{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:L53VMNHQRB6BJMJNGZAEUE7YFA","short_pith_number":"pith:L53VMNHQ","canonical_record":{"source":{"id":"1808.01796","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-08-06T09:32:53Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"4d132715603e00abecc7994c92cd3ccdacb75c90a3a7435906968a1b94b4bd7a","abstract_canon_sha256":"0c87f9537243fb2e0827147b24a0ac025f444d40c348dc03439bfe5b5ee2d387"},"schema_version":"1.0"},"canonical_sha256":"5f775634f0887c14b12d36404a13f8283b7e5618de1e2a18c606a24058f3ecaf","source":{"kind":"arxiv","id":"1808.01796","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01796","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01796v2","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01796","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"L53VMNHQRB6B","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L53VMNHQRB6BJMJN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L53VMNHQ","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:L53VMNHQRB6BJMJNGZAEUE7YFA","target":"record","payload":{"canonical_record":{"source":{"id":"1808.01796","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-08-06T09:32:53Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"4d132715603e00abecc7994c92cd3ccdacb75c90a3a7435906968a1b94b4bd7a","abstract_canon_sha256":"0c87f9537243fb2e0827147b24a0ac025f444d40c348dc03439bfe5b5ee2d387"},"schema_version":"1.0"},"canonical_sha256":"5f775634f0887c14b12d36404a13f8283b7e5618de1e2a18c606a24058f3ecaf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:29.548395Z","signature_b64":"IahOjGifxL3U+4kxhE/3+nBkKjxQNFOWvgfJr70gl9C0r9tGxV+l6T8MO2o+CuRgR+ENFCWLhADaOmTd6ctCAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f775634f0887c14b12d36404a13f8283b7e5618de1e2a18c606a24058f3ecaf","last_reissued_at":"2026-05-17T23:53:29.547738Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:29.547738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.01796","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":"2026-05-17T23:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HyPNRGexaNQKdySGETJq7CeWYi9zWBvZRx116yDsKEqyfLhxsoiJ86kUa88v8VZrfbvkDypiybZiQOOUrofQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:14:37.710391Z"},"content_sha256":"d6e8d0623c7c870ae68ad678bd20460179c1f8a0e78d36cf2848a8c1f104f770","schema_version":"1.0","event_id":"sha256:d6e8d0623c7c870ae68ad678bd20460179c1f8a0e78d36cf2848a8c1f104f770"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:L53VMNHQRB6BJMJNGZAEUE7YFA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Charged gravitational instantons: extra CP violation and charge quantisation in the Standard Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Archil Kobakhidze, Suntharan Arunasalam","submitted_at":"2018-08-06T09:32:53Z","abstract_excerpt":"We argue that quantum electrodynamics combined with quantum gravity results in a new source of CP violation, anomalous non-conservation of chiral charge and quantisation of electric charge. Further phenomenological and cosmological implications of this observation are briefly discussed within the standard model of particle physics and cosmology"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01796","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":"2026-05-17T23:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fyV7J2OF2Q3kMEc8Ceo3oAaiIYPFkEM3T5NFJDi1O575DBdaFDZP6iWbEr//Nr96Lpd8jYRMihXM8D6ryxBkBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:14:37.710730Z"},"content_sha256":"4217a31b769601d53e08727b2c26619fe2f844cb0c4a636d7f7fee712f0499e7","schema_version":"1.0","event_id":"sha256:4217a31b769601d53e08727b2c26619fe2f844cb0c4a636d7f7fee712f0499e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L53VMNHQRB6BJMJNGZAEUE7YFA/bundle.json","state_url":"https://pith.science/pith/L53VMNHQRB6BJMJNGZAEUE7YFA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L53VMNHQRB6BJMJNGZAEUE7YFA/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":"2026-06-20T12:14:37Z","links":{"resolver":"https://pith.science/pith/L53VMNHQRB6BJMJNGZAEUE7YFA","bundle":"https://pith.science/pith/L53VMNHQRB6BJMJNGZAEUE7YFA/bundle.json","state":"https://pith.science/pith/L53VMNHQRB6BJMJNGZAEUE7YFA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L53VMNHQRB6BJMJNGZAEUE7YFA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:L53VMNHQRB6BJMJNGZAEUE7YFA","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":"0c87f9537243fb2e0827147b24a0ac025f444d40c348dc03439bfe5b5ee2d387","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-08-06T09:32:53Z","title_canon_sha256":"4d132715603e00abecc7994c92cd3ccdacb75c90a3a7435906968a1b94b4bd7a"},"schema_version":"1.0","source":{"id":"1808.01796","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01796","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01796v2","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01796","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"L53VMNHQRB6B","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L53VMNHQRB6BJMJN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L53VMNHQ","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:4217a31b769601d53e08727b2c26619fe2f844cb0c4a636d7f7fee712f0499e7","target":"graph","created_at":"2026-05-17T23:53:29Z","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 argue that quantum electrodynamics combined with quantum gravity results in a new source of CP violation, anomalous non-conservation of chiral charge and quantisation of electric charge. Further phenomenological and cosmological implications of this observation are briefly discussed within the standard model of particle physics and cosmology","authors_text":"Archil Kobakhidze, Suntharan Arunasalam","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-08-06T09:32:53Z","title":"Charged gravitational instantons: extra CP violation and charge quantisation in the Standard Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01796","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:d6e8d0623c7c870ae68ad678bd20460179c1f8a0e78d36cf2848a8c1f104f770","target":"record","created_at":"2026-05-17T23:53:29Z","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":"0c87f9537243fb2e0827147b24a0ac025f444d40c348dc03439bfe5b5ee2d387","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-08-06T09:32:53Z","title_canon_sha256":"4d132715603e00abecc7994c92cd3ccdacb75c90a3a7435906968a1b94b4bd7a"},"schema_version":"1.0","source":{"id":"1808.01796","kind":"arxiv","version":2}},"canonical_sha256":"5f775634f0887c14b12d36404a13f8283b7e5618de1e2a18c606a24058f3ecaf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f775634f0887c14b12d36404a13f8283b7e5618de1e2a18c606a24058f3ecaf","first_computed_at":"2026-05-17T23:53:29.547738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:29.547738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IahOjGifxL3U+4kxhE/3+nBkKjxQNFOWvgfJr70gl9C0r9tGxV+l6T8MO2o+CuRgR+ENFCWLhADaOmTd6ctCAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:29.548395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.01796","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d6e8d0623c7c870ae68ad678bd20460179c1f8a0e78d36cf2848a8c1f104f770","sha256:4217a31b769601d53e08727b2c26619fe2f844cb0c4a636d7f7fee712f0499e7"],"state_sha256":"512d4a54a1886767c18b04dd6537c13562f0e6e2191e7a2a64b10922417fed88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eAs6mG3p2m9EHZc1Aoe8nL+vta1Mwg/RKaFGzUzbpdIt/MhP6pb4E/nxyyPp0VMp/6E1vS43R71JHi1pzObBCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T12:14:37.712538Z","bundle_sha256":"f34999419407ed4ecba42afc077cc1a7e20a3695610bed15a1f7b4cf6d2185ab"}}