{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CMMFBHH6B7JAD23XQ5Y5PXAFUE","short_pith_number":"pith:CMMFBHH6","canonical_record":{"source":{"id":"1904.02945","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-04-05T09:10:00Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"a3c8d25fdbfd2e9c00dba8751337cd145c6bb24481bfa96f92d3f66441569ace","abstract_canon_sha256":"66c15f5d4aa3e50aa97ed45ba90af6b6dc673f1d106c1babc24070633dd31438"},"schema_version":"1.0"},"canonical_sha256":"1318509cfe0fd201eb778771d7dc05a10a7a34d11a542221d17421133f6c90e6","source":{"kind":"arxiv","id":"1904.02945","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.02945","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"arxiv_version","alias_value":"1904.02945v2","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.02945","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"pith_short_12","alias_value":"CMMFBHH6B7JA","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"pith_short_16","alias_value":"CMMFBHH6B7JAD23X","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"pith_short_8","alias_value":"CMMFBHH6","created_at":"2026-07-04T23:59:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CMMFBHH6B7JAD23XQ5Y5PXAFUE","target":"record","payload":{"canonical_record":{"source":{"id":"1904.02945","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-04-05T09:10:00Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"a3c8d25fdbfd2e9c00dba8751337cd145c6bb24481bfa96f92d3f66441569ace","abstract_canon_sha256":"66c15f5d4aa3e50aa97ed45ba90af6b6dc673f1d106c1babc24070633dd31438"},"schema_version":"1.0"},"canonical_sha256":"1318509cfe0fd201eb778771d7dc05a10a7a34d11a542221d17421133f6c90e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:59:22.451882Z","signature_b64":"DQidVDXpJwsVn3yH/aGAOeveDQOAQu/7ZiwzNuwLoLNSkKEDVCOzlFHAwRUexaKlqCPNR+rFWyyB/IPnzOvjCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1318509cfe0fd201eb778771d7dc05a10a7a34d11a542221d17421133f6c90e6","last_reissued_at":"2026-07-04T23:59:22.451526Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:59:22.451526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.02945","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":"2026-07-04T23:59:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BrIM7KlijXer6m/drHrMYlfLV3Rj0z2FX/CGMuZNw0E1hvpjl2rsma0Y3xx7OgwI46UW6boNiSmOKR5M7YYJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T20:05:05.997694Z"},"content_sha256":"e923ffe47ff8a244e6415f99e9f9e2ba382b74de7276d01af5a115425e01cb0f","schema_version":"1.0","event_id":"sha256:e923ffe47ff8a244e6415f99e9f9e2ba382b74de7276d01af5a115425e01cb0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CMMFBHH6B7JAD23XQ5Y5PXAFUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Density-constraint Time-dependent Hartree-Fock-Bogoliubov method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"G. Scamps, Y. Hashimoto","submitted_at":"2019-04-05T09:10:00Z","abstract_excerpt":"Background: The Density-constraint Time-dependent Hartree-Fock method is currently the tool of choice to predict fusion cross-sections. However, it does not include pairing correlations, which have been found recently to play an important role. Purpose: To describe the fusion cross-section with a method that includes the superfluidity and to understand the impact of pairing on both the fusion barrier and cross-section. Method: The density-constraint method is tested first on the following reactions without pairing, $^{16}$O+$^{16}$O and $^{40}$Ca+$^{40}$Ca. A new method is developed, the Densi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.02945","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/1904.02945/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":"2026-07-04T23:59:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F1wqpCBDnDphQJ7obOIa5GyJMuLMS0dmCLTsC9TNnzI1XpDp+oOdrNI7J375HK0+1N26c/n5ESRCdA+MGlxABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T20:05:05.997991Z"},"content_sha256":"b3f70a43605c23673cb6ca7124d27c6bc8fc7f22d9385ce648944927337d7070","schema_version":"1.0","event_id":"sha256:b3f70a43605c23673cb6ca7124d27c6bc8fc7f22d9385ce648944927337d7070"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE/bundle.json","state_url":