{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QCMHAYP2HKN4MTDF673IMCHN75","short_pith_number":"pith:QCMHAYP2","canonical_record":{"source":{"id":"1802.05699","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2018-02-15T18:45:53Z","cross_cats_sorted":["cond-mat.str-el","cs.NA","physics.chem-ph","physics.comp-ph","quant-ph"],"title_canon_sha256":"a5843b4fd8b81f840a976afe523aff2d851da414ce6deac1a93247662fc5c25b","abstract_canon_sha256":"f14d7f46b46f460bd30cc0b944973203ed208e7baea43738bf2055b9b9a218ff"},"schema_version":"1.0"},"canonical_sha256":"80987061fa3a9bc64c65f7f68608edff72fdb01b05972616036908093e006da2","source":{"kind":"arxiv","id":"1802.05699","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.05699","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"arxiv_version","alias_value":"1802.05699v2","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.05699","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"pith_short_12","alias_value":"QCMHAYP2HKN4","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"pith_short_16","alias_value":"QCMHAYP2HKN4MTDF","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"pith_short_8","alias_value":"QCMHAYP2","created_at":"2026-07-05T00:20:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QCMHAYP2HKN4MTDF673IMCHN75","target":"record","payload":{"canonical_record":{"source":{"id":"1802.05699","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2018-02-15T18:45:53Z","cross_cats_sorted":["cond-mat.str-el","cs.NA","physics.chem-ph","physics.comp-ph","quant-ph"],"title_canon_sha256":"a5843b4fd8b81f840a976afe523aff2d851da414ce6deac1a93247662fc5c25b","abstract_canon_sha256":"f14d7f46b46f460bd30cc0b944973203ed208e7baea43738bf2055b9b9a218ff"},"schema_version":"1.0"},"canonical_sha256":"80987061fa3a9bc64c65f7f68608edff72fdb01b05972616036908093e006da2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:20:30.393729Z","signature_b64":"LpIUGj85nVRo84emDNVIrhF9UyOo+bDnV1xbp9dsTvuZ/3zhNTpEV8IMq01ddsKIu48CNrdDULF/txoojYg2Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80987061fa3a9bc64c65f7f68608edff72fdb01b05972616036908093e006da2","last_reissued_at":"2026-07-05T00:20:30.393214Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:20:30.393214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.05699","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":"2026-07-05T00:20:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/6TATPt49H5RpcEf1mtcMoSuLj8IsMrtgWU5Sj1lAvP3ofW3RdPuYqhLsPDBg1Im5p3Q3K5vb4iqK4cX54xrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T21:55:52.189149Z"},"content_sha256":"a42309946bed0b099f760897684c39890dfeb6c91335275e8d9fe7c440ff1197","schema_version":"1.0","event_id":"sha256:a42309946bed0b099f760897684c39890dfeb6c91335275e8d9fe7c440ff1197"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QCMHAYP2HKN4MTDF673IMCHN75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of The Tailored Coupled-Cluster Method in Quantum Chemistry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","cs.NA","physics.chem-ph","physics.comp-ph","quant-ph"],"primary_cat":"math.NA","authors_text":"Andre Laestadius, Fabian M. Faulstich, \\\"Ors Legeza, Reinhold Schneider, Simen Kvaal","submitted_at":"2018-02-15T18:45:53Z","abstract_excerpt":"In quantum chemistry, one of the most important challenges is the static correlation problem when solving the electronic Schr\\\"odinger equation for molecules in the Born--Oppenheimer approximation. In this article, we analyze the tailored coupled-cluster method (TCC), one particular and promising method for treating molecular electronic-structure problems with static correlation. The TCC method combines the single-reference coupled-cluster (CC) approach with an approximate reference calculation in a subspace [complete active space (CAS)] of the considered Hilbert space that covers the static c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.05699","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/1802.05699/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":"2026-07-05T00:20:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/nKGtZ5qI+CD1yBrx0RbxYifIHmCrUakKbkcgJRXJ3HQxVT3TuC5HdKT4BlQnXQMoG8qP4IXT12JExH02pqsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-14T21:55:52.189543Z"},"content_sha256":"0e239529027561e9770341cbb165e52a9f5da0d746d6237f98776fef3a228450","schema_version":"1.0","event_id":"sha256:0e239529027561e9770341cbb165e52a9f5da0d746d6237f98776fef3a228450"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QCMHAYP2HKN4MTDF673IMCHN75/bundle.json","state_url":"https://pith