{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:VSHCKMN76RVONAW63XFDN6XYQ7","short_pith_number":"pith:VSHCKMN7","canonical_record":{"source":{"id":"1312.1746","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-12-06T01:10:45Z","cross_cats_sorted":[],"title_canon_sha256":"17545726905f1a5e3e045a98bfbbce96621caa597da4980df79b09d173da9ac3","abstract_canon_sha256":"2ced4bb2f8cd4a50ba9478a9b3edfaeb7f3f644d6ebd8fa6cbe703e3bcc70772"},"schema_version":"1.0"},"canonical_sha256":"ac8e2531bff46ae682deddca36faf887fdfef06491ab44d9c83ec578bb6b0701","source":{"kind":"arxiv","id":"1312.1746","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1746","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1746v3","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1746","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"VSHCKMN76RVO","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VSHCKMN76RVONAW6","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VSHCKMN7","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:VSHCKMN76RVONAW63XFDN6XYQ7","target":"record","payload":{"canonical_record":{"source":{"id":"1312.1746","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-12-06T01:10:45Z","cross_cats_sorted":[],"title_canon_sha256":"17545726905f1a5e3e045a98bfbbce96621caa597da4980df79b09d173da9ac3","abstract_canon_sha256":"2ced4bb2f8cd4a50ba9478a9b3edfaeb7f3f644d6ebd8fa6cbe703e3bcc70772"},"schema_version":"1.0"},"canonical_sha256":"ac8e2531bff46ae682deddca36faf887fdfef06491ab44d9c83ec578bb6b0701","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:58.007798Z","signature_b64":"tUaaWs1awO/9lx8hN7faiJ0Y1621qrtDiFXFqYoiIyfiPjFdQnJVbpCotb1qKwmxaO4bjYxhdmv8UfBGqfFKCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac8e2531bff46ae682deddca36faf887fdfef06491ab44d9c83ec578bb6b0701","last_reissued_at":"2026-05-18T01:45:58.007346Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:58.007346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.1746","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:45:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nseES0nyKSchryBWiSLcqTsuYqFWo1NMCzbB8TYuvrryMZULsjwKbtO6qmiQWtMIugncXldUGnl+q0kRZ4AXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:42:12.241306Z"},"content_sha256":"2584ca1ef73e5bf6df03f1879d1e82a6e46ee170483f2a083b49758d9faf6669","schema_version":"1.0","event_id":"sha256:2584ca1ef73e5bf6df03f1879d1e82a6e46ee170483f2a083b49758d9faf6669"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:VSHCKMN76RVONAW63XFDN6XYQ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear energy density optimization: Shell structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Pastore, D. Davesne, E. Olsen, J. Erler, J. McDonnell, J. Sarich, M. Kortelainen, N. Schunck, P.-G. Reinhard, S.M. Wild, W. Nazarewicz","submitted_at":"2013-12-06T01:10:45Z","abstract_excerpt":"Nuclear density functional theory is the only microscopical theory that can be applied throughout the entire nuclear landscape. Its key ingredient is the energy density functional. In this work, we propose a new parameterization UNEDF2 of the Skyrme energy density functional. The functional optimization is carried out using the POUNDerS optimization algorithm within the framework of the Skyrme Hartree-Fock-Bogoliubov theory. Compared to the previous parameterization UNEDF1, restrictions on the tensor term of the energy density have been lifted, yielding a very general form of the energy densit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1746","kind":"arxiv","version":3},"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":"2026-05-18T01:45:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lIrxcoGQdOE8sZrHMGx7EaCiC7QWAensL7Cq10RF1wb8d/lCUPVAElWVBotdug6yoaCj+9K6nbztH5GSJGPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:42:12.241668Z"},"content_sha256":"e03f6c7b50c168141c32bf9e2035a0aa5bb7590b84f884e1bc0ef2d095a265e6","schema_version":"1.0","event_id":"sha256:e03f6c7b50c168141c32bf9e2035a0aa5bb7590b84f884e1bc0ef2d095a265e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VSHCKMN76RVONAW63XFDN6XYQ7/bundle.json","state_url":"https://pith.science/pith/VSHCKMN76RVONAW63XFDN6