{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ERFHTMPIT4EBJQXNI2XBCAIJOX","short_pith_number":"pith:ERFHTMPI","canonical_record":{"source":{"id":"1009.0624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-09-03T10:11:26Z","cross_cats_sorted":[],"title_canon_sha256":"04d1f46282009a7fb147e36ca63a49ec992770a7ce870d9b2da689b9034c241b","abstract_canon_sha256":"f362ebff76a30a4d7614bb6a851226bf92c121dafb356663b70da0fc13588a5f"},"schema_version":"1.0"},"canonical_sha256":"244a79b1e89f0814c2ed46ae11010975ebf02446eade879bb40e33f6242e1917","source":{"kind":"arxiv","id":"1009.0624","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.0624","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"1009.0624v1","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.0624","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"ERFHTMPIT4EB","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"ERFHTMPIT4EBJQXN","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"ERFHTMPI","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ERFHTMPIT4EBJQXNI2XBCAIJOX","target":"record","payload":{"canonical_record":{"source":{"id":"1009.0624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-09-03T10:11:26Z","cross_cats_sorted":[],"title_canon_sha256":"04d1f46282009a7fb147e36ca63a49ec992770a7ce870d9b2da689b9034c241b","abstract_canon_sha256":"f362ebff76a30a4d7614bb6a851226bf92c121dafb356663b70da0fc13588a5f"},"schema_version":"1.0"},"canonical_sha256":"244a79b1e89f0814c2ed46ae11010975ebf02446eade879bb40e33f6242e1917","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:39.451805Z","signature_b64":"HifJxVEHXfyQ6Nwd3MU3al4Z2t81kx5tdAJroLFrRwldWhP2WijWHI3RrllFbExeQqG9BZqjzzf+TIBDd/N1DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"244a79b1e89f0814c2ed46ae11010975ebf02446eade879bb40e33f6242e1917","last_reissued_at":"2026-05-18T04:38:39.451054Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:39.451054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.0624","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":"2026-05-18T04:38:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SxKVmYMSykf93fAKwPoa7l0WA+vO/P+03czeDBXFsbSpydPMs5IA4BW1hDk85Cq6PlEC+2ZWDcyS+qlC3KcZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T00:44:02.066501Z"},"content_sha256":"0f29313beff497213984065a7478e6b7e5951da232a0b8b1febcde64e93aa30c","schema_version":"1.0","event_id":"sha256:0f29313beff497213984065a7478e6b7e5951da232a0b8b1febcde64e93aa30c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ERFHTMPIT4EBJQXNI2XBCAIJOX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploration of a modified density dependence in the Skyrme functional","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"J. Erler, P.-G. Reinhard, P. Kl\\\"upfel","submitted_at":"2010-09-03T10:11:26Z","abstract_excerpt":"A variant of the basic Skyrme-Hartree-Fock (SHF) functional is considered dealing with a new form of density dependence. It employs only integer powers and thus will allow a more sound basis for projection schemes (particle number, angular momentum). We optimize the new functional with exactly the same adjustment strategy as used in an earlier study with a standard Skyrme functional. This allows direct comparisons of the performance of the new functional relative to the standard one. We discuss various observables: bulk properties of finite nuclei, nuclear matter, giant resonances, super-heavy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.0624","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":"2026-05-18T04:38:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wowq75bZGJ8ytdZiPxF04clAgBCDxakTGt60v3t5fmjyZABJ9DWvU00cLic1oCBeuby1+6xA/+kRA34FcZIdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T00:44:02.066893Z"},"content_sha256":"75f91e611ed9bbb5f7e8794c2f8b6b26fb977c66db8fb35f632adbf36de93261","schema_version":"1.0","event_id":"sha256:75f91e611ed9bbb5f7e8794c2f8b6b26fb977c66db8fb35f632adbf36de93261"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX/bundle.json","state_url":"https://pith.science/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX/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":"2026-06-10T00:44:02Z","links":{"resolver":"https://pith.science/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX","bundle":"https://pith.science/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX/bundle.json","state":"https://pith.science/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ERFHTMPIT4EBJQXNI2XBCAIJOX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ERFHTMPIT4EBJQXNI2XBCAIJOX","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":"f362ebff76a30a4d7614bb6a851226bf92c121dafb356663b70da0fc13588a5f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-09-03T10:11:26Z","title_canon_sha256":"04d1f46282009a7fb147e36ca63a49ec992770a7ce870d9b2da689b9034c241b"},"schema_version":"1.0","source":{"id":"1009.0624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.0624","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"1009.0624v1","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.0624","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"ERFHTMPIT4EB","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"ERFHTMPIT4EBJQXN","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"ERFHTMPI","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:75f91e611ed9bbb5f7e8794c2f8b6b26fb977c66db8fb35f632adbf36de93261","target":"graph","created_at":"2026-05-18T04:38:39Z","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 variant of the basic Skyrme-Hartree-Fock (SHF) functional is considered dealing with a new form of density dependence. It employs only integer powers and thus will allow a more sound basis for projection schemes (particle number, angular momentum). We optimize the new functional with exactly the same adjustment strategy as used in an earlier study with a standard Skyrme functional. This allows direct comparisons of the performance of the new functional relative to the standard one. We discuss various observables: bulk properties of finite nuclei, nuclear matter, giant resonances, super-heavy","authors_text":"J. Erler, P.-G. Reinhard, P. Kl\\\"upfel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-09-03T10:11:26Z","title":"Exploration of a modified density dependence in the Skyrme functional"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.0624","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":"sha256:0f29313beff497213984065a7478e6b7e5951da232a0b8b1febcde64e93aa30c","target":"record","created_at":"2026-05-18T04:38:39Z","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":"f362ebff76a30a4d7614bb6a851226bf92c121dafb356663b70da0fc13588a5f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-09-03T10:11:26Z","title_canon_sha256":"04d1f46282009a7fb147e36ca63a49ec992770a7ce870d9b2da689b9034c241b"},"schema_version":"1.0","source":{"id":"1009.0624","kind":"arxiv","version":1}},"canonical_sha256":"244a79b1e89f0814c2ed46ae11010975ebf02446eade879bb40e33f6242e1917","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"244a79b1e89f0814c2ed46ae11010975ebf02446eade879bb40e33f6242e1917","first_computed_at":"2026-05-18T04:38:39.451054Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:39.451054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HifJxVEHXfyQ6Nwd3MU3al4Z2t81kx5tdAJroLFrRwldWhP2WijWHI3RrllFbExeQqG9BZqjzzf+TIBDd/N1DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:39.451805Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.0624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f29313beff497213984065a7478e6b7e5951da232a0b8b1febcde64e93aa30c","sha256:75f91e611ed9bbb5f7e8794c2f8b6b26fb977c66db8fb35f632adbf36de93261"],"state_sha256":"3976b10777a75082eda520552fc09fb8d601dfb1225a09cc2a0b4fa7f8c13bea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"roO3UMTEOLayC+GUUIsFZRTXDzfa7vAQABMlLvGavfciBWb8YNuYSlsmyOEdQKYRtKppE9NO4zc1LtFLKCe1Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T00:44:02.069934Z","bundle_sha256":"421b330a2a676fecb75ee833e7b20fcbbc8bc3edcde27e2f7f5e16abbfdb6802"}}