{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:LOFN3MVGZH6TAFA3ZNF7CLAQIT","short_pith_number":"pith:LOFN3MVG","canonical_record":{"source":{"id":"0807.3926","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-24T16:37:43Z","cross_cats_sorted":[],"title_canon_sha256":"b3478f5901dabc2f1a5b8c2c5d0f3f944578d05e20656cae7327fab3f4ce5ada","abstract_canon_sha256":"43186fc5d6283a6f9cfdb74efa59b7c36d290ae1d59fc8e1269cf8b6ad292f7f"},"schema_version":"1.0"},"canonical_sha256":"5b8addb2a6c9fd30141bcb4bf12c1044e36cb3d0cc73e585e6baf606120feda9","source":{"kind":"arxiv","id":"0807.3926","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.3926","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"arxiv_version","alias_value":"0807.3926v1","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.3926","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"pith_short_12","alias_value":"LOFN3MVGZH6T","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"LOFN3MVGZH6TAFA3","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"LOFN3MVG","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:LOFN3MVGZH6TAFA3ZNF7CLAQIT","target":"record","payload":{"canonical_record":{"source":{"id":"0807.3926","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-24T16:37:43Z","cross_cats_sorted":[],"title_canon_sha256":"b3478f5901dabc2f1a5b8c2c5d0f3f944578d05e20656cae7327fab3f4ce5ada","abstract_canon_sha256":"43186fc5d6283a6f9cfdb74efa59b7c36d290ae1d59fc8e1269cf8b6ad292f7f"},"schema_version":"1.0"},"canonical_sha256":"5b8addb2a6c9fd30141bcb4bf12c1044e36cb3d0cc73e585e6baf606120feda9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:41.081326Z","signature_b64":"ry75mOzfBL0at10Y3ZSSDshnP+IUtnGsYSMw7niqjYGAQTVAe/HFNKlMZ1C3quSUn8hOvYE09m7JYAHMzBXAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b8addb2a6c9fd30141bcb4bf12c1044e36cb3d0cc73e585e6baf606120feda9","last_reissued_at":"2026-05-18T04:36:41.080893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:41.080893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0807.3926","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":"2026-05-18T04:36:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qb0IZJcz3uZGMBk9Y6N4WnnLQbo+OdmBqHiZu5Wes5tssSqc6ZAkxGG6oL3mKrQ3FfTJgi+FMVB6zJnrzgjODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:20:48.406365Z"},"content_sha256":"9f87f430ba75ce36ef59aad86976dc63e33c2939182fd5a5b35e93efb45432b0","schema_version":"1.0","event_id":"sha256:9f87f430ba75ce36ef59aad86976dc63e33c2939182fd5a5b35e93efb45432b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:LOFN3MVGZH6TAFA3ZNF7CLAQIT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tools for top physics at D0","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Amnon Harel","submitted_at":"2008-07-24T16:37:43Z","abstract_excerpt":"Top quark measurements rely on the jet energy calibration and often on b-quark identification. We discuss these and other tools and how they apply to top quark analyses at D0. In particular some of the nuances that result from D0's data driven approach to these issues are presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.3926","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":"2026-05-18T04:36:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TDk68ybRpSBIwi87uoYXiuMamSGe0LpH5QVp18xVdO+n5W/niMsE6ntdske8Bw7L9XzRfRbpjGRl+IuGtbA1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:20:48.407051Z"},"content_sha256":"5a1c3f8b031944c684433b822d2390369b2f9fad22b0a371dbef33d21185ebb3","schema_version":"1.0","event_id":"sha256:5a1c3f8b031944c684433b822d2390369b2f9fad22b0a371dbef33d21185ebb3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT/bundle.json","state_url":"https://pith.science/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT/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":"2026-06-07T17:20:48Z","links":{"resolver":"https://pith.science/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT","bundle":"https://pith.science/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT/bundle.json","state":"https://pith.science/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOFN3MVGZH6TAFA3ZNF7CLAQIT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:LOFN3MVGZH6TAFA3ZNF7CLAQIT","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":"43186fc5d6283a6f9cfdb74efa59b7c36d290ae1d59fc8e1269cf8b6ad292f7f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-24T16:37:43Z","title_canon_sha256":"b3478f5901dabc2f1a5b8c2c5d0f3f944578d05e20656cae7327fab3f4ce5ada"},"schema_version":"1.0","source":{"id":"0807.3926","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.3926","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"arxiv_version","alias_value":"0807.3926v1","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.3926","created_at":"2026-05-18T04:36:41Z"},{"alias_kind":"pith_short_12","alias_value":"LOFN3MVGZH6T","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"LOFN3MVGZH6TAFA3","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"LOFN3MVG","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:5a1c3f8b031944c684433b822d2390369b2f9fad22b0a371dbef33d21185ebb3","target":"graph","created_at":"2026-05-18T04:36:41Z","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":"Top quark measurements rely on the jet energy calibration and often on b-quark identification. We discuss these and other tools and how they apply to top quark analyses at D0. In particular some of the nuances that result from D0's data driven approach to these issues are presented.","authors_text":"Amnon Harel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-24T16:37:43Z","title":"Tools for top physics at D0"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.3926","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":"sha256:9f87f430ba75ce36ef59aad86976dc63e33c2939182fd5a5b35e93efb45432b0","target":"record","created_at":"2026-05-18T04:36:41Z","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":"43186fc5d6283a6f9cfdb74efa59b7c36d290ae1d59fc8e1269cf8b6ad292f7f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-24T16:37:43Z","title_canon_sha256":"b3478f5901dabc2f1a5b8c2c5d0f3f944578d05e20656cae7327fab3f4ce5ada"},"schema_version":"1.0","source":{"id":"0807.3926","kind":"arxiv","version":1}},"canonical_sha256":"5b8addb2a6c9fd30141bcb4bf12c1044e36cb3d0cc73e585e6baf606120feda9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b8addb2a6c9fd30141bcb4bf12c1044e36cb3d0cc73e585e6baf606120feda9","first_computed_at":"2026-05-18T04:36:41.080893Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:41.080893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ry75mOzfBL0at10Y3ZSSDshnP+IUtnGsYSMw7niqjYGAQTVAe/HFNKlMZ1C3quSUn8hOvYE09m7JYAHMzBXAAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:41.081326Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.3926","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f87f430ba75ce36ef59aad86976dc63e33c2939182fd5a5b35e93efb45432b0","sha256:5a1c3f8b031944c684433b822d2390369b2f9fad22b0a371dbef33d21185ebb3"],"state_sha256":"c5afac56de1dbb49de747913c01f77df1ed94bf67175fe740339c7584ad7ea23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WsCHSophkOr7pudsUhsFto+ZSBLX5ntbYD05On4b0zf/YfBBCg9q+7pd1Q40zf7oH1X2b35CQl7N3tfNT2nnCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:20:48.410587Z","bundle_sha256":"66eded4a4accd2e1c746a10ba6f0fe87ff6b24c41832ca67b6ec3753b1692ca2"}}