{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:V2TVC6N3ED57BLSV4CW2WBAUZJ","short_pith_number":"pith:V2TVC6N3","canonical_record":{"source":{"id":"2001.10433","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-28T16:09:34Z","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"96261ec85c2007f0c0b463e7df1a50aa8ae136e682b44d0416efddf1908b1efd","abstract_canon_sha256":"a78a18641bec631e03502e123e626b166de8415afbca9c6526c983f2a7bd3857"},"schema_version":"1.0"},"canonical_sha256":"aea75179bb20fbf0ae55e0adab0414ca5e0ecbbaaca7c22ce6aa70c970c84570","source":{"kind":"arxiv","id":"2001.10433","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10433","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10433v1","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10433","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"V2TVC6N3ED57","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"pith_short_16","alias_value":"V2TVC6N3ED57BLSV","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"pith_short_8","alias_value":"V2TVC6N3","created_at":"2026-07-05T00:36:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:V2TVC6N3ED57BLSV4CW2WBAUZJ","target":"record","payload":{"canonical_record":{"source":{"id":"2001.10433","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-28T16:09:34Z","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"96261ec85c2007f0c0b463e7df1a50aa8ae136e682b44d0416efddf1908b1efd","abstract_canon_sha256":"a78a18641bec631e03502e123e626b166de8415afbca9c6526c983f2a7bd3857"},"schema_version":"1.0"},"canonical_sha256":"aea75179bb20fbf0ae55e0adab0414ca5e0ecbbaaca7c22ce6aa70c970c84570","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:36:52.603878Z","signature_b64":"3fX8XPaS1nWa/lInNaFQTKCa+2pt03sBqlbMSPoRzFTbuvJKNCZHfJ4OlYr3KaU58u108QKbk78iW8jK9oEiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aea75179bb20fbf0ae55e0adab0414ca5e0ecbbaaca7c22ce6aa70c970c84570","last_reissued_at":"2026-07-05T00:36:52.603411Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:36:52.603411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.10433","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":"2026-07-05T00:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IajW9RF9nK9+z59UI42fPCyBnoJ6hD3TjAUg4ixx8Nf4xpLndDR1i7c9fy3oDSZXY5dr71ZDxp2Ongxz9zhvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:01:04.618058Z"},"content_sha256":"d643aefc8a123c4a8b9efcdd413afa72083ca76c6faa76133ac76a8079875aaa","schema_version":"1.0","event_id":"sha256:d643aefc8a123c4a8b9efcdd413afa72083ca76c6faa76133ac76a8079875aaa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:V2TVC6N3ED57BLSV4CW2WBAUZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Many-body perturbation theories for finite nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","physics.comp-ph"],"primary_cat":"nucl-th","authors_text":"Alexander Tichai, Robert Roth, Thomas Duguet","submitted_at":"2020-01-28T16:09:34Z","abstract_excerpt":"In recent years many-body perturbation theory encountered a renaissance in the field of ab initio nuclear structure theory. In various applications it was shown that perturbation theory, including novel flavors of it, constitutes a useful tool to describe atomic nuclei, either as a full-fledged many-body approach or as an auxiliary method to support more sophisticated non-perturbative many-body schemes. In this work the current status of many-body perturbation theory in the field of nuclear structure is discussed and novel results are provided that highlight its power as a efficient and yet ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10433","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.10433/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":"2026-07-05T00:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8EttkP0k+CDC2bvlaUCVmb0xEariuREfgtteNEGj0reVndJzVbrQjQ6aDgbeUWNo1Ft18s55RzkH571c5U20CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:01:04.618993Z"},"content_sha256":"a01ba7ff8da5b6ff1eb6411a8dbf9e5cca7a27617265c241667e72021c13431c","schema_version":"1.0","event_id":"sha256:a01ba7ff8da5b6ff1eb6411a8dbf9e5cca7a27617265c241667e72021c13431c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ/bundle.json","state_url":"https://pith.science/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ/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":"2026-08-09T14:01:04Z","links":{"resolver":"https://pith.science/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ","bundle":"https://pith.science/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ/bundle.json","state":"https://pith.science/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V2TVC6N3ED57BLSV4CW2WBAUZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:V2TVC6N3ED57BLSV4CW2WBAUZJ","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":"a78a18641bec631e03502e123e626b166de8415afbca9c6526c983f2a7bd3857","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-28T16:09:34Z","title_canon_sha256":"96261ec85c2007f0c0b463e7df1a50aa8ae136e682b44d0416efddf1908b1efd"},"schema_version":"1.0","source":{"id":"2001.10433","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10433","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10433v1","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10433","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"V2TVC6N3ED57","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"pith_short_16","alias_value":"V2TVC6N3ED57BLSV","created_at":"2026-07-05T00:36:52Z"},{"alias_kind":"pith_short_8","alias_value":"V2TVC6N3","created_at":"2026-07-05T00:36:52Z"}],"graph_snapshots":[{"event_id":"sha256:a01ba7ff8da5b6ff1eb6411a8dbf9e5cca7a27617265c241667e72021c13431c","target":"graph","created_at":"2026-07-05T00:36:52Z","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/2001.10433/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years many-body perturbation theory encountered a renaissance in the field of ab initio nuclear structure theory. In various applications it was shown that perturbation theory, including novel flavors of it, constitutes a useful tool to describe atomic nuclei, either as a full-fledged many-body approach or as an auxiliary method to support more sophisticated non-perturbative many-body schemes. In this work the current status of many-body perturbation theory in the field of nuclear structure is discussed and novel results are provided that highlight its power as a efficient and yet ac","authors_text":"Alexander Tichai, Robert Roth, Thomas Duguet","cross_cats":["cond-mat.str-el","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-28T16:09:34Z","title":"Many-body perturbation theories for finite nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10433","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:d643aefc8a123c4a8b9efcdd413afa72083ca76c6faa76133ac76a8079875aaa","target":"record","created_at":"2026-07-05T00:36:52Z","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":"a78a18641bec631e03502e123e626b166de8415afbca9c6526c983f2a7bd3857","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-28T16:09:34Z","title_canon_sha256":"96261ec85c2007f0c0b463e7df1a50aa8ae136e682b44d0416efddf1908b1efd"},"schema_version":"1.0","source":{"id":"2001.10433","kind":"arxiv","version":1}},"canonical_sha256":"aea75179bb20fbf0ae55e0adab0414ca5e0ecbbaaca7c22ce6aa70c970c84570","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aea75179bb20fbf0ae55e0adab0414ca5e0ecbbaaca7c22ce6aa70c970c84570","first_computed_at":"2026-07-05T00:36:52.603411Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:36:52.603411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3fX8XPaS1nWa/lInNaFQTKCa+2pt03sBqlbMSPoRzFTbuvJKNCZHfJ4OlYr3KaU58u108QKbk78iW8jK9oEiCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:36:52.603878Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.10433","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d643aefc8a123c4a8b9efcdd413afa72083ca76c6faa76133ac76a8079875aaa","sha256:a01ba7ff8da5b6ff1eb6411a8dbf9e5cca7a27617265c241667e72021c13431c"],"state_sha256":"9ecda94a5105be379ee9c4c7c286928cf334b3d929b62dd823b6e5183a77a4e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nCugNGxbvL3b/zWHDEdDv2QLnNVuHgWKYi2HYwDX2pNL1jAQJ0hSmuWbRVdB/tpo+Q0vUt1FdBazT2pKjZ0CCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T14:01:04.629962Z","bundle_sha256":"61bdf0f21630aea60f21229401f75f89f7f49da82f46ce1c6dad0ae2d1fe4cc2"}}