{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:D3BYDU56CLDNFADOPIXNX63LLO","short_pith_number":"pith:D3BYDU56","canonical_record":{"source":{"id":"1710.00134","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-09-30T01:44:16Z","cross_cats_sorted":[],"title_canon_sha256":"3431cc0c0c5ffae99a527c68a945325c3b73026afd91869c753d5f629ca0923c","abstract_canon_sha256":"b9519353ece12cf0b0db8e76bffda55cea25d2887966a6c6ab66c6b67f555560"},"schema_version":"1.0"},"canonical_sha256":"1ec381d3be12c6d2806e7a2edbfb6b5b8b6f21a1e0cff922097179521e000b96","source":{"kind":"arxiv","id":"1710.00134","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00134","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00134v2","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00134","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"pith_short_12","alias_value":"D3BYDU56CLDN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"D3BYDU56CLDNFADO","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"D3BYDU56","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:D3BYDU56CLDNFADOPIXNX63LLO","target":"record","payload":{"canonical_record":{"source":{"id":"1710.00134","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-09-30T01:44:16Z","cross_cats_sorted":[],"title_canon_sha256":"3431cc0c0c5ffae99a527c68a945325c3b73026afd91869c753d5f629ca0923c","abstract_canon_sha256":"b9519353ece12cf0b0db8e76bffda55cea25d2887966a6c6ab66c6b67f555560"},"schema_version":"1.0"},"canonical_sha256":"1ec381d3be12c6d2806e7a2edbfb6b5b8b6f21a1e0cff922097179521e000b96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:15.256335Z","signature_b64":"Ikao8iBhbaN8E0Eb7k7/dMTNwZFlPScXflgoQOW8RHpQnRdNJ3llXA1wcsXdCYxJ3PxZ7teUqoRfD0dskhViDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ec381d3be12c6d2806e7a2edbfb6b5b8b6f21a1e0cff922097179521e000b96","last_reissued_at":"2026-05-17T23:55:15.255847Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:15.255847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.00134","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":"2026-05-17T23:55:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q1YryD+gYsivYJnEtxygir0wT1wl/9By3uRxc0sklAq7SPqjF+DPpdSY6wsiHZSMqfD/ScOZJKyELyq8ssE8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:31:34.369442Z"},"content_sha256":"4bca685f9fba62478093e02619a4b3c5020a0e8c2253c5910bd3384ae51b2142","schema_version":"1.0","event_id":"sha256:4bca685f9fba62478093e02619a4b3c5020a0e8c2253c5910bd3384ae51b2142"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:D3BYDU56CLDNFADOPIXNX63LLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Alternative methods to measure global polarization of $\\Lambda$ hyperons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Irfan Siddique, Michael Annan Lisa, Qun Wang, Zhang-bu Xu, Zuo-Tang Liang","submitted_at":"2017-09-30T01:44:16Z","abstract_excerpt":"We propose alternative methods to measure the global polarization of $\\Lambda$ hyperons. These methods involve event averages of proton's and $\\Lambda$'s momenta in the lab frame. We carry out simulations using these methods and show that all of them work equivalently well in obtaining the global polarization of $\\Lambda$ hyperons."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00134","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":"2026-05-17T23:55:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qLCGC2ppxSvTjCnNEJ5+VI85lLxlZordMjSLYD+RK+0EAol/IOD/FBCz+e6BHcjLyFwlwbUo1hLhpryoMxJ1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:31:34.369795Z"},"content_sha256":"ac1323cc54a5ca9a5c659072946d49399f7a085fa39f75b94e40fcb1207b29ff","schema_version":"1.0","event_id":"sha256:ac1323cc54a5ca9a5c659072946d49399f7a085fa39f75b94e40fcb1207b29ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D3BYDU56CLDNFADOPIXNX63LLO/bundle.json","state_url":"https://pith.science/pith/D3BYDU56CLDNFADOPIXNX63LLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D3BYDU56CLDNFADOPIXNX63LLO/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":"2026-06-02T02:31:34Z","links":{"resolver":"https://pith.science/pith/D3BYDU56CLDNFADOPIXNX63LLO","bundle":"https://pith.science/pith/D3BYDU56CLDNFADOPIXNX63LLO/bundle.json","state":"https://pith.science/pith/D3BYDU56CLDNFADOPIXNX63LLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D3BYDU56CLDNFADOPIXNX63LLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:D3BYDU56CLDNFADOPIXNX63LLO","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":"b9519353ece12cf0b0db8e76bffda55cea25d2887966a6c6ab66c6b67f555560","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-09-30T01:44:16Z","title_canon_sha256":"3431cc0c0c5ffae99a527c68a945325c3b73026afd91869c753d5f629ca0923c"},"schema_version":"1.0","source":{"id":"1710.00134","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00134","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00134v2","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00134","created_at":"2026-05-17T23:55:15Z"},{"alias_kind":"pith_short_12","alias_value":"D3BYDU56CLDN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"D3BYDU56CLDNFADO","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"D3BYDU56","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:ac1323cc54a5ca9a5c659072946d49399f7a085fa39f75b94e40fcb1207b29ff","target":"graph","created_at":"2026-05-17T23:55:15Z","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 propose alternative methods to measure the global polarization of $\\Lambda$ hyperons. These methods involve event averages of proton's and $\\Lambda$'s momenta in the lab frame. We carry out simulations using these methods and show that all of them work equivalently well in obtaining the global polarization of $\\Lambda$ hyperons.","authors_text":"Irfan Siddique, Michael Annan Lisa, Qun Wang, Zhang-bu Xu, Zuo-Tang Liang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-09-30T01:44:16Z","title":"Alternative methods to measure global polarization of $\\Lambda$ hyperons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00134","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":"sha256:4bca685f9fba62478093e02619a4b3c5020a0e8c2253c5910bd3384ae51b2142","target":"record","created_at":"2026-05-17T23:55:15Z","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":"b9519353ece12cf0b0db8e76bffda55cea25d2887966a6c6ab66c6b67f555560","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-09-30T01:44:16Z","title_canon_sha256":"3431cc0c0c5ffae99a527c68a945325c3b73026afd91869c753d5f629ca0923c"},"schema_version":"1.0","source":{"id":"1710.00134","kind":"arxiv","version":2}},"canonical_sha256":"1ec381d3be12c6d2806e7a2edbfb6b5b8b6f21a1e0cff922097179521e000b96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ec381d3be12c6d2806e7a2edbfb6b5b8b6f21a1e0cff922097179521e000b96","first_computed_at":"2026-05-17T23:55:15.255847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:15.255847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ikao8iBhbaN8E0Eb7k7/dMTNwZFlPScXflgoQOW8RHpQnRdNJ3llXA1wcsXdCYxJ3PxZ7teUqoRfD0dskhViDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:15.256335Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.00134","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bca685f9fba62478093e02619a4b3c5020a0e8c2253c5910bd3384ae51b2142","sha256:ac1323cc54a5ca9a5c659072946d49399f7a085fa39f75b94e40fcb1207b29ff"],"state_sha256":"9a9074ae1e29b29658cf98477b2c4275d2664c2977fdf46c719a6bf580bb8f13"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"99JZcXv/meiakVTpgzIkJSEEJlIa3brKeHt6MYzp83nI4tOsdOeuepFiKmZKgSoTBccz5pqMb1VSnpojzwnKBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:31:34.372038Z","bundle_sha256":"5a6650ddc5f9989324502b6dd33681212a75da5dd3c42286365ce4a92319ce61"}}