{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:74FQYDKRDY7PFYUHSNRYDYEOLZ","short_pith_number":"pith:74FQYDKR","canonical_record":{"source":{"id":"1210.3643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-10-12T21:20:41Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"584aab206a814570682a9c986342f0d822ede4d86f9ce06f3337a0b535ffd357","abstract_canon_sha256":"d4db1268f6d8dcbc6c30479f343d113687dee12383c6861a31042e07832d8ae4"},"schema_version":"1.0"},"canonical_sha256":"ff0b0c0d511e3ef2e287936381e08e5e435c4094cd158b03e0dd080bd153a852","source":{"kind":"arxiv","id":"1210.3643","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3643","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3643v1","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3643","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"pith_short_12","alias_value":"74FQYDKRDY7P","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"74FQYDKRDY7PFYUH","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"74FQYDKR","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:74FQYDKRDY7PFYUHSNRYDYEOLZ","target":"record","payload":{"canonical_record":{"source":{"id":"1210.3643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-10-12T21:20:41Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"584aab206a814570682a9c986342f0d822ede4d86f9ce06f3337a0b535ffd357","abstract_canon_sha256":"d4db1268f6d8dcbc6c30479f343d113687dee12383c6861a31042e07832d8ae4"},"schema_version":"1.0"},"canonical_sha256":"ff0b0c0d511e3ef2e287936381e08e5e435c4094cd158b03e0dd080bd153a852","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:55.893914Z","signature_b64":"EseNoVZXoRF0l7/dl4Yej9p9Afmx5rUtXLQdQXrA+tPMDPiPRf9GpgunQWa7bBicQhg/+41tz+K5cwlW6KlqAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff0b0c0d511e3ef2e287936381e08e5e435c4094cd158b03e0dd080bd153a852","last_reissued_at":"2026-05-18T01:53:55.893193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:55.893193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.3643","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":"2026-05-18T01:53:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yzLrgnjdNjp7EbtpLQ9YdLKj36Sbv36KsrKXQyT+jslrBd/USwqcilT7IhFofFzB0NuzDVTdio5hCzYyuZOTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:29:01.866590Z"},"content_sha256":"4df274b7012daf3f75f9340ea8e0fff5bb9d146459e01228d38124806e4ea7a8","schema_version":"1.0","event_id":"sha256:4df274b7012daf3f75f9340ea8e0fff5bb9d146459e01228d38124806e4ea7a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:74FQYDKRDY7PFYUHSNRYDYEOLZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Signatures of phase transitions in nuclei at finite excitation energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"nucl-th","authors_text":"C. \\\"Ozen, H. Nakada, Y. Alhassid","submitted_at":"2012-10-12T21:20:41Z","abstract_excerpt":"The mean-field approximation predicts pairing and shape phase transitions in nuclei as a function of temperature or excitation energy. However, in the finite nucleus the singularities of these phase transitions are smoothed out by quantal and thermal fluctuations. An interesting question is whether signatures of these transitions survive despite the large fluctuations. The shell model Monte Carlo (SMMC) approach enables us to calculate the statistical properties of nuclei beyond the mean-field approximation in model spaces that are many orders of magnitude larger than spaces that can be treate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3643","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":"2026-05-18T01:53:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w6gWcOVuaWby+0yCtueKnOtFmYpTBlFV+8iKOeeYffCXBh1G4A7KQTNFcO/Pid/UUIOsYUSopVLhBdW5HZWRBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:29:01.867189Z"},"content_sha256":"0e9fba9818125465e744c5da81e544493a0d610ef08a755283d5a5118a2c3998","schema_version":"1.0","event_id":"sha256:0e9fba9818125465e744c5da81e544493a0d610ef08a755283d5a5118a2c3998"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ/bundle.json","state_url":"https://pith.science/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ/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":"2026-05-27T00:29:01Z","links":{"resolver":"https://pith.science/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ","bundle":"https://pith.science/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ/bundle.json","state":"https://pith.science/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/74FQYDKRDY7PFYUHSNRYDYEOLZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:74FQYDKRDY7PFYUHSNRYDYEOLZ","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":"d4db1268f6d8dcbc6c30479f343d113687dee12383c6861a31042e07832d8ae4","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-10-12T21:20:41Z","title_canon_sha256":"584aab206a814570682a9c986342f0d822ede4d86f9ce06f3337a0b535ffd357"},"schema_version":"1.0","source":{"id":"1210.3643","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3643","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3643v1","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3643","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"pith_short_12","alias_value":"74FQYDKRDY7P","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"74FQYDKRDY7PFYUH","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"74FQYDKR","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:0e9fba9818125465e744c5da81e544493a0d610ef08a755283d5a5118a2c3998","target":"graph","created_at":"2026-05-18T01:53:55Z","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":"The mean-field approximation predicts pairing and shape phase transitions in nuclei as a function of temperature or excitation energy. However, in the finite nucleus the singularities of these phase transitions are smoothed out by quantal and thermal fluctuations. An interesting question is whether signatures of these transitions survive despite the large fluctuations. The shell model Monte Carlo (SMMC) approach enables us to calculate the statistical properties of nuclei beyond the mean-field approximation in model spaces that are many orders of magnitude larger than spaces that can be treate","authors_text":"C. \\\"Ozen, H. Nakada, Y. Alhassid","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-10-12T21:20:41Z","title":"Signatures of phase transitions in nuclei at finite excitation energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3643","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":"sha256:4df274b7012daf3f75f9340ea8e0fff5bb9d146459e01228d38124806e4ea7a8","target":"record","created_at":"2026-05-18T01:53:55Z","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":"d4db1268f6d8dcbc6c30479f343d113687dee12383c6861a31042e07832d8ae4","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-10-12T21:20:41Z","title_canon_sha256":"584aab206a814570682a9c986342f0d822ede4d86f9ce06f3337a0b535ffd357"},"schema_version":"1.0","source":{"id":"1210.3643","kind":"arxiv","version":1}},"canonical_sha256":"ff0b0c0d511e3ef2e287936381e08e5e435c4094cd158b03e0dd080bd153a852","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff0b0c0d511e3ef2e287936381e08e5e435c4094cd158b03e0dd080bd153a852","first_computed_at":"2026-05-18T01:53:55.893193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:55.893193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EseNoVZXoRF0l7/dl4Yej9p9Afmx5rUtXLQdQXrA+tPMDPiPRf9GpgunQWa7bBicQhg/+41tz+K5cwlW6KlqAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:55.893914Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.3643","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4df274b7012daf3f75f9340ea8e0fff5bb9d146459e01228d38124806e4ea7a8","sha256:0e9fba9818125465e744c5da81e544493a0d610ef08a755283d5a5118a2c3998"],"state_sha256":"6d61a560c924f875a488ede1dc9a0b94a7640c8ce1be852bccd1bc7cff9d7820"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RKuu3fMLpIVwMFyELO8WQOzaZHvr0TGCfmWi+R2wz7jPXLezUtZPKX+3UDURpmXTfNlJJ27gr8j6EMofLQrUCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:29:01.870204Z","bundle_sha256":"577722f1cc5c0501347f255927c74065fade82eb1bf5b0b712203bb44d3444d6"}}