{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NPDNLQZRRWASGBUXTKIKN5G3PR","short_pith_number":"pith:NPDNLQZR","canonical_record":{"source":{"id":"1407.7542","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-28T20:00:56Z","cross_cats_sorted":["math.DG"],"title_canon_sha256":"806db41b70ad476ea43fd12e268d4012477be3b3f9df823687378f7e1ef6b865","abstract_canon_sha256":"0bae291a789d3134069dcd9580d1327876227b3ed13678e93f0c2c91bc4ce029"},"schema_version":"1.0"},"canonical_sha256":"6bc6d5c3318d812306979a90a6f4db7c6f692c64860d8525093bc51dd5d0041b","source":{"kind":"arxiv","id":"1407.7542","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7542","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7542v2","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7542","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"pith_short_12","alias_value":"NPDNLQZRRWAS","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NPDNLQZRRWASGBUX","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NPDNLQZR","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NPDNLQZRRWASGBUXTKIKN5G3PR","target":"record","payload":{"canonical_record":{"source":{"id":"1407.7542","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-28T20:00:56Z","cross_cats_sorted":["math.DG"],"title_canon_sha256":"806db41b70ad476ea43fd12e268d4012477be3b3f9df823687378f7e1ef6b865","abstract_canon_sha256":"0bae291a789d3134069dcd9580d1327876227b3ed13678e93f0c2c91bc4ce029"},"schema_version":"1.0"},"canonical_sha256":"6bc6d5c3318d812306979a90a6f4db7c6f692c64860d8525093bc51dd5d0041b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:49.755961Z","signature_b64":"ZJ6d0Cnx15uXd/+fk21QNnbVGFp05Enk9R/Dnczsfn/0tGuErtjfqZ1FDEqEwGmuFvtcOVX83vIQAiQfUzQtBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6bc6d5c3318d812306979a90a6f4db7c6f692c64860d8525093bc51dd5d0041b","last_reissued_at":"2026-05-18T01:09:49.755273Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:49.755273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.7542","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":"2026-05-18T01:09:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yu9IKpcMt9iiDO9cs/XFQJy7k53vXROXSq8nRgxUc8LB7zUpWnTBX0gZ0cORG5Lmths6rfX5IWuyePVA8FW0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:02:04.810879Z"},"content_sha256":"b8bce3a00a8534d22bef94d74753007be787e4dd4bec596de63b3299e623695c","schema_version":"1.0","event_id":"sha256:b8bce3a00a8534d22bef94d74753007be787e4dd4bec596de63b3299e623695c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NPDNLQZRRWASGBUXTKIKN5G3PR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalised geometry for string corrections","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.DG"],"primary_cat":"hep-th","authors_text":"Andr\\'e Coimbra, Daniel Waldram, Hagen Triendl, Ruben Minasian","submitted_at":"2014-07-28T20:00:56Z","abstract_excerpt":"We present a general formalism for incorporating the string corrections in generalised geometry, which necessitates the extension of the generalised tangent bundle. Not only are such extensions obstructed, string symmetries and the existence of a well-defined effective action require a precise choice of the (generalised) connection. The action takes a universal form given by a generalised Lichnerowitz--Bismut theorem. As examples of this construction we discuss the corrections linear in $\\alpha'$ in heterotic strings and the absence of such corrections for type II theories."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7542","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":"2026-05-18T01:09:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AfvQiEWLvTkN6HvO7lh0Nx5jc3A9q3WW8wjsLOu/xRPDCkXZKArRoZhrfR6cZT8saFLzXSCvrHGeHhoNdtQ6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:02:04.811264Z"},"content_sha256":"4288fc06afc7813868d7c206a61afc7234bcb7478ecd0da5cd4eb210194bd568","schema_version":"1.0","event_id":"sha256:4288fc06afc7813868d7c206a61afc7234bcb7478ecd0da5cd4eb210194bd568"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NPDNLQZRRWASGBUXTKIKN5G3PR/bundle.json","state_url":"https://pith.science/pith