{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZUB5HCVIPC4TKRAYZBJXLH53RA","short_pith_number":"pith:ZUB5HCVI","canonical_record":{"source":{"id":"1006.3007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-06-15T15:11:37Z","cross_cats_sorted":[],"title_canon_sha256":"ff3041f3d2f0da3459c9d796fd063ae0adfec2a1f190c295b5d9525be6510313","abstract_canon_sha256":"2e6f99c7cbccfbadf59e0660e515ad5ee09003c7fe9b19749eb4301588ed4051"},"schema_version":"1.0"},"canonical_sha256":"cd03d38aa878b9354418c853759fbb8803f24476f70a7bc09fe43af5bd81a47f","source":{"kind":"arxiv","id":"1006.3007","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.3007","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"arxiv_version","alias_value":"1006.3007v2","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3007","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"pith_short_12","alias_value":"ZUB5HCVIPC4T","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZUB5HCVIPC4TKRAY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZUB5HCVI","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZUB5HCVIPC4TKRAYZBJXLH53RA","target":"record","payload":{"canonical_record":{"source":{"id":"1006.3007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-06-15T15:11:37Z","cross_cats_sorted":[],"title_canon_sha256":"ff3041f3d2f0da3459c9d796fd063ae0adfec2a1f190c295b5d9525be6510313","abstract_canon_sha256":"2e6f99c7cbccfbadf59e0660e515ad5ee09003c7fe9b19749eb4301588ed4051"},"schema_version":"1.0"},"canonical_sha256":"cd03d38aa878b9354418c853759fbb8803f24476f70a7bc09fe43af5bd81a47f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:13.227870Z","signature_b64":"yjfVR56/pVuAfaIZpILb1dhgiECTcnSH92X6MR4QePloTxZegN+9u+xMr8zYZmfD1kKqN5IPTiHjR7t8/k28BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd03d38aa878b9354418c853759fbb8803f24476f70a7bc09fe43af5bd81a47f","last_reissued_at":"2026-05-18T04:25:13.227161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:13.227161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.3007","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":"2026-05-18T04:25:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G5Cgw8zDfATmc5NSOokIAE/jrM3Je6tFo7zs+e7U46wV4LqjzGJF9X34uuqpqSQS1UjfKgkEhVT9pGKA9UA8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T01:12:27.644422Z"},"content_sha256":"9032384a8b8eee2bc2735904ecd2c06db6b4b0ac8686e1a7ad1febcac82f1847","schema_version":"1.0","event_id":"sha256:9032384a8b8eee2bc2735904ecd2c06db6b4b0ac8686e1a7ad1febcac82f1847"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZUB5HCVIPC4TKRAYZBJXLH53RA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exclusive $b \\bar b$ pair production and irreducible background to the exclusive Higgs boson production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Antoni Szczurek, Rafal Maciula, Roman Pasechnik","submitted_at":"2010-06-15T15:11:37Z","abstract_excerpt":"We calculated the cross section for the exclusive double diffractive $b\\bar b$ production in $pp\\to p(b\\bar b)p$ reaction at LHC. Large cross sections are obtained (3 -- 10 nb). This process constitutes the irreducible background to the exclusive Higgs production and is of particular importance in the upcoming Higgs boson searches. The distribution in invariant mass of the $b \\bar b$ pair is calculated and compared with the corresponding contribution from the Higgs decay. The contribution from the exclusive production of $Z^0$ and its decay as well as the contribution from the $\\gamma \\gamma \\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3007","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":"2026-05-18T04:25:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wy8Gl0TKwDft77mynBL0srBtMreizRgv/w2pKkz/IF1Dbw6Lv46FQg4LahCY4hiuxCJfWbQ/W84yI47OUnfCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T01:12:27.645009Z"},"content_sha256":"56633a253b9d98b2a09af6efbc440c1c5ec5c28419407ea1ee96fac6b436c364","schema_version":"1.0","event_id":"sha256:56633a253b9d98b2a09af6efbc440c1c5ec5c28419407ea1ee96fac6b436c364"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA/bundle.json","state_url":"https://pith.science