{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:UB4YCD7VKZO5Z3CBUTRTK6B5Z4","short_pith_number":"pith:UB4YCD7V","schema_version":"1.0","canonical_sha256":"a079810ff5565ddcec41a4e335783dcf00d4b1ede608cf0180927d502d2b11aa","source":{"kind":"arxiv","id":"nucl-ex/0101002","version":1},"attestation_state":"computed","paper":{"title":"Directed Flow of $\\Lambda$-Hyperons in 2-6 AGeV Au+Au Collisions","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Das, A.S.Hirsch, B.Cole, B.Srivastava, C.Pinkenburg, D.Best, D.Cebra, D.Keane, D.Krofcheck, D.L.Olson, E.L.Hjort, F.P.Brady, G.Odyniec, G.Rai, H.G.Ritter, H.Liu, J.C.Kintner, J.E.Draper, J.Klay, J.Lauret, J.L.Chance, J.L.Romero, J.M.Alexander, K.Crowe, L.Huo, L.Schroeder, L.Wood, M.A.Lisa, M.Anderson, M.Heffner, M.Justice, M.Kaplan, M.L.Gilkes, N.N.Ajitanand, N.T.BStone, N.T.Porile, P.Chung, R.A.Lacey, R.McGrath, R.Scharenberg, R.Witt J.Whitfield, S.Gushue, S.Y.Panitkin, T.Case, T.J.M.Symons, T.Wienold, W.Caskey, W.N.Zhang, Y.M.Liu, Z.Milosevich","submitted_at":"2001-01-06T20:54:32Z","abstract_excerpt":"Directed flow measurements for $\\Lambda$-hyperons are presented and compared to those for protons produced in the same Au+Au collisions (2, 4, and 6 AGeV; $b < 5 - 6$ fm). The measurements indicate that $\\Lambda$-hyperons flow consistently in the same direction and with smaller magnitudes than those of protons. Such a strong positive flow [for $\\Lambda$s] has been predicted in calculations which include the influence of the $\\Lambda$-nucleon potential. The experimental flow ratio $\\Lambda$/p is in qualitative agreement with expectations ($\\sim 2/3$) from the quark counting rule at 2 AGeV but i"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"nucl-ex/0101002","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2001-01-06T20:54:32Z","cross_cats_sorted":[],"title_canon_sha256":"6d04ec39f00d9bfcb47952c9f5c39f3ee238bc6bacb89fbc0f66f6fa51993d97","abstract_canon_sha256":"2b91c667999641f52185c45814cfe1393e4434bc0bd52d75ac8a20d3aa1b6f6f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:57:35.797786Z","signature_b64":"tCPXIda/PKfxj2qcorE/LK9ngIoHToieSJYjqVPPM+sMlx9P3+1SnEkTre4DptuP445QGQKxt5MU0WJF1XcuBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a079810ff5565ddcec41a4e335783dcf00d4b1ede608cf0180927d502d2b11aa","last_reissued_at":"2026-07-04T23:57:35.797300Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:57:35.797300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Directed Flow of $\\Lambda$-Hyperons in 2-6 AGeV Au+Au Collisions","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Das, A.S.Hirsch, B.Cole, B.Srivastava, C.Pinkenburg, D.Best, D.Cebra, D.Keane, D.Krofcheck, D.L.Olson, E.L.Hjort, F.P.Brady, G.Odyniec, G.Rai, H.G.Ritter, H.Liu, J.C.Kintner, J.E.Draper, J.Klay, J.Lauret, J.L.Chance, J.L.Romero, J.M.Alexander, K.Crowe, L.Huo, L.Schroeder, L.Wood, M.A.Lisa, M.Anderson, M.Heffner, M.Justice, M.Kaplan, M.L.Gilkes, N.N.Ajitanand, N.T.BStone, N.T.Porile, P.Chung, R.A.Lacey, R.McGrath, R.Scharenberg, R.Witt J.Whitfield, S.Gushue, S.Y.Panitkin, T.Case, T.J.M.Symons, T.Wienold, W.Caskey, W.N.Zhang, Y.M.Liu, Z.Milosevich","submitted_at":"2001-01-06T20:54:32Z","abstract_excerpt":"Directed flow measurements for $\\Lambda$-hyperons are presented and compared to those for protons produced in the same Au+Au collisions (2, 4, and 6 AGeV; $b < 5 - 6$ fm). The measurements indicate that $\\Lambda$-hyperons flow consistently in the same direction and with smaller magnitudes than those of protons. Such a strong positive flow [for $\\Lambda$s] has been predicted in calculations which include the influence of the $\\Lambda$-nucleon potential. The experimental flow ratio $\\Lambda$/p is in qualitative agreement with expectations ($\\sim 2/3$) from the quark counting rule at 2 AGeV but i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0101002","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-ex/0101002/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0101002","created_at":"2026-07-04T23:57:35.797369+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0101002v1","created_at":"2026-07-04T23:57:35.797369+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0101002","created_at":"2026-07-04T23:57:35.797369+00:00"},{"alias_kind":"pith_short_12","alias_value":"UB4YCD7VKZO5","created_at":"2026-07-04T23:57:35.797369+00:00"},{"alias_kind":"pith_short_16","alias_value":"UB4YCD7VKZO5Z3CB","created_at":"2026-07-04T23:57:35.797369+00:00"},{"alias_kind":"pith_short_8","alias_value":"UB4YCD7V","created_at":"2026-07-04T23:57:35.797369+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4","json":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4.json","graph_json":"https://pith.science/api/pith-number/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/graph.json","events_json":"https://pith.science/api/pith-number/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/events.json","paper":"https://pith.science/paper/UB4YCD7V"},"agent_actions":{"view_html":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4","download_json":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4.json","view_paper":"https://pith.science/paper/UB4YCD7V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/0101002&json=true","fetch_graph":"https://pith.science/api/pith-number/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/graph.json","fetch_events":"https://pith.science/api/pith-number/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/action/storage_attestation","attest_author":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/action/author_attestation","sign_citation":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/action/citation_signature","submit_replication":"https://pith.science/pith/UB4YCD7VKZO5Z3CBUTRTK6B5Z4/action/replication_record"}},"created_at":"2026-07-04T23:57:35.797369+00:00","updated_at":"2026-07-04T23:57:35.797369+00:00"}