{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4ZGGNN5ROTGKKC55EKP5OIG7SS","short_pith_number":"pith:4ZGGNN5R","canonical_record":{"source":{"id":"1408.5010","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-21T14:12:11Z","cross_cats_sorted":[],"title_canon_sha256":"b1652381ef679644bd7b094bfefffab229cc1cdee595887116e2c4525d870ac4","abstract_canon_sha256":"fba0dc161e3d6d33b2c2defb68983753b14d7d6ba21d31ad02cf4cb81023ef8d"},"schema_version":"1.0"},"canonical_sha256":"e64c66b7b174cca50bbd229fd720df94a68a339fe9ef845eafa6104aca5fe293","source":{"kind":"arxiv","id":"1408.5010","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5010","created_at":"2026-05-18T02:42:36Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5010v2","created_at":"2026-05-18T02:42:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5010","created_at":"2026-05-18T02:42:36Z"},{"alias_kind":"pith_short_12","alias_value":"4ZGGNN5ROTGK","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4ZGGNN5ROTGKKC55","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4ZGGNN5R","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4ZGGNN5ROTGKKC55EKP5OIG7SS","target":"record","payload":{"canonical_record":{"source":{"id":"1408.5010","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-21T14:12:11Z","cross_cats_sorted":[],"title_canon_sha256":"b1652381ef679644bd7b094bfefffab229cc1cdee595887116e2c4525d870ac4","abstract_canon_sha256":"fba0dc161e3d6d33b2c2defb68983753b14d7d6ba21d31ad02cf4cb81023ef8d"},"schema_version":"1.0"},"canonical_sha256":"e64c66b7b174cca50bbd229fd720df94a68a339fe9ef845eafa6104aca5fe293","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:36.763663Z","signature_b64":"T6/siBk8JSvDQupC2+qdW9VdUlgqgEaDdK3LBjcGqdfW4ues9wlDCX6ZjNB5x1Jwg+yCddAfEZCtxOY7LSwJBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e64c66b7b174cca50bbd229fd720df94a68a339fe9ef845eafa6104aca5fe293","last_reissued_at":"2026-05-18T02:42:36.762981Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:36.762981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.5010","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":"2026-05-18T02:42:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mJwTXaF701nH6kn8Snze+mQONevkhwXjB8K99PPSUirmhDy+R1+JlQRK2dU5aHvSSkwMARRbgP/qaW54/bRHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:26:57.034745Z"},"content_sha256":"3552059d47fc5c875598e256c8dccdc74be7c4758188f3970e7da66552d13ef1","schema_version":"1.0","event_id":"sha256:3552059d47fc5c875598e256c8dccdc74be7c4758188f3970e7da66552d13ef1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4ZGGNN5ROTGKKC55EKP5OIG7SS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phenomenology of the trilinear Higgs coupling at proton-proton colliders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bob van Eijk, Magdalena Slawinska, Stan Bentvelsen, Wouter van den Wollenberg","submitted_at":"2014-08-21T14:12:11Z","abstract_excerpt":"We investigate Higgs pair production at proton-proton colliders, with emphasis on the gluon fusion channel at the HL-LHC. We study the behaviour of the leading order matrix element using exact computation of quark loops and infinite quark mass approximation. We analyse di-Higgs kinematics in search for phase space regions where the contribution of Higgs self-coupling to SM Higgs pair production is enhanced. We discuss how non-SM values of the Higgs trilinear coupling may affect the kinematics of the Higgs pair."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5010","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":"2026-05-18T02:42:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wea5MpJvOseXt/1VWVlpP4+KBxP9ojHWxoTDADJG8D5YCU6znYqUpcW+TIsNnVB3icYBXm8C82bhWFVTnG0VBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:26:57.036091Z"},"content_sha256":"233c0d56d5bd6b66e6cb8d9f9cc686f5a97955faf99e3c7e3a70b3aafde1e572","schema_version":"1.0","event_id":"sha256:233c0d56d5bd6b66e6cb8d9f9cc686f5a97955faf99e3c7e3a70b3aafde1e572"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS/bundle.json","state_url":"https://pith