{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:EYBPGVTCFFJK6DBZA4UVPKLN3U","short_pith_number":"pith:EYBPGVTC","canonical_record":{"source":{"id":"2405.18088","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-05-28T11:47:28Z","cross_cats_sorted":[],"title_canon_sha256":"55c1469fb12ed94da0dc4821892c8e782a2716fb991aa46564c8fbbe9b07e730","abstract_canon_sha256":"dc71359965a8add54712ffd7f822c3c9e9445e0aa4306a6ad15d7ba802ce0b0c"},"schema_version":"1.0"},"canonical_sha256":"2602f356622952af0c39072957a96ddd1937007cfb7080a7e6345ac02b17c37b","source":{"kind":"arxiv","id":"2405.18088","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.18088","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"arxiv_version","alias_value":"2405.18088v1","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.18088","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"pith_short_12","alias_value":"EYBPGVTCFFJK","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"pith_short_16","alias_value":"EYBPGVTCFFJK6DBZ","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"pith_short_8","alias_value":"EYBPGVTC","created_at":"2026-07-05T10:59:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:EYBPGVTCFFJK6DBZA4UVPKLN3U","target":"record","payload":{"canonical_record":{"source":{"id":"2405.18088","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-05-28T11:47:28Z","cross_cats_sorted":[],"title_canon_sha256":"55c1469fb12ed94da0dc4821892c8e782a2716fb991aa46564c8fbbe9b07e730","abstract_canon_sha256":"dc71359965a8add54712ffd7f822c3c9e9445e0aa4306a6ad15d7ba802ce0b0c"},"schema_version":"1.0"},"canonical_sha256":"2602f356622952af0c39072957a96ddd1937007cfb7080a7e6345ac02b17c37b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:59:58.617408Z","signature_b64":"vuXrdDugoZG+FzurvnpVqm6fVMqxl9hTtpPtMHBLiz/tryBvnfmvtndpqvJY65A9KkMIVJmD7cZK9qfj0+frAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2602f356622952af0c39072957a96ddd1937007cfb7080a7e6345ac02b17c37b","last_reissued_at":"2026-07-05T10:59:58.616857Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:59:58.616857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.18088","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":"2026-07-05T10:59:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AgbOmMsUcRukz8yiG0YiMNmRtKqK6+Xtm7Mn5RcGyN2y2SW1lh0NMYu+u8UopFxYgyNq5LQSjjucx/gJDP8xBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:18:49.544878Z"},"content_sha256":"ab49c1768715415bf8bdee247595228b48a70f626c621b6b3a90535ea189e53d","schema_version":"1.0","event_id":"sha256:ab49c1768715415bf8bdee247595228b48a70f626c621b6b3a90535ea189e53d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:EYBPGVTCFFJK6DBZA4UVPKLN3U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Antiferromagnetic order of topological orbital moments in atomic-scale skyrmion lattices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andr\\'e Kubetzka, Felix Nickel, Kirsten von Bergmann, Mara Gutzeit, Roland Wiesendanger, Stefan Heinze","submitted_at":"2024-05-28T11:47:28Z","abstract_excerpt":"Topological orbital moments can arise in non-coplanar spin structures even in the absence of spin-orbit coupling and a net topological orbital magnetization occurs for the triple-Q state and for isolated skyrmions. For atomic-scale skyrmion lattices, a significant effect can also be expected, however, no studies have been reported yet. Here, we observe via spin-polarized scanning tunneling microscopy a non-coplanar atomic-scale spin structure with a nearly square magnetic unit cell for a pseudomorphic Fe monolayer on three atomic Ir layers on the Re(0001) surface. Employing density functional "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.18088","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.18088/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":"2026-07-05T10:59:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDhpZeomqgb/WbT4AGX26o6CAa7/FlZOvI8bK47NKlWllewdLNsQK/4T8+52qUslged6swl61rR07fjtfq9fDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:18:49.545836Z"},"content_sha256":"a3d283c9872fa5a75d7820fe0fd59ca91ef22b81c1c6e9fd9ac7d35fd07ac002","schema_version":"1.0","event_id":"sha256:a3d283c9872fa5a75d7820fe0fd59ca91ef22b81c1c6e9fd9ac7d35fd07ac002"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U/bundle.json","state_url":"https