{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:QXQY72C3ZUYMQ6RKOBJZ4NWSLP","short_pith_number":"pith:QXQY72C3","canonical_record":{"source":{"id":"1604.05685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-04-19T18:26:53Z","cross_cats_sorted":[],"title_canon_sha256":"2ff47555aba8e7bf1a49a6f77197d1fcd7cd1275a2157327bdb0f49ae8b9eb2f","abstract_canon_sha256":"476265090f6691ffc796701504432217a0f3da5cf229bea9473f0cde14be2082"},"schema_version":"1.0"},"canonical_sha256":"85e18fe85bcd30c87a2a70539e36d25bf277caaaca46e1be7a1efd25926c2ea3","source":{"kind":"arxiv","id":"1604.05685","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05685","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05685v1","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05685","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"pith_short_12","alias_value":"QXQY72C3ZUYM","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"QXQY72C3ZUYMQ6RK","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"QXQY72C3","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:QXQY72C3ZUYMQ6RKOBJZ4NWSLP","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-04-19T18:26:53Z","cross_cats_sorted":[],"title_canon_sha256":"2ff47555aba8e7bf1a49a6f77197d1fcd7cd1275a2157327bdb0f49ae8b9eb2f","abstract_canon_sha256":"476265090f6691ffc796701504432217a0f3da5cf229bea9473f0cde14be2082"},"schema_version":"1.0"},"canonical_sha256":"85e18fe85bcd30c87a2a70539e36d25bf277caaaca46e1be7a1efd25926c2ea3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:37.994912Z","signature_b64":"SkPZHPO4O3iITypCHzjQv7PdZQeIJhN89WuGf6CcthbHfv5+s/xYRwzxrL2ly3oZzn3I+BnsBcYlksINmjWcAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85e18fe85bcd30c87a2a70539e36d25bf277caaaca46e1be7a1efd25926c2ea3","last_reissued_at":"2026-05-18T01:16:37.994153Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:37.994153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05685","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":"2026-05-18T01:16:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IcSm18gHpYR1TXQXF7RR6QTw9mPPcfjSbDO8y1BOb73hSifODDTsHIMysSCEYcEY84Bj92OluGBJ5q9pnmYkDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T10:16:03.170427Z"},"content_sha256":"7070a8ce5f38e89c49777a460e2f8bdd59e5a6fbf1544d5f109d585ab23ec8c5","schema_version":"1.0","event_id":"sha256:7070a8ce5f38e89c49777a460e2f8bdd59e5a6fbf1544d5f109d585ab23ec8c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:QXQY72C3ZUYMQ6RKOBJZ4NWSLP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structure models: from shell model to ab initio methods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Sonia Bacca","submitted_at":"2016-04-19T18:26:53Z","abstract_excerpt":"A brief review of models to describe nuclear structure and reactions properties is presented, starting from the historical shell model picture and encompassing modern ab initio approaches. A selection of recent theoretical results on observables for exotic light and medium-mass nuclei is shown. Emphasis is given to the comparison with experiment and to what can be learned about three-body forces and continuum properties."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05685","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":"2026-05-18T01:16:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1a1IaRw0XJsN1v/ywaljrDK5YbTdTIP/saHMNiNaY/EUtG/s/TN9yJtwTJU9lw9sAC6j92EQMVhtdUPStDDJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T10:16:03.171058Z"},"content_sha256":"a69c162f12766fa2167854e07c190e5ec1c146e1cb410136568d76253d67be43","schema_version":"1.0","event_id":"sha256:a69c162f12766fa2167854e07c190e5ec1c146e1cb410136568d76253d67be43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP/bundle.json","state_url":"https://pith.science/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP/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":"2026-06-10T10:16:03Z","links":{"resolver":"https://pith.science/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP","bundle":"https://pith.science/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP/bundle.json","state":"https://pith.science/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QXQY72C3ZUYMQ6RKOBJZ4NWSLP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:QXQY72C3ZUYMQ6RKOBJZ4NWSLP","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":"476265090f6691ffc796701504432217a0f3da5cf229bea9473f0cde14be2082","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-04-19T18:26:53Z","title_canon_sha256":"2ff47555aba8e7bf1a49a6f77197d1fcd7cd1275a2157327bdb0f49ae8b9eb2f"},"schema_version":"1.0","source":{"id":"1604.05685","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05685","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05685v1","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05685","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"pith_short_12","alias_value":"QXQY72C3ZUYM","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"QXQY72C3ZUYMQ6RK","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"QXQY72C3","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:a69c162f12766fa2167854e07c190e5ec1c146e1cb410136568d76253d67be43","target":"graph","created_at":"2026-05-18T01:16:37Z","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":"A brief review of models to describe nuclear structure and reactions properties is presented, starting from the historical shell model picture and encompassing modern ab initio approaches. A selection of recent theoretical results on observables for exotic light and medium-mass nuclei is shown. Emphasis is given to the comparison with experiment and to what can be learned about three-body forces and continuum properties.","authors_text":"Sonia Bacca","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-04-19T18:26:53Z","title":"Structure models: from shell model to ab initio methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05685","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":"sha256:7070a8ce5f38e89c49777a460e2f8bdd59e5a6fbf1544d5f109d585ab23ec8c5","target":"record","created_at":"2026-05-18T01:16:37Z","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":"476265090f6691ffc796701504432217a0f3da5cf229bea9473f0cde14be2082","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-04-19T18:26:53Z","title_canon_sha256":"2ff47555aba8e7bf1a49a6f77197d1fcd7cd1275a2157327bdb0f49ae8b9eb2f"},"schema_version":"1.0","source":{"id":"1604.05685","kind":"arxiv","version":1}},"canonical_sha256":"85e18fe85bcd30c87a2a70539e36d25bf277caaaca46e1be7a1efd25926c2ea3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85e18fe85bcd30c87a2a70539e36d25bf277caaaca46e1be7a1efd25926c2ea3","first_computed_at":"2026-05-18T01:16:37.994153Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:37.994153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SkPZHPO4O3iITypCHzjQv7PdZQeIJhN89WuGf6CcthbHfv5+s/xYRwzxrL2ly3oZzn3I+BnsBcYlksINmjWcAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:37.994912Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05685","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7070a8ce5f38e89c49777a460e2f8bdd59e5a6fbf1544d5f109d585ab23ec8c5","sha256:a69c162f12766fa2167854e07c190e5ec1c146e1cb410136568d76253d67be43"],"state_sha256":"e7ceebe4cef24339162b9359ea3a967a9886912dc27b0a863ff6198cc6384dea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7HajAvtzCCL8MTM7FCPfh5yukbBFFXWmcPbgj2XX+cGo/cOeeurfxXroGiY9pZosj6hTiBXd/tebd2TcXWOyBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T10:16:03.174384Z","bundle_sha256":"90ebb9842c52ddc3e9fa8e873d9b76236e6ae997614376da93446f51b20f0046"}}