{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NU6YCDRUDSKZWZ7TZHSMPGUL4G","short_pith_number":"pith:NU6YCDRU","canonical_record":{"source":{"id":"1905.04258","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-05-10T16:59:57Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"1c9d179928860b303c274a0ebfd462ef4d7821234ae263d0acc477634e2b6981","abstract_canon_sha256":"e57be322d4f29243a1cfef711f41314df3bc7e9c12b215860dc4552f490f96d2"},"schema_version":"1.0"},"canonical_sha256":"6d3d810e341c959b67f3c9e4c79a8be1bfda687c4964292792f7bd23f4fe6117","source":{"kind":"arxiv","id":"1905.04258","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04258","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04258v2","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04258","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"pith_short_12","alias_value":"NU6YCDRUDSKZ","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"pith_short_16","alias_value":"NU6YCDRUDSKZWZ7T","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"pith_short_8","alias_value":"NU6YCDRU","created_at":"2026-07-05T00:01:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NU6YCDRUDSKZWZ7TZHSMPGUL4G","target":"record","payload":{"canonical_record":{"source":{"id":"1905.04258","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-05-10T16:59:57Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"1c9d179928860b303c274a0ebfd462ef4d7821234ae263d0acc477634e2b6981","abstract_canon_sha256":"e57be322d4f29243a1cfef711f41314df3bc7e9c12b215860dc4552f490f96d2"},"schema_version":"1.0"},"canonical_sha256":"6d3d810e341c959b67f3c9e4c79a8be1bfda687c4964292792f7bd23f4fe6117","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:01:51.768606Z","signature_b64":"ZVaD/iRmkvvcUnP6lrvcIgucDTlaf7EhNOWCXyyLDOo6cuz830GqkSKneH38+HkIBkNaYxAG89XryQNziZsvAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d3d810e341c959b67f3c9e4c79a8be1bfda687c4964292792f7bd23f4fe6117","last_reissued_at":"2026-07-05T00:01:51.768148Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:01:51.768148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.04258","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":"2026-07-05T00:01:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9fkxzNNcBUeNeSLMMjew1l+lkSOrR50h4sxt+ovxj1d9bQ6U3tSP9qqc076LnAJngwpxxIA5SRZtJzrH0kPGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:55:03.482661Z"},"content_sha256":"43e8180b0a73d7d40f70ab486e52e51fbc36aeae7dbfeec53ed24b62a622c640","schema_version":"1.0","event_id":"sha256:43e8180b0a73d7d40f70ab486e52e51fbc36aeae7dbfeec53ed24b62a622c640"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NU6YCDRUDSKZWZ7TZHSMPGUL4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"UV Completion on the Worldline","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Nicola Andrea Dondi, Steven Abel","submitted_at":"2019-05-10T16:59:57Z","abstract_excerpt":"A framework for UV completing particle theories is proposed, based on the worldline formalism, which is equivalent to weighting all sums over histories with a proper-time dependent measure that has a smallest proper-time. We deduce a criterion to avoid ghosts, and find that the ghost-free theories have the (string-theory inspired) infinite-derivative model of Siegel as a special case, but represent a significant generalisation. Generically, the UV of such theories is dominated by a saddle-point in the proper-time, leading to simplification in the computation of amplitudes. We focus on a partic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04258","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1905.04258/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:01:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKrvIP96CaaG6wQEvcx/515VZ3XIgNZXGtncOgpx2/zGfiq1JZCzDxQ2d8wlPr/PTax33uJMcUJpQcfxf1MQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:55:03.483243Z"},"content_sha256":"099c2dafd3079bd0245a57c53e2960626860583db3dbd76640d87b40ad62f0df","schema_version":"1.0","event_id":"sha256:099c2dafd3079bd0245a57c53e2960626860583db3dbd76640d87b40ad62f0df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G/bundle.json","state_url":"https://pith.science/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G/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":"2026-08-15T16:55:03Z","links":{"resolver":"https://pith.science/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G","bundle":"https://pith.science/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G/bundle.json","state":"https://pith.science/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NU6YCDRUDSKZWZ7TZHSMPGUL4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NU6YCDRUDSKZWZ7TZHSMPGUL4G","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":"e57be322d4f29243a1cfef711f41314df3bc7e9c12b215860dc4552f490f96d2","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-05-10T16:59:57Z","title_canon_sha256":"1c9d179928860b303c274a0ebfd462ef4d7821234ae263d0acc477634e2b6981"},"schema_version":"1.0","source":{"id":"1905.04258","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04258","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04258v2","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04258","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"pith_short_12","alias_value":"NU6YCDRUDSKZ","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"pith_short_16","alias_value":"NU6YCDRUDSKZWZ7T","created_at":"2026-07-05T00:01:51Z"},{"alias_kind":"pith_short_8","alias_value":"NU6YCDRU","created_at":"2026-07-05T00:01:51Z"}],"graph_snapshots":[{"event_id":"sha256:099c2dafd3079bd0245a57c53e2960626860583db3dbd76640d87b40ad62f0df","target":"graph","created_at":"2026-07-05T00:01:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1905.04258/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A framework for UV completing particle theories is proposed, based on the worldline formalism, which is equivalent to weighting all sums over histories with a proper-time dependent measure that has a smallest proper-time. We deduce a criterion to avoid ghosts, and find that the ghost-free theories have the (string-theory inspired) infinite-derivative model of Siegel as a special case, but represent a significant generalisation. Generically, the UV of such theories is dominated by a saddle-point in the proper-time, leading to simplification in the computation of amplitudes. We focus on a partic","authors_text":"Nicola Andrea Dondi, Steven Abel","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-05-10T16:59:57Z","title":"UV Completion on the Worldline"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04258","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":"sha256:43e8180b0a73d7d40f70ab486e52e51fbc36aeae7dbfeec53ed24b62a622c640","target":"record","created_at":"2026-07-05T00:01:51Z","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":"e57be322d4f29243a1cfef711f41314df3bc7e9c12b215860dc4552f490f96d2","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-05-10T16:59:57Z","title_canon_sha256":"1c9d179928860b303c274a0ebfd462ef4d7821234ae263d0acc477634e2b6981"},"schema_version":"1.0","source":{"id":"1905.04258","kind":"arxiv","version":2}},"canonical_sha256":"6d3d810e341c959b67f3c9e4c79a8be1bfda687c4964292792f7bd23f4fe6117","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d3d810e341c959b67f3c9e4c79a8be1bfda687c4964292792f7bd23f4fe6117","first_computed_at":"2026-07-05T00:01:51.768148Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:01:51.768148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZVaD/iRmkvvcUnP6lrvcIgucDTlaf7EhNOWCXyyLDOo6cuz830GqkSKneH38+HkIBkNaYxAG89XryQNziZsvAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:01:51.768606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.04258","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43e8180b0a73d7d40f70ab486e52e51fbc36aeae7dbfeec53ed24b62a622c640","sha256:099c2dafd3079bd0245a57c53e2960626860583db3dbd76640d87b40ad62f0df"],"state_sha256":"c53745b2cf13f2de4a358b0ef1c7d134f852582fd632224dc37b442d2bb87532"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1jopWtmpY8BFG1PT4AhImc7ZgXj9ooVLM26hj3u2RFxnkbsTG0y6iaYtWs4t8MJ8siuANPey+to+23ise69GAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T16:55:03.486852Z","bundle_sha256":"0bf7a3417b17e1cf48527d8265a929abbe74064a2f51e8eecf04847dd85e9a96"}}