{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:526ONNKCLLFGNZDIVNAQ2WP6BH","short_pith_number":"pith:526ONNKC","canonical_record":{"source":{"id":"1811.05519","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-11-13T20:14:13Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"7a3575f72400a501d97a05ecd704ca7d73c613e0caa43e135c226ddaf5afdd76","abstract_canon_sha256":"952a86041ec86d57b290584578c822c996e3787aaf6683d07e2f43cd31dcd4ca"},"schema_version":"1.0"},"canonical_sha256":"eebce6b5425aca66e468ab410d59fe09f13b23cbcd158c1e70d3823580a18d0b","source":{"kind":"arxiv","id":"1811.05519","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.05519","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"1811.05519v1","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.05519","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"526ONNKCLLFG","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"526ONNKCLLFGNZDI","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"526ONNKC","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:526ONNKCLLFGNZDIVNAQ2WP6BH","target":"record","payload":{"canonical_record":{"source":{"id":"1811.05519","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-11-13T20:14:13Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"7a3575f72400a501d97a05ecd704ca7d73c613e0caa43e135c226ddaf5afdd76","abstract_canon_sha256":"952a86041ec86d57b290584578c822c996e3787aaf6683d07e2f43cd31dcd4ca"},"schema_version":"1.0"},"canonical_sha256":"eebce6b5425aca66e468ab410d59fe09f13b23cbcd158c1e70d3823580a18d0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:03.030526Z","signature_b64":"qaMQzob22/3J586pHjnIpPWi80F/WqdiCmvGR+tvLe970hrkcTIo0xDE23lKhmN5K9OH3TlPsQHQa9r36boDCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eebce6b5425aca66e468ab410d59fe09f13b23cbcd158c1e70d3823580a18d0b","last_reissued_at":"2026-05-17T23:49:03.030054Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:03.030054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.05519","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":"2026-05-17T23:49:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F74c0XZqeHPRyQWqHTo/799iPNj7/T6c8f0v1ZdppXbMh7dj5YMVschWgS4fb+g+icQQHJAOWTYPMj46JP21AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:40:25.752939Z"},"content_sha256":"97afe3d92ff810e2b3da2557b5bc82aab205f6ae712e7a42dff5cb920a8d1cbd","schema_version":"1.0","event_id":"sha256:97afe3d92ff810e2b3da2557b5bc82aab205f6ae712e7a42dff5cb920a8d1cbd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:526ONNKCLLFGNZDIVNAQ2WP6BH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Acoplanarity of Lepton Pair to Probe the Electromagnetic Property of Quark Matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"A.H. Mueller, Bo-Wen Xiao, Feng Yuan, Spencer Klein","submitted_at":"2018-11-13T20:14:13Z","abstract_excerpt":"We investigate the $P_T$-broadening effects in dilepton production through photon-photon scattering in heavy ion collisions. The QED multiple interaction effects with the medium is found to be consistent with a recent observation of low transverse momentum lepton pair from ATLAS collaboration at the LHC. We further comment on the magnetic effects and point out a number of ways to disentangle these two mechanisms. In particular, the rapidity dependence of the $P_T$-broadening effects provide a unique probe to the magnetic effects."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.05519","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":"2026-05-17T23:49:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ibghd0pKzEd+y9tlvKSursHeLtNiLtwoov87an3E9+Mt8zYrG55tfM0C3mwSHy+d6wfH2Vt1ETc6jhmvxAccAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:40:25.753685Z"},"content_sha256":"c5dd37d0dd2569bff3c8494ee71366073c2d8b85fef7b7a4c1563dbcd6f877ea","schema_version":"1.0","event_id":"sha256:c5dd37d0dd2569bff3c8494ee71366073c2d8b85fef7b7a4c1563dbcd6f877ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/526ONNKCLLFGNZDIVNAQ2WP6BH/bundle.json","state_url":"https://pith.science/pith/526