{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UXBC77X2PZ6PLJKKIINPTQJQ6K","short_pith_number":"pith:UXBC77X2","canonical_record":{"source":{"id":"1603.06117","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"nucl-th","submitted_at":"2016-03-19T17:25:19Z","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"fc4202c61dc943af8f94d36892a04f81f31b0c5f0f1df9819a52b4fb307f90db","abstract_canon_sha256":"129fc77bb4a89afa2a3b604f2eccf5d42f3f5d02b27c78c1bfd1d78b28229bd8"},"schema_version":"1.0"},"canonical_sha256":"a5c22ffefa7e7cf5a54a421af9c130f28cf947d08103a22272e22e2d48c68b92","source":{"kind":"arxiv","id":"1603.06117","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06117","created_at":"2026-05-18T01:11:44Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06117v2","created_at":"2026-05-18T01:11:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06117","created_at":"2026-05-18T01:11:44Z"},{"alias_kind":"pith_short_12","alias_value":"UXBC77X2PZ6P","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UXBC77X2PZ6PLJKK","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UXBC77X2","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UXBC77X2PZ6PLJKKIINPTQJQ6K","target":"record","payload":{"canonical_record":{"source":{"id":"1603.06117","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"nucl-th","submitted_at":"2016-03-19T17:25:19Z","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"fc4202c61dc943af8f94d36892a04f81f31b0c5f0f1df9819a52b4fb307f90db","abstract_canon_sha256":"129fc77bb4a89afa2a3b604f2eccf5d42f3f5d02b27c78c1bfd1d78b28229bd8"},"schema_version":"1.0"},"canonical_sha256":"a5c22ffefa7e7cf5a54a421af9c130f28cf947d08103a22272e22e2d48c68b92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:44.714412Z","signature_b64":"NxesAHX6y+o97KmGpZ4p/AxD9vjp2Ch57nHaTQgUasDg2LCmRXgREzn3PWhbVVInKzAV+suP8aKx3OE5D3TGBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5c22ffefa7e7cf5a54a421af9c130f28cf947d08103a22272e22e2d48c68b92","last_reissued_at":"2026-05-18T01:11:44.713970Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:44.713970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.06117","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y0sVpU+adgVQwCiuALmjAp+NJk5bYYDyhGFUTsQ1z+XaW0SL2PXjMo1iMsg3yZzz89dt7jepFxaEYyTiZdg4BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T09:03:09.139575Z"},"content_sha256":"e36b85aaf76754e0621fe860eae612ebdd9e4bbfb07643b800724af2ef674bbc","schema_version":"1.0","event_id":"sha256:e36b85aaf76754e0621fe860eae612ebdd9e4bbfb07643b800724af2ef674bbc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UXBC77X2PZ6PLJKKIINPTQJQ6K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vorticity in Heavy-Ion Collisions","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["hep-lat","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Wei-tian Deng, Xu-Guang Huang","submitted_at":"2016-03-19T17:25:19Z","abstract_excerpt":"We study the event-by-event generation of flow vorticity in RHIC Au + Au collisions and LHC Pb + Pb collisions by using the HIJING model. Different definitions of the vorticity field and velocity field are considered. A variety of properties of the vorticity are explored, including the impact parameter dependence, the collision energy dependence, the spatial distribution, the event-by-event fluctuation of the magnitude and azimuthal direction, and the time evolution. In addition, the spatial distribution of the flow helicity is also studied."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06117","kind":"arxiv","version":2},"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":"2026-05-18T01:11:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eo0RCE1AYzto2hi2PQWGjKMQa7HVZbLj6GC7ir/xvs4J9mM5pPz1TG9+wLWgHYschKpSNHYG+g6EpKU9CGVUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T09:03:09.140273Z"},"content_sha256":"cecc77700a5ba1b93d69210924ce9f873889c59ce8d12f5387c24ad428a90ef5","schema_version":"1.0","event_id":"sha256:cecc77700a5ba1b93d69210924ce9f873889c59ce8d12f5387c24ad428a90ef5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K/bundle.json","state_url":"https://pith.science/