{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:OSCJWLROQSX6LOWZUSI3OZWQLA","short_pith_number":"pith:OSCJWLRO","canonical_record":{"source":{"id":"cond-mat/0001306","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-21T07:42:58Z","cross_cats_sorted":[],"title_canon_sha256":"28ccc02ef2330832431a1be7ca1201bab93db040706fb56b7d8823c387e234c6","abstract_canon_sha256":"71287f0ed0a708edff975fac93d06240e0c41eff22e955f461b588cbae50318f"},"schema_version":"1.0"},"canonical_sha256":"74849b2e2e84afe5bad9a491b766d058215f56f3106e8eeaf13003c9a8f441fb","source":{"kind":"arxiv","id":"cond-mat/0001306","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0001306","created_at":"2026-05-18T01:40:09Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0001306v1","created_at":"2026-05-18T01:40:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0001306","created_at":"2026-05-18T01:40:09Z"},{"alias_kind":"pith_short_12","alias_value":"OSCJWLROQSX6","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"OSCJWLROQSX6LOWZ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"OSCJWLRO","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:OSCJWLROQSX6LOWZUSI3OZWQLA","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0001306","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-21T07:42:58Z","cross_cats_sorted":[],"title_canon_sha256":"28ccc02ef2330832431a1be7ca1201bab93db040706fb56b7d8823c387e234c6","abstract_canon_sha256":"71287f0ed0a708edff975fac93d06240e0c41eff22e955f461b588cbae50318f"},"schema_version":"1.0"},"canonical_sha256":"74849b2e2e84afe5bad9a491b766d058215f56f3106e8eeaf13003c9a8f441fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:09.258617Z","signature_b64":"VsuWqwNcVFKpmHKeWCIs+iNfqwfb6TTZoT0qYfwrT/JW7Cucvs5zbW4QH7mjH3RHGFKj2jj5J7C9iDNPLn6sCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74849b2e2e84afe5bad9a491b766d058215f56f3106e8eeaf13003c9a8f441fb","last_reissued_at":"2026-05-18T01:40:09.257791Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:09.257791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0001306","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":"2026-05-18T01:40:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ZJ1MCaFd+J5dBkUQ6WZGpzMCSMorAw3aveava+h0HZ4/g5wxDvTnkTzUJ3ZkyzTtk1sdNwlod+lQEGST4yGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T16:30:49.822067Z"},"content_sha256":"ef1e685de7e80058ea48ce51ef4e17f98961cff63104c62457ea7a583bb436cb","schema_version":"1.0","event_id":"sha256:ef1e685de7e80058ea48ce51ef4e17f98961cff63104c62457ea7a583bb436cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:OSCJWLROQSX6LOWZUSI3OZWQLA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron momentum distribution of a single mobile hole in the t-J model","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"2), (2) Faculty of Mathematics, Anton Ramsak (1, Igor Sega (1) ((1) J. Stefan Institute, Ljubljana, Physics, Slovenia, Slovenia), University of Ljubljana","submitted_at":"2000-01-21T07:42:58Z","abstract_excerpt":"We investigate the electron momentum distribution function (EMDF) for the two-dimensional t-J model. The results are based on the self-consistent Born approximation (SCBA) for the self-energy and the wave function. In the Ising limit of the model we give the results in a closed form, in the Heisenberg limit the results are obtained numerically. An anomalous momentum dependence of EMDF is found and the anomaly is in the lowest order in number of magnons expressed analitycally. We interpret the anomaly as a fingerprint of an emerging large Fermi surface coexisting with hole pockets."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0001306","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":""},"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":"2026-05-18T01:40:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xeCMZgh4Epz4mvfeT7FIoxZjS/+kb+63rsp4kq/oikHooNgbdyzx6hZbjP/4dalcy8cVljaTTaTeLy+8LgtbDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T16:30:49.822428Z"},"content_sha256":"5d07199dc0dbdadc4c8e641f639921c076d8369e9faf0053ff9c9f85af07a45c","schema_version":"1.0","event_id":"sha256:5d07199dc0dbdadc4c8e641f639921c076d8369e9faf0053ff9c9f85af07a45c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OSCJWLROQSX6LOWZUSI3OZWQLA/bundle.json","state