ONNKCLLFGNZDIVNAQ2WP6BH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/526ONNKCLLFGNZDIVNAQ2WP6BH/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":"2026-06-09T08:40:25Z","links":{"resolver":"https://pith.science/pith/526ONNKCLLFGNZDIVNAQ2WP6BH","bundle":"https://pith.science/pith/526ONNKCLLFGNZDIVNAQ2WP6BH/bundle.json","state":"https://pith.science/pith/526ONNKCLLFGNZDIVNAQ2WP6BH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/526ONNKCLLFGNZDIVNAQ2WP6BH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:526ONNKCLLFGNZDIVNAQ2WP6BH","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":"952a86041ec86d57b290584578c822c996e3787aaf6683d07e2f43cd31dcd4ca","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-11-13T20:14:13Z","title_canon_sha256":"7a3575f72400a501d97a05ecd704ca7d73c613e0caa43e135c226ddaf5afdd76"},"schema_version":"1.0","source":{"id":"1811.05519","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.05519","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"1811.05519v1","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.05519","created_at":"2026-05-17T23:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"526ONNKCLLFG","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"526ONNKCLLFGNZDI","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"526ONNKC","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:c5dd37d0dd2569bff3c8494ee71366073c2d8b85fef7b7a4c1563dbcd6f877ea","target":"graph","created_at":"2026-05-17T23:49:03Z","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 investigate the $P_T$-broadening effects in dilepton production through photon-photon scattering in heavy ion collisions. The QED multiple interaction effects with the medium is found to be consistent with a recent observation of low transverse momentum lepton pair from ATLAS collaboration at the LHC. We further comment on the magnetic effects and point out a number of ways to disentangle these two mechanisms. In particular, the rapidity dependence of the $P_T$-broadening effects provide a unique probe to the magnetic effects.","authors_text":"A.H. Mueller, Bo-Wen Xiao, Feng Yuan, Spencer Klein","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-11-13T20:14:13Z","title":"Acoplanarity of Lepton Pair to Probe the Electromagnetic Property of Quark Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.05519","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":"sha256:97afe3d92ff810e2b3da2557b5bc82aab205f6ae712e7a42dff5cb920a8d1cbd","target":"record","created_at":"2026-05-17T23:49:03Z","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":"952a86041ec86d57b290584578c822c996e3787aaf6683d07e2f43cd31dcd4ca","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-11-13T20:14:13Z","title_canon_sha256":"7a3575f72400a501d97a05ecd704ca7d73c613e0caa43e135c226ddaf5afdd76"},"schema_version":"1.0","source":{"id":"1811.05519","kind":"arxiv","version":1}},"canonical_sha256":"eebce6b5425aca66e468ab410d59fe09f13b23cbcd158c1e70d3823580a18d0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eebce6b5425aca66e468ab410d59fe09f13b23cbcd158c1e70d3823580a18d0b","first_computed_at":"2026-05-17T23:49:03.030054Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:03.030054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qaMQzob22/3J586pHjnIpPWi80F/WqdiCmvGR+tvLe970hrkcTIo0xDE23lKhmN5K9OH3TlPsQHQa9r36boDCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:03.030526Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.05519","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97afe3d92ff810e2b3da2557b5bc82aab205f6ae712e7a42dff5cb920a8d1cbd","sha256:c5dd37d0dd2569bff3c8494ee71366073c2d8b85fef7b7a4c1563dbcd6f877ea"],"state_sha256":"a015baad65e9c9b304a60fafb19b5fb58b8d31c19b5b83c7b55699d3b8677538"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/rDwwkm6sjSWquavk6yz4oUIr6XJGdlM/QeuZMlqj71KhK7ediEhLcbjqzzMk8/WznTb5nyWdJHwEIx/YNGUCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:40:25.757660Z","bundle_sha256":"899c87a6059ee61b7090d05b10efc3ee50ffc59d65063c788e3d265d604658cd"}}