{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WXDWXRC6WLHZSQOFM3TR4K7XTX","short_pith_number":"pith:WXDWXRC6","canonical_record":{"source":{"id":"2302.11759","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2023-02-23T03:16:30Z","cross_cats_sorted":[],"title_canon_sha256":"505eb0b4e089d2e3512ae39dcba48aeb57cfd9710cfd60ff0fbed8159f89fae4","abstract_canon_sha256":"b9061b3c4df8da2c2cd6732172a60eba4d7abe141f6bd2359d9e02599c8d1172"},"schema_version":"1.0"},"canonical_sha256":"b5c76bc45eb2cf9941c566e71e2bf79dea420ed75fd65d4353f47e3c5a763d13","source":{"kind":"arxiv","id":"2302.11759","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.11759","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"2302.11759v2","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.11759","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"WXDWXRC6WLHZ","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"pith_short_16","alias_value":"WXDWXRC6WLHZSQOF","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"pith_short_8","alias_value":"WXDWXRC6","created_at":"2026-07-05T06:44:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WXDWXRC6WLHZSQOFM3TR4K7XTX","target":"record","payload":{"canonical_record":{"source":{"id":"2302.11759","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2023-02-23T03:16:30Z","cross_cats_sorted":[],"title_canon_sha256":"505eb0b4e089d2e3512ae39dcba48aeb57cfd9710cfd60ff0fbed8159f89fae4","abstract_canon_sha256":"b9061b3c4df8da2c2cd6732172a60eba4d7abe141f6bd2359d9e02599c8d1172"},"schema_version":"1.0"},"canonical_sha256":"b5c76bc45eb2cf9941c566e71e2bf79dea420ed75fd65d4353f47e3c5a763d13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:44:48.076645Z","signature_b64":"AnDreBUBgJTE9VtcKsRXIVgoNKF+dUKfUVBDEFtx9mft2fBujt/hkKOhtaGvrVnVVjFmplhY7eZQpgoRu/CjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5c76bc45eb2cf9941c566e71e2bf79dea420ed75fd65d4353f47e3c5a763d13","last_reissued_at":"2026-07-05T06:44:48.076152Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:44:48.076152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.11759","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":"2026-07-05T06:44:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cLi8mODpIrH1WWZ1W2W5MDfZWAoJlr1NAdvGT8k2iwubDwE+YKitkvCfiIRXZEbnn4nZF4igo2okAKRkcm/eBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T11:10:13.866691Z"},"content_sha256":"e639a58ef30eb3f92307710632138fbe1a4f3351e4912d81e7d58ec8114f81ff","schema_version":"1.0","event_id":"sha256:e639a58ef30eb3f92307710632138fbe1a4f3351e4912d81e7d58ec8114f81ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WXDWXRC6WLHZSQOFM3TR4K7XTX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Event plane determination from Zero Degree Calorimeter at the Cooling-Storage-Ring External-target Experiment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Biao Zhang, Hua Pei, Li-Ke Liu, Nu Xu, Shusu Shi, Yaping Wang","submitted_at":"2023-02-23T03:16:30Z","abstract_excerpt":"The Cooling-Storage-Ring External-target Experiment (CSR-CEE) is a spectrometer to study the nature of nuclear matter created in heavy ion collision at $\\sqrt{s_{NN}} = $ 2.1 - 2.4 GeV, aiming to reveal Quantum Chromodynamics (QCD) phase structure in the high-baryon density region. Collective flow is regarded as an effective probe for studying the properties of the medium in high-energy nuclear collisions. One of the main functions of the Zero-Degree Calorimeter (ZDC), a sub-detector system in CEE, is to determine the reaction-plane in heavy ion collisions, which is crucial for the measurement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.11759","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.11759/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:44:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EOKbjBRQOVSzbQ81la9L6AZq1I8M8mzAn40alOFQEwmxkcqqPJec2IerFjaQ3D8clvFyx6H8NtVplYTIHpCTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T11:10:13.867339Z"},"content_sha256":"85d74b558506f8c6db5d960987f67367b60a74d36d5cabed1ca07e893382856f","schema_version":"1.0","event_id":"sha256:85d74b558506f8c6db5d960987f67367b60a74d36d5cabed1ca07e893382856f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX/bundle.json","state_url":"https://