://pith.science/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U/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":"2026-08-13T03:18:49Z","links":{"resolver":"https://pith.science/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U","bundle":"https://pith.science/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U/bundle.json","state":"https://pith.science/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EYBPGVTCFFJK6DBZA4UVPKLN3U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:EYBPGVTCFFJK6DBZA4UVPKLN3U","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":"dc71359965a8add54712ffd7f822c3c9e9445e0aa4306a6ad15d7ba802ce0b0c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-05-28T11:47:28Z","title_canon_sha256":"55c1469fb12ed94da0dc4821892c8e782a2716fb991aa46564c8fbbe9b07e730"},"schema_version":"1.0","source":{"id":"2405.18088","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.18088","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"arxiv_version","alias_value":"2405.18088v1","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.18088","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"pith_short_12","alias_value":"EYBPGVTCFFJK","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"pith_short_16","alias_value":"EYBPGVTCFFJK6DBZ","created_at":"2026-07-05T10:59:58Z"},{"alias_kind":"pith_short_8","alias_value":"EYBPGVTC","created_at":"2026-07-05T10:59:58Z"}],"graph_snapshots":[{"event_id":"sha256:a3d283c9872fa5a75d7820fe0fd59ca91ef22b81c1c6e9fd9ac7d35fd07ac002","target":"graph","created_at":"2026-07-05T10:59:58Z","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/2405.18088/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Topological orbital moments can arise in non-coplanar spin structures even in the absence of spin-orbit coupling and a net topological orbital magnetization occurs for the triple-Q state and for isolated skyrmions. For atomic-scale skyrmion lattices, a significant effect can also be expected, however, no studies have been reported yet. Here, we observe via spin-polarized scanning tunneling microscopy a non-coplanar atomic-scale spin structure with a nearly square magnetic unit cell for a pseudomorphic Fe monolayer on three atomic Ir layers on the Re(0001) surface. Employing density functional ","authors_text":"Andr\\'e Kubetzka, Felix Nickel, Kirsten von Bergmann, Mara Gutzeit, Roland Wiesendanger, Stefan Heinze","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-05-28T11:47:28Z","title":"Antiferromagnetic order of topological orbital moments in atomic-scale skyrmion lattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.18088","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:ab49c1768715415bf8bdee247595228b48a70f626c621b6b3a90535ea189e53d","target":"record","created_at":"2026-07-05T10:59:58Z","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":"dc71359965a8add54712ffd7f822c3c9e9445e0aa4306a6ad15d7ba802ce0b0c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-05-28T11:47:28Z","title_canon_sha256":"55c1469fb12ed94da0dc4821892c8e782a2716fb991aa46564c8fbbe9b07e730"},"schema_version":"1.0","source":{"id":"2405.18088","kind":"arxiv","version":1}},"canonical_sha256":"2602f356622952af0c39072957a96ddd1937007cfb7080a7e6345ac02b17c37b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2602f356622952af0c39072957a96ddd1937007cfb7080a7e6345ac02b17c37b","first_computed_at":"2026-07-05T10:59:58.616857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:59:58.616857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vuXrdDugoZG+FzurvnpVqm6fVMqxl9hTtpPtMHBLiz/tryBvnfmvtndpqvJY65A9KkMIVJmD7cZK9qfj0+frAA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:59:58.617408Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.18088","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab49c1768715415bf8bdee247595228b48a70f626c621b6b3a90535ea189e53d","sha256:a3d283c9872fa5a75d7820fe0fd59ca91ef22b81c1c6e9fd9ac7d35fd07ac002"],"state_sha256":"a6a239beed040e9f77d68c004907069f50f3b3f4ede4180204df4028cd4b115e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dJE9+c/rLkgAuL6rB1tlHgsZ8lctcxu6M1shvo1LhFgjeV+74ZyqrA6fHwIvDe7u46xfpQSl4iB0FGpcCJLSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T03:18:49.554397Z","bundle_sha256":"fe98f1940e99d421d83bad16ccb48b8610e22a493f177425c3ed1104360c81da"}}