{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PZYV4DKLN2APY4TEMNR3ZAUEBN","short_pith_number":"pith:PZYV4DKL","canonical_record":{"source":{"id":"1809.01911","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T10:11:10Z","cross_cats_sorted":[],"title_canon_sha256":"363ccc2079d5d9208baa05bf6df5196ddab4f672e180684f7998185d563831e0","abstract_canon_sha256":"52196433116e2c690c1d3d53446bc95536a66aa42d4b21180414b235c75cc335"},"schema_version":"1.0"},"canonical_sha256":"7e715e0d4b6e80fc72646363bc82840b6647680b555927a1622be257c37a2398","source":{"kind":"arxiv","id":"1809.01911","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01911","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01911v3","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01911","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"PZYV4DKLN2AP","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PZYV4DKLN2APY4TE","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PZYV4DKL","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PZYV4DKLN2APY4TEMNR3ZAUEBN","target":"record","payload":{"canonical_record":{"source":{"id":"1809.01911","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T10:11:10Z","cross_cats_sorted":[],"title_canon_sha256":"363ccc2079d5d9208baa05bf6df5196ddab4f672e180684f7998185d563831e0","abstract_canon_sha256":"52196433116e2c690c1d3d53446bc95536a66aa42d4b21180414b235c75cc335"},"schema_version":"1.0"},"canonical_sha256":"7e715e0d4b6e80fc72646363bc82840b6647680b555927a1622be257c37a2398","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:33.872982Z","signature_b64":"QgAZSdt0tN7WJK/AY614YhXd7RLyaEjgq2bPcpt3NVkZ0/PISgiD3lJoZQTVhsQ3uUnI9J7TJmYJtpdlsiYzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e715e0d4b6e80fc72646363bc82840b6647680b555927a1622be257c37a2398","last_reissued_at":"2026-05-17T23:48:33.872536Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:33.872536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.01911","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bh7z8UKn4LlQzgBuDfzWHdXy7q+XAn41r+Qqz2r8SFg0NzVhQiSoRSOO0hjZE2szXc97N6hyl3eB3/QzqNF+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:55:09.069949Z"},"content_sha256":"677539cf67513bd3753bb2654780120d8e89051530ac0bba47f4dec513fefe3f","schema_version":"1.0","event_id":"sha256:677539cf67513bd3753bb2654780120d8e89051530ac0bba47f4dec513fefe3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PZYV4DKLN2APY4TEMNR3ZAUEBN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elimination of spurious modes within QRPA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Repko, J. Kvasil, V.O. Nesterenko","submitted_at":"2018-09-06T10:11:10Z","abstract_excerpt":"We suggest a generalized method for elimination of spurious admixtures (SA) from intrinsic nuclear excitations described within the Quasiparticle-Random-Phase-Approximation (QRPA). Various kinds of SA-corrections are treated at the same theoretical ground. The known corrections are well reproduced. As relevant cases, we consider subtraction of SA related with i) violation of the translational invariance (isovector E1 and isoscalar toroidal and compression E1 modes), ii) pairing-induced non-conservation of the particle number (E2(K=0) and E0 modes), and iii) rotational invariance (E2(K=1) and M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01911","kind":"arxiv","version":3},"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":"2026-05-17T23:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ynT7PyTRHNORwLfbh/FJy9BX1g+FXrQVDjutxdeIJoinsE7JyIfUOcnB3KSaln96eRI5Wr+mUCEVZBEHkipMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:55:09.070293Z"},"content_sha256":"286473f24632261596d1654cf945d310665ff29426d803016a570697f51c77aa","schema_version":"1.0","event_id":"sha256:286473f24632261596d1654cf945d310665ff29426d803016a570697f51c77aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN/bundle.json","state_url":"https://pith.science/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN/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":"2026-05-31T01:55:09Z","links":{"resolver":"https://pith.science/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN","bundle":"https://pith.science/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN/bundle.json","state":"https://pith.science/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZYV4DKLN2APY4TEMNR3ZAUEBN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PZYV4DKLN2APY4TEMNR3ZAUEBN","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":"52196433116e2c690c1d3d53446bc95536a66aa42d4b21180414b235c75cc335","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T10:11:10Z","title_canon_sha256":"363ccc2079d5d9208baa05bf6df5196ddab4f672e180684f7998185d563831e0"},"schema_version":"1.0","source":{"id":"1809.01911","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01911","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01911v3","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01911","created_at":"2026-05-17T23:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"PZYV4DKLN2AP","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PZYV4DKLN2APY4TE","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PZYV4DKL","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:286473f24632261596d1654cf945d310665ff29426d803016a570697f51c77aa","target":"graph","created_at":"2026-05-17T23:48:33Z","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 suggest a generalized method for elimination of spurious admixtures (SA) from intrinsic nuclear excitations described within the Quasiparticle-Random-Phase-Approximation (QRPA). Various kinds of SA-corrections are treated at the same theoretical ground. The known corrections are well reproduced. As relevant cases, we consider subtraction of SA related with i) violation of the translational invariance (isovector E1 and isoscalar toroidal and compression E1 modes), ii) pairing-induced non-conservation of the particle number (E2(K=0) and E0 modes), and iii) rotational invariance (E2(K=1) and M","authors_text":"A. Repko, J. Kvasil, V.O. Nesterenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T10:11:10Z","title":"Elimination of spurious modes within QRPA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01911","kind":"arxiv","version":3},"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":"sha256:677539cf67513bd3753bb2654780120d8e89051530ac0bba47f4dec513fefe3f","target":"record","created_at":"2026-05-17T23:48:33Z","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":"52196433116e2c690c1d3d53446bc95536a66aa42d4b21180414b235c75cc335","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-09-06T10:11:10Z","title_canon_sha256":"363ccc2079d5d9208baa05bf6df5196ddab4f672e180684f7998185d563831e0"},"schema_version":"1.0","source":{"id":"1809.01911","kind":"arxiv","version":3}},"canonical_sha256":"7e715e0d4b6e80fc72646363bc82840b6647680b555927a1622be257c37a2398","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e715e0d4b6e80fc72646363bc82840b6647680b555927a1622be257c37a2398","first_computed_at":"2026-05-17T23:48:33.872536Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:33.872536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QgAZSdt0tN7WJK/AY614YhXd7RLyaEjgq2bPcpt3NVkZ0/PISgiD3lJoZQTVhsQ3uUnI9J7TJmYJtpdlsiYzDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:33.872982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.01911","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:677539cf67513bd3753bb2654780120d8e89051530ac0bba47f4dec513fefe3f","sha256:286473f24632261596d1654cf945d310665ff29426d803016a570697f51c77aa"],"state_sha256":"c4f12afb2f5903e474adedf19d74df636c55383801f12a905d51b241ecbdd7c5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cGXhiCe4h5EoJa1j2dKuVOTa/MGRPwqECKMbVZcQfL3egWxtcDY1Xy4gOU+Ol4DhzDK3AMbqrdXsH0OiqpeXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:55:09.072630Z","bundle_sha256":"2f37bc5145ce784c2eca6193a5d36e10ae98c1146120fcb5417c93a4bd47eb13"}}