{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:SIMZHOOOHEHQVJF5KSUQX2RHYY","short_pith_number":"pith:SIMZHOOO","canonical_record":{"source":{"id":"1809.07049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-19T08:09:42Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5f2f02a371b9ab9742cf8aad9bae330b73fd9536a9f4dcca3c33c91807afd8dd","abstract_canon_sha256":"06e0e39ec5b00eda26023e43d16959c26ef4a7d7a4c85c1c7d7a5edd1ec50d32"},"schema_version":"1.0"},"canonical_sha256":"921993b9ce390f0aa4bd54a90bea27c60664bf1a4adc7d1939151d1a931aba8c","source":{"kind":"arxiv","id":"1809.07049","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.07049","created_at":"2026-05-17T23:55:11Z"},{"alias_kind":"arxiv_version","alias_value":"1809.07049v1","created_at":"2026-05-17T23:55:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.07049","created_at":"2026-05-17T23:55:11Z"},{"alias_kind":"pith_short_12","alias_value":"SIMZHOOOHEHQ","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SIMZHOOOHEHQVJF5","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SIMZHOOO","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:SIMZHOOOHEHQVJF5KSUQX2RHYY","target":"record","payload":{"canonical_record":{"source":{"id":"1809.07049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-19T08:09:42Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5f2f02a371b9ab9742cf8aad9bae330b73fd9536a9f4dcca3c33c91807afd8dd","abstract_canon_sha256":"06e0e39ec5b00eda26023e43d16959c26ef4a7d7a4c85c1c7d7a5edd1ec50d32"},"schema_version":"1.0"},"canonical_sha256":"921993b9ce390f0aa4bd54a90bea27c60664bf1a4adc7d1939151d1a931aba8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:11.769378Z","signature_b64":"MQFtMn4yUN0AUivpg2Qj4acbXzvKfNqb1x17rrLVToOWcTW71OiiMVquWsGcjvA12ndiMZqlUrl2Y7M+XwdNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"921993b9ce390f0aa4bd54a90bea27c60664bf1a4adc7d1939151d1a931aba8c","last_reissued_at":"2026-05-17T23:55:11.768885Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:11.768885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.07049","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":"2026-05-17T23:55:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tBqWWai2XEFa0MHhK/ucd0gdcVDhzz0EDQknvPcRlaH+2jszK5x3IwZeljlxT5MnR3w+tIPHnaD0XmYT9Ng7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:56:41.243120Z"},"content_sha256":"ac624335dd4abe10df1b7190b011dbe9d4190d753197e8ddfdf7e5408cd1d9ad","schema_version":"1.0","event_id":"sha256:ac624335dd4abe10df1b7190b011dbe9d4190d753197e8ddfdf7e5408cd1d9ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:SIMZHOOOHEHQVJF5KSUQX2RHYY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dilepton Radiation in Heavy-Ion Collisions at Small Transverse Momentum","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, Ralf Rapp, Wolfgang Sch\\\"afer","submitted_at":"2018-09-19T08:09:42Z","abstract_excerpt":"We study the invariant-mass distributions of dileptons produced in ultrarelativistic heavy-ion collisions at very low pair transverse momenta, $P_T\\leq 0.15$ GeV. Specifically, we investigate the interplay of thermal radiation with initial photon annihilation processes, $\\gamma \\gamma \\to l^+ l^-$, triggered by the coherent electromagnetic fields of the incoming nuclei. For the thermal radiation, we employ the emission from the QGP and hadronic phases with in-medium vector spectral functions which describes the inclusive excess radiation observed over a wide range of collision energies. For th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.07049","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":"2026-05-17T23:55:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/+MkV7KCMdn4NiYguUPRB7LkJ2posnXg1mLYI5T1mmtxyULqay1YdpzC/D5XBf/XBGIOSgBE5clzKkmqbuuPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:56:41.243634Z"},"content_sha256":"26a0a0b299b8d4b5f76084592a8ee7292b2a33bf8653ec0269f7c936735c2c3a","schema_version":"1.0","event_id":"sha256:26a0a0b299b8d4b5f76084592a8ee7292b2a33bf8653ec0269f7c936735c2c3a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY/bundle.json","state_url":"https://pith.science/