{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:EF5ACBM3JHHHH2K7CEK46NL7K5","short_pith_number":"pith:EF5ACBM3","canonical_record":{"source":{"id":"2111.05664","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-10T12:10:53Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"8931f31b40253025d25349dd945cace1177ed16fac79453ba602e5285617a6e2","abstract_canon_sha256":"5cf6f74e9b04cf54df7bd3abd24a68ca9685ba5e71e69c21c98edd4a54e6a082"},"schema_version":"1.0"},"canonical_sha256":"217a01059b49ce73e95f1115cf357f577e48ec838c12f9474675fd71b6c64fec","source":{"kind":"arxiv","id":"2111.05664","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.05664","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"arxiv_version","alias_value":"2111.05664v3","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.05664","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"pith_short_12","alias_value":"EF5ACBM3JHHH","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"pith_short_16","alias_value":"EF5ACBM3JHHHH2K7","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"pith_short_8","alias_value":"EF5ACBM3","created_at":"2026-07-05T03:54:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:EF5ACBM3JHHHH2K7CEK46NL7K5","target":"record","payload":{"canonical_record":{"source":{"id":"2111.05664","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-10T12:10:53Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"8931f31b40253025d25349dd945cace1177ed16fac79453ba602e5285617a6e2","abstract_canon_sha256":"5cf6f74e9b04cf54df7bd3abd24a68ca9685ba5e71e69c21c98edd4a54e6a082"},"schema_version":"1.0"},"canonical_sha256":"217a01059b49ce73e95f1115cf357f577e48ec838c12f9474675fd71b6c64fec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:54:25.183830Z","signature_b64":"G00OZ7dhLhaTSwtWxv8sFFo09w94e5PMaCVSFTy43qPKLloDgA117iL3Pwn6UZYohr4BKlV4G+pvQfglrtmEDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"217a01059b49ce73e95f1115cf357f577e48ec838c12f9474675fd71b6c64fec","last_reissued_at":"2026-07-05T03:54:25.183431Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:54:25.183431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.05664","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:54:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yCpyerKVEiKPyx78/Yz3l90vIluvedb+e61bPVnV7amIQNbXH53k6V02j8tFc/6QrykeZMjRs8WWt7fZrBWOCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:29:41.997995Z"},"content_sha256":"435b0559dec564a2cdc4e354e597b43383e9b2be9fb51d603808f00924f741bc","schema_version":"1.0","event_id":"sha256:435b0559dec564a2cdc4e354e597b43383e9b2be9fb51d603808f00924f741bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:EF5ACBM3JHHHH2K7CEK46NL7K5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on the dark photon from deep inelastic scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"A. G. Williams, A. W. Thomas, X. G. Wang","submitted_at":"2021-11-10T12:10:53Z","abstract_excerpt":"We investigate constraints on the dark photon arising from an analysis of deep inelastic scattering (DIS) data. We perform extractions of parton distribution functions (PDFs) with and without a dark photon being present and allow the dark photon mixing parameter and mass to vary. We also include the effects of vector meson dominance to ensure the correct photo-production limit. By considering the variation of the total $\\chi^2$ arising from such extractions we infer exclusion limits on the kinetic mixing parameter of the dark photon for dark photon mass up to $80\\ {\\rm GeV}$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.05664","kind":"arxiv","version":3},"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/2111.05664/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":"2026-07-05T03:54:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5d8LoxGk5s/ZR2OWWxP2AVJL8yW/5Owdg7oPaVQsQF8Tt3sXNdRCrhksSRlHEaf4dLLcXzOIk+qPhlhKZcNyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:29:41.998520Z"},"content_sha256":"7f35e76d665de950bbe580ff9323551e3bc40d28d87c1b947bca1237913bcca8","schema_version":"1.0","event_id":"sha256:7f35e76d665de950bbe580ff9323551e3bc40d28d87c1b947bca1237913bcca8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EF5ACBM3JHHHH2K7CEK46NL7K5/bundle.json","state_url":"https://pith.science