{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:RBJWHVMRFAZGVJTY7A4KD3EGFU","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":"95c2865daca78c596e96f27337183ce6543f8eda953cca1b2993460436a71059","cross_cats_sorted":["cond-mat.stat-mech"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-27T16:41:04Z","title_canon_sha256":"712f1c4d57dcad80e56e9fa20a50a0353ba36d4d6e6b54adff09ae7338b62635"},"schema_version":"1.0","source":{"id":"cond-mat/0402683","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0402683","created_at":"2026-07-04T16:45:51Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0402683v1","created_at":"2026-07-04T16:45:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0402683","created_at":"2026-07-04T16:45:51Z"},{"alias_kind":"pith_short_12","alias_value":"RBJWHVMRFAZG","created_at":"2026-07-04T16:45:51Z"},{"alias_kind":"pith_short_16","alias_value":"RBJWHVMRFAZGVJTY","created_at":"2026-07-04T16:45:51Z"},{"alias_kind":"pith_short_8","alias_value":"RBJWHVMR","created_at":"2026-07-04T16:45:51Z"}],"graph_snapshots":[{"event_id":"sha256:82cb498f9e957bd72bade99665e70d5818be2c29eb39f293d2c00ef823915112","target":"graph","created_at":"2026-07-04T16:45:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0402683/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The phase diagram of the simplest approximation to Double-Exchange systems, the bosonic Double-Exchange model with antiferromagnetic super-exchange coupling, is fully worked out by means of Monte Carlo simulations, large-N expansions and Variational Mean-Field calculations. We find a rich phase diagram, with no first-order phase transitions. The most surprising finding is the existence of a segment like ordered phase at low temperature for intermediate AFM coupling which cannot be detected in neutron-scattering experiments. This is signaled by a maximum (a cusp) in the specific heat. Below the","authors_text":"A. Cruz, A. Tarancon, J. J. Ruiz-Lorenzo, J. L. Alonso, L. A. Fernandez, S. Jimenez, V. Martin-Mayor","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-27T16:41:04Z","title":"Phase diagram of the (bosonic) Double-Exchange Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0402683","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:f8b9f3baf6be1326b144215e3be5e17cd9e4e2ea230618e5293fe1a4086acb0e","target":"record","created_at":"2026-07-04T16:45:51Z","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":"95c2865daca78c596e96f27337183ce6543f8eda953cca1b2993460436a71059","cross_cats_sorted":["cond-mat.stat-mech"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-27T16:41:04Z","title_canon_sha256":"712f1c4d57dcad80e56e9fa20a50a0353ba36d4d6e6b54adff09ae7338b62635"},"schema_version":"1.0","source":{"id":"cond-mat/0402683","kind":"arxiv","version":1}},"canonical_sha256":"885363d59128326aa678f838a1ec862d1b76bcefd838ad944a5f4fb0f680a334","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"885363d59128326aa678f838a1ec862d1b76bcefd838ad944a5f4fb0f680a334","first_computed_at":"2026-07-04T16:45:51.352781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:45:51.352781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vbweSM79SU6EsoORDwZc0djqGMHz6NbSrEzZStwIywBSjgbuXa3LuGz0pbLo/q0Fhg6OxnWgAgi0NNPYob/6CA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:45:51.353136Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0402683","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8b9f3baf6be1326b144215e3be5e17cd9e4e2ea230618e5293fe1a4086acb0e","sha256:82cb498f9e957bd72bade99665e70d5818be2c29eb39f293d2c00ef823915112"],"state_sha256":"d30791d0f1d05a2d049e802e73766b8c93c6b2f7353bad980e1d13019b9d798d"}