{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:3L7IYLMGBBN7FVNXPK77J5SGLN","short_pith_number":"pith:3L7IYLMG","canonical_record":{"source":{"id":"cond-mat/9806106","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1998-06-08T18:13:40Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"5934dca948ef38a62a62da4b7300c5b7b33e922e20d91f674424fb1d04801ae3","abstract_canon_sha256":"e2ad5facddc8e8597bfe90f3c90dde7f4a8daae82b8a36b8a899e77858d758ff"},"schema_version":"1.0"},"canonical_sha256":"dafe8c2d86085bf2d5b77abff4f6465b64a173033eb1cc8496b7de5c1499b056","source":{"kind":"arxiv","id":"cond-mat/9806106","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9806106","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9806106v2","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9806106","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"3L7IYLMGBBN7","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3L7IYLMGBBN7FVNX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3L7IYLMG","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:3L7IYLMGBBN7FVNXPK77J5SGLN","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9806106","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1998-06-08T18:13:40Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"5934dca948ef38a62a62da4b7300c5b7b33e922e20d91f674424fb1d04801ae3","abstract_canon_sha256":"e2ad5facddc8e8597bfe90f3c90dde7f4a8daae82b8a36b8a899e77858d758ff"},"schema_version":"1.0"},"canonical_sha256":"dafe8c2d86085bf2d5b77abff4f6465b64a173033eb1cc8496b7de5c1499b056","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:20.049193Z","signature_b64":"YiLx1OyldPgs64imZppGl1be3YFHJM8ug52Lyd/9Hhc4y7fUZU87IIUHpZ8PNc5d6g//NnlmDzwRiMOmYG9EAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dafe8c2d86085bf2d5b77abff4f6465b64a173033eb1cc8496b7de5c1499b056","last_reissued_at":"2026-05-18T01:09:20.048533Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:20.048533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9806106","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":"2026-05-18T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P6hCXOPnifUukhAfh8eWqPWuZRnN597VHPwLrNpSPHj/xbEMQ2NV8+r0QemJsg5KN+/J5OP26ZguSq4cz8VXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T04:00:04.071207Z"},"content_sha256":"56386b00cb2cd7321aa23b062ad10db73ba4c1ce5f3f1c5203aae653d188a0bf","schema_version":"1.0","event_id":"sha256:56386b00cb2cd7321aa23b062ad10db73ba4c1ce5f3f1c5203aae653d188a0bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:3L7IYLMGBBN7FVNXPK77J5SGLN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exact Solution of a Electron System Combining Two Different t-J Models","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"cond-mat","authors_text":"J. Abad, M. R\\'ios","submitted_at":"1998-06-08T18:13:40Z","abstract_excerpt":"A new strongly correlated electron model is presented. This is formed by two types of sites: one where double occupancy is forbidden, as in the t-J model, and the other where double occupancy is allowed but vacancy is not allowed, as an inverse t-J model. The Hamiltonian shows nearest and next-to-nearest neighbour interactions and it is solved by means of a modified algebraic nested Bethe Ansatz. The number of sites where vacancy is not allowed, may be treated as a new parameter if the model is looked at as a t-J model with impurities. The ground and excited states are described in the thermod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9806106","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":"2026-05-18T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hMItFQPoUFjFG/xRp7bS7wZNToM9Kg72KbJfo8TqX1j8rwHdPYipuPGq3Ug9IZAb8EkihH/mmlhuGZNMlL6GBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T04:00:04.071568Z"},"content_sha256":"1d7cff67fcc45b0a1d156c6e485dcab77118d86a8c0297dd2dd0ba19169bee25","schema_version":"1.0","event_id":"sha256:1d7cff67fcc45b0a1d156c6e485dcab77118d86a8c0297dd2dd0ba19169bee25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3L7IYLMGBBN7FVNXPK77J5SGLN/bundle.json","state_url":"https://pith.science/pith/3L7IYLMGBBN7FVNXPK77J5SGLN