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K/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":"2026-06-10T09:03:09Z","links":{"resolver":"https://pith.science/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K","bundle":"https://pith.science/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K/bundle.json","state":"https://pith.science/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UXBC77X2PZ6PLJKKIINPTQJQ6K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UXBC77X2PZ6PLJKKIINPTQJQ6K","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":"129fc77bb4a89afa2a3b604f2eccf5d42f3f5d02b27c78c1bfd1d78b28229bd8","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"nucl-th","submitted_at":"2016-03-19T17:25:19Z","title_canon_sha256":"fc4202c61dc943af8f94d36892a04f81f31b0c5f0f1df9819a52b4fb307f90db"},"schema_version":"1.0","source":{"id":"1603.06117","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06117","created_at":"2026-05-18T01:11:44Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06117v2","created_at":"2026-05-18T01:11:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06117","created_at":"2026-05-18T01:11:44Z"},{"alias_kind":"pith_short_12","alias_value":"UXBC77X2PZ6P","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UXBC77X2PZ6PLJKK","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UXBC77X2","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:cecc77700a5ba1b93d69210924ce9f873889c59ce8d12f5387c24ad428a90ef5","target":"graph","created_at":"2026-05-18T01:11:44Z","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 event-by-event generation of flow vorticity in RHIC Au + Au collisions and LHC Pb + Pb collisions by using the HIJING model. Different definitions of the vorticity field and velocity field are considered. A variety of properties of the vorticity are explored, including the impact parameter dependence, the collision energy dependence, the spatial distribution, the event-by-event fluctuation of the magnitude and azimuthal direction, and the time evolution. In addition, the spatial distribution of the flow helicity is also studied.","authors_text":"Wei-tian Deng, Xu-Guang Huang","cross_cats":["hep-lat","hep-ph","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"nucl-th","submitted_at":"2016-03-19T17:25:19Z","title":"Vorticity in Heavy-Ion Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06117","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:e36b85aaf76754e0621fe860eae612ebdd9e4bbfb07643b800724af2ef674bbc","target":"record","created_at":"2026-05-18T01:11:44Z","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":"129fc77bb4a89afa2a3b604f2eccf5d42f3f5d02b27c78c1bfd1d78b28229bd8","cross_cats_sorted":["hep-lat","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"nucl-th","submitted_at":"2016-03-19T17:25:19Z","title_canon_sha256":"fc4202c61dc943af8f94d36892a04f81f31b0c5f0f1df9819a52b4fb307f90db"},"schema_version":"1.0","source":{"id":"1603.06117","kind":"arxiv","version":2}},"canonical_sha256":"a5c22ffefa7e7cf5a54a421af9c130f28cf947d08103a22272e22e2d48c68b92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5c22ffefa7e7cf5a54a421af9c130f28cf947d08103a22272e22e2d48c68b92","first_computed_at":"2026-05-18T01:11:44.713970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:44.713970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NxesAHX6y+o97KmGpZ4p/AxD9vjp2Ch57nHaTQgUasDg2LCmRXgREzn3PWhbVVInKzAV+suP8aKx3OE5D3TGBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:44.714412Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.06117","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e36b85aaf76754e0621fe860eae612ebdd9e4bbfb07643b800724af2ef674bbc","sha256:cecc77700a5ba1b93d69210924ce9f873889c59ce8d12f5387c24ad428a90ef5"],"state_sha256":"b3b65e23eef5406ce839a3d624e57b0977c949a3b5375c5489c7337c64135205"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ckcKJFuYGSpf8npz6xBypi4hBkldm54krfAi6ZQE1vzvLpEiWcXZiBi6nJw4asx7flJ9Lk58G8AtHQb/GoFbDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T09:03:09.144017Z","bundle_sha256":"5f88634bcda32dd156dec58b5142c7731911fa31be8639aa43b87c0759d89e91"}}