{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:K72VNOG5GWHTZ3NSTKIIQAXRFE","short_pith_number":"pith:K72VNOG5","canonical_record":{"source":{"id":"1802.02416","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-07T13:40:12Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"09d6b00bcbce44430463151b8f82bb3d7260adf15398ba02a7cb03ac6a9b0bdd","abstract_canon_sha256":"7e73e2dfe8d3758f4ce1ba88d3322f4e24f40baa0d312b03c327524d24595a6c"},"schema_version":"1.0"},"canonical_sha256":"57f556b8dd358f3cedb29a908802f1290c431d8fcdba52c2c1fa7b5790fcc047","source":{"kind":"arxiv","id":"1802.02416","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02416","created_at":"2026-05-18T00:09:16Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02416v2","created_at":"2026-05-18T00:09:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02416","created_at":"2026-05-18T00:09:16Z"},{"alias_kind":"pith_short_12","alias_value":"K72VNOG5GWHT","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K72VNOG5GWHTZ3NS","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K72VNOG5","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:K72VNOG5GWHTZ3NSTKIIQAXRFE","target":"record","payload":{"canonical_record":{"source":{"id":"1802.02416","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-07T13:40:12Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"09d6b00bcbce44430463151b8f82bb3d7260adf15398ba02a7cb03ac6a9b0bdd","abstract_canon_sha256":"7e73e2dfe8d3758f4ce1ba88d3322f4e24f40baa0d312b03c327524d24595a6c"},"schema_version":"1.0"},"canonical_sha256":"57f556b8dd358f3cedb29a908802f1290c431d8fcdba52c2c1fa7b5790fcc047","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:16.309404Z","signature_b64":"dG2l4CjKXv2gfOSaOasUDs4aYsMmtvH1EwvUd+8+qCDfJHx0pkB0lw+2jhklf6zqDk98XZjMHVcfc+Gfjj5AAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57f556b8dd358f3cedb29a908802f1290c431d8fcdba52c2c1fa7b5790fcc047","last_reissued_at":"2026-05-18T00:09:16.308698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:16.308698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.02416","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":"2026-05-18T00:09:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mJPSux9rtPzKidfSh8Bh1R1eKcNgqb/UBB4lfthTSiuAhvLBBK/j23Uasd/rJQxp50A2XZ5LCioSPCFjOyi5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:27:01.861817Z"},"content_sha256":"bbbb9fb8c79cc68db0037d8e5f96a98279c6b79e3984d412ee8e13d7b61be3fd","schema_version":"1.0","event_id":"sha256:bbbb9fb8c79cc68db0037d8e5f96a98279c6b79e3984d412ee8e13d7b61be3fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:K72VNOG5GWHTZ3NSTKIIQAXRFE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining Gluonic Quartic Gauge Coupling Operators with $gg \\to \\gamma \\gamma$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"John Ellis, Shao-Feng Ge","submitted_at":"2018-02-07T13:40:12Z","abstract_excerpt":"Gluon-gluon to photon-photon scattering $gg \\to \\gamma\\gamma$ offers to the LHC experiments a uniquely powerful probe of dimension-8 operators in the Standard Model Effective Field Theory (SMEFT) that are quadratic in both the electromagnetic and gluonic field-strength tensors, such as would appear in the Born-Infeld extension of the Standard Model (SM). We use 13-TeV ATLAS data on the production of isolated photon pairs to set lower limits on the scales of dimension-8 operators $M \\gtrsim 1$~TeV, and discuss the prospective sensitivities of possible future hadron colliders."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02416","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":"2026-05-18T00:09:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ioGlzE6pJ8EUOQBjXGMMAPZgQLt6o2EA+B4zMQ+uqFLUkQ+ac0DWd3hlVJMlZRsZJqCziIIz6+bLjfi31+ZhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:27:01.862158Z"},"content_sha256":"2609136579048ad3ddb29168669b995d52ffa6573637e36129cf19956ebdc618","schema_version":"1.0","event_id":"sha256:2609136579048ad3ddb29168669b995d52ffa6573637e36129cf19956ebdc618"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE/bundle.json","state_url":"https://