{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:47RCYWL7CLRV2O72YRCKC6XEZU","short_pith_number":"pith:47RCYWL7","canonical_record":{"source":{"id":"physics/0502147","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.chem-ph","submitted_at":"2005-02-26T21:25:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5ea4ed7df8859f2975e438c37c46eaa51ede0ff7e2404e26912e4202bd29d774","abstract_canon_sha256":"383fd4c0ff2defdaf8779619ae3649f85d1abfc0af6a40dfe6665050349e47dd"},"schema_version":"1.0"},"canonical_sha256":"e7e22c597f12e35d3bfac444a17ae4cd0df0b5d4d27c729094b6d90828603ba0","source":{"kind":"arxiv","id":"physics/0502147","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0502147","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0502147v1","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0502147","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"pith_short_12","alias_value":"47RCYWL7CLRV","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"pith_short_16","alias_value":"47RCYWL7CLRV2O72","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"pith_short_8","alias_value":"47RCYWL7","created_at":"2026-07-04T16:57:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:47RCYWL7CLRV2O72YRCKC6XEZU","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0502147","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.chem-ph","submitted_at":"2005-02-26T21:25:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5ea4ed7df8859f2975e438c37c46eaa51ede0ff7e2404e26912e4202bd29d774","abstract_canon_sha256":"383fd4c0ff2defdaf8779619ae3649f85d1abfc0af6a40dfe6665050349e47dd"},"schema_version":"1.0"},"canonical_sha256":"e7e22c597f12e35d3bfac444a17ae4cd0df0b5d4d27c729094b6d90828603ba0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:57:04.761971Z","signature_b64":"6qfdmHaDSstfelQLw5p0utAvZsLHoc3a1p/RWIvtbFFQhEI4TURtbMko3+aLlo1gB2R6D34jdAhRAuds3QvvCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7e22c597f12e35d3bfac444a17ae4cd0df0b5d4d27c729094b6d90828603ba0","last_reissued_at":"2026-07-04T16:57:04.761615Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:57:04.761615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0502147","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":"2026-07-04T16:57:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJUqKp7dEhHVfl1KjsMvaaxJZdj7fQQePqgtV//EJEyYcdm6yrHZm7TQwHam9W47kkFJ5e5EXXsp1zZPl24mBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:47:06.163909Z"},"content_sha256":"5764ab475a990d09206dfa575a003bd80e0b913597164eb347bd621c4928875f","schema_version":"1.0","event_id":"sha256:5764ab475a990d09206dfa575a003bd80e0b913597164eb347bd621c4928875f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:47RCYWL7CLRV2O72YRCKC6XEZU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Undoing static correlation: Long-range charge transfer in time-dependent density functional theory","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.chem-ph","authors_text":"Neepa T. Maitra","submitted_at":"2005-02-26T21:25:49Z","abstract_excerpt":"Long-range charge transfer excited states are notoriously badly underestimated in time-dependent density functional theory (TDDFT). We resolve how {\\it exact} TDDFT captures charge transfer between open-shell species: in particular the role of the step in the ground-state potential, and the severe frequency-dependence of the exchange-correlation kernel. An expression for the latter is derived, that becomes exact in the limit that the charge-transfer excitations are well-separated from other excitations. The exchange-correlation kernel has the task of undoing the static correlation in the groun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0502147","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/physics/0502147/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":"2026-07-04T16:57:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ADAkRt5PegX6Hba1PyklOn252leksE7wiZVU5goUkpSQ8lvmDG2BwK1jwizekAOm6McDa0/OUSfGUxX+q5tPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:47:06.164270Z"},"content_sha256":"45b2e57c0707a80c27388bcc0c32541914faadef88d642837976ddc59b4a64a8","schema_version":"1.0","event_id":"sha256:45b2e57c0707a80c27388bcc0c32541914faadef88d642837976ddc59b4a64a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/47RCYWL7CLRV2O72YRCKC6XEZU/bundle.json","state_url":"https://pith.science/pith/47RCYWL7CLRV2O72YRCKC6XEZU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/47RCYWL7CLRV2O72YRCKC6XEZU/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":"2026-07-07T13:47:06Z","links":{"resolver":"https://pith.science/pith/47RCYWL7CLRV2O72YRCKC6XEZU","bundle":"https://pith.science/pith/47RCYWL7CLRV2O72YRCKC6XEZU/bundle.json","state":"https://pith.science/pith/47RCYWL7CLRV2O72YRCKC6XEZU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/47RCYWL7CLRV2O72YRCKC6XEZU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:47RCYWL7CLRV2O72YRCKC6XEZU","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":"383fd4c0ff2defdaf8779619ae3649f85d1abfc0af6a40dfe6665050349e47dd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"physics.chem-ph","submitted_at":"2005-02-26T21:25:49Z","title_canon_sha256":"5ea4ed7df8859f2975e438c37c46eaa51ede0ff7e2404e26912e4202bd29d774"},"schema_version":"1.0","source":{"id":"physics/0502147","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0502147","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0502147v1","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0502147","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"pith_short_12","alias_value":"47RCYWL7CLRV","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"pith_short_16","alias_value":"47RCYWL7CLRV2O72","created_at":"2026-07-04T16:57:04Z"},{"alias_kind":"pith_short_8","alias_value":"47RCYWL7","created_at":"2026-07-04T16:57:04Z"}],"graph_snapshots":[{"event_id":"sha256:45b2e57c0707a80c27388bcc0c32541914faadef88d642837976ddc59b4a64a8","target":"graph","created_at":"2026-07-04T16:57:04Z","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/physics/0502147/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Long-range charge transfer excited states are notoriously badly underestimated in time-dependent density functional theory (TDDFT). We resolve how {\\it exact} TDDFT captures charge transfer between open-shell species: in particular the role of the step in the ground-state potential, and the severe frequency-dependence of the exchange-correlation kernel. An expression for the latter is derived, that becomes exact in the limit that the charge-transfer excitations are well-separated from other excitations. The exchange-correlation kernel has the task of undoing the static correlation in the groun","authors_text":"Neepa T. Maitra","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"physics.chem-ph","submitted_at":"2005-02-26T21:25:49Z","title":"Undoing static correlation: Long-range charge transfer in time-dependent density functional theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0502147","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":"sha256:5764ab475a990d09206dfa575a003bd80e0b913597164eb347bd621c4928875f","target":"record","created_at":"2026-07-04T16:57:04Z","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":"383fd4c0ff2defdaf8779619ae3649f85d1abfc0af6a40dfe6665050349e47dd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"physics.chem-ph","submitted_at":"2005-02-26T21:25:49Z","title_canon_sha256":"5ea4ed7df8859f2975e438c37c46eaa51ede0ff7e2404e26912e4202bd29d774"},"schema_version":"1.0","source":{"id":"physics/0502147","kind":"arxiv","version":1}},"canonical_sha256":"e7e22c597f12e35d3bfac444a17ae4cd0df0b5d4d27c729094b6d90828603ba0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7e22c597f12e35d3bfac444a17ae4cd0df0b5d4d27c729094b6d90828603ba0","first_computed_at":"2026-07-04T16:57:04.761615Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:57:04.761615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6qfdmHaDSstfelQLw5p0utAvZsLHoc3a1p/RWIvtbFFQhEI4TURtbMko3+aLlo1gB2R6D34jdAhRAuds3QvvCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:57:04.761971Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0502147","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5764ab475a990d09206dfa575a003bd80e0b913597164eb347bd621c4928875f","sha256:45b2e57c0707a80c27388bcc0c32541914faadef88d642837976ddc59b4a64a8"],"state_sha256":"7b8949643a3b91c19cfae8d08a9650ce73b9077f543246cc7c48e2fd9b697f29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"98j0vG3a2JHKW0nEGBKrMbQ0HR/aF88MUFS11nxAd6+iZIy9t6fLo353+4FE/0+YgvqALopdn4fkQw6CZK/JAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:47:06.166263Z","bundle_sha256":"bc543fb3d1029bc56f02a3ddbec5d6f990425401994415f468de07ef1688f2cf"}}