{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3FPOJ2W4RQCQ7YQIHOBASRXN5B","short_pith_number":"pith:3FPOJ2W4","canonical_record":{"source":{"id":"1607.04643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-07-15T20:00:05Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"fecd3c229b5ed4355578f69b29c0a82509f3bfb069078e9f6d239aaec58792fc","abstract_canon_sha256":"9205a428d30db2199de4b1bd56330d31a3fc24a6263bc4cc6b2b85373c3e873a"},"schema_version":"1.0"},"canonical_sha256":"d95ee4eadc8c050fe2083b820946ede877b1c7455a2579ec96ef9f23d1145f6a","source":{"kind":"arxiv","id":"1607.04643","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.04643","created_at":"2026-05-18T00:53:25Z"},{"alias_kind":"arxiv_version","alias_value":"1607.04643v1","created_at":"2026-05-18T00:53:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.04643","created_at":"2026-05-18T00:53:25Z"},{"alias_kind":"pith_short_12","alias_value":"3FPOJ2W4RQCQ","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3FPOJ2W4RQCQ7YQI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3FPOJ2W4","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3FPOJ2W4RQCQ7YQIHOBASRXN5B","target":"record","payload":{"canonical_record":{"source":{"id":"1607.04643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-07-15T20:00:05Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"fecd3c229b5ed4355578f69b29c0a82509f3bfb069078e9f6d239aaec58792fc","abstract_canon_sha256":"9205a428d30db2199de4b1bd56330d31a3fc24a6263bc4cc6b2b85373c3e873a"},"schema_version":"1.0"},"canonical_sha256":"d95ee4eadc8c050fe2083b820946ede877b1c7455a2579ec96ef9f23d1145f6a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:25.782756Z","signature_b64":"RaYSY0wNWgDlXP7YltcCNOpKMcqnYCYT4cR/A68cdS4VF0MU6Z9NX+JhKpHhl7miVgcmgnrL4s5I0X7YI1UkAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d95ee4eadc8c050fe2083b820946ede877b1c7455a2579ec96ef9f23d1145f6a","last_reissued_at":"2026-05-18T00:53:25.782212Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:25.782212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.04643","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":"2026-05-18T00:53:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mHgZTjh3DF9JT1x4aBVBG8YNDxcWTVvy9xq8gGW/5YvL88B8kJglRlMALWSKElS0murD0208ECTgwVGL4GMzBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:19:51.181933Z"},"content_sha256":"f5bd18dee44b9a597e9c89d199f93d30c10504b968f077cf040d202e40b1efe6","schema_version":"1.0","event_id":"sha256:f5bd18dee44b9a597e9c89d199f93d30c10504b968f077cf040d202e40b1efe6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3FPOJ2W4RQCQ7YQIHOBASRXN5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral heavy fermions in a two Higgs doublet model: 750 GeV resonance or not","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Amarjit Soni, Shaouly Bar-Shalom","submitted_at":"2016-07-15T20:00:05Z","abstract_excerpt":"We revisit models where a heavy chiral 4th generation doublet of fermions is embedded in a class of two Higgs doublets models (2HDM) with a discrete $Z_2$ symmetry, which couples the \"heavy\" scalar doublet only to the 4th generation fermions and the \"light\" one to the Standard Model (SM) fermions - the so-called 4G2HDM introduced by us several years ago. We study the constraints imposed on the 4G2HDM from direct searches of heavy fermions, from precision electroweak data (PEWD) and from the measured production and decay signals of the 125 GeV scalar, which in the 4G2HDM corresponds to the ligh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.04643","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":"2026-05-18T00:53:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hfcY33GJ8q4yPhDLIgKxZzodatyNRSBZjWOD+p2NBKiJZu4aGDhfi0P8uLMfhGgPns2upA4wMerFuHPQwsy0AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:19:51.182279Z"},"content_sha256":"7df0e3c1cdcc468a2b5afbbc6e7467dfdaa88aecf0cf45ff22cdaf8ae6f07510","schema_version":"1.0","event_id":"sha256:7df0e3c1cdcc468a2b5afbbc6e7467dfdaa88aecf0cf45ff22cdaf8ae6f07510"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B/bundle.json","state_url":"https