pith.science/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE/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":"2026-06-02T19:27:01Z","links":{"resolver":"https://pith.science/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE","bundle":"https://pith.science/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE/bundle.json","state":"https://pith.science/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K72VNOG5GWHTZ3NSTKIIQAXRFE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K72VNOG5GWHTZ3NSTKIIQAXRFE","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":"7e73e2dfe8d3758f4ce1ba88d3322f4e24f40baa0d312b03c327524d24595a6c","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-07T13:40:12Z","title_canon_sha256":"09d6b00bcbce44430463151b8f82bb3d7260adf15398ba02a7cb03ac6a9b0bdd"},"schema_version":"1.0","source":{"id":"1802.02416","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02416","created_at":"2026-05-18T00:09:16Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02416v2","created_at":"2026-05-18T00:09:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02416","created_at":"2026-05-18T00:09:16Z"},{"alias_kind":"pith_short_12","alias_value":"K72VNOG5GWHT","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K72VNOG5GWHTZ3NS","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K72VNOG5","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:2609136579048ad3ddb29168669b995d52ffa6573637e36129cf19956ebdc618","target":"graph","created_at":"2026-05-18T00:09:16Z","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":"Gluon-gluon to photon-photon scattering $gg \\to \\gamma\\gamma$ offers to the LHC experiments a uniquely powerful probe of dimension-8 operators in the Standard Model Effective Field Theory (SMEFT) that are quadratic in both the electromagnetic and gluonic field-strength tensors, such as would appear in the Born-Infeld extension of the Standard Model (SM). We use 13-TeV ATLAS data on the production of isolated photon pairs to set lower limits on the scales of dimension-8 operators $M \\gtrsim 1$~TeV, and discuss the prospective sensitivities of possible future hadron colliders.","authors_text":"John Ellis, Shao-Feng Ge","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-07T13:40:12Z","title":"Constraining Gluonic Quartic Gauge Coupling Operators with $gg \\to \\gamma \\gamma$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02416","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:bbbb9fb8c79cc68db0037d8e5f96a98279c6b79e3984d412ee8e13d7b61be3fd","target":"record","created_at":"2026-05-18T00:09:16Z","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":"7e73e2dfe8d3758f4ce1ba88d3322f4e24f40baa0d312b03c327524d24595a6c","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-07T13:40:12Z","title_canon_sha256":"09d6b00bcbce44430463151b8f82bb3d7260adf15398ba02a7cb03ac6a9b0bdd"},"schema_version":"1.0","source":{"id":"1802.02416","kind":"arxiv","version":2}},"canonical_sha256":"57f556b8dd358f3cedb29a908802f1290c431d8fcdba52c2c1fa7b5790fcc047","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57f556b8dd358f3cedb29a908802f1290c431d8fcdba52c2c1fa7b5790fcc047","first_computed_at":"2026-05-18T00:09:16.308698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:16.308698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dG2l4CjKXv2gfOSaOasUDs4aYsMmtvH1EwvUd+8+qCDfJHx0pkB0lw+2jhklf6zqDk98XZjMHVcfc+Gfjj5AAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:16.309404Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.02416","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbbb9fb8c79cc68db0037d8e5f96a98279c6b79e3984d412ee8e13d7b61be3fd","sha256:2609136579048ad3ddb29168669b995d52ffa6573637e36129cf19956ebdc618"],"state_sha256":"0d807ad8c6f386511aedd26a433ecffc05043a167d5426754482b446fe5cd1be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VyK8p7Adc5YlL+mtnVewGeXolqGRnFi7VW1T40FV7RW8OMZsOm12t708/U9rqjc6cqhuEXraE4J0ECKUg76yAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T19:27:01.864423Z","bundle_sha256":"8bb652b127e4a23aa9a5d0d4db40a7f54c7b52eedcbbba2fa31df961e1e07f99"}}