{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:HGZIGFRFBN63NXZ7W6ESBEPYJF","short_pith_number":"pith:HGZIGFRF","canonical_record":{"source":{"id":"1406.1919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-06-07T18:54:36Z","cross_cats_sorted":[],"title_canon_sha256":"f0af8b2cbd1f2f86f54a6ba92b34545d10e3926540ade71728c2f087f2bb72ac","abstract_canon_sha256":"db874d8914b7dd8d513ebaf9c4dc649aa4322e4cff636482593d3cea57a7bc6d"},"schema_version":"1.0"},"canonical_sha256":"39b28316250b7db6df3fb7892091f84973782f7ee3f05e2a8c53a47e3315b032","source":{"kind":"arxiv","id":"1406.1919","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1919","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1919v2","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1919","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"pith_short_12","alias_value":"HGZIGFRFBN63","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HGZIGFRFBN63NXZ7","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HGZIGFRF","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:HGZIGFRFBN63NXZ7W6ESBEPYJF","target":"record","payload":{"canonical_record":{"source":{"id":"1406.1919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-06-07T18:54:36Z","cross_cats_sorted":[],"title_canon_sha256":"f0af8b2cbd1f2f86f54a6ba92b34545d10e3926540ade71728c2f087f2bb72ac","abstract_canon_sha256":"db874d8914b7dd8d513ebaf9c4dc649aa4322e4cff636482593d3cea57a7bc6d"},"schema_version":"1.0"},"canonical_sha256":"39b28316250b7db6df3fb7892091f84973782f7ee3f05e2a8c53a47e3315b032","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:59.345480Z","signature_b64":"9ZVJ2FpGGcHwFVisWm976TWnnajGC/bt16ZiXyWi7j+1TdO8QwWoJkOoyrhS26ckSj+RBPrX00/G7B+A6h2oCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39b28316250b7db6df3fb7892091f84973782f7ee3f05e2a8c53a47e3315b032","last_reissued_at":"2026-05-18T02:38:59.345067Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:59.345067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.1919","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:38:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LFL6RsQmBFq//17ASdcsAYvgYtIuv3oN5TuxBowG4MdN+bwaFWT21VmMOCrbuCAq+neeQcrIGOlD07BmgKrzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:32:51.870453Z"},"content_sha256":"a0232db698188c3c10b4adf67e8245b0915f7c6aa70f6a7f76318f2c7056718e","schema_version":"1.0","event_id":"sha256:a0232db698188c3c10b4adf67e8245b0915f7c6aa70f6a7f76318f2c7056718e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:HGZIGFRFBN63NXZ7W6ESBEPYJF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of temperature on the effective mass and the neutron skin of nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"E. Khan, E. Y\\\"uksel, G. Col\\`o, K. Bozkurt","submitted_at":"2014-06-07T18:54:36Z","abstract_excerpt":"We study the finite temperature Hartree-Fock-BCS approximation for selected stable Sn nuclei with zero-range Skyrme forces. Hartree Fock BCS approximation allows for a straightforward interpretation of the results since it involves u and v's which are not matrices as in HFB. Pairing transitions from superfluid to the normal state are studied with respect to the temperature. The temperature dependence of the nuclear radii and neutron skin are also analyzed. An increase of proton and neutron radii is obtained in neutron rich nuclei especially above the critical temperature. Using different Skyrm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1919","kind":"arxiv","version":2},"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":"2026-05-18T02:38:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UlKbO5jvNQRgRkKklRHzTOmfciPfd2/drSTpWb9NHn6lSXm85Vxc1NpKlwnJWVbEBdWPEQs/TWEgu4g9eYspAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:32:51.871064Z"},"content_sha256":"bdb1f0ed9cff65164ffabb123f550b44860ea6820eda58d88c07459927158b3c","schema_version":"1.0","event_id":"sha256:bdb1f0ed9cff65164ffabb123f550b44860ea6820eda58d88c07459927158b3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF/bundle.json","state_url":"https://pith.science/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF/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":"2026-05-27T17:32:51Z","links":{"resolver":"https://pith.science/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF","bundle":"https://pith.science/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF/bundle.json","state":"https://pith.science/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HGZIGFRFBN63NXZ7W6ESBEPYJF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:HGZIGFRFBN63NXZ7W6ESBEPYJF","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":"db874d8914b7dd8d513ebaf9c4dc649aa4322e4cff636482593d3cea57a7bc6d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-06-07T18:54:36Z","title_canon_sha256":"f0af8b2cbd1f2f86f54a6ba92b34545d10e3926540ade71728c2f087f2bb72ac"},"schema_version":"1.0","source":{"id":"1406.1919","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.1919","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"arxiv_version","alias_value":"1406.1919v2","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1919","created_at":"2026-05-18T02:38:59Z"},{"alias_kind":"pith_short_12","alias_value":"HGZIGFRFBN63","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HGZIGFRFBN63NXZ7","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HGZIGFRF","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:bdb1f0ed9cff65164ffabb123f550b44860ea6820eda58d88c07459927158b3c","target":"graph","created_at":"2026-05-18T02:38:59Z","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 study the finite temperature Hartree-Fock-BCS approximation for selected stable Sn nuclei with zero-range Skyrme forces. Hartree Fock BCS approximation allows for a straightforward interpretation of the results since it involves u and v's which are not matrices as in HFB. Pairing transitions from superfluid to the normal state are studied with respect to the temperature. The temperature dependence of the nuclear radii and neutron skin are also analyzed. An increase of proton and neutron radii is obtained in neutron rich nuclei especially above the critical temperature. Using different Skyrm","authors_text":"E. Khan, E. Y\\\"uksel, G. Col\\`o, K. Bozkurt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-06-07T18:54:36Z","title":"Effect of temperature on the effective mass and the neutron skin of nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1919","kind":"arxiv","version":2},"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:a0232db698188c3c10b4adf67e8245b0915f7c6aa70f6a7f76318f2c7056718e","target":"record","created_at":"2026-05-18T02:38:59Z","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":"db874d8914b7dd8d513ebaf9c4dc649aa4322e4cff636482593d3cea57a7bc6d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-06-07T18:54:36Z","title_canon_sha256":"f0af8b2cbd1f2f86f54a6ba92b34545d10e3926540ade71728c2f087f2bb72ac"},"schema_version":"1.0","source":{"id":"1406.1919","kind":"arxiv","version":2}},"canonical_sha256":"39b28316250b7db6df3fb7892091f84973782f7ee3f05e2a8c53a47e3315b032","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39b28316250b7db6df3fb7892091f84973782f7ee3f05e2a8c53a47e3315b032","first_computed_at":"2026-05-18T02:38:59.345067Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:59.345067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9ZVJ2FpGGcHwFVisWm976TWnnajGC/bt16ZiXyWi7j+1TdO8QwWoJkOoyrhS26ckSj+RBPrX00/G7B+A6h2oCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:59.345480Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.1919","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0232db698188c3c10b4adf67e8245b0915f7c6aa70f6a7f76318f2c7056718e","sha256:bdb1f0ed9cff65164ffabb123f550b44860ea6820eda58d88c07459927158b3c"],"state_sha256":"07af8e0891d6a5b2d325653a8871223786ce3d167deeb5ee1143b140b4671b17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZouZvDccwzgXRCj9cIoLPms8r2VDJ5IU+d+V9vtyfBq7VSCsU1KkgG0le8wMufNlr92oyuiRttD7YAWjWXB6AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:32:51.874283Z","bundle_sha256":"6c07cefcbbdb991291f45c92e493c2f1bf3082809970b9db97cec33332968621"}}