{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DMEO3YBTAFAX7XFPXA5X4FYAPF","short_pith_number":"pith:DMEO3YBT","canonical_record":{"source":{"id":"1608.01300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-08-03T19:39:43Z","cross_cats_sorted":[],"title_canon_sha256":"5f3c25200318561c5bcdfc9436071037eb472b3c2038b86e211528a1c6f416f2","abstract_canon_sha256":"8a4d42581a15cc3ed3cbea0b2c84528f06af3ddb32b8a32d6f3b3fde4f4f9fea"},"schema_version":"1.0"},"canonical_sha256":"1b08ede03301417fdcafb83b7e170079472a80e6d5666a4cffb8dc2f49f63d6f","source":{"kind":"arxiv","id":"1608.01300","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01300","created_at":"2026-05-18T00:51:47Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01300v2","created_at":"2026-05-18T00:51:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01300","created_at":"2026-05-18T00:51:47Z"},{"alias_kind":"pith_short_12","alias_value":"DMEO3YBTAFAX","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DMEO3YBTAFAX7XFP","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DMEO3YBT","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DMEO3YBTAFAX7XFPXA5X4FYAPF","target":"record","payload":{"canonical_record":{"source":{"id":"1608.01300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-08-03T19:39:43Z","cross_cats_sorted":[],"title_canon_sha256":"5f3c25200318561c5bcdfc9436071037eb472b3c2038b86e211528a1c6f416f2","abstract_canon_sha256":"8a4d42581a15cc3ed3cbea0b2c84528f06af3ddb32b8a32d6f3b3fde4f4f9fea"},"schema_version":"1.0"},"canonical_sha256":"1b08ede03301417fdcafb83b7e170079472a80e6d5666a4cffb8dc2f49f63d6f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:47.491386Z","signature_b64":"Qv3WntXxxPXdi/2053BIWHJusDtO5ehG4Husm2AT1bUxQg7a0BlmQyiu7nr+H1jnsnIC/ByuGAOv2E+YIvqxAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b08ede03301417fdcafb83b7e170079472a80e6d5666a4cffb8dc2f49f63d6f","last_reissued_at":"2026-05-18T00:51:47.490665Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:47.490665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.01300","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:51:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ne+wuoU4azfDNP5fC9OcQ92wo6eKPA7XTvsRF9ujFjK0TeD9Kb/olXiS70uetnb+xKzhxk2OLSya+WF6Tn6UCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:22:00.900716Z"},"content_sha256":"7c586c4c3c14c8296c95bbeffcfcf7c19b291d94a772b160de592476e53a21b7","schema_version":"1.0","event_id":"sha256:7c586c4c3c14c8296c95bbeffcfcf7c19b291d94a772b160de592476e53a21b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DMEO3YBTAFAX7XFPXA5X4FYAPF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Euler characteristic correction to the Kaehler potential - revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Federico Bonetti, Matthias Weissenbacher","submitted_at":"2016-08-03T19:39:43Z","abstract_excerpt":"We confirm the leading $\\alpha'^3$ correction to the 4d, $\\mathcal N = 1$ K\\\"{a}hler potential of type IIB orientifold compactifications, proportional to the Euler characteristic of the Calabi-Yau threefold (BBHL correction). We present the explicit solution for the $\\alpha'^3$-modified internal background metric in terms of the non-harmonic part of the third Chern form of the leading order Calabi-Yau manifold. The corrected internal manifold is almost Calabi-Yau and admits an $SU(3)$ structure with non-vanishing torsion. We also find that the full ten-dimensional Einstein frame background met"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01300","kind":"arxiv","version":2},"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":"2026-05-18T00:51:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcW+uaIeLCTmLQz4MocZbk8aAk3o0DumsLdgAn1ozvlBGFPvkldup1m1/cqbETs+iGvIDDDHNob1JVZTQuzMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:22:00.901351Z"},"content_sha256":"126bd693eb8a9f9d9096c29b08ed23b3faae1ed2bd8b354572cb1275cb05f484","schema_version":"1.0","event_id":"sha256:126bd693eb8a9f9d9096c29b08ed23b3faae1ed2bd8b354572cb1275cb05f484"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF/bundle.json","state_url":"https://pith.science/