{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HBPV5GWQGW6MMJOSTEZ4JVKSHH","short_pith_number":"pith:HBPV5GWQ","canonical_record":{"source":{"id":"1205.5764","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-05-25T17:47:50Z","cross_cats_sorted":[],"title_canon_sha256":"027508e5a870c695e1c7d85e92ca4a693bae10b31455f226d6b46ac0082cf8e0","abstract_canon_sha256":"58a2a85a3b00e94a05bd9e0c37dcb1894ede496e485cfa9fb9662615626abd2c"},"schema_version":"1.0"},"canonical_sha256":"385f5e9ad035bcc625d29933c4d55239e0b7f05871da56a725d514466d0d237c","source":{"kind":"arxiv","id":"1205.5764","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5764","created_at":"2026-05-18T02:21:09Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5764v2","created_at":"2026-05-18T02:21:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5764","created_at":"2026-05-18T02:21:09Z"},{"alias_kind":"pith_short_12","alias_value":"HBPV5GWQGW6M","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HBPV5GWQGW6MMJOS","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HBPV5GWQ","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HBPV5GWQGW6MMJOSTEZ4JVKSHH","target":"record","payload":{"canonical_record":{"source":{"id":"1205.5764","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-05-25T17:47:50Z","cross_cats_sorted":[],"title_canon_sha256":"027508e5a870c695e1c7d85e92ca4a693bae10b31455f226d6b46ac0082cf8e0","abstract_canon_sha256":"58a2a85a3b00e94a05bd9e0c37dcb1894ede496e485cfa9fb9662615626abd2c"},"schema_version":"1.0"},"canonical_sha256":"385f5e9ad035bcc625d29933c4d55239e0b7f05871da56a725d514466d0d237c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:09.491183Z","signature_b64":"Nuxp3V3WLyhQoYgN4FwvUV+eCkp0haDec1DBZvZlM4lCTTiFLTB8AMKOsjgUXQYunEYLYGa7gZWtjeb79bRfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"385f5e9ad035bcc625d29933c4d55239e0b7f05871da56a725d514466d0d237c","last_reissued_at":"2026-05-18T02:21:09.490793Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:09.490793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.5764","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":"2026-05-18T02:21:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dhcyd6LLem8jmQCccP1bax3R2KLj1jtdZFKF+eYpjm1q152BryOJZ5hJHm7FH3Ph9enNKOFnLu9C+zgRv9nODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:31:31.615988Z"},"content_sha256":"42822905a9f3f581994e590370d2446835b2ffb2c4e09473b99284b0126c4c74","schema_version":"1.0","event_id":"sha256:42822905a9f3f581994e590370d2446835b2ffb2c4e09473b99284b0126c4c74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HBPV5GWQGW6MMJOSTEZ4JVKSHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for the associated production of a W boson and a top quark in ATLAS at sqrt(s) = 7 TeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ATLAS Collaboration","submitted_at":"2012-05-25T17:47:50Z","abstract_excerpt":"This letter presents evidence for the associated production of a W boson and a top quark using 2.05 fb^-1 of pp collision data at sqrt(s) = 7 TeV accumulated with the ATLAS detector at the LHC. The analysis is based on the selection of the dileptonic final states with events featuring two isolated leptons, electron or muon, with significant transverse missing momentum and at least one jet. An approach based on boosted decision trees has been developed to improve the discrimination of single top-quark Wt events from background. A template fit to the final classifier distributions is performed t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5764","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":"2026-05-18T02:21:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d6Z5Pyhoc4fRY2xgXTjLOY5lX87tHme3MOEQMVhw9z+h0tGvBkTzz8y1ZmzqmMeKC4XzGluW0TEsRr4V185vAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:31:31.616442Z"},"content_sha256":"3d949546eb86966b3e406ca970e85dcdbe1a9dfcf81fe7402065d0a0b5f9f91c","schema_version":"1.0","event_id":"sha256:3d949546eb86966b3e406ca970e85dcdbe1a9dfcf81fe7402065d0a0b5f9f91c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH/bundle.json","state_url":"https://pith