{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:WOST7M7WIU4QAS7GGB52J2IJLW","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":"7fbcdde734066c3ca27175e107e796b9f76b912849c50eecd48727f4ff46b636","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"1999-03-17T17:28:40Z","title_canon_sha256":"2cb5de4d072695e29ef3056b83a24cc6c1e654a07299146e5d99e6af4817d268"},"schema_version":"1.0","source":{"id":"nucl-ex/9903010","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/9903010","created_at":"2026-07-04T15:21:04Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/9903010v1","created_at":"2026-07-04T15:21:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/9903010","created_at":"2026-07-04T15:21:04Z"},{"alias_kind":"pith_short_12","alias_value":"WOST7M7WIU4Q","created_at":"2026-07-04T15:21:04Z"},{"alias_kind":"pith_short_16","alias_value":"WOST7M7WIU4QAS7G","created_at":"2026-07-04T15:21:04Z"},{"alias_kind":"pith_short_8","alias_value":"WOST7M7W","created_at":"2026-07-04T15:21:04Z"}],"graph_snapshots":[{"event_id":"sha256:cdb25be2008f26259da5e37e42167db0740ff506082ea47881e897f9e3796be8","target":"graph","created_at":"2026-07-04T15:21:04Z","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/9903010/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have measured the proton elliptic flow excitation function for the Au + Au system spanning the beam energy range 2 -- 8 AGeV. The excitation function shows a transition from negative to positive elliptic flow at a beam energy, $E_{tr} \\sim$ 4 AGeV. Detailed comparisons with calculations from a relativistic Boltzmann-equation are presented. The comparisons suggest a softening of the nuclear equation of state (EOS) from a stiff form (K \\sim 380 MeV) at low beam energies (E_{Beam} \\le 2 AGeV) to a softer form (K \\sim 210 MeV) at higher energies (E_{Beam} \\ge $ 4 AGeV) where the calculated bary","authors_text":"C. Pinkenburg, E895 Collaboration, et. al","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"1999-03-17T17:28:40Z","title":"Elliptic Flow: Transition from out-of-plane to in-plane Emission in Au + Au Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/9903010","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:e371b2f523eea9c6865800d5c7ac6703d3c7323e660cd47ce03a30d9b24ee36a","target":"record","created_at":"2026-07-04T15:21:04Z","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":"7fbcdde734066c3ca27175e107e796b9f76b912849c50eecd48727f4ff46b636","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"1999-03-17T17:28:40Z","title_canon_sha256":"2cb5de4d072695e29ef3056b83a24cc6c1e654a07299146e5d99e6af4817d268"},"schema_version":"1.0","source":{"id":"nucl-ex/9903010","kind":"arxiv","version":1}},"canonical_sha256":"b3a53fb3f64539004be6307ba4e9095da2be84ebf82154f15017877f3d00a834","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3a53fb3f64539004be6307ba4e9095da2be84ebf82154f15017877f3d00a834","first_computed_at":"2026-07-04T15:21:04.040537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:21:04.040537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uHk7Gb83a/a85vklnWF1M0XLLb0Q9yeP7xtfXvubDd2TCZrGvXBXe7JNbTcoeHpF6tzw/k34IdBoiy7hhuKICw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:21:04.040919Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/9903010","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e371b2f523eea9c6865800d5c7ac6703d3c7323e660cd47ce03a30d9b24ee36a","sha256:cdb25be2008f26259da5e37e42167db0740ff506082ea47881e897f9e3796be8"],"state_sha256":"8b666746dbf93676734ad315bd2fc874121544065ba2f51d2e5ba5f23bd2bb2e"}