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3L7IYLMGBBN7FVNXPK77J5SGLN/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":"2026-06-28T04:00:04Z","links":{"resolver":"https://pith.science/pith/3L7IYLMGBBN7FVNXPK77J5SGLN","bundle":"https://pith.science/pith/3L7IYLMGBBN7FVNXPK77J5SGLN/bundle.json","state":"https://pith.science/pith/3L7IYLMGBBN7FVNXPK77J5SGLN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3L7IYLMGBBN7FVNXPK77J5SGLN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:3L7IYLMGBBN7FVNXPK77J5SGLN","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":"e2ad5facddc8e8597bfe90f3c90dde7f4a8daae82b8a36b8a899e77858d758ff","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"cond-mat","submitted_at":"1998-06-08T18:13:40Z","title_canon_sha256":"5934dca948ef38a62a62da4b7300c5b7b33e922e20d91f674424fb1d04801ae3"},"schema_version":"1.0","source":{"id":"cond-mat/9806106","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9806106","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9806106v2","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9806106","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"3L7IYLMGBBN7","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3L7IYLMGBBN7FVNX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3L7IYLMG","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:1d7cff67fcc45b0a1d156c6e485dcab77118d86a8c0297dd2dd0ba19169bee25","target":"graph","created_at":"2026-05-18T01:09:20Z","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":"A new strongly correlated electron model is presented. This is formed by two types of sites: one where double occupancy is forbidden, as in the t-J model, and the other where double occupancy is allowed but vacancy is not allowed, as an inverse t-J model. The Hamiltonian shows nearest and next-to-nearest neighbour interactions and it is solved by means of a modified algebraic nested Bethe Ansatz. The number of sites where vacancy is not allowed, may be treated as a new parameter if the model is looked at as a t-J model with impurities. The ground and excited states are described in the thermod","authors_text":"J. Abad, M. R\\'ios","cross_cats":["hep-th"],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1998-06-08T18:13:40Z","title":"Exact Solution of a Electron System Combining Two Different t-J Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9806106","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":"sha256:56386b00cb2cd7321aa23b062ad10db73ba4c1ce5f3f1c5203aae653d188a0bf","target":"record","created_at":"2026-05-18T01:09:20Z","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":"e2ad5facddc8e8597bfe90f3c90dde7f4a8daae82b8a36b8a899e77858d758ff","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"cond-mat","submitted_at":"1998-06-08T18:13:40Z","title_canon_sha256":"5934dca948ef38a62a62da4b7300c5b7b33e922e20d91f674424fb1d04801ae3"},"schema_version":"1.0","source":{"id":"cond-mat/9806106","kind":"arxiv","version":2}},"canonical_sha256":"dafe8c2d86085bf2d5b77abff4f6465b64a173033eb1cc8496b7de5c1499b056","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dafe8c2d86085bf2d5b77abff4f6465b64a173033eb1cc8496b7de5c1499b056","first_computed_at":"2026-05-18T01:09:20.048533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:20.048533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YiLx1OyldPgs64imZppGl1be3YFHJM8ug52Lyd/9Hhc4y7fUZU87IIUHpZ8PNc5d6g//NnlmDzwRiMOmYG9EAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:20.049193Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9806106","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56386b00cb2cd7321aa23b062ad10db73ba4c1ce5f3f1c5203aae653d188a0bf","sha256:1d7cff67fcc45b0a1d156c6e485dcab77118d86a8c0297dd2dd0ba19169bee25"],"state_sha256":"d50fb9f93f4f14509b653f4edd7f93d3781b9a6f8a7a7878da77e8184929632d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q2iBkK3AhKC/AcGaru7r8dRvZ2SCmuYaXtpDP/h6mvnDBzHPV+7a0fXNYghyIRODDRjCwhh/faQWerHVBGMQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T04:00:04.073546Z","bundle_sha256":"68f86ada43934f33bebe0dc2954ac2f40103f92cf802fe564c2921d43c18faea"}}