{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:2TDWFWMWM4S3L3RHFBH43YMYUS","short_pith_number":"pith:2TDWFWMW","canonical_record":{"source":{"id":"2002.02548","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-02-06T23:04:32Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"cfa4ade9f95e4e3a1592220e5a95224a1d6a3f68eea970c43a0f9ff66d767c4f","abstract_canon_sha256":"b9344beae4b988cf2d70acb346cfdd53f03e6d9e92eb4a718ed0e3b2de77807a"},"schema_version":"1.0"},"canonical_sha256":"d4c762d9966725b5ee27284fcde198a4b1f0d265fc26c0c324690f332b700ed8","source":{"kind":"arxiv","id":"2002.02548","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.02548","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"arxiv_version","alias_value":"2002.02548v2","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.02548","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"pith_short_12","alias_value":"2TDWFWMWM4S3","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"pith_short_16","alias_value":"2TDWFWMWM4S3L3RH","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"pith_short_8","alias_value":"2TDWFWMW","created_at":"2026-07-05T01:24:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:2TDWFWMWM4S3L3RHFBH43YMYUS","target":"record","payload":{"canonical_record":{"source":{"id":"2002.02548","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-02-06T23:04:32Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"cfa4ade9f95e4e3a1592220e5a95224a1d6a3f68eea970c43a0f9ff66d767c4f","abstract_canon_sha256":"b9344beae4b988cf2d70acb346cfdd53f03e6d9e92eb4a718ed0e3b2de77807a"},"schema_version":"1.0"},"canonical_sha256":"d4c762d9966725b5ee27284fcde198a4b1f0d265fc26c0c324690f332b700ed8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:24:30.806542Z","signature_b64":"Kudpad0tE1ELhiE1rpHixKohj7yuOBg0qLW9FJye7OfTP9sZY5GY1R8CfD1o9rm4BuSNgMu7RcN220M+ipXuBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4c762d9966725b5ee27284fcde198a4b1f0d265fc26c0c324690f332b700ed8","last_reissued_at":"2026-07-05T01:24:30.806076Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:24:30.806076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.02548","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":"2026-07-05T01:24:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0uDWVbXBGk8/AVQShe9mFcyecTjzF1p2byhIxjF9YPUfvA1zyOZiacItBUyY0SzmAJzN7TXGA8WaHAJKq+Y5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:59:46.245028Z"},"content_sha256":"b84301422ab22b730d1a4886c234a98d02f9a908257767a8f63789dfdc398c10","schema_version":"1.0","event_id":"sha256:b84301422ab22b730d1a4886c234a98d02f9a908257767a8f63789dfdc398c10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:2TDWFWMWM4S3L3RHFBH43YMYUS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature scaling of two-ion anisotropy in pure and mixed anisotropy systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Levente R\\'ozsa, Richard F. L. Evans, Sarah Jenkins, Unai Atxitia","submitted_at":"2020-02-06T23:04:32Z","abstract_excerpt":"Magnetic anisotropy plays an essential role in information technology applications of magnetic materials, providing a means to retain the long-term stability of a magnetic state in the presence of thermal fluctuations. Anisotropy consists of a single-ion contribution stemming from the crystal structure and two-ion terms attributed to the exchange interactions between magnetic atoms. A lack of robust theory crucially limits the understanding of the temperature dependence of the anisotropy in pure two-ion and mixed single-ion and two-ion systems. Here, we use Green's function theory and atomisti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.02548","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.02548/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:24:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KV2NwuMqgcFR3cREiyPZR1G8VTiWjqHgUyeKddBjozW3V/hyKEncb81kiTXe/u7bWb+xzq4OO8OrnuTShuyOCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:59:46.245587Z"},"content_sha256":"02a98326ee16ce13c29157700d5fea5130169a68172b6ad171e9ccc712399c49","schema_version":"1.0","event_id":"sha256:02a98326ee16ce13c29157700d5fea5130169a68172b6ad171e9ccc712399c49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2TDWFWMWM4S3L3RHFBH43YMYUS/bundle.json","state_url":"https://pith.science