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF/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":"2026-05-25T19:22:00Z","links":{"resolver":"https://pith.science/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF","bundle":"https://pith.science/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF/bundle.json","state":"https://pith.science/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DMEO3YBTAFAX7XFPXA5X4FYAPF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DMEO3YBTAFAX7XFPXA5X4FYAPF","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":"8a4d42581a15cc3ed3cbea0b2c84528f06af3ddb32b8a32d6f3b3fde4f4f9fea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-08-03T19:39:43Z","title_canon_sha256":"5f3c25200318561c5bcdfc9436071037eb472b3c2038b86e211528a1c6f416f2"},"schema_version":"1.0","source":{"id":"1608.01300","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01300","created_at":"2026-05-18T00:51:47Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01300v2","created_at":"2026-05-18T00:51:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01300","created_at":"2026-05-18T00:51:47Z"},{"alias_kind":"pith_short_12","alias_value":"DMEO3YBTAFAX","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DMEO3YBTAFAX7XFP","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DMEO3YBT","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:126bd693eb8a9f9d9096c29b08ed23b3faae1ed2bd8b354572cb1275cb05f484","target":"graph","created_at":"2026-05-18T00:51:47Z","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 confirm the leading $\\alpha'^3$ correction to the 4d, $\\mathcal N = 1$ K\\\"{a}hler potential of type IIB orientifold compactifications, proportional to the Euler characteristic of the Calabi-Yau threefold (BBHL correction). We present the explicit solution for the $\\alpha'^3$-modified internal background metric in terms of the non-harmonic part of the third Chern form of the leading order Calabi-Yau manifold. The corrected internal manifold is almost Calabi-Yau and admits an $SU(3)$ structure with non-vanishing torsion. We also find that the full ten-dimensional Einstein frame background met","authors_text":"Federico Bonetti, Matthias Weissenbacher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-08-03T19:39:43Z","title":"The Euler characteristic correction to the Kaehler potential - revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01300","kind":"arxiv","version":2},"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":"sha256:7c586c4c3c14c8296c95bbeffcfcf7c19b291d94a772b160de592476e53a21b7","target":"record","created_at":"2026-05-18T00:51:47Z","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":"8a4d42581a15cc3ed3cbea0b2c84528f06af3ddb32b8a32d6f3b3fde4f4f9fea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-08-03T19:39:43Z","title_canon_sha256":"5f3c25200318561c5bcdfc9436071037eb472b3c2038b86e211528a1c6f416f2"},"schema_version":"1.0","source":{"id":"1608.01300","kind":"arxiv","version":2}},"canonical_sha256":"1b08ede03301417fdcafb83b7e170079472a80e6d5666a4cffb8dc2f49f63d6f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b08ede03301417fdcafb83b7e170079472a80e6d5666a4cffb8dc2f49f63d6f","first_computed_at":"2026-05-18T00:51:47.490665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:47.490665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qv3WntXxxPXdi/2053BIWHJusDtO5ehG4Husm2AT1bUxQg7a0BlmQyiu7nr+H1jnsnIC/ByuGAOv2E+YIvqxAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:47.491386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01300","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c586c4c3c14c8296c95bbeffcfcf7c19b291d94a772b160de592476e53a21b7","sha256:126bd693eb8a9f9d9096c29b08ed23b3faae1ed2bd8b354572cb1275cb05f484"],"state_sha256":"55184995d67cedc807778ea77e1088c861b372abaaa01fa2887be6171137318b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T6FT/Uh4wSYbfFZToTaub7Q2d45EIIj4150rX7fWdEyCI0vRWH1drSrsIHVbOk+JSh4t+Q2OdUyuAyv+U6JbBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:22:00.904712Z","bundle_sha256":"e48cfd047da40768d2397409e7d7399b98bcf7573bd87b20c747a3184ecbeb90"}}