://pith.science/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B/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":"2026-06-04T05:19:51Z","links":{"resolver":"https://pith.science/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B","bundle":"https://pith.science/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B/bundle.json","state":"https://pith.science/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FPOJ2W4RQCQ7YQIHOBASRXN5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3FPOJ2W4RQCQ7YQIHOBASRXN5B","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":"9205a428d30db2199de4b1bd56330d31a3fc24a6263bc4cc6b2b85373c3e873a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-07-15T20:00:05Z","title_canon_sha256":"fecd3c229b5ed4355578f69b29c0a82509f3bfb069078e9f6d239aaec58792fc"},"schema_version":"1.0","source":{"id":"1607.04643","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.04643","created_at":"2026-05-18T00:53:25Z"},{"alias_kind":"arxiv_version","alias_value":"1607.04643v1","created_at":"2026-05-18T00:53:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.04643","created_at":"2026-05-18T00:53:25Z"},{"alias_kind":"pith_short_12","alias_value":"3FPOJ2W4RQCQ","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3FPOJ2W4RQCQ7YQI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3FPOJ2W4","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:7df0e3c1cdcc468a2b5afbbc6e7467dfdaa88aecf0cf45ff22cdaf8ae6f07510","target":"graph","created_at":"2026-05-18T00:53:25Z","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 revisit models where a heavy chiral 4th generation doublet of fermions is embedded in a class of two Higgs doublets models (2HDM) with a discrete $Z_2$ symmetry, which couples the \"heavy\" scalar doublet only to the 4th generation fermions and the \"light\" one to the Standard Model (SM) fermions - the so-called 4G2HDM introduced by us several years ago. We study the constraints imposed on the 4G2HDM from direct searches of heavy fermions, from precision electroweak data (PEWD) and from the measured production and decay signals of the 125 GeV scalar, which in the 4G2HDM corresponds to the ligh","authors_text":"Amarjit Soni, Shaouly Bar-Shalom","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-07-15T20:00:05Z","title":"Chiral heavy fermions in a two Higgs doublet model: 750 GeV resonance or not"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.04643","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:f5bd18dee44b9a597e9c89d199f93d30c10504b968f077cf040d202e40b1efe6","target":"record","created_at":"2026-05-18T00:53:25Z","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":"9205a428d30db2199de4b1bd56330d31a3fc24a6263bc4cc6b2b85373c3e873a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-07-15T20:00:05Z","title_canon_sha256":"fecd3c229b5ed4355578f69b29c0a82509f3bfb069078e9f6d239aaec58792fc"},"schema_version":"1.0","source":{"id":"1607.04643","kind":"arxiv","version":1}},"canonical_sha256":"d95ee4eadc8c050fe2083b820946ede877b1c7455a2579ec96ef9f23d1145f6a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d95ee4eadc8c050fe2083b820946ede877b1c7455a2579ec96ef9f23d1145f6a","first_computed_at":"2026-05-18T00:53:25.782212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:25.782212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RaYSY0wNWgDlXP7YltcCNOpKMcqnYCYT4cR/A68cdS4VF0MU6Z9NX+JhKpHhl7miVgcmgnrL4s5I0X7YI1UkAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:25.782756Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.04643","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5bd18dee44b9a597e9c89d199f93d30c10504b968f077cf040d202e40b1efe6","sha256:7df0e3c1cdcc468a2b5afbbc6e7467dfdaa88aecf0cf45ff22cdaf8ae6f07510"],"state_sha256":"9b3c236f0f25ec5d8758c7584e5531ea22f0f200590f2db170b22ab686d5720e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EppxYOESZ5+HX3kUCAdceZ9STYD/S5czKTJQ1uGfaakXrZlFD6DkgQdRZqvtyjjL6jLeZrkGs4aZkm3bFh4/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T05:19:51.184652Z","bundle_sha256":"f53b0e1ab7e58701d0a66794151dbb6c66277759fcbadefb3b6c7fbf60c1b5c2"}}