{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CWTDX3OKSJ3TA74C4IUTLUJ3U7","short_pith_number":"pith:CWTDX3OK","canonical_record":{"source":{"id":"1803.07978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-03-21T15:59:28Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"906e509c7a04ea92c34eb73b7f4b25e88f382c34fa17e1c8f4d09956dc690c03","abstract_canon_sha256":"258b3c1d2842c513faaca3985b08ca326cf56ab28e7110f462cbc01637a9b3c1"},"schema_version":"1.0"},"canonical_sha256":"15a63bedca9277307f82e22935d13ba7e9288e12cdee992f58ea787c634831fe","source":{"kind":"arxiv","id":"1803.07978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.07978","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"arxiv_version","alias_value":"1803.07978v1","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07978","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"pith_short_12","alias_value":"CWTDX3OKSJ3T","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CWTDX3OKSJ3TA74C","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CWTDX3OK","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CWTDX3OKSJ3TA74C4IUTLUJ3U7","target":"record","payload":{"canonical_record":{"source":{"id":"1803.07978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-03-21T15:59:28Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"906e509c7a04ea92c34eb73b7f4b25e88f382c34fa17e1c8f4d09956dc690c03","abstract_canon_sha256":"258b3c1d2842c513faaca3985b08ca326cf56ab28e7110f462cbc01637a9b3c1"},"schema_version":"1.0"},"canonical_sha256":"15a63bedca9277307f82e22935d13ba7e9288e12cdee992f58ea787c634831fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:28.354968Z","signature_b64":"zpvubm6LJ2mJpOKlKT0+4IfkAurL2OwXJFT99OcYJZfMKPiI1oRFo2SzQnG1UXQ8T3lPczxfbuWrKwWieUPvAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15a63bedca9277307f82e22935d13ba7e9288e12cdee992f58ea787c634831fe","last_reissued_at":"2026-05-18T00:20:28.354487Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:28.354487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.07978","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":"2026-05-18T00:20:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HAyuebmQfXh3PoXH+SpcULGuocKH413Kh2i661/VquiyXyS5jZu6eiWXJLAJYQZoxc1X90dPnJhzGjmCRKR9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:57:05.046062Z"},"content_sha256":"545714c0db175a0cba57c47b58108318e88fcd43ca81ab1411e3f83bfd6ebaee","schema_version":"1.0","event_id":"sha256:545714c0db175a0cba57c47b58108318e88fcd43ca81ab1411e3f83bfd6ebaee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CWTDX3OKSJ3TA74C4IUTLUJ3U7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collective flows of $^{16}$O + $^{16}$O collisions with $\\alpha$-clustering configurations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Chen-Chen Guo, Wan-Bing He, Yu-Gang Ma","submitted_at":"2018-03-21T15:59:28Z","abstract_excerpt":"The main purpose of the present paper is to discuss whether or not the collective flows in heavy-ion collision at Fermi energy can be taken as a tool to investigate the cluster configuration in light nuclei. In practice, within an Extended Quantum Molecular Dynamics model, four $\\alpha$-clustering (linear chain, kite, square, and tetrahedron) configurations of $^{16}$O are employed in the initialization, $^{16}$O+$^{16}$O around Fermi energy (40 - 60 MeV$/$nucleon) with impact parameter 1 - 3 fm are simulated, the directed and elliptic flows are analyzed. It is found that collective flows are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07978","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":"2026-05-18T00:20:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vajaR+SrGWIpaig/pppjCzUM48eBpTqvyETLeIZg/zYgkX2h4jE5p9Z/W2A5a9gDTRjlwXvv5nOs8Twy/RUcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:57:05.046734Z"},"content_sha256":"65eaa5cbd8aa0f5456ed7b1547994ec76308b1800da05854c54ed81cde5b7c1d","schema_version":"1.0","event_id":"sha256:65eaa5cbd8aa0f5456ed7b1547994ec76308b1800da05854c54ed81cde5b7c1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7/bundle.json","state_url":"https://pith.science