{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:APVWQY2NX7WH4PVNKOGVBJLRMH","short_pith_number":"pith:APVWQY2N","canonical_record":{"source":{"id":"1804.05564","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-16T09:12:42Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"fedf6f1ebce5c46c025091ba1f0687988c2a9217ad0b6796a23871119da3bf35","abstract_canon_sha256":"9442b8eaf770e765d1f9da44c1792ed55db897cd686b21293dabd8e15249180e"},"schema_version":"1.0"},"canonical_sha256":"03eb68634dbfec7e3ead538d50a57161e6d1bfed5bab1e8300739d13e43bd9e4","source":{"kind":"arxiv","id":"1804.05564","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05564","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05564v1","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05564","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"pith_short_12","alias_value":"APVWQY2NX7WH","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"APVWQY2NX7WH4PVN","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"APVWQY2N","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:APVWQY2NX7WH4PVNKOGVBJLRMH","target":"record","payload":{"canonical_record":{"source":{"id":"1804.05564","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-16T09:12:42Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"fedf6f1ebce5c46c025091ba1f0687988c2a9217ad0b6796a23871119da3bf35","abstract_canon_sha256":"9442b8eaf770e765d1f9da44c1792ed55db897cd686b21293dabd8e15249180e"},"schema_version":"1.0"},"canonical_sha256":"03eb68634dbfec7e3ead538d50a57161e6d1bfed5bab1e8300739d13e43bd9e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:27.817125Z","signature_b64":"cebZKrzFc4RP3dVCiECZp4DYN5SIU4QtVnin7vtpPBU9I22k6ak+qaQc1ddcyd8qEdQTkze/xL7ERyMLpVw5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03eb68634dbfec7e3ead538d50a57161e6d1bfed5bab1e8300739d13e43bd9e4","last_reissued_at":"2026-05-18T00:18:27.816775Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:27.816775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.05564","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":"2026-05-18T00:18:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z5h4CqYtQQzM1S7mQQXxDrTNvWqXWqoDS5lF/DYAdYLgvPwL/6ArpTEUTBFvJuU+7/74g7XW6pR08xlC4un7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:25:06.458407Z"},"content_sha256":"1f6596a20a69e2a477850987f4b38f3f971f9584afaabc36ef0646d1c131b333","schema_version":"1.0","event_id":"sha256:1f6596a20a69e2a477850987f4b38f3f971f9584afaabc36ef0646d1c131b333"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:APVWQY2NX7WH4PVNKOGVBJLRMH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulation study of elliptic flow of charged hadrons produced in Au + Au collisions at the Facility for Antiproton and Ion Research","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Amitabha Mukhopadhyay, Provash Mali, Soumya Sarkar","submitted_at":"2018-04-16T09:12:42Z","abstract_excerpt":"Centrality and system geometry dependence of azimuthal anisotropy of charged hadrons measured in terms of the elliptic flow parameter are investigated using Au+Au event samples at incident beam energy $20$A GeV and $40$A GeV generated by Ultrarelativistic Quantum Molecular Dynamics and A Multiphase Transport models. The Monte Carlo Glauber model is employed to estimate the eccentricity of the overlapping zone at an early stage of the collisions. Anisotropies present both in the particle multiplicity distribution and in the kinetic radial expansion are examined by using standard statistical and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05564","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":"2026-05-18T00:18:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0gsE5a6NZ8DuC5VDCQN1QDNMA8HTblMG8ACmm2lyaIL3rt51+pdbB0ogMLZC34u6zSFD4PT8664+JyX4lwp0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:25:06.458775Z"},"content_sha256":"4559b45eb44f029b36a981d90c577d150ff54aeddab49dae75e41686e2c0c3f9","schema_version":"1.0","event_id":"sha256:4559b45eb44f029b36a981d90c577d150ff54aeddab49dae75e41686e2c0c3f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/APVWQY2NX7WH4PVNKOGVBJLRMH/bundle.json","state_url":"https://pith.science