{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GQCUGTSZQTCXPFP5ZBDDOCICFX","short_pith_number":"pith:GQCUGTSZ","canonical_record":{"source":{"id":"1312.2955","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-12-10T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"1eaaabdd13fdea6ae919af93c2d345d5f7970229dd03dae36588a464f2ef99ac","abstract_canon_sha256":"b394099e540003c2d16d1bdbb9865e018365f158d4130d9deafdf51f3c34ebec"},"schema_version":"1.0"},"canonical_sha256":"3405434e5984c57795fdc8463709022dc5607b9f4a025e8daa7476ec37222c86","source":{"kind":"arxiv","id":"1312.2955","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.2955","created_at":"2026-05-18T01:27:24Z"},{"alias_kind":"arxiv_version","alias_value":"1312.2955v2","created_at":"2026-05-18T01:27:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2955","created_at":"2026-05-18T01:27:24Z"},{"alias_kind":"pith_short_12","alias_value":"GQCUGTSZQTCX","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GQCUGTSZQTCXPFP5","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GQCUGTSZ","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GQCUGTSZQTCXPFP5ZBDDOCICFX","target":"record","payload":{"canonical_record":{"source":{"id":"1312.2955","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-12-10T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"1eaaabdd13fdea6ae919af93c2d345d5f7970229dd03dae36588a464f2ef99ac","abstract_canon_sha256":"b394099e540003c2d16d1bdbb9865e018365f158d4130d9deafdf51f3c34ebec"},"schema_version":"1.0"},"canonical_sha256":"3405434e5984c57795fdc8463709022dc5607b9f4a025e8daa7476ec37222c86","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:24.551258Z","signature_b64":"E5DxuDFLJ7wGjIxSXxFsem685b9s4qfNZ5uWhsoKvQL1gWP0AJs6jdEu09E7Olda/vt85jnUeo07soa1/6A4Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3405434e5984c57795fdc8463709022dc5607b9f4a025e8daa7476ec37222c86","last_reissued_at":"2026-05-18T01:27:24.550692Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:24.550692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.2955","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":"2026-05-18T01:27:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4w/2rU3CaskS5Vy+LdO7KXPkG+9y574zzVUJhsmb/le0179u4QzOKz5arO7nK2tDm+k+YzMX9GNJNJDomAExAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:39:14.591037Z"},"content_sha256":"de364d525d53ef7b495057e00f22f0d76b4fd9fbe6417e0784d405f286de23b6","schema_version":"1.0","event_id":"sha256:de364d525d53ef7b495057e00f22f0d76b4fd9fbe6417e0784d405f286de23b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GQCUGTSZQTCXPFP5ZBDDOCICFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing CP Violation in $h\\rightarrow\\gamma\\gamma$ with Converted Photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Dean J. Robinson, Fady Bishara, Jing Shu, Jure Zupan, Roni Harnik, Yuval Grossman","submitted_at":"2013-12-10T21:00:05Z","abstract_excerpt":"We study Higgs diphoton decays, in which both photons undergo nuclear conversion to electron- positron pairs. The kinematic distribution of the two electron-positron pairs may be used to probe the CP violating (CPV) coupling of the Higgs to photons, that may be produced by new physics. Detecting CPV in this manner requires interference between the spin-polarized helicity amplitudes for both conversions. We derive leading order, analytic forms for these amplitudes. In turn, we obtain compact, leading-order expressions for the full process rate. While performing experiments involving photon conv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2955","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":"2026-05-18T01:27:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8klStrtzm1+UDZ6u1sV4C1tov78WuEu6Ty8EceGErWL7lcYsyeqRnZf2KqT85LkV0EuCU+y+HvR855++CRgNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:39:14.591460Z"},"content_sha256":"ae4e7b4846d964c9b6b4acd9e69bb40667697ab203bc49769affb8f153b4e871","schema_version":"1.0","event_id":"sha256:ae4e7b4846d964c9b6b4acd9e69bb40667697ab203bc49769affb8f153b4e871"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX/bundle.json","state_url":"https://pith