{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WDYS7RHYC4TUA4JKAOST2LDNBO","short_pith_number":"pith:WDYS7RHY","canonical_record":{"source":{"id":"1711.05526","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-11-15T12:30:38Z","cross_cats_sorted":[],"title_canon_sha256":"3dcb9470ff21e4cc5701b3e94544b0005a226a54bb41fd763d334074414d2054","abstract_canon_sha256":"dca93eb7c992855f8ee94cb72ba12eca33b3f027200146a1f4d488bedd08121f"},"schema_version":"1.0"},"canonical_sha256":"b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff","source":{"kind":"arxiv","id":"1711.05526","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05526","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05526v2","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05526","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"pith_short_12","alias_value":"WDYS7RHYC4TU","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WDYS7RHYC4TUA4JK","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WDYS7RHY","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WDYS7RHYC4TUA4JKAOST2LDNBO","target":"record","payload":{"canonical_record":{"source":{"id":"1711.05526","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-11-15T12:30:38Z","cross_cats_sorted":[],"title_canon_sha256":"3dcb9470ff21e4cc5701b3e94544b0005a226a54bb41fd763d334074414d2054","abstract_canon_sha256":"dca93eb7c992855f8ee94cb72ba12eca33b3f027200146a1f4d488bedd08121f"},"schema_version":"1.0"},"canonical_sha256":"b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:27.413288Z","signature_b64":"5u8jlDWJdqWZBuyLKdW4tE7C0lJzwvn4yVs9Xit2lO6fhE4GdO51E9d/Fo3YMqIBBPObNPKJa8MU5G5HIoU9Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff","last_reissued_at":"2026-05-18T00:22:27.412607Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:27.412607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.05526","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":"2026-05-18T00:22:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TCXPqc9SzZ9NS3NT/Ec8sVZV35Z3c0s3oW9VmUL6hiKc/yqzr0H/xZthcCQSWHUsiFqduV346TQiP5OVPMqRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T03:06:03.441193Z"},"content_sha256":"98641a488b21166ef4ef0719cf3aa327e96e43f8048108a1201e3ebc3defb7cf","schema_version":"1.0","event_id":"sha256:98641a488b21166ef4ef0719cf3aa327e96e43f8048108a1201e3ebc3defb7cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WDYS7RHYC4TUA4JKAOST2LDNBO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Loop Amplitudes in an Extended Gravity Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"David C. Dunbar, Guy R. Jehu, John H. Godwin, Warren B. Perkins","submitted_at":"2017-11-15T12:30:38Z","abstract_excerpt":"We extend the $S$-matrix of gravity by the addition of the minimal three-point amplitude or equivalently adding $R^3$ terms to the Lagrangian. We demonstrate how Unitarity can be used to simply examine the renormalisability of this theory and determine the $R^4$ counter-terms that arise at one-loop. We find that the combination of $R^4$ terms that arise in the extended theory is complementary to the $R^4$ counter-term associated with supersymmetric Lagrangians."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05526","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":"2026-05-18T00:22:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nlrMaSqhQUXIbDKP4rEBNn02sAA4xg30+LMLr8lq9ACXPzb73LLq4BydG1DbLWetxfFc42CgZdf9WiMobm/wDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T03:06:03.441781Z"},"content_sha256":"b994ffa38f80fe5f4c24fb2a275a18ac86ed43d9e2209c2c3538d18de727c573","schema_version":"1.0","event_id":"sha256:b994ffa38f80fe5f4c24fb2a275a18ac86ed43d9e2209c2c3538d18de727c573"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WDYS7RHYC4TUA4JKAOST2LDNBO/bundle.json","state_url":"https://pith.science/pith/WDYS7RHYC4TUA4JKAOST2LDNBO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WDYS7RHYC4TUA4JKAOST2LDNBO/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":"2026-06-08T03:06:03Z","links":{"resolver":"https://pith.science/pith/WDYS7RHYC4TUA4JKAOST2LDNBO","bundle":"https://pith.science/pith/WDYS7RHYC4TUA4JKAOST2LDNBO/bundle.json","state":"https://pith.science/pith/WDYS7RHYC4TUA4JKAOST2LDNBO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WDYS7RHYC4TUA4JKAOST2LDNBO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WDYS7RHYC4TUA4JKAOST2LDNBO","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":"dca93eb7c992855f8ee94cb72ba12eca33b3f027200146a1f4d488bedd08121f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-11-15T12:30:38Z","title_canon_sha256":"3dcb9470ff21e4cc5701b3e94544b0005a226a54bb41fd763d334074414d2054"},"schema_version":"1.0","source":{"id":"1711.05526","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05526","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05526v2","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05526","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"pith_short_12","alias_value":"WDYS7RHYC4TU","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WDYS7RHYC4TUA4JK","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WDYS7RHY","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:b994ffa38f80fe5f4c24fb2a275a18ac86ed43d9e2209c2c3538d18de727c573","target":"graph","created_at":"2026-05-18T00:22:27Z","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 extend the $S$-matrix of gravity by the addition of the minimal three-point amplitude or equivalently adding $R^3$ terms to the Lagrangian. We demonstrate how Unitarity can be used to simply examine the renormalisability of this theory and determine the $R^4$ counter-terms that arise at one-loop. We find that the combination of $R^4$ terms that arise in the extended theory is complementary to the $R^4$ counter-term associated with supersymmetric Lagrangians.","authors_text":"David C. Dunbar, Guy R. Jehu, John H. Godwin, Warren B. Perkins","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-11-15T12:30:38Z","title":"Loop Amplitudes in an Extended Gravity Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05526","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":"sha256:98641a488b21166ef4ef0719cf3aa327e96e43f8048108a1201e3ebc3defb7cf","target":"record","created_at":"2026-05-18T00:22:27Z","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":"dca93eb7c992855f8ee94cb72ba12eca33b3f027200146a1f4d488bedd08121f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-11-15T12:30:38Z","title_canon_sha256":"3dcb9470ff21e4cc5701b3e94544b0005a226a54bb41fd763d334074414d2054"},"schema_version":"1.0","source":{"id":"1711.05526","kind":"arxiv","version":2}},"canonical_sha256":"b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff","first_computed_at":"2026-05-18T00:22:27.412607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:27.412607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5u8jlDWJdqWZBuyLKdW4tE7C0lJzwvn4yVs9Xit2lO6fhE4GdO51E9d/Fo3YMqIBBPObNPKJa8MU5G5HIoU9Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:27.413288Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.05526","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:98641a488b21166ef4ef0719cf3aa327e96e43f8048108a1201e3ebc3defb7cf","sha256:b994ffa38f80fe5f4c24fb2a275a18ac86ed43d9e2209c2c3538d18de727c573"],"state_sha256":"9f5a5d2cfb34d97c0341c96f0ec5c7567b818ecc5299fd406dd5b28b16caabb0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RGQ5JoI4T6poYf9HrYKQvrCivh41FiwO0A+gECgCetzME0mjvMDJpC/B6Y3UG8ojK/6JrgDk+rDDRWwzcUauCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T03:06:03.444918Z","bundle_sha256":"e01f0e646dfbace03ad147786822e9604c6627a37ac84bee663e6acb3144e9b6"}}