{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:VWVX323R5NEJUXFDPA7DQ7OITY","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":"b1286c1f21e4046892cd3eb33e34430a5a8a442f747ef9fceb55b8ed4a0f3317","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2006-02-23T23:11:38Z","title_canon_sha256":"13438e12d3345683587b74044af9be706e4960d0f823e23804b870b81ffd5c24"},"schema_version":"1.0","source":{"id":"nucl-ex/0602023","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0602023","created_at":"2026-07-04T15:17:53Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0602023v2","created_at":"2026-07-04T15:17:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0602023","created_at":"2026-07-04T15:17:53Z"},{"alias_kind":"pith_short_12","alias_value":"VWVX323R5NEJ","created_at":"2026-07-04T15:17:53Z"},{"alias_kind":"pith_short_16","alias_value":"VWVX323R5NEJUXFD","created_at":"2026-07-04T15:17:53Z"},{"alias_kind":"pith_short_8","alias_value":"VWVX323R","created_at":"2026-07-04T15:17:53Z"}],"graph_snapshots":[{"event_id":"sha256:8eebaa25edae61b299ca118a6c4936f3fc2b10717fe6aebf76d877ade51e1e54","target":"graph","created_at":"2026-07-04T15:17:53Z","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/nucl-ex/0602023/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Experimental analyses of moderate temperature nuclear gases produced in the violent collisions of 35 MeV/nucleon$^{64}$Zn projectiles with $^{92}$Mo and $^{197}$Au target nuclei reveal a large degree of alpha particle clustering at low densities. For these gases, temperature and density dependent symmetry energy coefficients have been derived from isoscaling analyses of the yields of nuclei with A $\\leq 4$. At densities of 0.01 to 0.05 times the ground state density of symmetric nuclear matter, the temperature and density dependent symmetry energies are 10.7 to 13.5 MeV. These values are much ","authors_text":"A. Ono, A. S. Botvina, D. Fabris, G. Nebbia, G. Prete, G. Viesti, J. B. Natowitz, J. Wang, K. Hagel, L. Qin, M. Cinausero, M. Lunardon, R. Wada, S. Kowalski, S. Moretto, S. Pesente, S. Shlomo, T. Keutgen, T. Materna, V. Rizzi, Y. El Masri, Y. G. Ma, Z. Chen, Z. Majka","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2006-02-23T23:11:38Z","title":"Experimental determination of the symmetry energy of a low density nuclear gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0602023","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":"sha256:1450e642c41120d128a316e5b023cb084bd29a4f89efdb1c5ae09706d3d13b15","target":"record","created_at":"2026-07-04T15:17:53Z","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":"b1286c1f21e4046892cd3eb33e34430a5a8a442f747ef9fceb55b8ed4a0f3317","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2006-02-23T23:11:38Z","title_canon_sha256":"13438e12d3345683587b74044af9be706e4960d0f823e23804b870b81ffd5c24"},"schema_version":"1.0","source":{"id":"nucl-ex/0602023","kind":"arxiv","version":2}},"canonical_sha256":"adab7deb71eb489a5ca3783e387dc89e221408e0297046b49d9cb02283b9e19e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adab7deb71eb489a5ca3783e387dc89e221408e0297046b49d9cb02283b9e19e","first_computed_at":"2026-07-04T15:17:53.690223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:17:53.690223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vQQFxPZSkApaU1ta1LlhVfJ2qHkwUqtyuaf8+a5PvwW2AYgY+oYab3+I8RHwvjxfKhoeNL4D8dILqJtEw2CrAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:17:53.690669Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0602023","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1450e642c41120d128a316e5b023cb084bd29a4f89efdb1c5ae09706d3d13b15","sha256:8eebaa25edae61b299ca118a6c4936f3fc2b10717fe6aebf76d877ade51e1e54"],"state_sha256":"96b42a81d7f7a593df1101e2410c5d32922bd25e935acdbd543d6759b6467611"}