.science/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS/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":"2026-05-29T18:26:57Z","links":{"resolver":"https://pith.science/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS","bundle":"https://pith.science/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS/bundle.json","state":"https://pith.science/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ZGGNN5ROTGKKC55EKP5OIG7SS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4ZGGNN5ROTGKKC55EKP5OIG7SS","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":"fba0dc161e3d6d33b2c2defb68983753b14d7d6ba21d31ad02cf4cb81023ef8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-21T14:12:11Z","title_canon_sha256":"b1652381ef679644bd7b094bfefffab229cc1cdee595887116e2c4525d870ac4"},"schema_version":"1.0","source":{"id":"1408.5010","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5010","created_at":"2026-05-18T02:42:36Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5010v2","created_at":"2026-05-18T02:42:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5010","created_at":"2026-05-18T02:42:36Z"},{"alias_kind":"pith_short_12","alias_value":"4ZGGNN5ROTGK","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4ZGGNN5ROTGKKC55","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4ZGGNN5R","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:233c0d56d5bd6b66e6cb8d9f9cc686f5a97955faf99e3c7e3a70b3aafde1e572","target":"graph","created_at":"2026-05-18T02:42:36Z","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":"We investigate Higgs pair production at proton-proton colliders, with emphasis on the gluon fusion channel at the HL-LHC. We study the behaviour of the leading order matrix element using exact computation of quark loops and infinite quark mass approximation. We analyse di-Higgs kinematics in search for phase space regions where the contribution of Higgs self-coupling to SM Higgs pair production is enhanced. We discuss how non-SM values of the Higgs trilinear coupling may affect the kinematics of the Higgs pair.","authors_text":"Bob van Eijk, Magdalena Slawinska, Stan Bentvelsen, Wouter van den Wollenberg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-21T14:12:11Z","title":"Phenomenology of the trilinear Higgs coupling at proton-proton colliders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5010","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":"sha256:3552059d47fc5c875598e256c8dccdc74be7c4758188f3970e7da66552d13ef1","target":"record","created_at":"2026-05-18T02:42:36Z","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":"fba0dc161e3d6d33b2c2defb68983753b14d7d6ba21d31ad02cf4cb81023ef8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-21T14:12:11Z","title_canon_sha256":"b1652381ef679644bd7b094bfefffab229cc1cdee595887116e2c4525d870ac4"},"schema_version":"1.0","source":{"id":"1408.5010","kind":"arxiv","version":2}},"canonical_sha256":"e64c66b7b174cca50bbd229fd720df94a68a339fe9ef845eafa6104aca5fe293","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e64c66b7b174cca50bbd229fd720df94a68a339fe9ef845eafa6104aca5fe293","first_computed_at":"2026-05-18T02:42:36.762981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:36.762981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T6/siBk8JSvDQupC2+qdW9VdUlgqgEaDdK3LBjcGqdfW4ues9wlDCX6ZjNB5x1Jwg+yCddAfEZCtxOY7LSwJBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:36.763663Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5010","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3552059d47fc5c875598e256c8dccdc74be7c4758188f3970e7da66552d13ef1","sha256:233c0d56d5bd6b66e6cb8d9f9cc686f5a97955faf99e3c7e3a70b3aafde1e572"],"state_sha256":"ab87ceed6498f15e68f8649ce000022cc58fa017c4a950e11576489147af6163"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yO3OD9FO2R5oaOL/sWCDUQV4qH4+aUeh232PDvrfW4nbcB3XajXoZdFscZLKbSNxDdDV4hin9APgosmzeTxIDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T18:26:57.040262Z","bundle_sha256":"35ed3d8f797e850af7c10d251e41fdb4a43c4089eec261555ae02d117361cb88"}}