{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:YI56YO6ON5DDVAPGYU4PLG5GFZ","short_pith_number":"pith:YI56YO6O","canonical_record":{"source":{"id":"0812.2595","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-12-14T00:38:04Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d38866e62533a246018eaba72db70e13d3881077caf6647b4894d0533a1f6fe6","abstract_canon_sha256":"7743adfc429e44ae1f8d4181cdb7761c87c2a662280df0e19d0e872b08f05577"},"schema_version":"1.0"},"canonical_sha256":"c23bec3bce6f463a81e6c538f59ba62e7caffd78e33cef8ff75860414407908c","source":{"kind":"arxiv","id":"0812.2595","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.2595","created_at":"2026-05-18T03:24:08Z"},{"alias_kind":"arxiv_version","alias_value":"0812.2595v2","created_at":"2026-05-18T03:24:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.2595","created_at":"2026-05-18T03:24:08Z"},{"alias_kind":"pith_short_12","alias_value":"YI56YO6ON5DD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"YI56YO6ON5DDVAPG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"YI56YO6O","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:YI56YO6ON5DDVAPGYU4PLG5GFZ","target":"record","payload":{"canonical_record":{"source":{"id":"0812.2595","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-12-14T00:38:04Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d38866e62533a246018eaba72db70e13d3881077caf6647b4894d0533a1f6fe6","abstract_canon_sha256":"7743adfc429e44ae1f8d4181cdb7761c87c2a662280df0e19d0e872b08f05577"},"schema_version":"1.0"},"canonical_sha256":"c23bec3bce6f463a81e6c538f59ba62e7caffd78e33cef8ff75860414407908c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:08.785544Z","signature_b64":"zG7xSci9wkLVp/tWWBVi9jW+oo8YM0f+1P7poR6998pw7wFs6KG5TMfXXBZkzU1XXVOvP7feklMTP9Ju3beuDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c23bec3bce6f463a81e6c538f59ba62e7caffd78e33cef8ff75860414407908c","last_reissued_at":"2026-05-18T03:24:08.784653Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:08.784653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.2595","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":"2026-05-18T03:24:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NobVXb8wvPwRx0cShp4RkY9wb+GuRNSqp1ACr+0XaZRztjAzO73IxXWe+SkfzuKVro9lDM5hPKhrD6t5/MU+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T08:06:53.110530Z"},"content_sha256":"ed30575d31bc2562bd332140649e00a35aaa3f41fe6e12b6635ed8ec0c75fc33","schema_version":"1.0","event_id":"sha256:ed30575d31bc2562bd332140649e00a35aaa3f41fe6e12b6635ed8ec0c75fc33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:YI56YO6ON5DDVAPGYU4PLG5GFZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impurity Potential Renormalization by Strong Electron Correlation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Chung-Pin Chou, Noboru Fukushima, Ting Kuo Lee","submitted_at":"2008-12-14T00:38:04Z","abstract_excerpt":"Renormalization of non-magnetic impurity potential by strong electron correlation is investigated in detail. We adopt the t-t'-t\"-J model and consider mainly a delta-function impurity potential. The variational Monte Carlo method shows that impurity potential scattering matrix elements between Gutzwiller-projected quasi-particle excited states are as strongly renormalized as the hopping terms. Such renormalization is also seen by the Bogoliubov-de Gennes equation with an impurity, where the strong correlation is treated by a Gutzwiller mean-field theory with local Gutzwiller factors and local "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.2595","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":""},"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":"2026-05-18T03:24:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/cs69h/QnWB9/Sobl9H+NGDTcfBuCYvLWx7bTgHjDrKMVPG2k3vVC4DHgB408BvwAW8e+Sxux1DblzyrnxghDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T08:06:53.110878Z"},"content_sha256":"737cc3d274a165084b5ec8ee8af63fc20e3e7587673a199ee226413117fd348b","schema_version":"1.0","event_id":"sha256:737cc3d274a165084b5ec8ee8af63fc20e3e7587673a199ee226413117fd348b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ/bundle.json","state_url":"https://pith.science/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ/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":"2026-06-24T08:06:53Z","links":{"resolver":"https://pith.science/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ","bundle":"https://pith.science/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ/bundle.json","state":"https://pith.science/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YI56YO6ON5DDVAPGYU4PLG5GFZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:YI56YO6ON5DDVAPGYU4PLG5GFZ","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":"7743adfc429e44ae1f8d4181cdb7761c87c2a662280df0e19d0e872b08f05577","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-12-14T00:38:04Z","title_canon_sha256":"d38866e62533a246018eaba72db70e13d3881077caf6647b4894d0533a1f6fe6"},"schema_version":"1.0","source":{"id":"0812.2595","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.2595","created_at":"2026-05-18T03:24:08Z"},{"alias_kind":"arxiv_version","alias_value":"0812.2595v2","created_at":"2026-05-18T03:24:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.2595","created_at":"2026-05-18T03:24:08Z"},{"alias_kind":"pith_short_12","alias_value":"YI56YO6ON5DD","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"YI56YO6ON5DDVAPG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"YI56YO6O","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:737cc3d274a165084b5ec8ee8af63fc20e3e7587673a199ee226413117fd348b","target":"graph","created_at":"2026-05-18T03:24:08Z","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":"Renormalization of non-magnetic impurity potential by strong electron correlation is investigated in detail. We adopt the t-t'-t\"-J model and consider mainly a delta-function impurity potential. The variational Monte Carlo method shows that impurity potential scattering matrix elements between Gutzwiller-projected quasi-particle excited states are as strongly renormalized as the hopping terms. Such renormalization is also seen by the Bogoliubov-de Gennes equation with an impurity, where the strong correlation is treated by a Gutzwiller mean-field theory with local Gutzwiller factors and local ","authors_text":"Chung-Pin Chou, Noboru Fukushima, Ting Kuo Lee","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-12-14T00:38:04Z","title":"Impurity Potential Renormalization by Strong Electron Correlation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.2595","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:ed30575d31bc2562bd332140649e00a35aaa3f41fe6e12b6635ed8ec0c75fc33","target":"record","created_at":"2026-05-18T03:24:08Z","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":"7743adfc429e44ae1f8d4181cdb7761c87c2a662280df0e19d0e872b08f05577","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-12-14T00:38:04Z","title_canon_sha256":"d38866e62533a246018eaba72db70e13d3881077caf6647b4894d0533a1f6fe6"},"schema_version":"1.0","source":{"id":"0812.2595","kind":"arxiv","version":2}},"canonical_sha256":"c23bec3bce6f463a81e6c538f59ba62e7caffd78e33cef8ff75860414407908c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c23bec3bce6f463a81e6c538f59ba62e7caffd78e33cef8ff75860414407908c","first_computed_at":"2026-05-18T03:24:08.784653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:08.784653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zG7xSci9wkLVp/tWWBVi9jW+oo8YM0f+1P7poR6998pw7wFs6KG5TMfXXBZkzU1XXVOvP7feklMTP9Ju3beuDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:08.785544Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.2595","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed30575d31bc2562bd332140649e00a35aaa3f41fe6e12b6635ed8ec0c75fc33","sha256:737cc3d274a165084b5ec8ee8af63fc20e3e7587673a199ee226413117fd348b"],"state_sha256":"68a35591947a9945d1fdee293fa29d69e3681945a45b97bfb7f5b6a3fd98d4d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l6NUsfGBxsjg7lhusDL/OIZkpS3ieRGFFhZMrLCgei5ly2MV6hOh1tDxGJrEOyYfgQ5aBhqDXqz7XhCrnezoBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T08:06:53.112839Z","bundle_sha256":"8b9a93be8b4eb759f5375acbe9dd5f75e83e47109127b90a34cbae020e5425ce"}}