{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:CC43JKYG4QEWEV2J626VF3RO73","short_pith_number":"pith:CC43JKYG","canonical_record":{"source":{"id":"2401.17559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-01-31T02:48:44Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"79d1adf9c38fdf176cbde697f973f9856a7b783f39f6211a34d089127a38e6d1","abstract_canon_sha256":"22ed96e22d54e08d009ad804498a5d6070e881c77d1167dea3d505dadfb2f9da"},"schema_version":"1.0"},"canonical_sha256":"10b9b4ab06e409625749f6bd52ee2efedf6b8173247fea77e8bf2295dfa683f9","source":{"kind":"arxiv","id":"2401.17559","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.17559","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"2401.17559v1","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.17559","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"CC43JKYG4QEW","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"pith_short_16","alias_value":"CC43JKYG4QEWEV2J","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"pith_short_8","alias_value":"CC43JKYG","created_at":"2026-07-05T07:39:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:CC43JKYG4QEWEV2J626VF3RO73","target":"record","payload":{"canonical_record":{"source":{"id":"2401.17559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-01-31T02:48:44Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"79d1adf9c38fdf176cbde697f973f9856a7b783f39f6211a34d089127a38e6d1","abstract_canon_sha256":"22ed96e22d54e08d009ad804498a5d6070e881c77d1167dea3d505dadfb2f9da"},"schema_version":"1.0"},"canonical_sha256":"10b9b4ab06e409625749f6bd52ee2efedf6b8173247fea77e8bf2295dfa683f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:39:38.650419Z","signature_b64":"heSmPHQNZ4+JV9xsM26rOZyLBZKoiQfBFv785zV0wjHY0Rs5h2b8Q7GfBG+HyGl2zRBZAWcwZ7j9g50gJpkoCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10b9b4ab06e409625749f6bd52ee2efedf6b8173247fea77e8bf2295dfa683f9","last_reissued_at":"2026-07-05T07:39:38.649913Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:39:38.649913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.17559","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":"2026-07-05T07:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W/eTRdGbIaXD2U9UH4tuoAtBrZkmBqU2XTgXAI9k/JSbxz2S5HHtIoO5ThYKWA7Gc1QfFj3Gv2z2/IQBMXT5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T18:28:27.601570Z"},"content_sha256":"8618b24c590947273c12c27a68f3770c4e3af37f75cdcfeff83b36c81002a236","schema_version":"1.0","event_id":"sha256:8618b24c590947273c12c27a68f3770c4e3af37f75cdcfeff83b36c81002a236"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:CC43JKYG4QEWEV2J626VF3RO73","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heavy flavor production under a strong magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Jiaxing Zhao, Pengfei Zhuang, Shile Chen","submitted_at":"2024-01-31T02:48:44Z","abstract_excerpt":"The magnetic field created in high energy nuclear collisions will affect the dynamical processes in the QCD medium, especially the heavy quark production that happens in the initial stage of the collisions. We calculate in a strong magnetic field the heavy quark production cross section for the elementary process gg {\\rightarrow} Q{\\bar Q} at leading order and the corresponding transverse momentum distribution in nucleus-nucleus collisions. In comparison to the QED process, the heavy quark production is dominated by the unique QCD channel with gluon self-interaction. Due to the dimension reduc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.17559","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.17559/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XKAo3RDpUR6fugnGkxnIAH1hWmOg7Y+KUdZuB1H0i+mMP9cbRQOWgBLgtw2Bp3WT1uOVdvJXG9TblWa3x90sCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T18:28:27.602065Z"},"content_sha256":"040c3b4115883c2c5582949d0f4a29c9641530f0fc4d5201826441f82427abc5","schema_version":"1.0","event_id":"sha256:040c3b4115883c2c5582949d0f4a29c9641530f0fc4d5201826441f82427abc5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CC43JKYG4QEWEV2J626VF3RO73/bundle.json","state_url":"https://pith.science/pith/CC43JKYG4QEWEV2J626VF3RO73/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CC43JKYG4QEWEV2J626VF3RO73/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":"2026-08-04T18:28:27Z","links":{"resolver":"https://pith.science/pith/CC43JKYG4QEWEV2J626VF3RO73","bundle":"https://pith.science/pith/CC43JKYG4QEWEV2J626VF3RO73/bundle.json","state":"https://pith.science/pith/CC43JKYG4QEWEV2J626VF3RO73/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CC43JKYG4QEWEV2J626VF3RO73/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CC43JKYG4QEWEV2J626VF3RO73","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":"22ed96e22d54e08d009ad804498a5d6070e881c77d1167dea3d505dadfb2f9da","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-01-31T02:48:44Z","title_canon_sha256":"79d1adf9c38fdf176cbde697f973f9856a7b783f39f6211a34d089127a38e6d1"},"schema_version":"1.0","source":{"id":"2401.17559","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.17559","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"2401.17559v1","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.17559","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"CC43JKYG4QEW","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"pith_short_16","alias_value":"CC43JKYG4QEWEV2J","created_at":"2026-07-05T07:39:38Z"},{"alias_kind":"pith_short_8","alias_value":"CC43JKYG","created_at":"2026-07-05T07:39:38Z"}],"graph_snapshots":[{"event_id":"sha256:040c3b4115883c2c5582949d0f4a29c9641530f0fc4d5201826441f82427abc5","target":"graph","created_at":"2026-07-05T07:39:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2401.17559/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The magnetic field created in high energy nuclear collisions will affect the dynamical processes in the QCD medium, especially the heavy quark production that happens in the initial stage of the collisions. We calculate in a strong magnetic field the heavy quark production cross section for the elementary process gg {\\rightarrow} Q{\\bar Q} at leading order and the corresponding transverse momentum distribution in nucleus-nucleus collisions. In comparison to the QED process, the heavy quark production is dominated by the unique QCD channel with gluon self-interaction. Due to the dimension reduc","authors_text":"Jiaxing Zhao, Pengfei Zhuang, Shile Chen","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-01-31T02:48:44Z","title":"Heavy flavor production under a strong magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.17559","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":"sha256:8618b24c590947273c12c27a68f3770c4e3af37f75cdcfeff83b36c81002a236","target":"record","created_at":"2026-07-05T07:39:38Z","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":"22ed96e22d54e08d009ad804498a5d6070e881c77d1167dea3d505dadfb2f9da","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-01-31T02:48:44Z","title_canon_sha256":"79d1adf9c38fdf176cbde697f973f9856a7b783f39f6211a34d089127a38e6d1"},"schema_version":"1.0","source":{"id":"2401.17559","kind":"arxiv","version":1}},"canonical_sha256":"10b9b4ab06e409625749f6bd52ee2efedf6b8173247fea77e8bf2295dfa683f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10b9b4ab06e409625749f6bd52ee2efedf6b8173247fea77e8bf2295dfa683f9","first_computed_at":"2026-07-05T07:39:38.649913Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:39:38.649913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"heSmPHQNZ4+JV9xsM26rOZyLBZKoiQfBFv785zV0wjHY0Rs5h2b8Q7GfBG+HyGl2zRBZAWcwZ7j9g50gJpkoCg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:39:38.650419Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.17559","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8618b24c590947273c12c27a68f3770c4e3af37f75cdcfeff83b36c81002a236","sha256:040c3b4115883c2c5582949d0f4a29c9641530f0fc4d5201826441f82427abc5"],"state_sha256":"113d008073346d8801093c13405986791689a4388373efc0671988c6a1b60f9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4TVRn/Ffi7tmO6ob7GnwAe4Fj+7iN/CzCMNjcdNF28vTyw+xBUGi6VplyuAANNRNu3hWHIo0KPCnIWzNP6UvBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T18:28:27.605870Z","bundle_sha256":"8dd532de68102a415eeb015b006c7c37c1b591fd9b8b719e723578f5d56d43db"}}