/pith/2TDWFWMWM4S3L3RHFBH43YMYUS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2TDWFWMWM4S3L3RHFBH43YMYUS/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":"2026-08-18T06:59:46Z","links":{"resolver":"https://pith.science/pith/2TDWFWMWM4S3L3RHFBH43YMYUS","bundle":"https://pith.science/pith/2TDWFWMWM4S3L3RHFBH43YMYUS/bundle.json","state":"https://pith.science/pith/2TDWFWMWM4S3L3RHFBH43YMYUS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2TDWFWMWM4S3L3RHFBH43YMYUS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:2TDWFWMWM4S3L3RHFBH43YMYUS","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":"b9344beae4b988cf2d70acb346cfdd53f03e6d9e92eb4a718ed0e3b2de77807a","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-02-06T23:04:32Z","title_canon_sha256":"cfa4ade9f95e4e3a1592220e5a95224a1d6a3f68eea970c43a0f9ff66d767c4f"},"schema_version":"1.0","source":{"id":"2002.02548","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.02548","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"arxiv_version","alias_value":"2002.02548v2","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.02548","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"pith_short_12","alias_value":"2TDWFWMWM4S3","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"pith_short_16","alias_value":"2TDWFWMWM4S3L3RH","created_at":"2026-07-05T01:24:30Z"},{"alias_kind":"pith_short_8","alias_value":"2TDWFWMW","created_at":"2026-07-05T01:24:30Z"}],"graph_snapshots":[{"event_id":"sha256:02a98326ee16ce13c29157700d5fea5130169a68172b6ad171e9ccc712399c49","target":"graph","created_at":"2026-07-05T01:24:30Z","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/2002.02548/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetic anisotropy plays an essential role in information technology applications of magnetic materials, providing a means to retain the long-term stability of a magnetic state in the presence of thermal fluctuations. Anisotropy consists of a single-ion contribution stemming from the crystal structure and two-ion terms attributed to the exchange interactions between magnetic atoms. A lack of robust theory crucially limits the understanding of the temperature dependence of the anisotropy in pure two-ion and mixed single-ion and two-ion systems. Here, we use Green's function theory and atomisti","authors_text":"Levente R\\'ozsa, Richard F. L. Evans, Sarah Jenkins, Unai Atxitia","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-02-06T23:04:32Z","title":"Temperature scaling of two-ion anisotropy in pure and mixed anisotropy systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.02548","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:b84301422ab22b730d1a4886c234a98d02f9a908257767a8f63789dfdc398c10","target":"record","created_at":"2026-07-05T01:24:30Z","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":"b9344beae4b988cf2d70acb346cfdd53f03e6d9e92eb4a718ed0e3b2de77807a","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-02-06T23:04:32Z","title_canon_sha256":"cfa4ade9f95e4e3a1592220e5a95224a1d6a3f68eea970c43a0f9ff66d767c4f"},"schema_version":"1.0","source":{"id":"2002.02548","kind":"arxiv","version":2}},"canonical_sha256":"d4c762d9966725b5ee27284fcde198a4b1f0d265fc26c0c324690f332b700ed8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4c762d9966725b5ee27284fcde198a4b1f0d265fc26c0c324690f332b700ed8","first_computed_at":"2026-07-05T01:24:30.806076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:24:30.806076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kudpad0tE1ELhiE1rpHixKohj7yuOBg0qLW9FJye7OfTP9sZY5GY1R8CfD1o9rm4BuSNgMu7RcN220M+ipXuBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:24:30.806542Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.02548","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b84301422ab22b730d1a4886c234a98d02f9a908257767a8f63789dfdc398c10","sha256:02a98326ee16ce13c29157700d5fea5130169a68172b6ad171e9ccc712399c49"],"state_sha256":"1cc85f9c4cd887688551e34fcbbadf5ecc934b5b9541a94b99524eb9a5b581f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vJRnFge31MhZY71i0/iaPKHnYIdPfOKTnzGhN4tvtz34scjerxfq6gP0TGdjNaD1kkR1mm8/Re4Q1xEmxRjXDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T06:59:46.249603Z","bundle_sha256":"1e0e55bb9f97b1660a47dca3e95122add0e4ac0e8e32f03b8921d13ef543af68"}}