd1OCeGtPyCshpdINuSG/gOajMZ50fenE4DXfNRbxgiViDiTKZfQt0QT0MkLoUVhbtAAT125CMVduqu2W7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcb378da6622fc84fdde724222a6afff403f6af0f28f0d32286de90405910091","last_reissued_at":"2026-05-18T01:49:23.718791Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:23.718791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.2501","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:49:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KWbMeYsKvj/fgqBoHB/8jmiPiEnud9zppdtCMQKOFFXI5MuXvg1XYY92XBkqu9hGsaabe0KkJp4ESwhZcqYbBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:38:22.280809Z"},"content_sha256":"5d18a0725495ba43dda8b9e908c2245ccb8a38d939cfe93dcf9c588c3f5f319c","schema_version":"1.0","event_id":"sha256:5d18a0725495ba43dda8b9e908c2245ccb8a38d939cfe93dcf9c588c3f5f319c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7SZXRWTGEL6IJ7O6OJBCFJVP75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The structure of the R^8 term in type IIB string theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Anirban Basu","submitted_at":"2013-06-11T12:27:38Z","abstract_excerpt":"Based on the structure of the on-shell linearized superspace of type IIB supergravity, we argue that there is a non--BPS 16 derivative interaction in the effective action of type IIB string theory of the form (t_8 t_8 R^4)^2, which we call the R^8 interaction. It lies in the same supermultiplet as the G^8 R^4 interaction. Using the KLT relation, we analyse the structure of the tree level eight graviton scattering amplitude in the type IIB theory, which leads to the R^8 interaction at the linearized level. This involves an analysis of color ordered multi-gluon disc amplitudes in the type I theo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.2501","kind":"arxiv","version":3},"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":"2026-05-18T01:49:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ms96HoFwU5tJaWPuKXsUg8d0z3M6AvW0Dbmo/c70MF2mJqsSsBN3neIPeZmU+OpwqsYB4mxlkfwnDyQVAdiFCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:38:22.281492Z"},"content_sha256":"a290215bc646aeeb466602313717b5b4e84ec32e7e0d2842698772b096ff1d12","schema_version":"1.0","event_id":"sha256:a290215bc646aeeb466602313717b5b4e84ec32e7e0d2842698772b096ff1d12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75/bundle.json","state_url":"https://pith.science/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75/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":"2026-05-27T21:38:22Z","links":{"resolver":"https://pith.science/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75","bundle":"https://pith.science/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75/bundle.json","state":"https://pith.science/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SZXRWTGEL6IJ7O6OJBCFJVP75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7SZXRWTGEL6IJ7O6OJBCFJVP75","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":"7d9f1647cd2f68c6bca8388b881ac4320b4668eaff8f64ed466c573822b4f4a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-06-11T12:27:38Z","title_canon_sha256":"6139bc24828667547cdeb760e23f9c0ffa3acf84d29bff5f778f1f704730857b"},"schema_version":"1.0","source":{"id":"1306.2501","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.2501","created_at":"2026-05-18T01:49:23Z"},{"alias_kind":"arxiv_version","alias_value":"1306.2501v3","created_at":"2026-05-18T01:49:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.2501","created_at":"2026-05-18T01:49:23Z"},{"alias_kind":"pith_short_12","alias_value":"7SZXRWTGEL6I","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7SZXRWTGEL6IJ7O6","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7SZXRWTG","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:a290215bc646aeeb466602313717b5b4e84ec32e7e0d2842698772b096ff1d12","target":"graph","created_at":"2026-05-18T01:49:23Z","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":"Based on the structure of the on-shell linearized superspace of type IIB supergravity, we argue that there is a non--BPS 16 derivative interaction in the effective action of type IIB string theory of the form (t_8 t_8 R^4)^2, which we call the R^8 interaction. It lies in the same supermultiplet as the G^8 R^4 interaction. Using the KLT relation, we analyse the structure of the tree level eight graviton scattering amplitude in the type IIB theory, which leads to the R^8 interaction at the linearized level. This involves an analysis of color ordered multi-gluon disc amplitudes in the type I theo","authors_text":"Anirban Basu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-06-11T12:27:38Z","title":"The structure of the R^8 term in type IIB string theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.2501","kind":"arxiv","version":3},"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":"sha256:5d18a0725495ba43dda8b9e908c2245ccb8a38d939cfe93dcf9c588c3f5f319c","target":"record","created_at":"2026-05-18T01:49:23Z","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":"7d9f1647cd2f68c6bca8388b881ac4320b4668eaff8f64ed466c573822b4f4a3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-06-11T12:27:38Z","title_canon_sha256":"6139bc24828667547cdeb760e23f9c0ffa3acf84d29bff5f778f1f704730857b"},"schema_version":"1.0","source":{"id":"1306.2501","kind":"arxiv","version":3}},"canonical_sha256":"fcb378da6622fc84fdde724222a6afff403f6af0f28f0d32286de90405910091","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcb378da6622fc84fdde724222a6afff403f6af0f28f0d32286de90405910091","first_computed_at":"2026-05-18T01:49:23.718791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:23.718791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QoCd1OCeGtPyCshpdINuSG/gOajMZ50fenE4DXfNRbxgiViDiTKZfQt0QT0MkLoUVhbtAAT125CMVduqu2W7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:23.719468Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.2501","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d18a0725495ba43dda8b9e908c2245ccb8a38d939cfe93dcf9c588c3f5f319c","sha256:a290215bc646aeeb466602313717b5b4e84ec32e7e0d2842698772b096ff1d12"],"state_sha256":"32740e01167511da7aa27bcb9f347ed8aa124b70776fdcc15675d3be7c25e7b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/HO8Bv4hRhZXlai28TsVgg/LLKj25W5IXe+yNzah0hqxcPwvi30aIQtMeQBZ0iQa55tLUINJreMt5vu5BckSAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:38:22.285118Z","bundle_sha256":"ba11c544f69ae4f1dc6bb441dc75feaf1b1df00687b3cd1983ab518deca0c803"}}