.science/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH/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":"2026-08-17T03:31:31Z","links":{"resolver":"https://pith.science/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH","bundle":"https://pith.science/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH/bundle.json","state":"https://pith.science/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HBPV5GWQGW6MMJOSTEZ4JVKSHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HBPV5GWQGW6MMJOSTEZ4JVKSHH","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":"58a2a85a3b00e94a05bd9e0c37dcb1894ede496e485cfa9fb9662615626abd2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-05-25T17:47:50Z","title_canon_sha256":"027508e5a870c695e1c7d85e92ca4a693bae10b31455f226d6b46ac0082cf8e0"},"schema_version":"1.0","source":{"id":"1205.5764","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5764","created_at":"2026-05-18T02:21:09Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5764v2","created_at":"2026-05-18T02:21:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5764","created_at":"2026-05-18T02:21:09Z"},{"alias_kind":"pith_short_12","alias_value":"HBPV5GWQGW6M","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HBPV5GWQGW6MMJOS","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HBPV5GWQ","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:3d949546eb86966b3e406ca970e85dcdbe1a9dfcf81fe7402065d0a0b5f9f91c","target":"graph","created_at":"2026-05-18T02:21:09Z","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":"This letter presents evidence for the associated production of a W boson and a top quark using 2.05 fb^-1 of pp collision data at sqrt(s) = 7 TeV accumulated with the ATLAS detector at the LHC. The analysis is based on the selection of the dileptonic final states with events featuring two isolated leptons, electron or muon, with significant transverse missing momentum and at least one jet. An approach based on boosted decision trees has been developed to improve the discrimination of single top-quark Wt events from background. A template fit to the final classifier distributions is performed t","authors_text":"ATLAS Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-05-25T17:47:50Z","title":"Evidence for the associated production of a W boson and a top quark in ATLAS at sqrt(s) = 7 TeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5764","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":"sha256:42822905a9f3f581994e590370d2446835b2ffb2c4e09473b99284b0126c4c74","target":"record","created_at":"2026-05-18T02:21:09Z","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":"58a2a85a3b00e94a05bd9e0c37dcb1894ede496e485cfa9fb9662615626abd2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-05-25T17:47:50Z","title_canon_sha256":"027508e5a870c695e1c7d85e92ca4a693bae10b31455f226d6b46ac0082cf8e0"},"schema_version":"1.0","source":{"id":"1205.5764","kind":"arxiv","version":2}},"canonical_sha256":"385f5e9ad035bcc625d29933c4d55239e0b7f05871da56a725d514466d0d237c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"385f5e9ad035bcc625d29933c4d55239e0b7f05871da56a725d514466d0d237c","first_computed_at":"2026-05-18T02:21:09.490793Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:09.490793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Nuxp3V3WLyhQoYgN4FwvUV+eCkp0haDec1DBZvZlM4lCTTiFLTB8AMKOsjgUXQYunEYLYGa7gZWtjeb79bRfAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:09.491183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.5764","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42822905a9f3f581994e590370d2446835b2ffb2c4e09473b99284b0126c4c74","sha256:3d949546eb86966b3e406ca970e85dcdbe1a9dfcf81fe7402065d0a0b5f9f91c"],"state_sha256":"127c6f933303f102cc896a3c04430382b118f8c946d4c5ef374cdd1dd4f4896e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CRYfIYnrAfn0ByNSJHB2XqrvbAmM5zClDLUPXdwfbbRYtm2agrfdeNy+QQrC4a94D6C3RmxDTVemiQ7pUlBZBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T03:31:31.620283Z","bundle_sha256":"bd4bd42e44d6f393778051a726c88b479532ba5da6d96136b763cf048406a635"}}