{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ABF7VH2DT33BYKUR2CBNQIXIBL","short_pith_number":"pith:ABF7VH2D","canonical_record":{"source":{"id":"0907.1362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-07-08T09:03:24Z","cross_cats_sorted":[],"title_canon_sha256":"946d16c5ff80871704f39e1fd6b65174e9208fc35e44f10a32d861963e9d9ab7","abstract_canon_sha256":"59579e7e3e81306af937f5c0a61769d81bd02518723d24852f63e65ddc89a5c0"},"schema_version":"1.0"},"canonical_sha256":"004bfa9f439ef61c2a91d082d822e80accb3d88eb548cb586a1110571ffeb5da","source":{"kind":"arxiv","id":"0907.1362","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.1362","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"0907.1362v2","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.1362","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"ABF7VH2DT33B","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"ABF7VH2DT33BYKUR","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"ABF7VH2D","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ABF7VH2DT33BYKUR2CBNQIXIBL","target":"record","payload":{"canonical_record":{"source":{"id":"0907.1362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-07-08T09:03:24Z","cross_cats_sorted":[],"title_canon_sha256":"946d16c5ff80871704f39e1fd6b65174e9208fc35e44f10a32d861963e9d9ab7","abstract_canon_sha256":"59579e7e3e81306af937f5c0a61769d81bd02518723d24852f63e65ddc89a5c0"},"schema_version":"1.0"},"canonical_sha256":"004bfa9f439ef61c2a91d082d822e80accb3d88eb548cb586a1110571ffeb5da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:58.942827Z","signature_b64":"Z/E77w2xq6ERX5ZcS1qmIOVsK8mwoMfGFYDB9RIz/cpF/4riHF60OfldK0ebPB1bOwcYcWz3l/nDBAsklR2JAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"004bfa9f439ef61c2a91d082d822e80accb3d88eb548cb586a1110571ffeb5da","last_reissued_at":"2026-05-18T03:23:58.942164Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:58.942164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.1362","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":"2026-05-18T03:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"facjJye1pzW+0O5lFZjN71t9+zEKh4p6jdAC8wGVK0KGtj9UWtXuOTaGyEJYqESj/Y7bbqQU5F/lQRCQdirMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:37:55.776707Z"},"content_sha256":"51864e8f6f7d838e3cf10c02967a31c7758df0a7081b5259b6009d983f667771","schema_version":"1.0","event_id":"sha256:51864e8f6f7d838e3cf10c02967a31c7758df0a7081b5259b6009d983f667771"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ABF7VH2DT33BYKUR2CBNQIXIBL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Gauge Threshold Corrections for Local IIB/F-theory GUTs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Eran Palti, Joseph P. Conlon","submitted_at":"2009-07-08T09:03:24Z","abstract_excerpt":"We study gauge threshold corrections for local GUT models in IIB/F-theory. Consistency with holomorphy requirements of supergravity and the Kaplunovsky-Louis formula implies that the unification scale is enhanced by the bulk radius R from the string scale to M_X =RM_S. We argue that the stringy interpretation of this is via a locally uncancelled tadpole sourced by the hypercharge flux. This sources closed string modes propagating into the bulk; equivalently open string gauge coupling running up to the winding scale M_X. The enhancement to R M_s is tied to GUT breaking by a globally trivial hyp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.1362","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":"2026-05-18T03:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tRmxkhSZSrbloEJWPvGlyzTc+ZZ6yC/IQm3mE4zIuPjy3moY19s+Htvlu9N16Gy+YhcyMHxAvDBI4/jFYwEfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:37:55.777143Z"},"content_sha256":"68e551aa7e7cc675aead6341b6d16d14d3627b2e0b1eca94b4682cd01fcffd3c","schema_version":"1.0","event_id":"sha256:68e551aa7e7cc675aead6341b6d16d14d3627b2e0b1eca94b4682cd01fcffd3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABF7VH2DT33BYKUR2CBNQIXIBL/bundle.json","state_url":"https://pith.science/pith/ABF7VH2DT33BYKUR2CBNQIXIBL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABF7VH2DT33BYKUR2CBNQIXIBL/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":"2026-06-05T01:37:55Z","links":{"resolver":"https://pith.science/pith/ABF7VH2DT33BYKUR2CBNQIXIBL","bundle":"https://pith.science/pith/ABF7VH2DT33BYKUR2CBNQIXIBL/bundle.json","state":"https://pith.science/pith/ABF7VH2DT33BYKUR2CBNQIXIBL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABF7VH2DT33BYKUR2CBNQIXIBL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ABF7VH2DT33BYKUR2CBNQIXIBL","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":"59579e7e3e81306af937f5c0a61769d81bd02518723d24852f63e65ddc89a5c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-07-08T09:03:24Z","title_canon_sha256":"946d16c5ff80871704f39e1fd6b65174e9208fc35e44f10a32d861963e9d9ab7"},"schema_version":"1.0","source":{"id":"0907.1362","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.1362","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"0907.1362v2","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.1362","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"ABF7VH2DT33B","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"ABF7VH2DT33BYKUR","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"ABF7VH2D","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:68e551aa7e7cc675aead6341b6d16d14d3627b2e0b1eca94b4682cd01fcffd3c","target":"graph","created_at":"2026-05-18T03:23:58Z","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 study gauge threshold corrections for local GUT models in IIB/F-theory. Consistency with holomorphy requirements of supergravity and the Kaplunovsky-Louis formula implies that the unification scale is enhanced by the bulk radius R from the string scale to M_X =RM_S. We argue that the stringy interpretation of this is via a locally uncancelled tadpole sourced by the hypercharge flux. This sources closed string modes propagating into the bulk; equivalently open string gauge coupling running up to the winding scale M_X. The enhancement to R M_s is tied to GUT breaking by a globally trivial hyp","authors_text":"Eran Palti, Joseph P. Conlon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-07-08T09:03:24Z","title":"On Gauge Threshold Corrections for Local IIB/F-theory GUTs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.1362","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":"sha256:51864e8f6f7d838e3cf10c02967a31c7758df0a7081b5259b6009d983f667771","target":"record","created_at":"2026-05-18T03:23:58Z","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":"59579e7e3e81306af937f5c0a61769d81bd02518723d24852f63e65ddc89a5c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-07-08T09:03:24Z","title_canon_sha256":"946d16c5ff80871704f39e1fd6b65174e9208fc35e44f10a32d861963e9d9ab7"},"schema_version":"1.0","source":{"id":"0907.1362","kind":"arxiv","version":2}},"canonical_sha256":"004bfa9f439ef61c2a91d082d822e80accb3d88eb548cb586a1110571ffeb5da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"004bfa9f439ef61c2a91d082d822e80accb3d88eb548cb586a1110571ffeb5da","first_computed_at":"2026-05-18T03:23:58.942164Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:58.942164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z/E77w2xq6ERX5ZcS1qmIOVsK8mwoMfGFYDB9RIz/cpF/4riHF60OfldK0ebPB1bOwcYcWz3l/nDBAsklR2JAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:58.942827Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.1362","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51864e8f6f7d838e3cf10c02967a31c7758df0a7081b5259b6009d983f667771","sha256:68e551aa7e7cc675aead6341b6d16d14d3627b2e0b1eca94b4682cd01fcffd3c"],"state_sha256":"ca0c972a95a1527b1238e37cd500a36b9ea8c0418325a12535233e0309340417"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oflh/byKXO2RSA4hPHR6+Lbof6OJSmZk7LBt+bPmEGdxiJqx3l7nxGRkuihtPSzTvsG8bg4keCgHu85nvRmmAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T01:37:55.779604Z","bundle_sha256":"a85fd7437b3535cf2e847825daecaf9ff7f907d501f316f67943f697a9e0f5c0"}}