{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:V4GSITZII3YE2GFIZYJZLGNIQL","short_pith_number":"pith:V4GSITZI","canonical_record":{"source":{"id":"1605.02498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-09T09:52:03Z","cross_cats_sorted":[],"title_canon_sha256":"893ef30215e28dc6883cdc0a4f0c8f11dcd9430c443768e518fcaede16e213c2","abstract_canon_sha256":"39a851107aef53e0b3bfeca9dddc08102e72dd1d61eff0697e3a73d255ab0b37"},"schema_version":"1.0"},"canonical_sha256":"af0d244f2846f04d18a8ce139599a882fb57e2cc2b6de344c0032248a8f2b651","source":{"kind":"arxiv","id":"1605.02498","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.02498","created_at":"2026-05-18T00:55:39Z"},{"alias_kind":"arxiv_version","alias_value":"1605.02498v2","created_at":"2026-05-18T00:55:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.02498","created_at":"2026-05-18T00:55:39Z"},{"alias_kind":"pith_short_12","alias_value":"V4GSITZII3YE","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"V4GSITZII3YE2GFI","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"V4GSITZI","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:V4GSITZII3YE2GFIZYJZLGNIQL","target":"record","payload":{"canonical_record":{"source":{"id":"1605.02498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-09T09:52:03Z","cross_cats_sorted":[],"title_canon_sha256":"893ef30215e28dc6883cdc0a4f0c8f11dcd9430c443768e518fcaede16e213c2","abstract_canon_sha256":"39a851107aef53e0b3bfeca9dddc08102e72dd1d61eff0697e3a73d255ab0b37"},"schema_version":"1.0"},"canonical_sha256":"af0d244f2846f04d18a8ce139599a882fb57e2cc2b6de344c0032248a8f2b651","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:39.194607Z","signature_b64":"38ediGN9rWJCyXIx3WfwKXEBTSa+PDcU9QZR8FEAoLVXYGw6iWyyHY+6x+/uqWer4d6bUKJflWxGy659EqfgBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af0d244f2846f04d18a8ce139599a882fb57e2cc2b6de344c0032248a8f2b651","last_reissued_at":"2026-05-18T00:55:39.194155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:39.194155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.02498","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":"2026-05-18T00:55:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VYjjEhGzqXsLrucadoLGocZOxp5e7S4cbfPgezYibBLaOXDqs+sL0GYDbNkIjQRKyzq1adduyeHi/WR2Xxu8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:13:47.709218Z"},"content_sha256":"2434ad9280da8ca1bf10ddb722ae5fb1c33220c5fb81faba37bcca4f115bfd03","schema_version":"1.0","event_id":"sha256:2434ad9280da8ca1bf10ddb722ae5fb1c33220c5fb81faba37bcca4f115bfd03"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:V4GSITZII3YE2GFIZYJZLGNIQL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electroweak production of light scalar-pseudoscalar pairs from extended Higgs sectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Rikard Enberg, Shoaib Munir, Stefano Moretti, William Klemm","submitted_at":"2016-05-09T09:52:03Z","abstract_excerpt":"In models with extended Higgs sectors, it is possible that the Higgs boson discovered at the LHC is not the lightest one. We show that in a realistic model (the Type I 2-Higgs Doublet Model), when the sum of the masses of a light scalar and a pseudoscalar ($h$ and $A$) is smaller than the $Z$ boson mass, the Electroweak (EW) production of an $hA$ pair can dominate over QCD production by orders of magnitude, a fact not previously highlighted. This is because in the $gg$-initiated process, $hA$ production via a resonant $Z$ in the $s$-channel is prohibited according to the Landau-Yang theorem, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.02498","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":"2026-05-18T00:55:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OV0E3sJWILsRkilmQ8ek3Snb4rTGmuLzzE52EYh7D5E7+lZvDU3UsXe4E1U/KxJdnWrvBhyUES2BI9TdPeh8DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:13:47.709602Z"},"content_sha256":"fee35d380568f15dbdfac2ccdc79641c947a53f817f463919fb6853265f48207","schema_version":"1.0","event_id":"sha256:fee35d380568f15dbdfac2ccdc79641c947a53f817f463919fb6853265f48207"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V4GSITZII3YE2GFIZYJZLGNIQL/bundle.json","state_url":"https://pith.science/