{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:NMBT4G3RGROLR4ZICZ4NHN2434","short_pith_number":"pith:NMBT4G3R","canonical_record":{"source":{"id":"cond-mat/9505147","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-05-29T18:08:37Z","cross_cats_sorted":[],"title_canon_sha256":"333a5d7be344c81e0bfbeb0703c6c67a90c317e181d723199a7a36a797007ef3","abstract_canon_sha256":"7929eb2defa47d105ae5fc54d50214e7d19a5829a97f004beaefdb274f2e61fd"},"schema_version":"1.0"},"canonical_sha256":"6b033e1b71345cb8f3281678d3b75cdf0d351c2ecc31a1071b4b989745bcbd45","source":{"kind":"arxiv","id":"cond-mat/9505147","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9505147","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9505147v1","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9505147","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"pith_short_12","alias_value":"NMBT4G3RGROL","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"NMBT4G3RGROLR4ZI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"NMBT4G3R","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:NMBT4G3RGROLR4ZICZ4NHN2434","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9505147","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-05-29T18:08:37Z","cross_cats_sorted":[],"title_canon_sha256":"333a5d7be344c81e0bfbeb0703c6c67a90c317e181d723199a7a36a797007ef3","abstract_canon_sha256":"7929eb2defa47d105ae5fc54d50214e7d19a5829a97f004beaefdb274f2e61fd"},"schema_version":"1.0"},"canonical_sha256":"6b033e1b71345cb8f3281678d3b75cdf0d351c2ecc31a1071b4b989745bcbd45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:35.066848Z","signature_b64":"jVs61RrPh4lIsNBTe6A++qRRAOKzGu9sUPCOrkRJxr2BGxm/8XrsgICY8T7s/hDaCnIzNwHeAp9xydZ+ks9LDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b033e1b71345cb8f3281678d3b75cdf0d351c2ecc31a1071b4b989745bcbd45","last_reissued_at":"2026-05-18T01:39:35.066206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:35.066206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9505147","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":"2026-05-18T01:39:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KqZMR+9YzZ8NnHsc9H/TeTuJ1/7l9n4Obc3ws4H2HF+NFqc4gNio0+kgzaRy/VsC/0ASHNt+pK8271OjcZjCBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:18:13.310776Z"},"content_sha256":"ad60ce7e7c58eabd6fd10e09f8b9ed087dc00625f213d74f505782c467335b27","schema_version":"1.0","event_id":"sha256:ad60ce7e7c58eabd6fd10e09f8b9ed087dc00625f213d74f505782c467335b27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:NMBT4G3RGROLR4ZICZ4NHN2434","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Correlated-Electron Theory of Strongly Anisotropic Metamagnets","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"D. Vollhardt, K. Held, M. Ulmke","submitted_at":"1995-05-29T18:08:37Z","abstract_excerpt":"We present the first correlated-electron theory of metamagnetism in strongly anisotropic antiferromagnets. Quantum-Monte-Carlo techniques are used to calculate the field vs. temperature phase diagram of the infinite-dimensional Hubbard model with easy axis. A metamagnetic transition scenario with 1.~order and 2.~order phase transitions is found. The apparent similarities to the phase diagram of FeBr$_2$ and to mean-field results for the Ising model with competing interactions are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9505147","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":"2026-05-18T01:39:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZIHwODtHaWEuEbETgJxR5AZD57tbS7EvIzvswI/d4rk6d9SGReE3IuFi29bepv+QNiz4FQW5jd86tEKIjC3DCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:18:13.311421Z"},"content_sha256":"f3e18c1eaa81779d5943c59d576fe640821d9cf2a4dcd92659f4bc022a4777c7","schema_version":"1.0","event_id":"sha256:f3e18c1eaa81779d5943c59d576fe640821d9cf2a4dcd92659f4bc022a4777c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NMBT4G3RGROLR4ZICZ4NHN2434/bundle.json","state_url":"https://pith.science/pith/NMBT4