/pith/APVWQY2NX7WH4PVNKOGVBJLRMH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/APVWQY2NX7WH4PVNKOGVBJLRMH/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":"2026-06-12T10:25:06Z","links":{"resolver":"https://pith.science/pith/APVWQY2NX7WH4PVNKOGVBJLRMH","bundle":"https://pith.science/pith/APVWQY2NX7WH4PVNKOGVBJLRMH/bundle.json","state":"https://pith.science/pith/APVWQY2NX7WH4PVNKOGVBJLRMH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/APVWQY2NX7WH4PVNKOGVBJLRMH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:APVWQY2NX7WH4PVNKOGVBJLRMH","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":"9442b8eaf770e765d1f9da44c1792ed55db897cd686b21293dabd8e15249180e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-16T09:12:42Z","title_canon_sha256":"fedf6f1ebce5c46c025091ba1f0687988c2a9217ad0b6796a23871119da3bf35"},"schema_version":"1.0","source":{"id":"1804.05564","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05564","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05564v1","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05564","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"pith_short_12","alias_value":"APVWQY2NX7WH","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"APVWQY2NX7WH4PVN","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"APVWQY2N","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:4559b45eb44f029b36a981d90c577d150ff54aeddab49dae75e41686e2c0c3f9","target":"graph","created_at":"2026-05-18T00:18:27Z","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":"Centrality and system geometry dependence of azimuthal anisotropy of charged hadrons measured in terms of the elliptic flow parameter are investigated using Au+Au event samples at incident beam energy $20$A GeV and $40$A GeV generated by Ultrarelativistic Quantum Molecular Dynamics and A Multiphase Transport models. The Monte Carlo Glauber model is employed to estimate the eccentricity of the overlapping zone at an early stage of the collisions. Anisotropies present both in the particle multiplicity distribution and in the kinetic radial expansion are examined by using standard statistical and","authors_text":"Amitabha Mukhopadhyay, Provash Mali, Soumya Sarkar","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-16T09:12:42Z","title":"Simulation study of elliptic flow of charged hadrons produced in Au + Au collisions at the Facility for Antiproton and Ion Research"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05564","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":"sha256:1f6596a20a69e2a477850987f4b38f3f971f9584afaabc36ef0646d1c131b333","target":"record","created_at":"2026-05-18T00:18:27Z","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":"9442b8eaf770e765d1f9da44c1792ed55db897cd686b21293dabd8e15249180e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-16T09:12:42Z","title_canon_sha256":"fedf6f1ebce5c46c025091ba1f0687988c2a9217ad0b6796a23871119da3bf35"},"schema_version":"1.0","source":{"id":"1804.05564","kind":"arxiv","version":1}},"canonical_sha256":"03eb68634dbfec7e3ead538d50a57161e6d1bfed5bab1e8300739d13e43bd9e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03eb68634dbfec7e3ead538d50a57161e6d1bfed5bab1e8300739d13e43bd9e4","first_computed_at":"2026-05-18T00:18:27.816775Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:27.816775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cebZKrzFc4RP3dVCiECZp4DYN5SIU4QtVnin7vtpPBU9I22k6ak+qaQc1ddcyd8qEdQTkze/xL7ERyMLpVw5CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:27.817125Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.05564","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f6596a20a69e2a477850987f4b38f3f971f9584afaabc36ef0646d1c131b333","sha256:4559b45eb44f029b36a981d90c577d150ff54aeddab49dae75e41686e2c0c3f9"],"state_sha256":"927e8798ca3bd37706236089e9f3b69c1c7d0ade39ea24c9f41ce7f54b0288b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"41xYz5SsYs4wFTADgU5tKsH9dh7I57dQb6QKRBbokBzyEwL8cRqGVvJI3Jrlu6M92ExeF6l3q++Eh66oZgsKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T10:25:06.460660Z","bundle_sha256":"37fc599c1dd0aab593e258f49a788559ab3abf60d6acf90058f812e010d999a1"}}