.science/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX/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":"2026-05-29T23:39:14Z","links":{"resolver":"https://pith.science/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX","bundle":"https://pith.science/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX/bundle.json","state":"https://pith.science/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQCUGTSZQTCXPFP5ZBDDOCICFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GQCUGTSZQTCXPFP5ZBDDOCICFX","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":"b394099e540003c2d16d1bdbb9865e018365f158d4130d9deafdf51f3c34ebec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-12-10T21:00:05Z","title_canon_sha256":"1eaaabdd13fdea6ae919af93c2d345d5f7970229dd03dae36588a464f2ef99ac"},"schema_version":"1.0","source":{"id":"1312.2955","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.2955","created_at":"2026-05-18T01:27:24Z"},{"alias_kind":"arxiv_version","alias_value":"1312.2955v2","created_at":"2026-05-18T01:27:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2955","created_at":"2026-05-18T01:27:24Z"},{"alias_kind":"pith_short_12","alias_value":"GQCUGTSZQTCX","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GQCUGTSZQTCXPFP5","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GQCUGTSZ","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:ae4e7b4846d964c9b6b4acd9e69bb40667697ab203bc49769affb8f153b4e871","target":"graph","created_at":"2026-05-18T01:27:24Z","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 Higgs diphoton decays, in which both photons undergo nuclear conversion to electron- positron pairs. The kinematic distribution of the two electron-positron pairs may be used to probe the CP violating (CPV) coupling of the Higgs to photons, that may be produced by new physics. Detecting CPV in this manner requires interference between the spin-polarized helicity amplitudes for both conversions. We derive leading order, analytic forms for these amplitudes. In turn, we obtain compact, leading-order expressions for the full process rate. While performing experiments involving photon conv","authors_text":"Dean J. Robinson, Fady Bishara, Jing Shu, Jure Zupan, Roni Harnik, Yuval Grossman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-12-10T21:00:05Z","title":"Probing CP Violation in $h\\rightarrow\\gamma\\gamma$ with Converted Photons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2955","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:de364d525d53ef7b495057e00f22f0d76b4fd9fbe6417e0784d405f286de23b6","target":"record","created_at":"2026-05-18T01:27:24Z","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":"b394099e540003c2d16d1bdbb9865e018365f158d4130d9deafdf51f3c34ebec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-12-10T21:00:05Z","title_canon_sha256":"1eaaabdd13fdea6ae919af93c2d345d5f7970229dd03dae36588a464f2ef99ac"},"schema_version":"1.0","source":{"id":"1312.2955","kind":"arxiv","version":2}},"canonical_sha256":"3405434e5984c57795fdc8463709022dc5607b9f4a025e8daa7476ec37222c86","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3405434e5984c57795fdc8463709022dc5607b9f4a025e8daa7476ec37222c86","first_computed_at":"2026-05-18T01:27:24.550692Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:24.550692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E5DxuDFLJ7wGjIxSXxFsem685b9s4qfNZ5uWhsoKvQL1gWP0AJs6jdEu09E7Olda/vt85jnUeo07soa1/6A4Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:24.551258Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.2955","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de364d525d53ef7b495057e00f22f0d76b4fd9fbe6417e0784d405f286de23b6","sha256:ae4e7b4846d964c9b6b4acd9e69bb40667697ab203bc49769affb8f153b4e871"],"state_sha256":"f990106166263905e1b84f5451ec5f5da86f46246239ceb30f21b09c9e4b74a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bsk96QQEK9QL3JDWTtqeajPyRLGKsqcaRgja72aQ3yO/JIOE4gyHI5cfRbEhupYMP/IuW+CRax1hdDzIyFbEBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T23:39:14.593743Z","bundle_sha256":"50b67e154ab84d841e32e855436f720ce4845685529f80c3dccd20345ad9a957"}}