G3RGROLR4ZICZ4NHN2434/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NMBT4G3RGROLR4ZICZ4NHN2434/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":"2026-06-06T19:18:13Z","links":{"resolver":"https://pith.science/pith/NMBT4G3RGROLR4ZICZ4NHN2434","bundle":"https://pith.science/pith/NMBT4G3RGROLR4ZICZ4NHN2434/bundle.json","state":"https://pith.science/pith/NMBT4G3RGROLR4ZICZ4NHN2434/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NMBT4G3RGROLR4ZICZ4NHN2434/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:NMBT4G3RGROLR4ZICZ4NHN2434","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":"7929eb2defa47d105ae5fc54d50214e7d19a5829a97f004beaefdb274f2e61fd","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1995-05-29T18:08:37Z","title_canon_sha256":"333a5d7be344c81e0bfbeb0703c6c67a90c317e181d723199a7a36a797007ef3"},"schema_version":"1.0","source":{"id":"cond-mat/9505147","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9505147","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9505147v1","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9505147","created_at":"2026-05-18T01:39:35Z"},{"alias_kind":"pith_short_12","alias_value":"NMBT4G3RGROL","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"NMBT4G3RGROLR4ZI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"NMBT4G3R","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:f3e18c1eaa81779d5943c59d576fe640821d9cf2a4dcd92659f4bc022a4777c7","target":"graph","created_at":"2026-05-18T01:39:35Z","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 present the first correlated-electron theory of metamagnetism in strongly anisotropic antiferromagnets. Quantum-Monte-Carlo techniques are used to calculate the field vs. temperature phase diagram of the infinite-dimensional Hubbard model with easy axis. A metamagnetic transition scenario with 1.~order and 2.~order phase transitions is found. The apparent similarities to the phase diagram of FeBr$_2$ and to mean-field results for the Ising model with competing interactions are discussed.","authors_text":"D. Vollhardt, K. Held, M. Ulmke","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1995-05-29T18:08:37Z","title":"Correlated-Electron Theory of Strongly Anisotropic Metamagnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9505147","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:ad60ce7e7c58eabd6fd10e09f8b9ed087dc00625f213d74f505782c467335b27","target":"record","created_at":"2026-05-18T01:39:35Z","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":"7929eb2defa47d105ae5fc54d50214e7d19a5829a97f004beaefdb274f2e61fd","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1995-05-29T18:08:37Z","title_canon_sha256":"333a5d7be344c81e0bfbeb0703c6c67a90c317e181d723199a7a36a797007ef3"},"schema_version":"1.0","source":{"id":"cond-mat/9505147","kind":"arxiv","version":1}},"canonical_sha256":"6b033e1b71345cb8f3281678d3b75cdf0d351c2ecc31a1071b4b989745bcbd45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b033e1b71345cb8f3281678d3b75cdf0d351c2ecc31a1071b4b989745bcbd45","first_computed_at":"2026-05-18T01:39:35.066206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:35.066206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jVs61RrPh4lIsNBTe6A++qRRAOKzGu9sUPCOrkRJxr2BGxm/8XrsgICY8T7s/hDaCnIzNwHeAp9xydZ+ks9LDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:35.066848Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9505147","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad60ce7e7c58eabd6fd10e09f8b9ed087dc00625f213d74f505782c467335b27","sha256:f3e18c1eaa81779d5943c59d576fe640821d9cf2a4dcd92659f4bc022a4777c7"],"state_sha256":"4ecd96e96678574354277886265230e16abd10c3436608995ab49f1b8149cbb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NaSy68xBGs/4uydVQHg/eF48jzCICiFi6o/+ZZCNWowglot5Q+DAcWjJaWPtFdkL7XkA9ZsFJzwyd6Qjv81GDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:18:13.314516Z","bundle_sha256":"b005b9b0de28853f3c2fe7bb150eda3077c2283b7bbe471d11121f0f18ab1b74"}}