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY/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":"2026-08-15T17:56:41Z","links":{"resolver":"https://pith.science/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY","bundle":"https://pith.science/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY/bundle.json","state":"https://pith.science/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SIMZHOOOHEHQVJF5KSUQX2RHYY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:SIMZHOOOHEHQVJF5KSUQX2RHYY","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":"06e0e39ec5b00eda26023e43d16959c26ef4a7d7a4c85c1c7d7a5edd1ec50d32","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-19T08:09:42Z","title_canon_sha256":"5f2f02a371b9ab9742cf8aad9bae330b73fd9536a9f4dcca3c33c91807afd8dd"},"schema_version":"1.0","source":{"id":"1809.07049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.07049","created_at":"2026-05-17T23:55:11Z"},{"alias_kind":"arxiv_version","alias_value":"1809.07049v1","created_at":"2026-05-17T23:55:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.07049","created_at":"2026-05-17T23:55:11Z"},{"alias_kind":"pith_short_12","alias_value":"SIMZHOOOHEHQ","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"SIMZHOOOHEHQVJF5","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"SIMZHOOO","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:26a0a0b299b8d4b5f76084592a8ee7292b2a33bf8653ec0269f7c936735c2c3a","target":"graph","created_at":"2026-05-17T23:55:11Z","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 study the invariant-mass distributions of dileptons produced in ultrarelativistic heavy-ion collisions at very low pair transverse momenta, $P_T\\leq 0.15$ GeV. Specifically, we investigate the interplay of thermal radiation with initial photon annihilation processes, $\\gamma \\gamma \\to l^+ l^-$, triggered by the coherent electromagnetic fields of the incoming nuclei. For the thermal radiation, we employ the emission from the QGP and hadronic phases with in-medium vector spectral functions which describes the inclusive excess radiation observed over a wide range of collision energies. For th","authors_text":"Antoni Szczurek, Mariola Klusek-Gawenda, Ralf Rapp, Wolfgang Sch\\\"afer","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-19T08:09:42Z","title":"Dilepton Radiation in Heavy-Ion Collisions at Small Transverse Momentum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.07049","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:ac624335dd4abe10df1b7190b011dbe9d4190d753197e8ddfdf7e5408cd1d9ad","target":"record","created_at":"2026-05-17T23:55:11Z","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":"06e0e39ec5b00eda26023e43d16959c26ef4a7d7a4c85c1c7d7a5edd1ec50d32","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-19T08:09:42Z","title_canon_sha256":"5f2f02a371b9ab9742cf8aad9bae330b73fd9536a9f4dcca3c33c91807afd8dd"},"schema_version":"1.0","source":{"id":"1809.07049","kind":"arxiv","version":1}},"canonical_sha256":"921993b9ce390f0aa4bd54a90bea27c60664bf1a4adc7d1939151d1a931aba8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"921993b9ce390f0aa4bd54a90bea27c60664bf1a4adc7d1939151d1a931aba8c","first_computed_at":"2026-05-17T23:55:11.768885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:11.768885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MQFtMn4yUN0AUivpg2Qj4acbXzvKfNqb1x17rrLVToOWcTW71OiiMVquWsGcjvA12ndiMZqlUrl2Y7M+XwdNBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:11.769378Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.07049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac624335dd4abe10df1b7190b011dbe9d4190d753197e8ddfdf7e5408cd1d9ad","sha256:26a0a0b299b8d4b5f76084592a8ee7292b2a33bf8653ec0269f7c936735c2c3a"],"state_sha256":"43355c7536dc5a55f8b2bc1cc178bf7589078d8d0d58acc0696a2a13478bdc7d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q2lQmtyCmA4W1cmvTnN4vtWu8lf/f5KymceE0qqD7t8TXutzW8pWAjuYRGpjuB9nXn1U31wUF+XSu9UVgWBWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T17:56:41.248027Z","bundle_sha256":"3012e02be002bc49b0de7250e5a8f832a448028889b87a31c05c544801e361a3"}}