/pith/EF5ACBM3JHHHH2K7CEK46NL7K5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EF5ACBM3JHHHH2K7CEK46NL7K5/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":"2026-08-04T21:29:42Z","links":{"resolver":"https://pith.science/pith/EF5ACBM3JHHHH2K7CEK46NL7K5","bundle":"https://pith.science/pith/EF5ACBM3JHHHH2K7CEK46NL7K5/bundle.json","state":"https://pith.science/pith/EF5ACBM3JHHHH2K7CEK46NL7K5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EF5ACBM3JHHHH2K7CEK46NL7K5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:EF5ACBM3JHHHH2K7CEK46NL7K5","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":"5cf6f74e9b04cf54df7bd3abd24a68ca9685ba5e71e69c21c98edd4a54e6a082","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-10T12:10:53Z","title_canon_sha256":"8931f31b40253025d25349dd945cace1177ed16fac79453ba602e5285617a6e2"},"schema_version":"1.0","source":{"id":"2111.05664","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.05664","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"arxiv_version","alias_value":"2111.05664v3","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.05664","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"pith_short_12","alias_value":"EF5ACBM3JHHH","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"pith_short_16","alias_value":"EF5ACBM3JHHHH2K7","created_at":"2026-07-05T03:54:25Z"},{"alias_kind":"pith_short_8","alias_value":"EF5ACBM3","created_at":"2026-07-05T03:54:25Z"}],"graph_snapshots":[{"event_id":"sha256:7f35e76d665de950bbe580ff9323551e3bc40d28d87c1b947bca1237913bcca8","target":"graph","created_at":"2026-07-05T03:54:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2111.05664/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate constraints on the dark photon arising from an analysis of deep inelastic scattering (DIS) data. We perform extractions of parton distribution functions (PDFs) with and without a dark photon being present and allow the dark photon mixing parameter and mass to vary. We also include the effects of vector meson dominance to ensure the correct photo-production limit. By considering the variation of the total $\\chi^2$ arising from such extractions we infer exclusion limits on the kinetic mixing parameter of the dark photon for dark photon mass up to $80\\ {\\rm GeV}$.","authors_text":"A. G. Williams, A. W. Thomas, X. G. Wang","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-10T12:10:53Z","title":"Constraints on the dark photon from deep inelastic scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.05664","kind":"arxiv","version":3},"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":"sha256:435b0559dec564a2cdc4e354e597b43383e9b2be9fb51d603808f00924f741bc","target":"record","created_at":"2026-07-05T03:54:25Z","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":"5cf6f74e9b04cf54df7bd3abd24a68ca9685ba5e71e69c21c98edd4a54e6a082","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-10T12:10:53Z","title_canon_sha256":"8931f31b40253025d25349dd945cace1177ed16fac79453ba602e5285617a6e2"},"schema_version":"1.0","source":{"id":"2111.05664","kind":"arxiv","version":3}},"canonical_sha256":"217a01059b49ce73e95f1115cf357f577e48ec838c12f9474675fd71b6c64fec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"217a01059b49ce73e95f1115cf357f577e48ec838c12f9474675fd71b6c64fec","first_computed_at":"2026-07-05T03:54:25.183431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:54:25.183431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G00OZ7dhLhaTSwtWxv8sFFo09w94e5PMaCVSFTy43qPKLloDgA117iL3Pwn6UZYohr4BKlV4G+pvQfglrtmEDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:54:25.183830Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.05664","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:435b0559dec564a2cdc4e354e597b43383e9b2be9fb51d603808f00924f741bc","sha256:7f35e76d665de950bbe580ff9323551e3bc40d28d87c1b947bca1237913bcca8"],"state_sha256":"dc0007df04a2c52d62aa5e2b266fd88a7c9968d8aacaa72497d7f5f822201ed0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVDB+RcE/jnsOpRCD2e9F33yOq9tKJ2FofxKDqZzMf+jGJwOZ7grOZ1iNpnRAIEBp3IIXXhwfJlLxe8MqJCBCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:29:42.003769Z","bundle_sha256":"b53bdafefe80cbc6c008ce59476a438caec7b563da9d7e63c278c00e632f6364"}}