{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HHSSL7EKPU5EIURCEDN6P4N6FZ","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":"f1b12e235464b72b39b38be315241b706bf3391a375edd4d9471c7d7097d0a3a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-05-05T05:01:16Z","title_canon_sha256":"ac337f235750550ec270c9430fc3bb6e7d6f84ec83073ff476b0b4eb5f454eba"},"schema_version":"1.0","source":{"id":"2105.01866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.01866","created_at":"2026-07-05T02:40:51Z"},{"alias_kind":"arxiv_version","alias_value":"2105.01866v1","created_at":"2026-07-05T02:40:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.01866","created_at":"2026-07-05T02:40:51Z"},{"alias_kind":"pith_short_12","alias_value":"HHSSL7EKPU5E","created_at":"2026-07-05T02:40:51Z"},{"alias_kind":"pith_short_16","alias_value":"HHSSL7EKPU5EIURC","created_at":"2026-07-05T02:40:51Z"},{"alias_kind":"pith_short_8","alias_value":"HHSSL7EK","created_at":"2026-07-05T02:40:51Z"}],"graph_snapshots":[{"event_id":"sha256:d104170727559f2c6d843bed1011ff9e865cb27cb592927112c57725068b6d69","target":"graph","created_at":"2026-07-05T02:40:51Z","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/2105.01866/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Within an isospin- and momentum-dependent transport model, we investigate the necessity of selfconsistent calculations for the electromagnetic field in probing the nuclear symmetry energy using pion observables in heavy-ion collisions at intermediate energies. To this end, we perform the $^{96}$Ru + $^{96}$Ru collisions at 400 MeV/nucleon with two calculations scenarios for the electromagnetic field including the selfconsistent calculation and the most used Li\\'{e}nard-Wiechert formula, while the latter is a simplified one of the complete Li\\'{e}nard-Wiechert formula by neglecting the radiatio","authors_text":"Chang Liu, Chao-Yun Long, Gao-Feng Wei, Qi-jun Zhi, Wen-Jun Xiao, Xin-Wei Cao, Zheng-Wen Long","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-05-05T05:01:16Z","title":"Necessity of selfconsistent calculations for the electromagnetic field in probing the nuclear symmetry energy using pion observables in heavy-ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.01866","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":"sha256:5b746e52d058119e7fa1cb9cf3c79e61ddbc36c6d2f844b5f6dad155c320889c","target":"record","created_at":"2026-07-05T02:40:51Z","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":"f1b12e235464b72b39b38be315241b706bf3391a375edd4d9471c7d7097d0a3a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2021-05-05T05:01:16Z","title_canon_sha256":"ac337f235750550ec270c9430fc3bb6e7d6f84ec83073ff476b0b4eb5f454eba"},"schema_version":"1.0","source":{"id":"2105.01866","kind":"arxiv","version":1}},"canonical_sha256":"39e525fc8a7d3a44522220dbe7f1be2e64ccd2c8efb321001e019aeca68b9ecc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39e525fc8a7d3a44522220dbe7f1be2e64ccd2c8efb321001e019aeca68b9ecc","first_computed_at":"2026-07-05T02:40:51.181907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:40:51.181907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FNVgwkdQgfggSbeNF/BJK8Rv+JmXgaD/W1pZUZ3efaW5QbwUjhf/1VK5iUFIAVDg4q0q8eYGCnwH65JvxCB5Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:40:51.182360Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.01866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b746e52d058119e7fa1cb9cf3c79e61ddbc36c6d2f844b5f6dad155c320889c","sha256:d104170727559f2c6d843bed1011ff9e865cb27cb592927112c57725068b6d69"],"state_sha256":"a824548fc39f7a12d07433089154cf266fc1c559a2bc5490fdacb4196aaccb04"}