{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5EDEKXMOCOJSPY4EXYBNVKI7M3","short_pith_number":"pith:5EDEKXMO","canonical_record":{"source":{"id":"1812.11943","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-31T18:28:53Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"6e79193dc976ca79d9b659ea42c97aa12705a7d6eaacdab725c5ee74cbe15c08","abstract_canon_sha256":"1e5d00f668878eab843f4572ec293105652cb50aa51c8ec81d1ea6ba530a2df1"},"schema_version":"1.0"},"canonical_sha256":"e906455d8e139327e384be02daa91f66f3fdbbdb42626e7dae32186a5a4faf45","source":{"kind":"arxiv","id":"1812.11943","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.11943","created_at":"2026-05-17T23:52:03Z"},{"alias_kind":"arxiv_version","alias_value":"1812.11943v2","created_at":"2026-05-17T23:52:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.11943","created_at":"2026-05-17T23:52:03Z"},{"alias_kind":"pith_short_12","alias_value":"5EDEKXMOCOJS","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5EDEKXMOCOJSPY4E","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5EDEKXMO","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5EDEKXMOCOJSPY4EXYBNVKI7M3","target":"record","payload":{"canonical_record":{"source":{"id":"1812.11943","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-31T18:28:53Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"6e79193dc976ca79d9b659ea42c97aa12705a7d6eaacdab725c5ee74cbe15c08","abstract_canon_sha256":"1e5d00f668878eab843f4572ec293105652cb50aa51c8ec81d1ea6ba530a2df1"},"schema_version":"1.0"},"canonical_sha256":"e906455d8e139327e384be02daa91f66f3fdbbdb42626e7dae32186a5a4faf45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:03.443511Z","signature_b64":"vnRpOcWGpc9A2dWXjbE16t7RwsWHEhKB2dbxttIgjxWRyxqgjw46LgJcWasEjpRSITtGkeNrSXXyo344TPucAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e906455d8e139327e384be02daa91f66f3fdbbdb42626e7dae32186a5a4faf45","last_reissued_at":"2026-05-17T23:52:03.442870Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:03.442870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.11943","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":"2026-05-17T23:52:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fzqgczuatv+jeLG8nQmN7R3Fm0wAHZppEYF2uI0SfqNe9DU4S13782Xzb/0AIM0gdTKSURyq4rJtN5XGiw7NAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:47:40.387560Z"},"content_sha256":"728218a82e0bf5fd7abb7ce62374040234438085b9cc6c1d9da35637fe967ef4","schema_version":"1.0","event_id":"sha256:728218a82e0bf5fd7abb7ce62374040234438085b9cc6c1d9da35637fe967ef4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5EDEKXMOCOJSPY4EXYBNVKI7M3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced Di-Higgs Production in the Two Higgs Doublet Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"K.S. Babu, Sudip Jana","submitted_at":"2018-12-31T18:28:53Z","abstract_excerpt":"We show that the rate for di-Higgs production at the LHC can be enhanced by a factor as large as 25 compared to the Standard Model value in the two Higgs doublet model while being consistent with the known properties of the observed Higgs boson $h$. There are correlated modifications in $t\\overline{t}h$ and resonant $Zh$ production rates, which can serve as tests of this model. Our framework treats both Higgs doublets on equal footing, each with comparable Yukawa couplings to fermions. The Cheng-Sher ansatz for multi-Higgs doublet model is shown to be strongly disfavored by current experiments"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.11943","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":"2026-05-17T23:52:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x+oVzIeNKuPMbhFjqp7OHQuwoWcCixGDz4Meo33ZVMILQ72wyrLwNCRlCWOBLgF2HSK/ZJoJji33LZgS07EfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:47:40.388097Z"},"content_sha256":"62191a7b76eae59bc4f2a58abb0d5dc54cdc62acbfcaf5c6b63f05fcf14ed069","schema_version":"1.0","event_id":"sha256:62191a7b76eae59bc4f2a58abb0d5dc54cdc62acbfcaf5c6b63f05fcf14ed069"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3/bundle.json","state_url":"https://pith