pith/V4GSITZII3YE2GFIZYJZLGNIQL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V4GSITZII3YE2GFIZYJZLGNIQL/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":"2026-05-27T02:13:47Z","links":{"resolver":"https://pith.science/pith/V4GSITZII3YE2GFIZYJZLGNIQL","bundle":"https://pith.science/pith/V4GSITZII3YE2GFIZYJZLGNIQL/bundle.json","state":"https://pith.science/pith/V4GSITZII3YE2GFIZYJZLGNIQL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V4GSITZII3YE2GFIZYJZLGNIQL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:V4GSITZII3YE2GFIZYJZLGNIQL","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":"39a851107aef53e0b3bfeca9dddc08102e72dd1d61eff0697e3a73d255ab0b37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-09T09:52:03Z","title_canon_sha256":"893ef30215e28dc6883cdc0a4f0c8f11dcd9430c443768e518fcaede16e213c2"},"schema_version":"1.0","source":{"id":"1605.02498","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.02498","created_at":"2026-05-18T00:55:39Z"},{"alias_kind":"arxiv_version","alias_value":"1605.02498v2","created_at":"2026-05-18T00:55:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.02498","created_at":"2026-05-18T00:55:39Z"},{"alias_kind":"pith_short_12","alias_value":"V4GSITZII3YE","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"V4GSITZII3YE2GFI","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"V4GSITZI","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:fee35d380568f15dbdfac2ccdc79641c947a53f817f463919fb6853265f48207","target":"graph","created_at":"2026-05-18T00:55:39Z","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":"In models with extended Higgs sectors, it is possible that the Higgs boson discovered at the LHC is not the lightest one. We show that in a realistic model (the Type I 2-Higgs Doublet Model), when the sum of the masses of a light scalar and a pseudoscalar ($h$ and $A$) is smaller than the $Z$ boson mass, the Electroweak (EW) production of an $hA$ pair can dominate over QCD production by orders of magnitude, a fact not previously highlighted. This is because in the $gg$-initiated process, $hA$ production via a resonant $Z$ in the $s$-channel is prohibited according to the Landau-Yang theorem, w","authors_text":"Rikard Enberg, Shoaib Munir, Stefano Moretti, William Klemm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-09T09:52:03Z","title":"Electroweak production of light scalar-pseudoscalar pairs from extended Higgs sectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.02498","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":"sha256:2434ad9280da8ca1bf10ddb722ae5fb1c33220c5fb81faba37bcca4f115bfd03","target":"record","created_at":"2026-05-18T00:55:39Z","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":"39a851107aef53e0b3bfeca9dddc08102e72dd1d61eff0697e3a73d255ab0b37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-09T09:52:03Z","title_canon_sha256":"893ef30215e28dc6883cdc0a4f0c8f11dcd9430c443768e518fcaede16e213c2"},"schema_version":"1.0","source":{"id":"1605.02498","kind":"arxiv","version":2}},"canonical_sha256":"af0d244f2846f04d18a8ce139599a882fb57e2cc2b6de344c0032248a8f2b651","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af0d244f2846f04d18a8ce139599a882fb57e2cc2b6de344c0032248a8f2b651","first_computed_at":"2026-05-18T00:55:39.194155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:39.194155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"38ediGN9rWJCyXIx3WfwKXEBTSa+PDcU9QZR8FEAoLVXYGw6iWyyHY+6x+/uqWer4d6bUKJflWxGy659EqfgBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:39.194607Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.02498","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2434ad9280da8ca1bf10ddb722ae5fb1c33220c5fb81faba37bcca4f115bfd03","sha256:fee35d380568f15dbdfac2ccdc79641c947a53f817f463919fb6853265f48207"],"state_sha256":"5470c53d74c0a226176ddcc49df287f57f6ebcd65053de9dd5dd0c3bb39d66cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vmvZgievSOmQSmGWTx2i5tOradJv8bimA342mHb0QbS0aS+NhGj8HF0vn7TqBRCSov++7S66nBwn4f7krLvvDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:13:47.712025Z","bundle_sha256":"5354c1a8771aabaa9b4b44260d763f8a28530bf6148b39b006bac7c2768b6b8a"}}