{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QYC2GEL7HX7PPNIBRJKXMWNXGG","short_pith_number":"pith:QYC2GEL7","canonical_record":{"source":{"id":"1906.02198","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-05T18:00:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f09305df7773f997017d9aa6d9b86d17c8b2a07fc3764cdecd6c88ef48805704","abstract_canon_sha256":"b737414140c882d85d85ff504e316da30ae67621aa5fb2ed0e68340b877aef0b"},"schema_version":"1.0"},"canonical_sha256":"8605a3117f3dfef7b5018a557659b73199704fa8d428746d9885bda39278bf19","source":{"kind":"arxiv","id":"1906.02198","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02198","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02198v2","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02198","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"pith_short_12","alias_value":"QYC2GEL7HX7P","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"pith_short_16","alias_value":"QYC2GEL7HX7PPNIB","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"pith_short_8","alias_value":"QYC2GEL7","created_at":"2026-07-05T00:18:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QYC2GEL7HX7PPNIBRJKXMWNXGG","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02198","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-05T18:00:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f09305df7773f997017d9aa6d9b86d17c8b2a07fc3764cdecd6c88ef48805704","abstract_canon_sha256":"b737414140c882d85d85ff504e316da30ae67621aa5fb2ed0e68340b877aef0b"},"schema_version":"1.0"},"canonical_sha256":"8605a3117f3dfef7b5018a557659b73199704fa8d428746d9885bda39278bf19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:18:51.476925Z","signature_b64":"jzBYz47POr8TWtKBW6xFKYTCeCXrOe8kLDUZxx6EcG4cARgvt+rOFyvy34ZPZ4eJkCjtlaj4Ww3+menn+i4bCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8605a3117f3dfef7b5018a557659b73199704fa8d428746d9885bda39278bf19","last_reissued_at":"2026-07-05T00:18:51.476439Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:18:51.476439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02198","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":"2026-07-05T00:18:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TcAVZXWOhSrClO24p61uVu3bwPVpSS4emJo7uLmnWluIGEgewMYW4w1TPOJIFJwEMGOjarKatLWhUTlb99HqCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T16:27:49.158443Z"},"content_sha256":"135de1c492069b4c063de0f765c5c954871c8cc607417d45acdfc41edbfc24aa","schema_version":"1.0","event_id":"sha256:135de1c492069b4c063de0f765c5c954871c8cc607417d45acdfc41edbfc24aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QYC2GEL7HX7PPNIBRJKXMWNXGG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light Hidden Mesons through the Z Portal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Christopher B. Verhaaren, Ennio Salvioni, Hsin-Chia Cheng, Lingfeng Li","submitted_at":"2019-06-05T18:00:00Z","abstract_excerpt":"Confining hidden sectors are an attractive possibility for physics beyond the Standard Model (SM). They are especially motivated by neutral naturalness theories, which reconcile the lightness of the Higgs with the strong constraints on colored top partners. We study hidden QCD with one light quark flavor, coupled to the SM via effective operators suppressed by the mass $M$ of new electroweak-charged particles. This effective field theory is inspired by a new tripled top model of supersymmetric neutral naturalness. The hidden sector is accessed primarily via the $Z$ and Higgs portals, which als"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02198","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1906.02198/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:18:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GSZiLxV+EA04e8zmNq0hPkTy/fdO4TlECJi1D2kjE3ZRhnK2NAZsUnBVrQ8JZOtBMaL+lru9oUVE35huj2K2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T16:27:49.159305Z"},"content_sha256":"aa94cc54b5e5098b127d1984edf74aa0c336d72feb4a90b54b09fd30558425f3","schema_version":"1.0","event_id":"sha256:aa94cc54b5e5098b127d1984edf74aa0c336d72feb4a90b54b09fd30558425f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG/bundle.json","state_url":"https://pith.science/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG/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":"2026-08-11T16:27:49Z","links":{"resolver":"https://pith.science/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG","bundle":"https://pith.science/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG/bundle.json","state":"https://pith.science/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYC2GEL7HX7PPNIBRJKXMWNXGG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QYC2GEL7HX7PPNIBRJKXMWNXGG","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":"b737414140c882d85d85ff504e316da30ae67621aa5fb2ed0e68340b877aef0b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-05T18:00:00Z","title_canon_sha256":"f09305df7773f997017d9aa6d9b86d17c8b2a07fc3764cdecd6c88ef48805704"},"schema_version":"1.0","source":{"id":"1906.02198","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02198","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02198v2","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02198","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"pith_short_12","alias_value":"QYC2GEL7HX7P","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"pith_short_16","alias_value":"QYC2GEL7HX7PPNIB","created_at":"2026-07-05T00:18:51Z"},{"alias_kind":"pith_short_8","alias_value":"QYC2GEL7","created_at":"2026-07-05T00:18:51Z"}],"graph_snapshots":[{"event_id":"sha256:aa94cc54b5e5098b127d1984edf74aa0c336d72feb4a90b54b09fd30558425f3","target":"graph","created_at":"2026-07-05T00:18:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1906.02198/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Confining hidden sectors are an attractive possibility for physics beyond the Standard Model (SM). They are especially motivated by neutral naturalness theories, which reconcile the lightness of the Higgs with the strong constraints on colored top partners. We study hidden QCD with one light quark flavor, coupled to the SM via effective operators suppressed by the mass $M$ of new electroweak-charged particles. This effective field theory is inspired by a new tripled top model of supersymmetric neutral naturalness. The hidden sector is accessed primarily via the $Z$ and Higgs portals, which als","authors_text":"Christopher B. Verhaaren, Ennio Salvioni, Hsin-Chia Cheng, Lingfeng Li","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-05T18:00:00Z","title":"Light Hidden Mesons through the Z Portal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02198","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":"sha256:135de1c492069b4c063de0f765c5c954871c8cc607417d45acdfc41edbfc24aa","target":"record","created_at":"2026-07-05T00:18:51Z","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":"b737414140c882d85d85ff504e316da30ae67621aa5fb2ed0e68340b877aef0b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-05T18:00:00Z","title_canon_sha256":"f09305df7773f997017d9aa6d9b86d17c8b2a07fc3764cdecd6c88ef48805704"},"schema_version":"1.0","source":{"id":"1906.02198","kind":"arxiv","version":2}},"canonical_sha256":"8605a3117f3dfef7b5018a557659b73199704fa8d428746d9885bda39278bf19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8605a3117f3dfef7b5018a557659b73199704fa8d428746d9885bda39278bf19","first_computed_at":"2026-07-05T00:18:51.476439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:18:51.476439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jzBYz47POr8TWtKBW6xFKYTCeCXrOe8kLDUZxx6EcG4cARgvt+rOFyvy34ZPZ4eJkCjtlaj4Ww3+menn+i4bCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:18:51.476925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02198","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:135de1c492069b4c063de0f765c5c954871c8cc607417d45acdfc41edbfc24aa","sha256:aa94cc54b5e5098b127d1984edf74aa0c336d72feb4a90b54b09fd30558425f3"],"state_sha256":"22b3dfeea6c09081590451ba5225538e6a7ed3798e0e187b2a23ae3578af77e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y5HMTtRIPFhvkzDfVDq11Xcs1TZ1uTL/5pW9rbabWzJ9hAhCLuGBmS5MIaW5mDMtLqL5DO9pu/gxrPUImKA9DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T16:27:49.165186Z","bundle_sha256":"f01f414e9674ae9045ad30910b9f5c8d69c9b3e8b3fec79129940d72c7cb5327"}}