"https://pith.science/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE/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":"2026-08-01T20:05:05Z","links":{"resolver":"https://pith.science/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE","bundle":"https://pith.science/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE/bundle.json","state":"https://pith.science/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CMMFBHH6B7JAD23XQ5Y5PXAFUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CMMFBHH6B7JAD23XQ5Y5PXAFUE","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":"66c15f5d4aa3e50aa97ed45ba90af6b6dc673f1d106c1babc24070633dd31438","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-04-05T09:10:00Z","title_canon_sha256":"a3c8d25fdbfd2e9c00dba8751337cd145c6bb24481bfa96f92d3f66441569ace"},"schema_version":"1.0","source":{"id":"1904.02945","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.02945","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"arxiv_version","alias_value":"1904.02945v2","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.02945","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"pith_short_12","alias_value":"CMMFBHH6B7JA","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"pith_short_16","alias_value":"CMMFBHH6B7JAD23X","created_at":"2026-07-04T23:59:22Z"},{"alias_kind":"pith_short_8","alias_value":"CMMFBHH6","created_at":"2026-07-04T23:59:22Z"}],"graph_snapshots":[{"event_id":"sha256:b3f70a43605c23673cb6ca7124d27c6bc8fc7f22d9385ce648944927337d7070","target":"graph","created_at":"2026-07-04T23:59:22Z","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/1904.02945/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Background: The Density-constraint Time-dependent Hartree-Fock method is currently the tool of choice to predict fusion cross-sections. However, it does not include pairing correlations, which have been found recently to play an important role. Purpose: To describe the fusion cross-section with a method that includes the superfluidity and to understand the impact of pairing on both the fusion barrier and cross-section. Method: The density-constraint method is tested first on the following reactions without pairing, $^{16}$O+$^{16}$O and $^{40}$Ca+$^{40}$Ca. A new method is developed, the Densi","authors_text":"G. Scamps, Y. Hashimoto","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-04-05T09:10:00Z","title":"Density-constraint Time-dependent Hartree-Fock-Bogoliubov method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.02945","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:e923ffe47ff8a244e6415f99e9f9e2ba382b74de7276d01af5a115425e01cb0f","target":"record","created_at":"2026-07-04T23:59:22Z","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":"66c15f5d4aa3e50aa97ed45ba90af6b6dc673f1d106c1babc24070633dd31438","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-04-05T09:10:00Z","title_canon_sha256":"a3c8d25fdbfd2e9c00dba8751337cd145c6bb24481bfa96f92d3f66441569ace"},"schema_version":"1.0","source":{"id":"1904.02945","kind":"arxiv","version":2}},"canonical_sha256":"1318509cfe0fd201eb778771d7dc05a10a7a34d11a542221d17421133f6c90e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1318509cfe0fd201eb778771d7dc05a10a7a34d11a542221d17421133f6c90e6","first_computed_at":"2026-07-04T23:59:22.451526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:59:22.451526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DQidVDXpJwsVn3yH/aGAOeveDQOAQu/7ZiwzNuwLoLNSkKEDVCOzlFHAwRUexaKlqCPNR+rFWyyB/IPnzOvjCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:59:22.451882Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.02945","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e923ffe47ff8a244e6415f99e9f9e2ba382b74de7276d01af5a115425e01cb0f","sha256:b3f70a43605c23673cb6ca7124d27c6bc8fc7f22d9385ce648944927337d7070"],"state_sha256":"ddbda4b6802466db659a7f4fba8686439bd6440c2abd4d60a631ebcaed43cf60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RNmZytbiy98ohV8utG81ggphYPS1271OnA9JD3WW0UGzhcGnlC8PGfO0iK0HKHG0zyRu7THeH02RxEvQEjguCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T20:05:06.000350Z","bundle_sha256":"eceaaf2a09c04d979bb24f5f1f5a10142f223e14c0937234c44c638142dfa6ec"}}