{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2M2WGGSBV6RL6IFLSKMYDHHRDF","short_pith_number":"pith:2M2WGGSB","canonical_record":{"source":{"id":"1901.06992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-01-21T16:30:57Z","cross_cats_sorted":["cond-mat.other","nucl-ex"],"title_canon_sha256":"e8ba20095746b5e7936d0175dc1e1f6eff8aeeabc2023f02ca684ee5b1fea6eb","abstract_canon_sha256":"7d4e84b06a9e10b65fd07a9988258c5f29148a19a7a20a64e74d3eb1b912d255"},"schema_version":"1.0"},"canonical_sha256":"d335631a41afa2bf20ab9299819cf11940d573d315b8eb6993c59a949dd5998a","source":{"kind":"arxiv","id":"1901.06992","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.06992","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"arxiv_version","alias_value":"1901.06992v2","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06992","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"pith_short_12","alias_value":"2M2WGGSBV6RL","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"2M2WGGSBV6RL6IFL","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"2M2WGGSB","created_at":"2026-07-05T03:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2M2WGGSBV6RL6IFLSKMYDHHRDF","target":"record","payload":{"canonical_record":{"source":{"id":"1901.06992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-01-21T16:30:57Z","cross_cats_sorted":["cond-mat.other","nucl-ex"],"title_canon_sha256":"e8ba20095746b5e7936d0175dc1e1f6eff8aeeabc2023f02ca684ee5b1fea6eb","abstract_canon_sha256":"7d4e84b06a9e10b65fd07a9988258c5f29148a19a7a20a64e74d3eb1b912d255"},"schema_version":"1.0"},"canonical_sha256":"d335631a41afa2bf20ab9299819cf11940d573d315b8eb6993c59a949dd5998a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:23.656569Z","signature_b64":"ESnwjjhYXqJdun8eZyFZ4zvBbdCYNDAJPfbwwwwXI9F4N4LidbN00Zbqy68w3u3aZEzf2ownALonlSVpw66rCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d335631a41afa2bf20ab9299819cf11940d573d315b8eb6993c59a949dd5998a","last_reissued_at":"2026-07-05T03:27:23.656105Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:23.656105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.06992","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":"2026-07-05T03:27:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNSb1o50d9kIew4HgW3pGtL4sLKOn3zYf1YYefUtsW4uerixXBovrAKuxRHZYOPpUkd/5scy1daibGAYro1ODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:04:38.015348Z"},"content_sha256":"e1209db5464e91fe3feacef399449d2a59d214b99b85c9f5f48de087532c5a22","schema_version":"1.0","event_id":"sha256:e1209db5464e91fe3feacef399449d2a59d214b99b85c9f5f48de087532c5a22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2M2WGGSBV6RL6IFLSKMYDHHRDF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry restoration in mean-field approaches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","nucl-ex"],"primary_cat":"nucl-th","authors_text":"C. Yannouleas, J.A. Sheikh, J. Dobaczewski, L. M. Robledo, P. Ring","submitted_at":"2019-01-21T16:30:57Z","abstract_excerpt":"The mean-field approximation based on effective interactions or density functionals plays a pivotal role in the description of finite quantum many-body systems that are too large to be treated by ab initio methods. Some examples are strongly interacting medium and heavy mass atomic nuclei and mesoscopic condensed matter systems. In this approach, the linear Schrodinger equation for the exact many-body wave function is mapped onto a non-linear density-dependent one-body potential problem. This approximation, not only provides computationally very simple solutions even for systems with many part"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06992","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1901.06992/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:27:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qkocBTgYYlAp2a5BuwNsIyuyTf39LoXkZhLgUZsnIwtKtnC4aeNjzeNrJLBKKvS35cdEWh05+KjPFKjHXZfoBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:04:38.015890Z"},"content_sha256":"a70cf29555c4efc941f15be3f988587ff51a8fcaaf73e05b2aa492fe9a7d4587","schema_version":"1.0","event_id":"sha256:a70cf29555c4efc941f15be3f988587ff51a8fcaaf73e05b2aa492fe9a7d4587"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF/bundle.json","state_url":"https://pith.science/