{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:73XTZCQUMFVWAXVYWGHVPEJ6CO","short_pith_number":"pith:73XTZCQU","canonical_record":{"source":{"id":"0906.2035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-06-11T02:19:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"164ae2dc18ee8fff23c56894e00696b51725b880df1f5d6a2eaa52c1b360ae13","abstract_canon_sha256":"291b4fb264fb73fb79c1387d5ff8979c6aa829c0fe1e3516fcf854576bb3c42a"},"schema_version":"1.0"},"canonical_sha256":"feef3c8a14616b605eb8b18f57913e13a53cdeedc59bb04de0afee9a08d5d40e","source":{"kind":"arxiv","id":"0906.2035","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.2035","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"0906.2035v1","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.2035","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"73XTZCQUMFVW","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"73XTZCQUMFVWAXVY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"73XTZCQU","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:73XTZCQUMFVWAXVYWGHVPEJ6CO","target":"record","payload":{"canonical_record":{"source":{"id":"0906.2035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-06-11T02:19:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"164ae2dc18ee8fff23c56894e00696b51725b880df1f5d6a2eaa52c1b360ae13","abstract_canon_sha256":"291b4fb264fb73fb79c1387d5ff8979c6aa829c0fe1e3516fcf854576bb3c42a"},"schema_version":"1.0"},"canonical_sha256":"feef3c8a14616b605eb8b18f57913e13a53cdeedc59bb04de0afee9a08d5d40e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:20.841048Z","signature_b64":"lpURoYjrtDfqohxWR4S9lOSgPS2DP0QLLb7yU4cvL2PnirStznrLPAVFpn2qcyeCF6dyrNZlVTRnkNnkXfNdDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"feef3c8a14616b605eb8b18f57913e13a53cdeedc59bb04de0afee9a08d5d40e","last_reissued_at":"2026-05-18T02:13:20.840620Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:20.840620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.2035","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":"2026-05-18T02:13:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/yFjsalO/WvO2CPM23wDWe7Q6FpWbgvBBsd7xKBAGGFovX/wQEkYfJ1Y+0y+VHUrg71tD00sFjXHI5IEv2DWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:45:57.882814Z"},"content_sha256":"e5dd5c05e21a54e43df61a3421b5887614a26335e96965fea5891b8f7c4a8c9e","schema_version":"1.0","event_id":"sha256:e5dd5c05e21a54e43df61a3421b5887614a26335e96965fea5891b8f7c4a8c9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:73XTZCQUMFVWAXVYWGHVPEJ6CO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superexchange Interactions in Orthorhombically Distorted Titanates RTiO3 (R= Y, Gd, Sm, and La)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"I. V. Solovyev","submitted_at":"2009-06-11T02:19:36Z","abstract_excerpt":"Starting from the multiorbital Hubbard model for the t2g-bands of RTiO3 (R= Y, Gd, Sm, and La), where all parameters have been derived from the first-principles calculations, we construct an effective superexchange (SE) spin model, by treating transfer integrals as a perturbation. We consider four approximations for the SE interactions: (i) the canonical crystal-field (CF) theory, where the form of the the occupied t2g-orbitals is dictated by the CF splitting, and three extensions, namely (ii) the relativistic one, where occupied orbitals are confined within the lowest Kramers doublet obtained"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.2035","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":"2026-05-18T02:13:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TJrh5GWyvjgnt5814nlJM0aFYoKEiK9mSTBxbIInWkR+vD6rCbyAvuEhS/Ol8rpwJb7ZjxCkriaMF56bTfZ8BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:45:57.883156Z"},"content_sha256":"5817f8c7bf2ee9541b5a18279a4ac6565f455a949ef33613ea5c3c4cadf62170","schema_version":"1.0","event_id":"sha256:5817f8c7bf2ee9541b5a18279a4ac6565f455a949ef33613ea5c3c4cadf62170"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO/bundle.json","state_url":"https://pith.science/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO/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":"2026-06-03T20:45:57Z","links":{"resolver":"https://pith.science/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO","bundle":"https://pith.science/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO/bundle.json","state":"https://pith.science/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/73XTZCQUMFVWAXVYWGHVPEJ6CO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:73XTZCQUMFVWAXVYWGHVPEJ6CO","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":"291b4fb264fb73fb79c1387d5ff8979c6aa829c0fe1e3516fcf854576bb3c42a","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-06-11T02:19:36Z","title_canon_sha256":"164ae2dc18ee8fff23c56894e00696b51725b880df1f5d6a2eaa52c1b360ae13"},"schema_version":"1.0","source":{"id":"0906.2035","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.2035","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"0906.2035v1","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.2035","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"73XTZCQUMFVW","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"73XTZCQUMFVWAXVY","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"73XTZCQU","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:5817f8c7bf2ee9541b5a18279a4ac6565f455a949ef33613ea5c3c4cadf62170","target":"graph","created_at":"2026-05-18T02:13:20Z","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":"Starting from the multiorbital Hubbard model for the t2g-bands of RTiO3 (R= Y, Gd, Sm, and La), where all parameters have been derived from the first-principles calculations, we construct an effective superexchange (SE) spin model, by treating transfer integrals as a perturbation. We consider four approximations for the SE interactions: (i) the canonical crystal-field (CF) theory, where the form of the the occupied t2g-orbitals is dictated by the CF splitting, and three extensions, namely (ii) the relativistic one, where occupied orbitals are confined within the lowest Kramers doublet obtained","authors_text":"I. V. Solovyev","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-06-11T02:19:36Z","title":"Superexchange Interactions in Orthorhombically Distorted Titanates RTiO3 (R= Y, Gd, Sm, and La)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.2035","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:e5dd5c05e21a54e43df61a3421b5887614a26335e96965fea5891b8f7c4a8c9e","target":"record","created_at":"2026-05-18T02:13:20Z","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":"291b4fb264fb73fb79c1387d5ff8979c6aa829c0fe1e3516fcf854576bb3c42a","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-06-11T02:19:36Z","title_canon_sha256":"164ae2dc18ee8fff23c56894e00696b51725b880df1f5d6a2eaa52c1b360ae13"},"schema_version":"1.0","source":{"id":"0906.2035","kind":"arxiv","version":1}},"canonical_sha256":"feef3c8a14616b605eb8b18f57913e13a53cdeedc59bb04de0afee9a08d5d40e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"feef3c8a14616b605eb8b18f57913e13a53cdeedc59bb04de0afee9a08d5d40e","first_computed_at":"2026-05-18T02:13:20.840620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:20.840620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lpURoYjrtDfqohxWR4S9lOSgPS2DP0QLLb7yU4cvL2PnirStznrLPAVFpn2qcyeCF6dyrNZlVTRnkNnkXfNdDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:20.841048Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.2035","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5dd5c05e21a54e43df61a3421b5887614a26335e96965fea5891b8f7c4a8c9e","sha256:5817f8c7bf2ee9541b5a18279a4ac6565f455a949ef33613ea5c3c4cadf62170"],"state_sha256":"a2f6dddcf0b456e21ca4241e75e22aecdceb6332db9d0f7017d261083471fa05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IxJD2oBswyF6DtypSVAoVkDKpIjInETjpV+/TT6Vkg2Q3+He3tMjqA3ZjnU8bHqnVZseJTLJnT7AvbaW7VcuCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T20:45:57.885089Z","bundle_sha256":"6e3260fe81beff6aaf89affb155d1de5abf10ba2179eff667feda3a44b7e7e1c"}}