/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA/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":"2026-05-24T01:12:27Z","links":{"resolver":"https://pith.science/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA","bundle":"https://pith.science/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA/bundle.json","state":"https://pith.science/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZUB5HCVIPC4TKRAYZBJXLH53RA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZUB5HCVIPC4TKRAYZBJXLH53RA","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":"2e6f99c7cbccfbadf59e0660e515ad5ee09003c7fe9b19749eb4301588ed4051","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-06-15T15:11:37Z","title_canon_sha256":"ff3041f3d2f0da3459c9d796fd063ae0adfec2a1f190c295b5d9525be6510313"},"schema_version":"1.0","source":{"id":"1006.3007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.3007","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"arxiv_version","alias_value":"1006.3007v2","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3007","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"pith_short_12","alias_value":"ZUB5HCVIPC4T","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZUB5HCVIPC4TKRAY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZUB5HCVI","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:56633a253b9d98b2a09af6efbc440c1c5ec5c28419407ea1ee96fac6b436c364","target":"graph","created_at":"2026-05-18T04:25:13Z","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 calculated the cross section for the exclusive double diffractive $b\\bar b$ production in $pp\\to p(b\\bar b)p$ reaction at LHC. Large cross sections are obtained (3 -- 10 nb). This process constitutes the irreducible background to the exclusive Higgs production and is of particular importance in the upcoming Higgs boson searches. The distribution in invariant mass of the $b \\bar b$ pair is calculated and compared with the corresponding contribution from the Higgs decay. The contribution from the exclusive production of $Z^0$ and its decay as well as the contribution from the $\\gamma \\gamma \\","authors_text":"Antoni Szczurek, Rafal Maciula, Roman Pasechnik","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-06-15T15:11:37Z","title":"Exclusive $b \\bar b$ pair production and irreducible background to the exclusive Higgs boson production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3007","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":"sha256:9032384a8b8eee2bc2735904ecd2c06db6b4b0ac8686e1a7ad1febcac82f1847","target":"record","created_at":"2026-05-18T04:25:13Z","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":"2e6f99c7cbccfbadf59e0660e515ad5ee09003c7fe9b19749eb4301588ed4051","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-06-15T15:11:37Z","title_canon_sha256":"ff3041f3d2f0da3459c9d796fd063ae0adfec2a1f190c295b5d9525be6510313"},"schema_version":"1.0","source":{"id":"1006.3007","kind":"arxiv","version":2}},"canonical_sha256":"cd03d38aa878b9354418c853759fbb8803f24476f70a7bc09fe43af5bd81a47f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd03d38aa878b9354418c853759fbb8803f24476f70a7bc09fe43af5bd81a47f","first_computed_at":"2026-05-18T04:25:13.227161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:13.227161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yjfVR56/pVuAfaIZpILb1dhgiECTcnSH92X6MR4QePloTxZegN+9u+xMr8zYZmfD1kKqN5IPTiHjR7t8/k28BA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:13.227870Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.3007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9032384a8b8eee2bc2735904ecd2c06db6b4b0ac8686e1a7ad1febcac82f1847","sha256:56633a253b9d98b2a09af6efbc440c1c5ec5c28419407ea1ee96fac6b436c364"],"state_sha256":"aa500768775e493b0af12db125a3d98daf6479e58f2c2b52c42e8f0b29573251"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5lA6wCMiZuqbQSbsAsCc5SFk1cjgjT8Bi0Na5/D6zhdeEAvhsmZMk6IrSEXJuIsH8jEI+HjiPBFxCsg1eRv5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T01:12:27.648901Z","bundle_sha256":"a8ca2f94fd96d9c16da283ccceddf0934c47bd33b765e49b2be6cbc12cff5e53"}}