{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:Q5G6LFJKYAYVOQS2GDPR4CWPC3","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":"b209abb87b08392a47473b8ddf61dab7cab5741bf68c8f84fe688c4e9185ea3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-11-22T20:40:14Z","title_canon_sha256":"fd59709c4ff47fc9490b0f620c90b55e6b77cc1e700bf091dcb96d6e23e8609b"},"schema_version":"1.0","source":{"id":"0911.4286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.4286","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"arxiv_version","alias_value":"0911.4286v1","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.4286","created_at":"2026-05-18T03:48:01Z"},{"alias_kind":"pith_short_12","alias_value":"Q5G6LFJKYAYV","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"Q5G6LFJKYAYVOQS2","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"Q5G6LFJK","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:b02118021c8b314039f7af3b5955a381444d7fe376ebac5819d57ec9086143f7","target":"graph","created_at":"2026-05-18T03:48:01Z","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 present a measurement of the ttbar cross section using high-multiplicity jet events produced in ppbar collisions at sqrt{s}=1.96 TeV. These data were recorded at the Fermilab Tevatron collider with the D0 detector. Events with at least six jets, two of them identified as b jets, were selected from a 1 fb-1 data set. The measured cross section, assuming a top quark mass of 175 GeV/c^2, is 6.9 \\pm 2.0 pb, in agreement with theoretical expectations.","authors_text":"the D0 Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-11-22T20:40:14Z","title":"Measurement of the ttbar cross section using high-multiplicity jet events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.4286","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":"sha256:6ac20399a818d645e07644eeecec42b845655852c90220085d2febd9f9705549","target":"record","created_at":"2026-05-18T03:48:01Z","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":"b209abb87b08392a47473b8ddf61dab7cab5741bf68c8f84fe688c4e9185ea3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-11-22T20:40:14Z","title_canon_sha256":"fd59709c4ff47fc9490b0f620c90b55e6b77cc1e700bf091dcb96d6e23e8609b"},"schema_version":"1.0","source":{"id":"0911.4286","kind":"arxiv","version":1}},"canonical_sha256":"874de5952ac03157425a30df1e0acf16ee8343eba738d3df8d3516c741ebd2d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"874de5952ac03157425a30df1e0acf16ee8343eba738d3df8d3516c741ebd2d6","first_computed_at":"2026-05-18T03:48:01.996180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:01.996180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iLI9x3cm0zw1kto7VI2BptiifLVn0JwlSBquHrSMORzkN1f62Fo1j8hhuW/yDzcxQy+45ntMF13X+zyogSxABQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:01.996889Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.4286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ac20399a818d645e07644eeecec42b845655852c90220085d2febd9f9705549","sha256:b02118021c8b314039f7af3b5955a381444d7fe376ebac5819d57ec9086143f7"],"state_sha256":"c401c82cbc6146122db70ec14ce59263786bb914d43055b9434444ee5abaed5e"}