{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ILWFGJLG4GTUSHK7HHBPKWUII3","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":"6da1d696d1584ea699561fcb2dc217d23bb35f6c68162d16b002b02cd272ac83","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-07-21T04:46:39Z","title_canon_sha256":"5e602a46c8c850006c04302491acba887d4ca069d06fcec419151ee04de199d6"},"schema_version":"1.0","source":{"id":"1607.06188","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06188","created_at":"2026-05-18T01:08:08Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06188v1","created_at":"2026-05-18T01:08:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06188","created_at":"2026-05-18T01:08:08Z"},{"alias_kind":"pith_short_12","alias_value":"ILWFGJLG4GTU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"ILWFGJLG4GTUSHK7","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"ILWFGJLG","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:738e2e87fb5f44b8e4558e18ac20bb0992dd2f725de99eefc0899ec5fed2615c","target":"graph","created_at":"2026-05-18T01:08:08Z","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 study of high energy collisions between heavy nuclei is a field unto itself, distinct from nuclear and particle physics. A defining aspect of heavy ion physics is the importance of a bulk, self-interacting system with a rich space-time substructure. I focus on the issue of timescales in heavy ion collisions, starting with proof from low-energy collisions that femtoscopy can, indeed, measure very long timescales. I then discuss the relativistic case, where detailed measurements over three orders of magnitude in energy reveal a timescale increase that might be due to a first-order phase tran","authors_text":"Mike Lisa","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-07-21T04:46:39Z","title":"Timescales in heavy ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06188","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":"sha256:521c984fdc5b70b47b3509a108498558f233f41cdf04a351d05e8a381859d010","target":"record","created_at":"2026-05-18T01:08:08Z","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":"6da1d696d1584ea699561fcb2dc217d23bb35f6c68162d16b002b02cd272ac83","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-07-21T04:46:39Z","title_canon_sha256":"5e602a46c8c850006c04302491acba887d4ca069d06fcec419151ee04de199d6"},"schema_version":"1.0","source":{"id":"1607.06188","kind":"arxiv","version":1}},"canonical_sha256":"42ec532566e1a7491d5f39c2f55a8846c3b8a25957b6a8ee54810ca276c7afaa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42ec532566e1a7491d5f39c2f55a8846c3b8a25957b6a8ee54810ca276c7afaa","first_computed_at":"2026-05-18T01:08:08.491521Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:08.491521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l2hE5emrCjChEu2K8xAX30NKWkUQO7yA21k5r95IMbGV2eu/3JM4Pu76opVvO4yzFDN/7OsjU6SKUtmYUP7hCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:08.492171Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.06188","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:521c984fdc5b70b47b3509a108498558f233f41cdf04a351d05e8a381859d010","sha256:738e2e87fb5f44b8e4558e18ac20bb0992dd2f725de99eefc0899ec5fed2615c"],"state_sha256":"f257a29da6c5984c9a2db41bec51333296a19fada8ccc294eb17784e2ec03b63"}