{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UN6NQIHAODUQPIWXRQIJKDMUA5","short_pith_number":"pith:UN6NQIHA","canonical_record":{"source":{"id":"1802.00426","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-01T18:39:25Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f443997a920e3a905e39db9bc2e79864f158b128df2d6530946848e4b3dba88d","abstract_canon_sha256":"95307a40c54ff916672fc5775fbbb3369baffa76cef9c051a2ba97baecdb967f"},"schema_version":"1.0"},"canonical_sha256":"a37cd820e070e907a2d78c10950d94075df42f41d73a75a679daa23a4a23112d","source":{"kind":"arxiv","id":"1802.00426","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00426","created_at":"2026-05-18T00:10:54Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00426v2","created_at":"2026-05-18T00:10:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00426","created_at":"2026-05-18T00:10:54Z"},{"alias_kind":"pith_short_12","alias_value":"UN6NQIHAODUQ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UN6NQIHAODUQPIWX","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UN6NQIHA","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UN6NQIHAODUQPIWXRQIJKDMUA5","target":"record","payload":{"canonical_record":{"source":{"id":"1802.00426","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-01T18:39:25Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f443997a920e3a905e39db9bc2e79864f158b128df2d6530946848e4b3dba88d","abstract_canon_sha256":"95307a40c54ff916672fc5775fbbb3369baffa76cef9c051a2ba97baecdb967f"},"schema_version":"1.0"},"canonical_sha256":"a37cd820e070e907a2d78c10950d94075df42f41d73a75a679daa23a4a23112d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:54.632396Z","signature_b64":"6V6Z2QeVbKC1nCHUTpCnBeaZo9aOd8+MqIMZbqXaKos0EqBtIbxcIR4DAVKT/lGt005C70oTxoJxv8P13ofbAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a37cd820e070e907a2d78c10950d94075df42f41d73a75a679daa23a4a23112d","last_reissued_at":"2026-05-18T00:10:54.631652Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:54.631652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.00426","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":"2026-05-18T00:10:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYFOs/YBApQ+TndJt4v5WuzjXv59x8llvvnLozOIt9hhz4p85sHcY5jjq7WmBMoYSXy0quNsfXgLMrw8YczdBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:06:56.282024Z"},"content_sha256":"6272845a33904199e3d55c70aea77dd0477a15a8e15ebcc96e06af2e99d00b14","schema_version":"1.0","event_id":"sha256:6272845a33904199e3d55c70aea77dd0477a15a8e15ebcc96e06af2e99d00b14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UN6NQIHAODUQPIWXRQIJKDMUA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New NLOPS predictions for $\\boldsymbol{t\\bar{t}+b}$-jet production at the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Jonas M. Lindert, Niccolo Moretti, Stefano Pozzorini, Tom\\'a\\v{s} Je\\v{z}o","submitted_at":"2018-02-01T18:39:25Z","abstract_excerpt":"Measurements of $t\\bar{t} H$ production in the $H\\to b\\bar{b}$ channel depend in a critical way on the theoretical uncertainty associated with the irreducible $t\\bar{t}+b$-jet background. In this paper, analysing the various topologies that account for $b$-jet production in association with a $t\\bar{t}$ pair, we demonstrate that the process at hand is largely driven by final-state $g\\to b\\bar{b}$ splittings. We also show that in five-flavour simulations based on $t\\bar{t}+$multi-jet merging $b$-jet production is mostly driven by the parton shower, while matrix elements play only a marginal rol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00426","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":"2026-05-18T00:10:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LWxV9PQhpnLcuuHfpNpoEEcOOWuGpa6zNgZO7Ai/FfM74Jqx/xODNhK3bQYlRkLABERlJltBP3ck9502yzaiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:06:56.282960Z"},"content_sha256":"fb16bf529eb81b45cedc33c248d0a59763aef6cc655a9d60c0ad44fbe9050dc9","schema_version":"1.0","event_id":"sha256:fb16bf529eb81b45cedc33c248d0a59763aef6cc655a9d60c0ad44fbe9050dc9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UN6NQIHAODUQPIWXRQIJKDMUA5/bundle.json","state_url":"https://pith.science