{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IBZDWNJSGML6TWAI5PXWSJ2UEM","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":"7fca53b1ff8b247f3f20df9eb69752edff87df078fff6cb090d9d0531eb3f61e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-06-19T14:08:08Z","title_canon_sha256":"36cec4411d1388b6d68926df0b85ba2178eb19222a7181adc9ea28fb38832ad5"},"schema_version":"1.0","source":{"id":"1406.5053","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.5053","created_at":"2026-05-18T01:27:36Z"},{"alias_kind":"arxiv_version","alias_value":"1406.5053v4","created_at":"2026-05-18T01:27:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.5053","created_at":"2026-05-18T01:27:36Z"},{"alias_kind":"pith_short_12","alias_value":"IBZDWNJSGML6","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IBZDWNJSGML6TWAI","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IBZDWNJS","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:e34ef7d771fc601335e1b04c3a72877e8a112924c1b7b8d41c4e2803cd9093fd","target":"graph","created_at":"2026-05-18T01:27:36Z","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":"Searches are performed for resonant and non-resonant Higgs boson pair production in the $\\gamma\\gamma b\\bar{b}$ final state using 20 fb$^{-1}$ of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of non-resonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search ","authors_text":"ATLAS Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-06-19T14:08:08Z","title":"Search For Higgs Boson Pair Production in the $\\gamma\\gamma b\\bar{b}$ Final State using $pp$ Collision Data at $\\sqrt{s}=8$ TeV from the ATLAS Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.5053","kind":"arxiv","version":4},"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":"sha256:2c4b471e75a421384dac36d4c99e81379a180eb1d5ec38ddd4d8bdea1c1cab6e","target":"record","created_at":"2026-05-18T01:27:36Z","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":"7fca53b1ff8b247f3f20df9eb69752edff87df078fff6cb090d9d0531eb3f61e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-06-19T14:08:08Z","title_canon_sha256":"36cec4411d1388b6d68926df0b85ba2178eb19222a7181adc9ea28fb38832ad5"},"schema_version":"1.0","source":{"id":"1406.5053","kind":"arxiv","version":4}},"canonical_sha256":"40723b35323317e9d808ebef692754233586e9e0059381e46564c86efc71797e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40723b35323317e9d808ebef692754233586e9e0059381e46564c86efc71797e","first_computed_at":"2026-05-18T01:27:36.832666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:36.832666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BO4M5TNEaydZjy7mVlC3UAqPGoyHRxE/bvNvtIJepoI/0G9X4xdyLWBxxQEnulZmPVsNx3O6vdiHqEIkzeIIDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:36.833280Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.5053","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c4b471e75a421384dac36d4c99e81379a180eb1d5ec38ddd4d8bdea1c1cab6e","sha256:e34ef7d771fc601335e1b04c3a72877e8a112924c1b7b8d41c4e2803cd9093fd"],"state_sha256":"fc33f98607f5a5108e8625024e1cf703b0969f1a220d06d1a4180637e9c37914"}