_url":"https://pith.science/pith/OSCJWLROQSX6LOWZUSI3OZWQLA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OSCJWLROQSX6LOWZUSI3OZWQLA/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":"2026-05-22T16:30:49Z","links":{"resolver":"https://pith.science/pith/OSCJWLROQSX6LOWZUSI3OZWQLA","bundle":"https://pith.science/pith/OSCJWLROQSX6LOWZUSI3OZWQLA/bundle.json","state":"https://pith.science/pith/OSCJWLROQSX6LOWZUSI3OZWQLA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OSCJWLROQSX6LOWZUSI3OZWQLA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:OSCJWLROQSX6LOWZUSI3OZWQLA","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":"71287f0ed0a708edff975fac93d06240e0c41eff22e955f461b588cbae50318f","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-21T07:42:58Z","title_canon_sha256":"28ccc02ef2330832431a1be7ca1201bab93db040706fb56b7d8823c387e234c6"},"schema_version":"1.0","source":{"id":"cond-mat/0001306","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0001306","created_at":"2026-05-18T01:40:09Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0001306v1","created_at":"2026-05-18T01:40:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0001306","created_at":"2026-05-18T01:40:09Z"},{"alias_kind":"pith_short_12","alias_value":"OSCJWLROQSX6","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"OSCJWLROQSX6LOWZ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"OSCJWLRO","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:5d07199dc0dbdadc4c8e641f639921c076d8369e9faf0053ff9c9f85af07a45c","target":"graph","created_at":"2026-05-18T01:40:09Z","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 investigate the electron momentum distribution function (EMDF) for the two-dimensional t-J model. The results are based on the self-consistent Born approximation (SCBA) for the self-energy and the wave function. In the Ising limit of the model we give the results in a closed form, in the Heisenberg limit the results are obtained numerically. An anomalous momentum dependence of EMDF is found and the anomaly is in the lowest order in number of magnons expressed analitycally. We interpret the anomaly as a fingerprint of an emerging large Fermi surface coexisting with hole pockets.","authors_text":"2), (2) Faculty of Mathematics, Anton Ramsak (1, Igor Sega (1) ((1) J. Stefan Institute, Ljubljana, Physics, Slovenia, Slovenia), University of Ljubljana","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-21T07:42:58Z","title":"Electron momentum distribution of a single mobile hole in the t-J model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0001306","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:ef1e685de7e80058ea48ce51ef4e17f98961cff63104c62457ea7a583bb436cb","target":"record","created_at":"2026-05-18T01:40:09Z","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":"71287f0ed0a708edff975fac93d06240e0c41eff22e955f461b588cbae50318f","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-21T07:42:58Z","title_canon_sha256":"28ccc02ef2330832431a1be7ca1201bab93db040706fb56b7d8823c387e234c6"},"schema_version":"1.0","source":{"id":"cond-mat/0001306","kind":"arxiv","version":1}},"canonical_sha256":"74849b2e2e84afe5bad9a491b766d058215f56f3106e8eeaf13003c9a8f441fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74849b2e2e84afe5bad9a491b766d058215f56f3106e8eeaf13003c9a8f441fb","first_computed_at":"2026-05-18T01:40:09.257791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:09.257791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VsuWqwNcVFKpmHKeWCIs+iNfqwfb6TTZoT0qYfwrT/JW7Cucvs5zbW4QH7mjH3RHGFKj2jj5J7C9iDNPLn6sCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:09.258617Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0001306","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef1e685de7e80058ea48ce51ef4e17f98961cff63104c62457ea7a583bb436cb","sha256:5d07199dc0dbdadc4c8e641f639921c076d8369e9faf0053ff9c9f85af07a45c"],"state_sha256":"4c20ff8222ba539fc667a014d4fb4e087cb05e265255137be70e15bc05745036"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sksDAuPjuTJFH/FV9epd/pCu/jowStOsz3RMPvsAQf4dent7a90WVxGAhb+ijeQWknI+XCfqsf5xGsDMesR5Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T16:30:49.824644Z","bundle_sha256":"31998b078ffe0a5c68a6d96f7a075e648f627018fd89ac84408193b64e894c46"}}