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF/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":"2026-08-06T18:04:38Z","links":{"resolver":"https://pith.science/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF","bundle":"https://pith.science/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF/bundle.json","state":"https://pith.science/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2M2WGGSBV6RL6IFLSKMYDHHRDF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2M2WGGSBV6RL6IFLSKMYDHHRDF","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":"7d4e84b06a9e10b65fd07a9988258c5f29148a19a7a20a64e74d3eb1b912d255","cross_cats_sorted":["cond-mat.other","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-01-21T16:30:57Z","title_canon_sha256":"e8ba20095746b5e7936d0175dc1e1f6eff8aeeabc2023f02ca684ee5b1fea6eb"},"schema_version":"1.0","source":{"id":"1901.06992","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.06992","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"arxiv_version","alias_value":"1901.06992v2","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06992","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"pith_short_12","alias_value":"2M2WGGSBV6RL","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"2M2WGGSBV6RL6IFL","created_at":"2026-07-05T03:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"2M2WGGSB","created_at":"2026-07-05T03:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:a70cf29555c4efc941f15be3f988587ff51a8fcaaf73e05b2aa492fe9a7d4587","target":"graph","created_at":"2026-07-05T03:27:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1901.06992/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The mean-field approximation based on effective interactions or density functionals plays a pivotal role in the description of finite quantum many-body systems that are too large to be treated by ab initio methods. Some examples are strongly interacting medium and heavy mass atomic nuclei and mesoscopic condensed matter systems. In this approach, the linear Schrodinger equation for the exact many-body wave function is mapped onto a non-linear density-dependent one-body potential problem. This approximation, not only provides computationally very simple solutions even for systems with many part","authors_text":"C. Yannouleas, J.A. Sheikh, J. Dobaczewski, L. M. Robledo, P. Ring","cross_cats":["cond-mat.other","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-01-21T16:30:57Z","title":"Symmetry restoration in mean-field approaches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06992","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:e1209db5464e91fe3feacef399449d2a59d214b99b85c9f5f48de087532c5a22","target":"record","created_at":"2026-07-05T03:27:23Z","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":"7d4e84b06a9e10b65fd07a9988258c5f29148a19a7a20a64e74d3eb1b912d255","cross_cats_sorted":["cond-mat.other","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-01-21T16:30:57Z","title_canon_sha256":"e8ba20095746b5e7936d0175dc1e1f6eff8aeeabc2023f02ca684ee5b1fea6eb"},"schema_version":"1.0","source":{"id":"1901.06992","kind":"arxiv","version":2}},"canonical_sha256":"d335631a41afa2bf20ab9299819cf11940d573d315b8eb6993c59a949dd5998a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d335631a41afa2bf20ab9299819cf11940d573d315b8eb6993c59a949dd5998a","first_computed_at":"2026-07-05T03:27:23.656105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:27:23.656105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ESnwjjhYXqJdun8eZyFZ4zvBbdCYNDAJPfbwwwwXI9F4N4LidbN00Zbqy68w3u3aZEzf2ownALonlSVpw66rCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:27:23.656569Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.06992","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1209db5464e91fe3feacef399449d2a59d214b99b85c9f5f48de087532c5a22","sha256:a70cf29555c4efc941f15be3f988587ff51a8fcaaf73e05b2aa492fe9a7d4587"],"state_sha256":"96864b55d59ec2155551773b621980c0e2d2639b922c7d2bc8ec7bb35c0956f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QTq5CobtBuvrq9csSipfLLvV3tTNFWC18bEsBxaerPByAQpAboZhW3kvCrDjYnFc9fksn6AGEDFVGOP5W1MdCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T18:04:38.022806Z","bundle_sha256":"e07bca4d0dd231a24f6092750aacf107c7994c48e0e8f70dbe00bdc4b3218097"}}