{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:RAHFLNIUA5FJOS3JMR2XGW46HW","short_pith_number":"pith:RAHFLNIU","canonical_record":{"source":{"id":"1004.5521","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-04-30T13:19:56Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7ae5208078f84b4a4f2514a682180af4c6080e8b959d0074c1cae0bf96752151","abstract_canon_sha256":"7d6685d5c91031c784a797bf44fe7691da03ccc9329bbfcc6df7c4150b4da40b"},"schema_version":"1.0"},"canonical_sha256":"880e55b514074a974b696475735b9e3db4176c181e2eb9a401e94a48bb165898","source":{"kind":"arxiv","id":"1004.5521","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5521","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5521v2","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5521","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"pith_short_12","alias_value":"RAHFLNIUA5FJ","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RAHFLNIUA5FJOS3J","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RAHFLNIU","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:RAHFLNIUA5FJOS3JMR2XGW46HW","target":"record","payload":{"canonical_record":{"source":{"id":"1004.5521","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-04-30T13:19:56Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7ae5208078f84b4a4f2514a682180af4c6080e8b959d0074c1cae0bf96752151","abstract_canon_sha256":"7d6685d5c91031c784a797bf44fe7691da03ccc9329bbfcc6df7c4150b4da40b"},"schema_version":"1.0"},"canonical_sha256":"880e55b514074a974b696475735b9e3db4176c181e2eb9a401e94a48bb165898","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:13.292533Z","signature_b64":"ibPBrMB00A4m/LlChpQuXJ1v9xgo99CTq4PucvG8smn3tFkKL0d1p7E0hnCLWAn6nCCLCHPbS66hg7M7FzimDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"880e55b514074a974b696475735b9e3db4176c181e2eb9a401e94a48bb165898","last_reissued_at":"2026-05-18T04:25:13.291939Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:13.291939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.5521","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":"tleiFPhH0rdnbsGx5xE91CPrOLrKeiAckTtx0g/rwUa1NVCixOX3+pY8tkejodXJEZiCsxOPHhlLyvy7oKhHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T01:38:45.131814Z"},"content_sha256":"034a7cfe889bd85b0fb5a87dedb889dc464c63fd6e7803f4d5d0995427aad587","schema_version":"1.0","event_id":"sha256:034a7cfe889bd85b0fb5a87dedb889dc464c63fd6e7803f4d5d0995427aad587"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:RAHFLNIUA5FJOS3JMR2XGW46HW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exclusive muon-pair productions in ultrarelativistic heavy-ion collisions: Realistic nucleus charge form factor and differential distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Antoni Szczurek, Mariola Klusek-Gawenda","submitted_at":"2010-04-30T13:19:56Z","abstract_excerpt":"The cross sections for exclusive muon pair production in nucleus - nucleus collisions are calculated and several differential distributions are shown. Realistic (Fourier transform of charge density) charge form factors of nuclei are used and the corresponding results are compared with the cross sections calculated with monopole form factor often used in the literature and discussed recently in the context of higher-order QED corrections. Absorption effects are discussed and quantified. The cross sections obtained with realistic form factors are significantly smaller than those obtained with th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5521","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":"dstBjrk/Bf3AqOxkyLiJX3mflGe1IcvInwFBZCnInKzGt2y9BVGj7h92GmtHN1EbiXqO/fGDlQTuCN4/pfbtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T01:38:45.132159Z"},"content_sha256":"e2a840b70ffd0344e48ab1bbd0404441e701c4dd6c9045846c71fb9c016a13eb","schema_version":"1.0","event_id":"sha256:e2a840b70ffd0344e48ab1bbd0404441e701c4dd6c9045846c71fb9c016a13eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RAHFLNIUA5FJOS3JMR2XGW46HW/bundle.json","state_url":"https://pith.science/pith/RAHFLNIUA5FJOS3JMR2XGW46HW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RAHFLNIUA5FJOS3JMR2XGW46HW/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":"2026-06-28T01:38:45Z","links":{"resolver":"https://pith.science/pith/RAHFLNIUA5FJOS3JMR2XGW46HW","bundle":"https://pith.science/pith/RAHFLNIUA5FJOS3JMR2XGW46HW/bundle.json","state":"https://pith.science/pith/RAHFLNIUA5FJOS3JMR2XGW46HW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RAHFLNIUA5FJOS3JMR2XGW46HW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:RAHFLNIUA5FJOS3JMR2XGW46HW","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":"7d6685d5c91031c784a797bf44fe7691da03ccc9329bbfcc6df7c4150b4da40b","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-04-30T13:19:56Z","title_canon_sha256":"7ae5208078f84b4a4f2514a682180af4c6080e8b959d0074c1cae0bf96752151"},"schema_version":"1.0","source":{"id":"1004.5521","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5521","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5521v2","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5521","created_at":"2026-05-18T04:25:13Z"},{"alias_kind":"pith_short_12","alias_value":"RAHFLNIUA5FJ","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RAHFLNIUA5FJOS3J","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RAHFLNIU","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:e2a840b70ffd0344e48ab1bbd0404441e701c4dd6c9045846c71fb9c016a13eb","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":"The cross sections for exclusive muon pair production in nucleus - nucleus collisions are calculated and several differential distributions are shown. Realistic (Fourier transform of charge density) charge form factors of nuclei are used and the corresponding results are compared with the cross sections calculated with monopole form factor often used in the literature and discussed recently in the context of higher-order QED corrections. Absorption effects are discussed and quantified. The cross sections obtained with realistic form factors are significantly smaller than those obtained with th","authors_text":"Antoni Szczurek, Mariola Klusek-Gawenda","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-04-30T13:19:56Z","title":"Exclusive muon-pair productions in ultrarelativistic heavy-ion collisions: Realistic nucleus charge form factor and differential distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5521","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":"sha256:034a7cfe889bd85b0fb5a87dedb889dc464c63fd6e7803f4d5d0995427aad587","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":"7d6685d5c91031c784a797bf44fe7691da03ccc9329bbfcc6df7c4150b4da40b","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-04-30T13:19:56Z","title_canon_sha256":"7ae5208078f84b4a4f2514a682180af4c6080e8b959d0074c1cae0bf96752151"},"schema_version":"1.0","source":{"id":"1004.5521","kind":"arxiv","version":2}},"canonical_sha256":"880e55b514074a974b696475735b9e3db4176c181e2eb9a401e94a48bb165898","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"880e55b514074a974b696475735b9e3db4176c181e2eb9a401e94a48bb165898","first_computed_at":"2026-05-18T04:25:13.291939Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:13.291939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ibPBrMB00A4m/LlChpQuXJ1v9xgo99CTq4PucvG8smn3tFkKL0d1p7E0hnCLWAn6nCCLCHPbS66hg7M7FzimDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:13.292533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.5521","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:034a7cfe889bd85b0fb5a87dedb889dc464c63fd6e7803f4d5d0995427aad587","sha256:e2a840b70ffd0344e48ab1bbd0404441e701c4dd6c9045846c71fb9c016a13eb"],"state_sha256":"8b9f779acf77c694e7b1d464c92e748837bd51ff719e0056ab1cbf6c4f9041c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wirWJTzcNeG53eSl5IUb521Lts1IF29riyJ2jlZn9koh6DBBoE/Ebrq1mI1HCIgBXHfTpI6BD6qwiZR/TbhBBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T01:38:45.134086Z","bundle_sha256":"9e91093626a6f074da3164076eb3acc6bbcb799e8fbc4c48309049c9a6d42008"}}