{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TNRJRYT5Y5C2ABTOHWHUTHTPK2","short_pith_number":"pith:TNRJRYT5","canonical_record":{"source":{"id":"1811.00322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-11-01T11:38:12Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"ed112e0c3e3546b5760669b84ab6eece19f041b060a81ca9df0e0951e3a39224","abstract_canon_sha256":"b61c42cce6d9dc6ddfe9ccff50e342c7cb779211052106d8cf692d152a554d36"},"schema_version":"1.0"},"canonical_sha256":"9b6298e27dc745a0066e3d8f499e6f56a91cd992b02e2f3a18dd1aeb0d44b4f0","source":{"kind":"arxiv","id":"1811.00322","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.00322","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"arxiv_version","alias_value":"1811.00322v1","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.00322","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"pith_short_12","alias_value":"TNRJRYT5Y5C2","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TNRJRYT5Y5C2ABTO","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TNRJRYT5","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TNRJRYT5Y5C2ABTOHWHUTHTPK2","target":"record","payload":{"canonical_record":{"source":{"id":"1811.00322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-11-01T11:38:12Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"ed112e0c3e3546b5760669b84ab6eece19f041b060a81ca9df0e0951e3a39224","abstract_canon_sha256":"b61c42cce6d9dc6ddfe9ccff50e342c7cb779211052106d8cf692d152a554d36"},"schema_version":"1.0"},"canonical_sha256":"9b6298e27dc745a0066e3d8f499e6f56a91cd992b02e2f3a18dd1aeb0d44b4f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:54.317831Z","signature_b64":"PSvCjBJWKTPHYVuwYHKqbzwKmAxfzTk1CqmNDA4RSNPtHe6Wennu7uuc3914/vNKlr71qCWrvQWcJ4JltnHBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b6298e27dc745a0066e3d8f499e6f56a91cd992b02e2f3a18dd1aeb0d44b4f0","last_reissued_at":"2026-05-17T23:55:54.317199Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:54.317199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.00322","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:55:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MjjNUCxHsS51Epyt4uQNfqj6C8olxo5q0YLuslNAAP8Vxf2B5E87a+i3XrLV4cnKZgoYepw25m29vpd0k2RCCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T09:08:43.124006Z"},"content_sha256":"afbbf401316d2a27d6f00628cd2fd81955a0597939a9c80031f5ebcdca1aa1a9","schema_version":"1.0","event_id":"sha256:afbbf401316d2a27d6f00628cd2fd81955a0597939a9c80031f5ebcdca1aa1a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TNRJRYT5Y5C2ABTOHWHUTHTPK2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lambda polarization in heavy ion collisions: from RHIC BES to LHC energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Francesco Becattini, Iurii Karpenko","submitted_at":"2018-11-01T11:38:12Z","abstract_excerpt":"STAR collaboration at RHIC has recently measured the polarization of $\\Lambda$ hyperons in non-central heavy ion collisions in the RHIC Beam Energy Scan (BES) program. The magnitude of the polarization was found to decrease from few percents at the lowest BES energies to $\\approx0.2$% at the top RHIC energy. The polarization signal has been reproduced in different hydrodynamic calculations assuming a thermodynamic spin-vorticity coupling mechanism at the Cooper-Frye hypersurface.\n  In this work an extension of our existing calculations of the $\\Lambda$ polarization in the RHIC BES program to t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.00322","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":""},"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":"2026-05-17T23:55:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uQumIM9cyZsryPm2a6oETIMxWN2BuSh6iG3I66dL2i3bqspk6/1bTZZih3rDhnwyPayUlzxkv+Fw7Bxd8c0NBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T09:08:43.124775Z"},"content_sha256":"272c6a22480c659f389ebd4f77774bbaf1c98e6ab3781231ac28010b35ea9c29","schema_version":"1.0","event_id":"sha256:272c6a22480c659f389ebd4f77774bbaf1c98e6ab3781231ac28010b35ea9c29"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2/bundle.json