pith.science/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX/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":"2026-08-19T11:10:13Z","links":{"resolver":"https://pith.science/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX","bundle":"https://pith.science/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX/bundle.json","state":"https://pith.science/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WXDWXRC6WLHZSQOFM3TR4K7XTX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WXDWXRC6WLHZSQOFM3TR4K7XTX","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":"b9061b3c4df8da2c2cd6732172a60eba4d7abe141f6bd2359d9e02599c8d1172","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2023-02-23T03:16:30Z","title_canon_sha256":"505eb0b4e089d2e3512ae39dcba48aeb57cfd9710cfd60ff0fbed8159f89fae4"},"schema_version":"1.0","source":{"id":"2302.11759","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.11759","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"2302.11759v2","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.11759","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"WXDWXRC6WLHZ","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"pith_short_16","alias_value":"WXDWXRC6WLHZSQOF","created_at":"2026-07-05T06:44:48Z"},{"alias_kind":"pith_short_8","alias_value":"WXDWXRC6","created_at":"2026-07-05T06:44:48Z"}],"graph_snapshots":[{"event_id":"sha256:85d74b558506f8c6db5d960987f67367b60a74d36d5cabed1ca07e893382856f","target":"graph","created_at":"2026-07-05T06:44:48Z","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/2302.11759/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Cooling-Storage-Ring External-target Experiment (CSR-CEE) is a spectrometer to study the nature of nuclear matter created in heavy ion collision at $\\sqrt{s_{NN}} = $ 2.1 - 2.4 GeV, aiming to reveal Quantum Chromodynamics (QCD) phase structure in the high-baryon density region. Collective flow is regarded as an effective probe for studying the properties of the medium in high-energy nuclear collisions. One of the main functions of the Zero-Degree Calorimeter (ZDC), a sub-detector system in CEE, is to determine the reaction-plane in heavy ion collisions, which is crucial for the measurement","authors_text":"Biao Zhang, Hua Pei, Li-Ke Liu, Nu Xu, Shusu Shi, Yaping Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2023-02-23T03:16:30Z","title":"Event plane determination from Zero Degree Calorimeter at the Cooling-Storage-Ring External-target Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.11759","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:e639a58ef30eb3f92307710632138fbe1a4f3351e4912d81e7d58ec8114f81ff","target":"record","created_at":"2026-07-05T06:44:48Z","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":"b9061b3c4df8da2c2cd6732172a60eba4d7abe141f6bd2359d9e02599c8d1172","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2023-02-23T03:16:30Z","title_canon_sha256":"505eb0b4e089d2e3512ae39dcba48aeb57cfd9710cfd60ff0fbed8159f89fae4"},"schema_version":"1.0","source":{"id":"2302.11759","kind":"arxiv","version":2}},"canonical_sha256":"b5c76bc45eb2cf9941c566e71e2bf79dea420ed75fd65d4353f47e3c5a763d13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5c76bc45eb2cf9941c566e71e2bf79dea420ed75fd65d4353f47e3c5a763d13","first_computed_at":"2026-07-05T06:44:48.076152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:44:48.076152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AnDreBUBgJTE9VtcKsRXIVgoNKF+dUKfUVBDEFtx9mft2fBujt/hkKOhtaGvrVnVVjFmplhY7eZQpgoRu/CjCg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:44:48.076645Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.11759","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e639a58ef30eb3f92307710632138fbe1a4f3351e4912d81e7d58ec8114f81ff","sha256:85d74b558506f8c6db5d960987f67367b60a74d36d5cabed1ca07e893382856f"],"state_sha256":"3439c2440eed411c2dc777c7df1a095844ebdd9a54162dc96a372d271050d15b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v92jkEaf68un4L/RIXuvkkKPFaNYsJSD44ILc603hoIorx3Kk1cTm0TACjYnFBchfzWCo4Oo58bnZWUysS+eDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T11:10:13.873901Z","bundle_sha256":"a88330063a0b4e66cfafd5514a682e4fb79994585691806e88b5acd506901edd"}}