{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YISRCZ4DJ4KLU6CPMJMOPCRAU7","short_pith_number":"pith:YISRCZ4D","canonical_record":{"source":{"id":"1412.4047","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-12-12T16:44:32Z","cross_cats_sorted":[],"title_canon_sha256":"79778e7c9558912092922511b1a885468f488d9b4b07cb881e901152efdd30bd","abstract_canon_sha256":"934f5d1f4c21fd80a598f9524956026cb8bcd0af1c5f436fba0134bddf96a046"},"schema_version":"1.0"},"canonical_sha256":"c2251167834f14ba784f6258e78a20a7d98713183e0bbb95e29d60a851cb256b","source":{"kind":"arxiv","id":"1412.4047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4047","created_at":"2026-05-18T02:31:28Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4047v1","created_at":"2026-05-18T02:31:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4047","created_at":"2026-05-18T02:31:28Z"},{"alias_kind":"pith_short_12","alias_value":"YISRCZ4DJ4KL","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YISRCZ4DJ4KLU6CP","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YISRCZ4D","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YISRCZ4DJ4KLU6CPMJMOPCRAU7","target":"record","payload":{"canonical_record":{"source":{"id":"1412.4047","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-12-12T16:44:32Z","cross_cats_sorted":[],"title_canon_sha256":"79778e7c9558912092922511b1a885468f488d9b4b07cb881e901152efdd30bd","abstract_canon_sha256":"934f5d1f4c21fd80a598f9524956026cb8bcd0af1c5f436fba0134bddf96a046"},"schema_version":"1.0"},"canonical_sha256":"c2251167834f14ba784f6258e78a20a7d98713183e0bbb95e29d60a851cb256b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:28.029801Z","signature_b64":"2jVNIJGgfoz8SEyXZNJDxv7+loqNrbqDQNpIn8LpNtQWUjoB/oDEh0wCKquaCG+HBqKj9h9l6wqrix6fQAErCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2251167834f14ba784f6258e78a20a7d98713183e0bbb95e29d60a851cb256b","last_reissued_at":"2026-05-18T02:31:28.029235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:28.029235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.4047","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:31:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+tf7JBcFgzRdr2ghmfXvAC1CVSPmbSc+XKg0VJAAmPAHlYqjgnaMP/TiEihUoHahHycYsH9T4NoQ9bvwsUhPCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T03:10:47.701493Z"},"content_sha256":"753d6c7a1e3225807bd7feabdf0711684864504c8c985d049c473e10cb195f46","schema_version":"1.0","event_id":"sha256:753d6c7a1e3225807bd7feabdf0711684864504c8c985d049c473e10cb195f46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YISRCZ4DJ4KLU6CPMJMOPCRAU7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Underlying Event and B-Hadron Decays in $t\\overline{t}$ Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Benjamin Stieger","submitted_at":"2014-12-12T16:44:32Z","abstract_excerpt":"We present exploratory studies of the underlying event activity and of fragmentation and hadronization of b quarks using $t\\overline{t}$ candidate events in proton-proton collision data acquired by the CMS experiment. We reconstruct charm mesons in fully charged decay channels from the reconstructed tracks associated with the hadronization of b quarks from the top decay, and study their kinematics relative to the mother jet. A good agreement is found using MadGraph plus the Pythia 6 Tune Z2* simulation. The effects predicted by alternative settings and generators for the characterization of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4047","kind":"arxiv","version":1},"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":"2026-05-18T02:31:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rpZ2zdaJihXXMWUpY89BndIInYvj59FSSihk4vkvi7jFUgdgItcOF/KF6mLZAWuM6P5URK6HYiO4JK0aOvlJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T03:10:47.702179Z"},"content_sha256":"8da15290123480e8eadb6e9c0f5cffbd8f38353f491b169baee63fdc70d2b6cc","schema_version":"1.0","event_id":"sha256:8da15290123480e8eadb6e9c0f5cffbd8f38353f491b169baee63fdc70d2b6cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7/bundle.json","state_url":"https://pith.science/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7/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":"2026-06-10T03:10:47Z","links":{"resolver":"https://pith.science/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7","bundle":"https://pith.science/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7/bundle.json","state":"https://pith.science/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YISRCZ4DJ4KLU6CPMJMOPCRAU7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YISRCZ4DJ4KLU6CPMJMOPCRAU7","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":"934f5d1f4c21fd80a598f9524956026cb8bcd0af1c5f436fba0134bddf96a046","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-12-12T16:44:32Z","title_canon_sha256":"79778e7c9558912092922511b1a885468f488d9b4b07cb881e901152efdd30bd"},"schema_version":"1.0","source":{"id":"1412.4047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4047","created_at":"2026-05-18T02:31:28Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4047v1","created_at":"2026-05-18T02:31:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4047","created_at":"2026-05-18T02:31:28Z"},{"alias_kind":"pith_short_12","alias_value":"YISRCZ4DJ4KL","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YISRCZ4DJ4KLU6CP","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YISRCZ4D","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:8da15290123480e8eadb6e9c0f5cffbd8f38353f491b169baee63fdc70d2b6cc","target":"graph","created_at":"2026-05-18T02:31:28Z","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 exploratory studies of the underlying event activity and of fragmentation and hadronization of b quarks using $t\\overline{t}$ candidate events in proton-proton collision data acquired by the CMS experiment. We reconstruct charm mesons in fully charged decay channels from the reconstructed tracks associated with the hadronization of b quarks from the top decay, and study their kinematics relative to the mother jet. A good agreement is found using MadGraph plus the Pythia 6 Tune Z2* simulation. The effects predicted by alternative settings and generators for the characterization of th","authors_text":"Benjamin Stieger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-12-12T16:44:32Z","title":"Underlying Event and B-Hadron Decays in $t\\overline{t}$ Events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4047","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":"sha256:753d6c7a1e3225807bd7feabdf0711684864504c8c985d049c473e10cb195f46","target":"record","created_at":"2026-05-18T02:31:28Z","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":"934f5d1f4c21fd80a598f9524956026cb8bcd0af1c5f436fba0134bddf96a046","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2014-12-12T16:44:32Z","title_canon_sha256":"79778e7c9558912092922511b1a885468f488d9b4b07cb881e901152efdd30bd"},"schema_version":"1.0","source":{"id":"1412.4047","kind":"arxiv","version":1}},"canonical_sha256":"c2251167834f14ba784f6258e78a20a7d98713183e0bbb95e29d60a851cb256b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2251167834f14ba784f6258e78a20a7d98713183e0bbb95e29d60a851cb256b","first_computed_at":"2026-05-18T02:31:28.029235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:28.029235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2jVNIJGgfoz8SEyXZNJDxv7+loqNrbqDQNpIn8LpNtQWUjoB/oDEh0wCKquaCG+HBqKj9h9l6wqrix6fQAErCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:28.029801Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.4047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:753d6c7a1e3225807bd7feabdf0711684864504c8c985d049c473e10cb195f46","sha256:8da15290123480e8eadb6e9c0f5cffbd8f38353f491b169baee63fdc70d2b6cc"],"state_sha256":"87b0033996efdfd2ffef77b22a646b6ca029d083f22a041286996c7a0c5adc81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oN59wNjCNBC1P3+y5mNi/j4XVoLUE3Dwb4A079xSnwuX8r7bMRejeEOWZmOA+ty90wqCvn+Z7oNg/JTzwJbkCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T03:10:47.706471Z","bundle_sha256":"334cf0ed5c9f0c985477fcbb32b546fc8959e4f43429197b3d0610abfabfa7d7"}}