{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:E63SM7RT7GEIZ2BB7QZOIGJPZK","short_pith_number":"pith:E63SM7RT","canonical_record":{"source":{"id":"1404.1213","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-04T10:44:29Z","cross_cats_sorted":[],"title_canon_sha256":"898ed7f5d979a06e7f06ee18de8db50f8266ea7198c373c621e5a2fb0fb88f83","abstract_canon_sha256":"0203ad4326a62ad3984324312f9ade417b306e9d363500a7c11fe1aac9f42f6b"},"schema_version":"1.0"},"canonical_sha256":"27b7267e33f9888ce821fc32e4192fcaad861f13d1c16b35b0d3a44e23946244","source":{"kind":"arxiv","id":"1404.1213","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1213","created_at":"2026-05-18T00:41:23Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1213v2","created_at":"2026-05-18T00:41:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1213","created_at":"2026-05-18T00:41:23Z"},{"alias_kind":"pith_short_12","alias_value":"E63SM7RT7GEI","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"E63SM7RT7GEIZ2BB","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"E63SM7RT","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:E63SM7RT7GEIZ2BB7QZOIGJPZK","target":"record","payload":{"canonical_record":{"source":{"id":"1404.1213","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-04T10:44:29Z","cross_cats_sorted":[],"title_canon_sha256":"898ed7f5d979a06e7f06ee18de8db50f8266ea7198c373c621e5a2fb0fb88f83","abstract_canon_sha256":"0203ad4326a62ad3984324312f9ade417b306e9d363500a7c11fe1aac9f42f6b"},"schema_version":"1.0"},"canonical_sha256":"27b7267e33f9888ce821fc32e4192fcaad861f13d1c16b35b0d3a44e23946244","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:23.622063Z","signature_b64":"48OM/gQpDisnsUqYNQZksSL+aGse9uoz4gpogEnbnWDUF1f4pT0xRvgw2hTVj5nv5/JCFvtRYzLxHU5aYsX/BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27b7267e33f9888ce821fc32e4192fcaad861f13d1c16b35b0d3a44e23946244","last_reissued_at":"2026-05-18T00:41:23.621406Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:23.621406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.1213","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":"2026-05-18T00:41:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+bdPr/jMFkSjs8HRwqLASk+RHIS5Wo4IiFsjKIqxnP3O+XyxxYVh9S3jFZd5REiSZk4LGJiLUKpNk5yNYjh1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:42:25.723544Z"},"content_sha256":"09a30b75616edeab4a036c31eee5843783fd091aeff5685350521dcb73f160c0","schema_version":"1.0","event_id":"sha256:09a30b75616edeab4a036c31eee5843783fd091aeff5685350521dcb73f160c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:E63SM7RT7GEIZ2BB7QZOIGJPZK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Orbital ordering transition in the single-layer manganites near half doping: a weak-coupling approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Dheeraj Kumar Singh, Tetsuya Takimoto","submitted_at":"2014-04-04T10:44:29Z","abstract_excerpt":"The roles of crystal-field splitting and Jahn-Teller distortions on the orbital ordering transition are investigated in the single-layer manganites near half doping. Crystal-field splitting of energy levels favoring the $d_{3z^2-r^2}$ occupancy provides not only the correct Fermi surface topology for La$_{0.5}$Sr$_{1.5}$MnO$_4$ having a circular electron pocket around the $\\Gamma$ point, but also enhances the flatness of the hole pocket around the M point thereby improving the nesting. In the presence of the circular electron pocket, Jahn-Teller distortions are found to be crucial for the tran"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1213","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":"2026-05-18T00:41:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X+eP5n1TNJBjz49aBx428+mrA5nQGhiU7ZEfX63e1x6mUhdik9ouLQGN5bbRD/Bq6NISg/BDY6MVIjweoh7aDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:42:25.724228Z"},"content_sha256":"84ae5eb3dd67c28d79f509262fae1a272082d099a1f2c42cc1e3df7b44a3e896","schema_version":"1.0","event_id":"sha256:84ae5eb3dd67c28d79f509262fae1a272082d099a1f2c42cc1e3df7b44a3e896"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK/bundle.json","state_url":"https://pith.science