{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:W34UFBOVZO7XQYX7SQDUUEEPKI","short_pith_number":"pith:W34UFBOV","canonical_record":{"source":{"id":"1512.03773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-11T19:52:54Z","cross_cats_sorted":[],"title_canon_sha256":"13e21fdd602328314a98993eb91ef7eefff5febaf96c134c38fde482c767bab2","abstract_canon_sha256":"806b827203bd34dcd18ebbd0b34d2cdf420709c8d69daabf478c67a29d176442"},"schema_version":"1.0"},"canonical_sha256":"b6f94285d5cbbf7862ff94074a108f5239a6e3a4bcf9569b13a524fcde46fe6d","source":{"kind":"arxiv","id":"1512.03773","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03773","created_at":"2026-05-18T01:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03773v1","created_at":"2026-05-18T01:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03773","created_at":"2026-05-18T01:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"W34UFBOVZO7X","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"W34UFBOVZO7XQYX7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"W34UFBOV","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:W34UFBOVZO7XQYX7SQDUUEEPKI","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-11T19:52:54Z","cross_cats_sorted":[],"title_canon_sha256":"13e21fdd602328314a98993eb91ef7eefff5febaf96c134c38fde482c767bab2","abstract_canon_sha256":"806b827203bd34dcd18ebbd0b34d2cdf420709c8d69daabf478c67a29d176442"},"schema_version":"1.0"},"canonical_sha256":"b6f94285d5cbbf7862ff94074a108f5239a6e3a4bcf9569b13a524fcde46fe6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:43.536486Z","signature_b64":"TwnUNZoYwr91HGsNwIXgJBBIX4tlePzZYfG+QZhukBSSdg9FxquA5ZgdykvdmBXHBwszYS3MJOOIBYtsjTCVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6f94285d5cbbf7862ff94074a108f5239a6e3a4bcf9569b13a524fcde46fe6d","last_reissued_at":"2026-05-18T01:15:43.535957Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:43.535957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03773","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":"2026-05-18T01:15:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"95r12UEFCPRFf6PDz4p1bvzbzfBH0+9q4a0w5wShmU6m1Kllw2CVnL1EBC9MstqwG+gyknT70dEXAsO2OTAcAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:03:01.764960Z"},"content_sha256":"784f3fd25e4207b50cdfcbe22de43954daa30c6078ce36e4841c45f4e2f55e97","schema_version":"1.0","event_id":"sha256:784f3fd25e4207b50cdfcbe22de43954daa30c6078ce36e4841c45f4e2f55e97"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:W34UFBOVZO7XQYX7SQDUUEEPKI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Benchmarking mean-field approximations to level densities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"C.N. Gilbreth, G.F. Bertsch, H. Nakada, Y. Alhassid","submitted_at":"2015-12-11T19:52:54Z","abstract_excerpt":"We assess the accuracy of finite-temperature mean-field theory using as a standard the Hamiltonian and model space of the shell model Monte Carlo calculations. Two examples are considered: the nucleus $^{162}$Dy, representing a heavy deformed nucleus, and $^{148}$Sm, representing a nearby heavy spherical nucleus with strong pairing correlations. The errors inherent in the finite-temperature Hartree-Fock and Hartree-Fock-Bogoliubov approximations are analyzed by comparing the entropies of the grand canonical and canonical ensembles, as well as the level density at the neutron resonance threshol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03773","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":"2026-05-18T01:15:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hCmSObvzBbbPUYNHl2U2DWLPzFZLPU5m7ZbW7h++3rdLsDuSAzTohGS9VnWE5ocflv+SLLx8JEf5F1/Fu5CLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:03:01.765524Z"},"content_sha256":"88dc598217b6bdc348071d13980bd8ae4efbf7d0f8a38f8a28b1b7dd459afbd7","schema_version":"1.0","event_id":"sha256:88dc598217b6bdc348071d13980bd8ae4efbf7d0f8a38f8a28b1b7dd459afbd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W34UFBOVZO7XQYX7SQDUUEEPKI/bundle.json","state_url":"https://pith.science/pith/W34UFBOVZO7XQYX7SQDUUEEPKI