/NPDNLQZRRWASGBUXTKIKN5G3PR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NPDNLQZRRWASGBUXTKIKN5G3PR/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":"2026-05-25T21:02:04Z","links":{"resolver":"https://pith.science/pith/NPDNLQZRRWASGBUXTKIKN5G3PR","bundle":"https://pith.science/pith/NPDNLQZRRWASGBUXTKIKN5G3PR/bundle.json","state":"https://pith.science/pith/NPDNLQZRRWASGBUXTKIKN5G3PR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NPDNLQZRRWASGBUXTKIKN5G3PR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NPDNLQZRRWASGBUXTKIKN5G3PR","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":"0bae291a789d3134069dcd9580d1327876227b3ed13678e93f0c2c91bc4ce029","cross_cats_sorted":["math.DG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-28T20:00:56Z","title_canon_sha256":"806db41b70ad476ea43fd12e268d4012477be3b3f9df823687378f7e1ef6b865"},"schema_version":"1.0","source":{"id":"1407.7542","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7542","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7542v2","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7542","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"pith_short_12","alias_value":"NPDNLQZRRWAS","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NPDNLQZRRWASGBUX","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NPDNLQZR","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:4288fc06afc7813868d7c206a61afc7234bcb7478ecd0da5cd4eb210194bd568","target":"graph","created_at":"2026-05-18T01:09:49Z","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 present a general formalism for incorporating the string corrections in generalised geometry, which necessitates the extension of the generalised tangent bundle. Not only are such extensions obstructed, string symmetries and the existence of a well-defined effective action require a precise choice of the (generalised) connection. The action takes a universal form given by a generalised Lichnerowitz--Bismut theorem. As examples of this construction we discuss the corrections linear in $\\alpha'$ in heterotic strings and the absence of such corrections for type II theories.","authors_text":"Andr\\'e Coimbra, Daniel Waldram, Hagen Triendl, Ruben Minasian","cross_cats":["math.DG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-28T20:00:56Z","title":"Generalised geometry for string corrections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7542","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:b8bce3a00a8534d22bef94d74753007be787e4dd4bec596de63b3299e623695c","target":"record","created_at":"2026-05-18T01:09:49Z","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":"0bae291a789d3134069dcd9580d1327876227b3ed13678e93f0c2c91bc4ce029","cross_cats_sorted":["math.DG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-28T20:00:56Z","title_canon_sha256":"806db41b70ad476ea43fd12e268d4012477be3b3f9df823687378f7e1ef6b865"},"schema_version":"1.0","source":{"id":"1407.7542","kind":"arxiv","version":2}},"canonical_sha256":"6bc6d5c3318d812306979a90a6f4db7c6f692c64860d8525093bc51dd5d0041b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6bc6d5c3318d812306979a90a6f4db7c6f692c64860d8525093bc51dd5d0041b","first_computed_at":"2026-05-18T01:09:49.755273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:49.755273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZJ6d0Cnx15uXd/+fk21QNnbVGFp05Enk9R/Dnczsfn/0tGuErtjfqZ1FDEqEwGmuFvtcOVX83vIQAiQfUzQtBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:49.755961Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.7542","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8bce3a00a8534d22bef94d74753007be787e4dd4bec596de63b3299e623695c","sha256:4288fc06afc7813868d7c206a61afc7234bcb7478ecd0da5cd4eb210194bd568"],"state_sha256":"c7e74ffbf60e3594cb7e9902687be852ab311f49fac846db1df8f7368a75230d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/cNi5ez7CPgjNSLEGNSyfkBpX+q2y/SPw875+Fox4Cwv/gTFkRMlvQEN79KHwKMU/kXGvNWiD5yN+Fne6jJVBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:02:04.814604Z","bundle_sha256":"3d4f48cae3a735f6f73620e29cb94ea2dc79d19eda896fae007bf05005d55f41"}}