.science/pith/QCMHAYP2HKN4MTDF673IMCHN75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QCMHAYP2HKN4MTDF673IMCHN75/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":"2026-07-14T21:55:52Z","links":{"resolver":"https://pith.science/pith/QCMHAYP2HKN4MTDF673IMCHN75","bundle":"https://pith.science/pith/QCMHAYP2HKN4MTDF673IMCHN75/bundle.json","state":"https://pith.science/pith/QCMHAYP2HKN4MTDF673IMCHN75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QCMHAYP2HKN4MTDF673IMCHN75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QCMHAYP2HKN4MTDF673IMCHN75","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":"f14d7f46b46f460bd30cc0b944973203ed208e7baea43738bf2055b9b9a218ff","cross_cats_sorted":["cond-mat.str-el","cs.NA","physics.chem-ph","physics.comp-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2018-02-15T18:45:53Z","title_canon_sha256":"a5843b4fd8b81f840a976afe523aff2d851da414ce6deac1a93247662fc5c25b"},"schema_version":"1.0","source":{"id":"1802.05699","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.05699","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"arxiv_version","alias_value":"1802.05699v2","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.05699","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"pith_short_12","alias_value":"QCMHAYP2HKN4","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"pith_short_16","alias_value":"QCMHAYP2HKN4MTDF","created_at":"2026-07-05T00:20:30Z"},{"alias_kind":"pith_short_8","alias_value":"QCMHAYP2","created_at":"2026-07-05T00:20:30Z"}],"graph_snapshots":[{"event_id":"sha256:0e239529027561e9770341cbb165e52a9f5da0d746d6237f98776fef3a228450","target":"graph","created_at":"2026-07-05T00:20:30Z","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/1802.05699/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In quantum chemistry, one of the most important challenges is the static correlation problem when solving the electronic Schr\\\"odinger equation for molecules in the Born--Oppenheimer approximation. In this article, we analyze the tailored coupled-cluster method (TCC), one particular and promising method for treating molecular electronic-structure problems with static correlation. The TCC method combines the single-reference coupled-cluster (CC) approach with an approximate reference calculation in a subspace [complete active space (CAS)] of the considered Hilbert space that covers the static c","authors_text":"Andre Laestadius, Fabian M. Faulstich, \\\"Ors Legeza, Reinhold Schneider, Simen Kvaal","cross_cats":["cond-mat.str-el","cs.NA","physics.chem-ph","physics.comp-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2018-02-15T18:45:53Z","title":"Analysis of The Tailored Coupled-Cluster Method in Quantum Chemistry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.05699","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:a42309946bed0b099f760897684c39890dfeb6c91335275e8d9fe7c440ff1197","target":"record","created_at":"2026-07-05T00:20:30Z","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":"f14d7f46b46f460bd30cc0b944973203ed208e7baea43738bf2055b9b9a218ff","cross_cats_sorted":["cond-mat.str-el","cs.NA","physics.chem-ph","physics.comp-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2018-02-15T18:45:53Z","title_canon_sha256":"a5843b4fd8b81f840a976afe523aff2d851da414ce6deac1a93247662fc5c25b"},"schema_version":"1.0","source":{"id":"1802.05699","kind":"arxiv","version":2}},"canonical_sha256":"80987061fa3a9bc64c65f7f68608edff72fdb01b05972616036908093e006da2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80987061fa3a9bc64c65f7f68608edff72fdb01b05972616036908093e006da2","first_computed_at":"2026-07-05T00:20:30.393214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:20:30.393214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LpIUGj85nVRo84emDNVIrhF9UyOo+bDnV1xbp9dsTvuZ/3zhNTpEV8IMq01ddsKIu48CNrdDULF/txoojYg2Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:20:30.393729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.05699","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a42309946bed0b099f760897684c39890dfeb6c91335275e8d9fe7c440ff1197","sha256:0e239529027561e9770341cbb165e52a9f5da0d746d6237f98776fef3a228450"],"state_sha256":"5f5f81a41468986ed3d960d4e026c6fbd43eba3135bfe1dad0ba0805ddaaca22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j1ZQ0MCCwkqAiU3EqCkOgcjR5p/BicMXDq67gTmj53ysunKFARzqlrJCbV975VFrv5uKuxU4cylujLR5I5UTAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-14T21:55:52.191983Z","bundle_sha256":"b332d365dc5c2ee3c0f5d5b6c4ed6cd112f34451535f069e80d7c07552e2aed7"}}