/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7/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":"2026-05-26T09:57:05Z","links":{"resolver":"https://pith.science/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7","bundle":"https://pith.science/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7/bundle.json","state":"https://pith.science/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CWTDX3OKSJ3TA74C4IUTLUJ3U7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CWTDX3OKSJ3TA74C4IUTLUJ3U7","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":"258b3c1d2842c513faaca3985b08ca326cf56ab28e7110f462cbc01637a9b3c1","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-03-21T15:59:28Z","title_canon_sha256":"906e509c7a04ea92c34eb73b7f4b25e88f382c34fa17e1c8f4d09956dc690c03"},"schema_version":"1.0","source":{"id":"1803.07978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.07978","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"arxiv_version","alias_value":"1803.07978v1","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07978","created_at":"2026-05-18T00:20:28Z"},{"alias_kind":"pith_short_12","alias_value":"CWTDX3OKSJ3T","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CWTDX3OKSJ3TA74C","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CWTDX3OK","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:65eaa5cbd8aa0f5456ed7b1547994ec76308b1800da05854c54ed81cde5b7c1d","target":"graph","created_at":"2026-05-18T00:20:28Z","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":"The main purpose of the present paper is to discuss whether or not the collective flows in heavy-ion collision at Fermi energy can be taken as a tool to investigate the cluster configuration in light nuclei. In practice, within an Extended Quantum Molecular Dynamics model, four $\\alpha$-clustering (linear chain, kite, square, and tetrahedron) configurations of $^{16}$O are employed in the initialization, $^{16}$O+$^{16}$O around Fermi energy (40 - 60 MeV$/$nucleon) with impact parameter 1 - 3 fm are simulated, the directed and elliptic flows are analyzed. It is found that collective flows are ","authors_text":"Chen-Chen Guo, Wan-Bing He, Yu-Gang Ma","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-03-21T15:59:28Z","title":"Collective flows of $^{16}$O + $^{16}$O collisions with $\\alpha$-clustering configurations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07978","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":"sha256:545714c0db175a0cba57c47b58108318e88fcd43ca81ab1411e3f83bfd6ebaee","target":"record","created_at":"2026-05-18T00:20:28Z","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":"258b3c1d2842c513faaca3985b08ca326cf56ab28e7110f462cbc01637a9b3c1","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-03-21T15:59:28Z","title_canon_sha256":"906e509c7a04ea92c34eb73b7f4b25e88f382c34fa17e1c8f4d09956dc690c03"},"schema_version":"1.0","source":{"id":"1803.07978","kind":"arxiv","version":1}},"canonical_sha256":"15a63bedca9277307f82e22935d13ba7e9288e12cdee992f58ea787c634831fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15a63bedca9277307f82e22935d13ba7e9288e12cdee992f58ea787c634831fe","first_computed_at":"2026-05-18T00:20:28.354487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:28.354487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zpvubm6LJ2mJpOKlKT0+4IfkAurL2OwXJFT99OcYJZfMKPiI1oRFo2SzQnG1UXQ8T3lPczxfbuWrKwWieUPvAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:28.354968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.07978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:545714c0db175a0cba57c47b58108318e88fcd43ca81ab1411e3f83bfd6ebaee","sha256:65eaa5cbd8aa0f5456ed7b1547994ec76308b1800da05854c54ed81cde5b7c1d"],"state_sha256":"243c34c58a7f8aeb76e56036e27a84b554a729ff80a1a456017e4720639b3de9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bdkqGsmUmZqRwk1igl6zZ/SMyF4teEeEr4HUagTZC8hg5u7vgXOa6Fc9ZiPvestQInmnQquFnlPcU4l9snLvDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:57:05.050415Z","bundle_sha256":"448b2805b34d2616ffb8827e2c2fd26903b95740679185444d6f8307cd426b45"}}