XYQ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VSHCKMN76RVONAW63XFDN6XYQ7/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":"2026-05-20T18:42:12Z","links":{"resolver":"https://pith.science/pith/VSHCKMN76RVONAW63XFDN6XYQ7","bundle":"https://pith.science/pith/VSHCKMN76RVONAW63XFDN6XYQ7/bundle.json","state":"https://pith.science/pith/VSHCKMN76RVONAW63XFDN6XYQ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VSHCKMN76RVONAW63XFDN6XYQ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VSHCKMN76RVONAW63XFDN6XYQ7","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":"2ced4bb2f8cd4a50ba9478a9b3edfaeb7f3f644d6ebd8fa6cbe703e3bcc70772","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-12-06T01:10:45Z","title_canon_sha256":"17545726905f1a5e3e045a98bfbbce96621caa597da4980df79b09d173da9ac3"},"schema_version":"1.0","source":{"id":"1312.1746","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1746","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1746v3","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1746","created_at":"2026-05-18T01:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"VSHCKMN76RVO","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VSHCKMN76RVONAW6","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VSHCKMN7","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:e03f6c7b50c168141c32bf9e2035a0aa5bb7590b84f884e1bc0ef2d095a265e6","target":"graph","created_at":"2026-05-18T01:45:58Z","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":"Nuclear density functional theory is the only microscopical theory that can be applied throughout the entire nuclear landscape. Its key ingredient is the energy density functional. In this work, we propose a new parameterization UNEDF2 of the Skyrme energy density functional. The functional optimization is carried out using the POUNDerS optimization algorithm within the framework of the Skyrme Hartree-Fock-Bogoliubov theory. Compared to the previous parameterization UNEDF1, restrictions on the tensor term of the energy density have been lifted, yielding a very general form of the energy densit","authors_text":"A. Pastore, D. Davesne, E. Olsen, J. Erler, J. McDonnell, J. Sarich, M. Kortelainen, N. Schunck, P.-G. Reinhard, S.M. Wild, W. Nazarewicz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-12-06T01:10:45Z","title":"Nuclear energy density optimization: Shell structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1746","kind":"arxiv","version":3},"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":"sha256:2584ca1ef73e5bf6df03f1879d1e82a6e46ee170483f2a083b49758d9faf6669","target":"record","created_at":"2026-05-18T01:45:58Z","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":"2ced4bb2f8cd4a50ba9478a9b3edfaeb7f3f644d6ebd8fa6cbe703e3bcc70772","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-12-06T01:10:45Z","title_canon_sha256":"17545726905f1a5e3e045a98bfbbce96621caa597da4980df79b09d173da9ac3"},"schema_version":"1.0","source":{"id":"1312.1746","kind":"arxiv","version":3}},"canonical_sha256":"ac8e2531bff46ae682deddca36faf887fdfef06491ab44d9c83ec578bb6b0701","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac8e2531bff46ae682deddca36faf887fdfef06491ab44d9c83ec578bb6b0701","first_computed_at":"2026-05-18T01:45:58.007346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:58.007346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tUaaWs1awO/9lx8hN7faiJ0Y1621qrtDiFXFqYoiIyfiPjFdQnJVbpCotb1qKwmxaO4bjYxhdmv8UfBGqfFKCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:58.007798Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.1746","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2584ca1ef73e5bf6df03f1879d1e82a6e46ee170483f2a083b49758d9faf6669","sha256:e03f6c7b50c168141c32bf9e2035a0aa5bb7590b84f884e1bc0ef2d095a265e6"],"state_sha256":"bba927a008998fb9f59339c12de40db0f0ed6284c33e621ea6b311283d5d80ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zrjprjSayx/4n9Tz/OdiAA/ppfsu8aSVquysAD0KxYjKK7xMHP3kmrRmXJNjxyHQ8ks8OfXpDdPz62R6PKR1Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T18:42:12.243803Z","bundle_sha256":"f435560b97667a05ef22e363c16fa6b14bcb6b1e015921dd2767769b19cecfc4"}}