{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4HJLS67STHRGYRX4AIFSSXUUKX","short_pith_number":"pith:4HJLS67S","canonical_record":{"source":{"id":"1712.04456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-12-12T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"7945cd2f7d89baf75620de747ae89a5802b54559a70d4154843679f69c77f01e","abstract_canon_sha256":"bed011090d02658aefa618e3909edf753d867bf8ca68c42dc925fb9999cd54d1"},"schema_version":"1.0"},"canonical_sha256":"e1d2b97bf299e26c46fc020b295e9455cc6476fe8c34d593619533eff4681677","source":{"kind":"arxiv","id":"1712.04456","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04456","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04456v1","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04456","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"pith_short_12","alias_value":"4HJLS67STHRG","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4HJLS67STHRGYRX4","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4HJLS67S","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4HJLS67STHRGYRX4AIFSSXUUKX","target":"record","payload":{"canonical_record":{"source":{"id":"1712.04456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-12-12T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"7945cd2f7d89baf75620de747ae89a5802b54559a70d4154843679f69c77f01e","abstract_canon_sha256":"bed011090d02658aefa618e3909edf753d867bf8ca68c42dc925fb9999cd54d1"},"schema_version":"1.0"},"canonical_sha256":"e1d2b97bf299e26c46fc020b295e9455cc6476fe8c34d593619533eff4681677","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:19.370823Z","signature_b64":"dtIFGE2Zwd+vMaaLSWYlCQ44eD7JqNoxM1uDpXVSuAooJGvV5wanoZtvO4/KEq2MB/Oo0F036tWuNeua7otYDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1d2b97bf299e26c46fc020b295e9455cc6476fe8c34d593619533eff4681677","last_reissued_at":"2026-05-18T00:15:19.370255Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:19.370255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.04456","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":"2026-05-18T00:15:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"obbFpzaO/8v71F6y8vkEI8g2WxnOjvKRWxHuOV0kZ6bT8Xg1m/AHA01IQj61HFARHwMOS2GoyfFhC85Wh+fIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T17:12:51.315206Z"},"content_sha256":"c3190cffa11ca98ef2b9c2784076689f29151f4d0ffbd57817b249e16520f7a7","schema_version":"1.0","event_id":"sha256:c3190cffa11ca98ef2b9c2784076689f29151f4d0ffbd57817b249e16520f7a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4HJLS67STHRGYRX4AIFSSXUUKX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Green-Schwarz Mechanism and Geometric Anomaly Relations in 2d (0,2) F-theory Vacua","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Fengjun Xu, Timo Weigand","submitted_at":"2017-12-12T19:00:03Z","abstract_excerpt":"We study the structure of gauge and gravitational anomalies in 2d N=(0,2) theories obtained by compactification of F-theory on elliptically fibered Calabi-Yau 5-folds. Abelian gauge anomalies, induced at 1-loop in perturbation theory, are cancelled by a generalized Green-Schwarz mechanism operating at the level of chiral scalar fields in the 2d supergravity theory. We derive closed expressions for the gravitational and the non-abelian and abelian gauge anomalies including the Green-Schwarz counterterms. These expressions involve topological invariants of the underlying elliptic fibration and t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04456","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":"2026-05-18T00:15:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u8NXptWnV4wk39dYTxuPgHLajPYkzdAq0jk0CLVR90/vWuncYHhSAfcv8f3tujYC57YyKMt1UR+nYvc8x+bsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T17:12:51.316021Z"},"content_sha256":"2119a1d944a2957f01d8413d86830b66ee153eeaeded50e401a452a1fb36c594","schema_version":"1.0","event_id":"sha256:2119a1d944a2957f01d8413d86830b66ee153eeaeded50e401a452a1fb36c594"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4HJLS67STHRGYRX4AIFSSXUUKX/bundle.json","state_url":"https://pith.science/pith/4HJLS67STHRGYRX4AIFSSXUUKX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4HJLS67STHRGYRX4AIFSSXUUKX/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":"2026-06-06T17:12:51Z","links":{"resolver":"https://pith.science/pith/4HJLS67STHRGYRX4AIFSSXUUKX","bundle":"https://pith.science/pith/4HJLS67STHRGYRX4AIFSSXUUKX/bundle.json","state":"https://pith.science/pith/4HJLS67STHRGYRX4AIFSSXUUKX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4HJLS67STHRGYRX4AIFSSXUUKX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4HJLS67STHRGYRX4AIFSSXUUKX","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":"bed011090d02658aefa618e3909edf753d867bf8ca68c42dc925fb9999cd54d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-12-12T19:00:03Z","title_canon_sha256":"7945cd2f7d89baf75620de747ae89a5802b54559a70d4154843679f69c77f01e"},"schema_version":"1.0","source":{"id":"1712.04456","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04456","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04456v1","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04456","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"pith_short_12","alias_value":"4HJLS67STHRG","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4HJLS67STHRGYRX4","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4HJLS67S","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:2119a1d944a2957f01d8413d86830b66ee153eeaeded50e401a452a1fb36c594","target":"graph","created_at":"2026-05-18T00:15:19Z","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 the structure of gauge and gravitational anomalies in 2d N=(0,2) theories obtained by compactification of F-theory on elliptically fibered Calabi-Yau 5-folds. Abelian gauge anomalies, induced at 1-loop in perturbation theory, are cancelled by a generalized Green-Schwarz mechanism operating at the level of chiral scalar fields in the 2d supergravity theory. We derive closed expressions for the gravitational and the non-abelian and abelian gauge anomalies including the Green-Schwarz counterterms. These expressions involve topological invariants of the underlying elliptic fibration and t","authors_text":"Fengjun Xu, Timo Weigand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-12-12T19:00:03Z","title":"The Green-Schwarz Mechanism and Geometric Anomaly Relations in 2d (0,2) F-theory Vacua"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04456","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:c3190cffa11ca98ef2b9c2784076689f29151f4d0ffbd57817b249e16520f7a7","target":"record","created_at":"2026-05-18T00:15:19Z","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":"bed011090d02658aefa618e3909edf753d867bf8ca68c42dc925fb9999cd54d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-12-12T19:00:03Z","title_canon_sha256":"7945cd2f7d89baf75620de747ae89a5802b54559a70d4154843679f69c77f01e"},"schema_version":"1.0","source":{"id":"1712.04456","kind":"arxiv","version":1}},"canonical_sha256":"e1d2b97bf299e26c46fc020b295e9455cc6476fe8c34d593619533eff4681677","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1d2b97bf299e26c46fc020b295e9455cc6476fe8c34d593619533eff4681677","first_computed_at":"2026-05-18T00:15:19.370255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:19.370255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dtIFGE2Zwd+vMaaLSWYlCQ44eD7JqNoxM1uDpXVSuAooJGvV5wanoZtvO4/KEq2MB/Oo0F036tWuNeua7otYDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:19.370823Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.04456","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3190cffa11ca98ef2b9c2784076689f29151f4d0ffbd57817b249e16520f7a7","sha256:2119a1d944a2957f01d8413d86830b66ee153eeaeded50e401a452a1fb36c594"],"state_sha256":"3ff048ee308d3158bf7c7cf34447e0de33760c3fa54a912d7566847ad2122dc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rIQC7X7aY+1myTXrmG+rgB5n0OB4lDBNGWcguN7yWu8ctam9s4S9lSEJLN2O88uLKziy5E9VyrTb4PeKo3sIDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T17:12:51.319582Z","bundle_sha256":"d8439af8cd9671aac74b0c1757aa888dfd3de50dfdee91b0f4fec98d83ca68ef"}}