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W34UFBOVZO7XQYX7SQDUUEEPKI/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":"2026-06-05T06:03:01Z","links":{"resolver":"https://pith.science/pith/W34UFBOVZO7XQYX7SQDUUEEPKI","bundle":"https://pith.science/pith/W34UFBOVZO7XQYX7SQDUUEEPKI/bundle.json","state":"https://pith.science/pith/W34UFBOVZO7XQYX7SQDUUEEPKI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W34UFBOVZO7XQYX7SQDUUEEPKI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:W34UFBOVZO7XQYX7SQDUUEEPKI","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":"806b827203bd34dcd18ebbd0b34d2cdf420709c8d69daabf478c67a29d176442","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-11T19:52:54Z","title_canon_sha256":"13e21fdd602328314a98993eb91ef7eefff5febaf96c134c38fde482c767bab2"},"schema_version":"1.0","source":{"id":"1512.03773","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03773","created_at":"2026-05-18T01:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03773v1","created_at":"2026-05-18T01:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03773","created_at":"2026-05-18T01:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"W34UFBOVZO7X","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"W34UFBOVZO7XQYX7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"W34UFBOV","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:88dc598217b6bdc348071d13980bd8ae4efbf7d0f8a38f8a28b1b7dd459afbd7","target":"graph","created_at":"2026-05-18T01:15:43Z","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":"We assess the accuracy of finite-temperature mean-field theory using as a standard the Hamiltonian and model space of the shell model Monte Carlo calculations. Two examples are considered: the nucleus $^{162}$Dy, representing a heavy deformed nucleus, and $^{148}$Sm, representing a nearby heavy spherical nucleus with strong pairing correlations. The errors inherent in the finite-temperature Hartree-Fock and Hartree-Fock-Bogoliubov approximations are analyzed by comparing the entropies of the grand canonical and canonical ensembles, as well as the level density at the neutron resonance threshol","authors_text":"C.N. Gilbreth, G.F. Bertsch, H. Nakada, Y. Alhassid","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-11T19:52:54Z","title":"Benchmarking mean-field approximations to level densities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03773","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":"sha256:784f3fd25e4207b50cdfcbe22de43954daa30c6078ce36e4841c45f4e2f55e97","target":"record","created_at":"2026-05-18T01:15:43Z","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":"806b827203bd34dcd18ebbd0b34d2cdf420709c8d69daabf478c67a29d176442","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-11T19:52:54Z","title_canon_sha256":"13e21fdd602328314a98993eb91ef7eefff5febaf96c134c38fde482c767bab2"},"schema_version":"1.0","source":{"id":"1512.03773","kind":"arxiv","version":1}},"canonical_sha256":"b6f94285d5cbbf7862ff94074a108f5239a6e3a4bcf9569b13a524fcde46fe6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6f94285d5cbbf7862ff94074a108f5239a6e3a4bcf9569b13a524fcde46fe6d","first_computed_at":"2026-05-18T01:15:43.535957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:43.535957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TwnUNZoYwr91HGsNwIXgJBBIX4tlePzZYfG+QZhukBSSdg9FxquA5ZgdykvdmBXHBwszYS3MJOOIBYtsjTCVAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:43.536486Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03773","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:784f3fd25e4207b50cdfcbe22de43954daa30c6078ce36e4841c45f4e2f55e97","sha256:88dc598217b6bdc348071d13980bd8ae4efbf7d0f8a38f8a28b1b7dd459afbd7"],"state_sha256":"7e67c49a50208063b60fcdf5cd7c00133b19019de5495295775fafde720daa7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"84lc1qS4I49OcQwJgSdamWWdXX9ku8NRNbON/x793zoNxkmGoy812lAk19TCngwSD4ur5EF3cuEL8hl1rs21Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:03:01.768490Z","bundle_sha256":"e625d257b2abf2e68f12cb100ed9df97cd300ffb24a63f6125695182a9577b07"}}