.science/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3/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":"2026-08-15T05:47:40Z","links":{"resolver":"https://pith.science/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3","bundle":"https://pith.science/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3/bundle.json","state":"https://pith.science/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5EDEKXMOCOJSPY4EXYBNVKI7M3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5EDEKXMOCOJSPY4EXYBNVKI7M3","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":"1e5d00f668878eab843f4572ec293105652cb50aa51c8ec81d1ea6ba530a2df1","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-31T18:28:53Z","title_canon_sha256":"6e79193dc976ca79d9b659ea42c97aa12705a7d6eaacdab725c5ee74cbe15c08"},"schema_version":"1.0","source":{"id":"1812.11943","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.11943","created_at":"2026-05-17T23:52:03Z"},{"alias_kind":"arxiv_version","alias_value":"1812.11943v2","created_at":"2026-05-17T23:52:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.11943","created_at":"2026-05-17T23:52:03Z"},{"alias_kind":"pith_short_12","alias_value":"5EDEKXMOCOJS","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5EDEKXMOCOJSPY4E","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5EDEKXMO","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:62191a7b76eae59bc4f2a58abb0d5dc54cdc62acbfcaf5c6b63f05fcf14ed069","target":"graph","created_at":"2026-05-17T23:52:03Z","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 show that the rate for di-Higgs production at the LHC can be enhanced by a factor as large as 25 compared to the Standard Model value in the two Higgs doublet model while being consistent with the known properties of the observed Higgs boson $h$. There are correlated modifications in $t\\overline{t}h$ and resonant $Zh$ production rates, which can serve as tests of this model. Our framework treats both Higgs doublets on equal footing, each with comparable Yukawa couplings to fermions. The Cheng-Sher ansatz for multi-Higgs doublet model is shown to be strongly disfavored by current experiments","authors_text":"K.S. Babu, Sudip Jana","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-31T18:28:53Z","title":"Enhanced Di-Higgs Production in the Two Higgs Doublet Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.11943","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":"sha256:728218a82e0bf5fd7abb7ce62374040234438085b9cc6c1d9da35637fe967ef4","target":"record","created_at":"2026-05-17T23:52:03Z","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":"1e5d00f668878eab843f4572ec293105652cb50aa51c8ec81d1ea6ba530a2df1","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-31T18:28:53Z","title_canon_sha256":"6e79193dc976ca79d9b659ea42c97aa12705a7d6eaacdab725c5ee74cbe15c08"},"schema_version":"1.0","source":{"id":"1812.11943","kind":"arxiv","version":2}},"canonical_sha256":"e906455d8e139327e384be02daa91f66f3fdbbdb42626e7dae32186a5a4faf45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e906455d8e139327e384be02daa91f66f3fdbbdb42626e7dae32186a5a4faf45","first_computed_at":"2026-05-17T23:52:03.442870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:03.442870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vnRpOcWGpc9A2dWXjbE16t7RwsWHEhKB2dbxttIgjxWRyxqgjw46LgJcWasEjpRSITtGkeNrSXXyo344TPucAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:03.443511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.11943","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:728218a82e0bf5fd7abb7ce62374040234438085b9cc6c1d9da35637fe967ef4","sha256:62191a7b76eae59bc4f2a58abb0d5dc54cdc62acbfcaf5c6b63f05fcf14ed069"],"state_sha256":"d33567c2acf774e76c3635cddad46778ce126debd8b6e831a1b8fefcaf685677"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZAmAcgrvDN2yH7fvkSuAch5LpVW5S5LY+3AXA9YaQlZztPfJg5++lXG4RCzjJsr/w8wUEnRid3ygaSIKWvnyAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T05:47:40.392465Z","bundle_sha256":"dd99d747d2bbfcae47c21caea564cdaa4fd4264c367aeb292ed419ecef5a7824"}}