{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:ZOP6JN72B7URPOHQ5HX4M5BIS5","short_pith_number":"pith:ZOP6JN72","canonical_record":{"source":{"id":"hep-ph/9904287","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-04-09T13:09:25Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"9ba44f5a8cd281af730b6a0c704a3c9f14162185b96e97d1d47b650c522103cc","abstract_canon_sha256":"279fb812ca9943042802aa6f5108b4bdaa7e6c52749e6f95fdf6378946668929"},"schema_version":"1.0"},"canonical_sha256":"cb9fe4b7fa0fe917b8f0e9efc674289749147f9827b6853a63600c5a92613f57","source":{"kind":"arxiv","id":"hep-ph/9904287","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9904287","created_at":"2026-05-18T04:13:17Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9904287v1","created_at":"2026-05-18T04:13:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9904287","created_at":"2026-05-18T04:13:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZOP6JN72B7UR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"ZOP6JN72B7URPOHQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"ZOP6JN72","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:ZOP6JN72B7URPOHQ5HX4M5BIS5","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9904287","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-04-09T13:09:25Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"9ba44f5a8cd281af730b6a0c704a3c9f14162185b96e97d1d47b650c522103cc","abstract_canon_sha256":"279fb812ca9943042802aa6f5108b4bdaa7e6c52749e6f95fdf6378946668929"},"schema_version":"1.0"},"canonical_sha256":"cb9fe4b7fa0fe917b8f0e9efc674289749147f9827b6853a63600c5a92613f57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:17.493449Z","signature_b64":"i7owyMKa7Uu41deyVfgKa+L7NnmotQFlxPgwyjyQH/g1Mdp71wLjumEUHMaRsXYjB0rhFrUYlOIv31K5ax+uCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb9fe4b7fa0fe917b8f0e9efc674289749147f9827b6853a63600c5a92613f57","last_reissued_at":"2026-05-18T04:13:17.492888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:17.492888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9904287","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:13:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lf2Q6+BtDtPTgjXEAM3s70llpxGCXsLnatTiyoVpSsEs+2xWGqyEI7H4haOa2f0FdqGBqS4ApfTAaAtscXisAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T15:48:53.549943Z"},"content_sha256":"58c0b05ecab9ea86d0fa44698327e6960c48990985c217f0f492d7c41e59f463","schema_version":"1.0","event_id":"sha256:58c0b05ecab9ea86d0fa44698327e6960c48990985c217f0f492d7c41e59f463"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:ZOP6JN72B7URPOHQ5HX4M5BIS5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Production of Neutral Higgs-Boson Pairs at LHC","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"A. Djouadi, M. Muhlleitner, P.M. Zerwas, W. Kilian","submitted_at":"1999-04-09T13:09:25Z","abstract_excerpt":"The reconstruction of the Higgs potential in the Standard Model or supersymmetric theories demands the measurement of the trilinear Higgs couplings. These couplings affect the multiple production of Higgs bosons at high energy colliders. We present a systematic overview of the cross sections for the production of pairs of (light) neutral Higgs bosons at the LHC. The analysis is carried out for the Standard Model and its minimal supersymmetric extension."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9904287","kind":"arxiv","version":1},"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":"2026-05-18T04:13:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8JXqKD3UIzE4maSa7B/v0oev1kWpU9/oHQ/ZtSXp8sASkFLKD2X7CzWn4yUGyZRZcLiRHZ70pnBOlq9+4yWxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T15:48:53.550292Z"},"content_sha256":"58df9ff3ff3a0a1ee42cafc7bd5d436c9d4598b5fc429aba6c6ffe68fa1535fb","schema_version":"1.0","event_id":"sha256:58df9ff3ff3a0a1ee42cafc7bd5d436c9d4598b5fc429aba6c6ffe68fa1535fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5/bundle.json","state_url":"https://pith.science/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5/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":"2026-05-30T15:48:53Z","links":{"resolver":"https://pith.science/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5","bundle":"https://pith.science/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5/bundle.json","state":"https://pith.science/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZOP6JN72B7URPOHQ5HX4M5BIS5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:ZOP6JN72B7URPOHQ5HX4M5BIS5","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":"279fb812ca9943042802aa6f5108b4bdaa7e6c52749e6f95fdf6378946668929","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"1999-04-09T13:09:25Z","title_canon_sha256":"9ba44f5a8cd281af730b6a0c704a3c9f14162185b96e97d1d47b650c522103cc"},"schema_version":"1.0","source":{"id":"hep-ph/9904287","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9904287","created_at":"2026-05-18T04:13:17Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9904287v1","created_at":"2026-05-18T04:13:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9904287","created_at":"2026-05-18T04:13:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZOP6JN72B7UR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"ZOP6JN72B7URPOHQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"ZOP6JN72","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:58df9ff3ff3a0a1ee42cafc7bd5d436c9d4598b5fc429aba6c6ffe68fa1535fb","target":"graph","created_at":"2026-05-18T04:13:17Z","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":"The reconstruction of the Higgs potential in the Standard Model or supersymmetric theories demands the measurement of the trilinear Higgs couplings. These couplings affect the multiple production of Higgs bosons at high energy colliders. We present a systematic overview of the cross sections for the production of pairs of (light) neutral Higgs bosons at the LHC. The analysis is carried out for the Standard Model and its minimal supersymmetric extension.","authors_text":"A. Djouadi, M. Muhlleitner, P.M. Zerwas, W. Kilian","cross_cats":["hep-ex"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-04-09T13:09:25Z","title":"Production of Neutral Higgs-Boson Pairs at LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9904287","kind":"arxiv","version":1},"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":"sha256:58c0b05ecab9ea86d0fa44698327e6960c48990985c217f0f492d7c41e59f463","target":"record","created_at":"2026-05-18T04:13:17Z","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":"279fb812ca9943042802aa6f5108b4bdaa7e6c52749e6f95fdf6378946668929","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"1999-04-09T13:09:25Z","title_canon_sha256":"9ba44f5a8cd281af730b6a0c704a3c9f14162185b96e97d1d47b650c522103cc"},"schema_version":"1.0","source":{"id":"hep-ph/9904287","kind":"arxiv","version":1}},"canonical_sha256":"cb9fe4b7fa0fe917b8f0e9efc674289749147f9827b6853a63600c5a92613f57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb9fe4b7fa0fe917b8f0e9efc674289749147f9827b6853a63600c5a92613f57","first_computed_at":"2026-05-18T04:13:17.492888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:13:17.492888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i7owyMKa7Uu41deyVfgKa+L7NnmotQFlxPgwyjyQH/g1Mdp71wLjumEUHMaRsXYjB0rhFrUYlOIv31K5ax+uCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:13:17.493449Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9904287","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58c0b05ecab9ea86d0fa44698327e6960c48990985c217f0f492d7c41e59f463","sha256:58df9ff3ff3a0a1ee42cafc7bd5d436c9d4598b5fc429aba6c6ffe68fa1535fb"],"state_sha256":"f6136cdbb122945a65b6ced668b69e9475b38a655ec1a25cbcf0ff29af6d805f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZH0aWgtMmfJ5RuR1CyvQQQS6lMRN9Sx5oqYKLxLNS+cRFtGcMIlBp3X59niyib6R6ZiEKVa3T7LBFBG0HQcDDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T15:48:53.552649Z","bundle_sha256":"c4c2e1286864bfbf9cb5657ed1a56110fd0e9bc303699837902be94178693ee2"}}