/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK/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":"2026-06-08T19:42:25Z","links":{"resolver":"https://pith.science/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK","bundle":"https://pith.science/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK/bundle.json","state":"https://pith.science/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E63SM7RT7GEIZ2BB7QZOIGJPZK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:E63SM7RT7GEIZ2BB7QZOIGJPZK","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":"0203ad4326a62ad3984324312f9ade417b306e9d363500a7c11fe1aac9f42f6b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-04T10:44:29Z","title_canon_sha256":"898ed7f5d979a06e7f06ee18de8db50f8266ea7198c373c621e5a2fb0fb88f83"},"schema_version":"1.0","source":{"id":"1404.1213","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.1213","created_at":"2026-05-18T00:41:23Z"},{"alias_kind":"arxiv_version","alias_value":"1404.1213v2","created_at":"2026-05-18T00:41:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.1213","created_at":"2026-05-18T00:41:23Z"},{"alias_kind":"pith_short_12","alias_value":"E63SM7RT7GEI","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"E63SM7RT7GEIZ2BB","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"E63SM7RT","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:84ae5eb3dd67c28d79f509262fae1a272082d099a1f2c42cc1e3df7b44a3e896","target":"graph","created_at":"2026-05-18T00:41:23Z","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":"The roles of crystal-field splitting and Jahn-Teller distortions on the orbital ordering transition are investigated in the single-layer manganites near half doping. Crystal-field splitting of energy levels favoring the $d_{3z^2-r^2}$ occupancy provides not only the correct Fermi surface topology for La$_{0.5}$Sr$_{1.5}$MnO$_4$ having a circular electron pocket around the $\\Gamma$ point, but also enhances the flatness of the hole pocket around the M point thereby improving the nesting. In the presence of the circular electron pocket, Jahn-Teller distortions are found to be crucial for the tran","authors_text":"Dheeraj Kumar Singh, Tetsuya Takimoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-04T10:44:29Z","title":"Orbital ordering transition in the single-layer manganites near half doping: a weak-coupling approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.1213","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":"sha256:09a30b75616edeab4a036c31eee5843783fd091aeff5685350521dcb73f160c0","target":"record","created_at":"2026-05-18T00:41:23Z","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":"0203ad4326a62ad3984324312f9ade417b306e9d363500a7c11fe1aac9f42f6b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-04-04T10:44:29Z","title_canon_sha256":"898ed7f5d979a06e7f06ee18de8db50f8266ea7198c373c621e5a2fb0fb88f83"},"schema_version":"1.0","source":{"id":"1404.1213","kind":"arxiv","version":2}},"canonical_sha256":"27b7267e33f9888ce821fc32e4192fcaad861f13d1c16b35b0d3a44e23946244","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27b7267e33f9888ce821fc32e4192fcaad861f13d1c16b35b0d3a44e23946244","first_computed_at":"2026-05-18T00:41:23.621406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:23.621406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"48OM/gQpDisnsUqYNQZksSL+aGse9uoz4gpogEnbnWDUF1f4pT0xRvgw2hTVj5nv5/JCFvtRYzLxHU5aYsX/BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:23.622063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.1213","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09a30b75616edeab4a036c31eee5843783fd091aeff5685350521dcb73f160c0","sha256:84ae5eb3dd67c28d79f509262fae1a272082d099a1f2c42cc1e3df7b44a3e896"],"state_sha256":"0086846c53da7b08c140700db2c600cc2d0c25287b73f45fdd95f700eda1f335"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lojQHT8Mo1OIrGrkkwnAlLc9W0guFGVgycUXcYXwNZRHxTlLSLyKbgYuRHbFaIhr9gIggNUxDX4/KXR0vo56Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:42:25.728110Z","bundle_sha256":"787c15570c35472e23c2e8ef07650d6ba06d89a486328aaffe561de52d88a7f8"}}