/pith/UN6NQIHAODUQPIWXRQIJKDMUA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UN6NQIHAODUQPIWXRQIJKDMUA5/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":"2026-05-31T23:06:56Z","links":{"resolver":"https://pith.science/pith/UN6NQIHAODUQPIWXRQIJKDMUA5","bundle":"https://pith.science/pith/UN6NQIHAODUQPIWXRQIJKDMUA5/bundle.json","state":"https://pith.science/pith/UN6NQIHAODUQPIWXRQIJKDMUA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UN6NQIHAODUQPIWXRQIJKDMUA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UN6NQIHAODUQPIWXRQIJKDMUA5","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":"95307a40c54ff916672fc5775fbbb3369baffa76cef9c051a2ba97baecdb967f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-01T18:39:25Z","title_canon_sha256":"f443997a920e3a905e39db9bc2e79864f158b128df2d6530946848e4b3dba88d"},"schema_version":"1.0","source":{"id":"1802.00426","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00426","created_at":"2026-05-18T00:10:54Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00426v2","created_at":"2026-05-18T00:10:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00426","created_at":"2026-05-18T00:10:54Z"},{"alias_kind":"pith_short_12","alias_value":"UN6NQIHAODUQ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UN6NQIHAODUQPIWX","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UN6NQIHA","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:fb16bf529eb81b45cedc33c248d0a59763aef6cc655a9d60c0ad44fbe9050dc9","target":"graph","created_at":"2026-05-18T00:10:54Z","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":"Measurements of $t\\bar{t} H$ production in the $H\\to b\\bar{b}$ channel depend in a critical way on the theoretical uncertainty associated with the irreducible $t\\bar{t}+b$-jet background. In this paper, analysing the various topologies that account for $b$-jet production in association with a $t\\bar{t}$ pair, we demonstrate that the process at hand is largely driven by final-state $g\\to b\\bar{b}$ splittings. We also show that in five-flavour simulations based on $t\\bar{t}+$multi-jet merging $b$-jet production is mostly driven by the parton shower, while matrix elements play only a marginal rol","authors_text":"Jonas M. Lindert, Niccolo Moretti, Stefano Pozzorini, Tom\\'a\\v{s} Je\\v{z}o","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-01T18:39:25Z","title":"New NLOPS predictions for $\\boldsymbol{t\\bar{t}+b}$-jet production at the LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00426","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":"sha256:6272845a33904199e3d55c70aea77dd0477a15a8e15ebcc96e06af2e99d00b14","target":"record","created_at":"2026-05-18T00:10:54Z","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":"95307a40c54ff916672fc5775fbbb3369baffa76cef9c051a2ba97baecdb967f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-01T18:39:25Z","title_canon_sha256":"f443997a920e3a905e39db9bc2e79864f158b128df2d6530946848e4b3dba88d"},"schema_version":"1.0","source":{"id":"1802.00426","kind":"arxiv","version":2}},"canonical_sha256":"a37cd820e070e907a2d78c10950d94075df42f41d73a75a679daa23a4a23112d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a37cd820e070e907a2d78c10950d94075df42f41d73a75a679daa23a4a23112d","first_computed_at":"2026-05-18T00:10:54.631652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:54.631652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6V6Z2QeVbKC1nCHUTpCnBeaZo9aOd8+MqIMZbqXaKos0EqBtIbxcIR4DAVKT/lGt005C70oTxoJxv8P13ofbAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:54.632396Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.00426","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6272845a33904199e3d55c70aea77dd0477a15a8e15ebcc96e06af2e99d00b14","sha256:fb16bf529eb81b45cedc33c248d0a59763aef6cc655a9d60c0ad44fbe9050dc9"],"state_sha256":"6270b39e73ec87b9cfeac130c0a20388dfc60e812fbc7f8aef811037516f7c82"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rNCjX08yEmItC2DgmfEedZJsA6wnlh/d6+K9+50spp7ediDcc08CrhRvEY55Fvy4ifBTQb4ULfunJOBRTTfoBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T23:06:56.287737Z","bundle_sha256":"92bccc1c5e6066f32f1f0ace982071b3767bbdf8a831faa6f460bd83e2d96bad"}}