","state_url":"https://pith.science/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2/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":"2026-06-09T09:08:43Z","links":{"resolver":"https://pith.science/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2","bundle":"https://pith.science/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2/bundle.json","state":"https://pith.science/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNRJRYT5Y5C2ABTOHWHUTHTPK2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TNRJRYT5Y5C2ABTOHWHUTHTPK2","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":"b61c42cce6d9dc6ddfe9ccff50e342c7cb779211052106d8cf692d152a554d36","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-11-01T11:38:12Z","title_canon_sha256":"ed112e0c3e3546b5760669b84ab6eece19f041b060a81ca9df0e0951e3a39224"},"schema_version":"1.0","source":{"id":"1811.00322","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.00322","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"arxiv_version","alias_value":"1811.00322v1","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.00322","created_at":"2026-05-17T23:55:54Z"},{"alias_kind":"pith_short_12","alias_value":"TNRJRYT5Y5C2","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TNRJRYT5Y5C2ABTO","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TNRJRYT5","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:272c6a22480c659f389ebd4f77774bbaf1c98e6ab3781231ac28010b35ea9c29","target":"graph","created_at":"2026-05-17T23:55:54Z","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":"STAR collaboration at RHIC has recently measured the polarization of $\\Lambda$ hyperons in non-central heavy ion collisions in the RHIC Beam Energy Scan (BES) program. The magnitude of the polarization was found to decrease from few percents at the lowest BES energies to $\\approx0.2$% at the top RHIC energy. The polarization signal has been reproduced in different hydrodynamic calculations assuming a thermodynamic spin-vorticity coupling mechanism at the Cooper-Frye hypersurface.\n  In this work an extension of our existing calculations of the $\\Lambda$ polarization in the RHIC BES program to t","authors_text":"Francesco Becattini, Iurii Karpenko","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-11-01T11:38:12Z","title":"Lambda polarization in heavy ion collisions: from RHIC BES to LHC energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.00322","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:afbbf401316d2a27d6f00628cd2fd81955a0597939a9c80031f5ebcdca1aa1a9","target":"record","created_at":"2026-05-17T23:55:54Z","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":"b61c42cce6d9dc6ddfe9ccff50e342c7cb779211052106d8cf692d152a554d36","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-11-01T11:38:12Z","title_canon_sha256":"ed112e0c3e3546b5760669b84ab6eece19f041b060a81ca9df0e0951e3a39224"},"schema_version":"1.0","source":{"id":"1811.00322","kind":"arxiv","version":1}},"canonical_sha256":"9b6298e27dc745a0066e3d8f499e6f56a91cd992b02e2f3a18dd1aeb0d44b4f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b6298e27dc745a0066e3d8f499e6f56a91cd992b02e2f3a18dd1aeb0d44b4f0","first_computed_at":"2026-05-17T23:55:54.317199Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:54.317199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PSvCjBJWKTPHYVuwYHKqbzwKmAxfzTk1CqmNDA4RSNPtHe6Wennu7uuc3914/vNKlr71qCWrvQWcJ4JltnHBBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:54.317831Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.00322","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:afbbf401316d2a27d6f00628cd2fd81955a0597939a9c80031f5ebcdca1aa1a9","sha256:272c6a22480c659f389ebd4f77774bbaf1c98e6ab3781231ac28010b35ea9c29"],"state_sha256":"d6e0ac95d63025a48bd5ee6a1dd164a8fce7b6e3f6e1932209e5547242a1356a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KnABtZLJ5ySnka+3qy3eKfdt3OJY8n+t/XdIZ2KQT0M7L9DSqif/8ybwp94eARuyMkQJratH/0v9u62tYEmAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T09:08:43.128896Z","bundle_sha256":"63a2d9069cf7de479ade2cd1ab191f91fd7a485b8f9b45104d54872b172559fc"}}