{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:SQ2PGPBHX4GJ7SZ3YWWL44GRFX","short_pith_number":"pith:SQ2PGPBH","canonical_record":{"source":{"id":"2212.06190","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-12-12T19:05:27Z","cross_cats_sorted":[],"title_canon_sha256":"3870ecdb23f428a5a1305ed8e687fc7f45a3f8ffc8edfcccbd664bc31568896c","abstract_canon_sha256":"e61eafa9d9d76b8d7b825938a1b286227e7622a493e0a5c01c71234ca90f8eb1"},"schema_version":"1.0"},"canonical_sha256":"9434f33c27bf0c9fcb3bc5acbe70d12ddd62a209c48d82600732ba46d401ecb4","source":{"kind":"arxiv","id":"2212.06190","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.06190","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"arxiv_version","alias_value":"2212.06190v1","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.06190","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"pith_short_12","alias_value":"SQ2PGPBHX4GJ","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"pith_short_16","alias_value":"SQ2PGPBHX4GJ7SZ3","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"pith_short_8","alias_value":"SQ2PGPBH","created_at":"2026-07-05T05:50:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:SQ2PGPBHX4GJ7SZ3YWWL44GRFX","target":"record","payload":{"canonical_record":{"source":{"id":"2212.06190","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-12-12T19:05:27Z","cross_cats_sorted":[],"title_canon_sha256":"3870ecdb23f428a5a1305ed8e687fc7f45a3f8ffc8edfcccbd664bc31568896c","abstract_canon_sha256":"e61eafa9d9d76b8d7b825938a1b286227e7622a493e0a5c01c71234ca90f8eb1"},"schema_version":"1.0"},"canonical_sha256":"9434f33c27bf0c9fcb3bc5acbe70d12ddd62a209c48d82600732ba46d401ecb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:50:56.448911Z","signature_b64":"LSsQw18Stenu46aFAI8a9cwmu372mbfGD0nI5ZYtlPTYwoR5M28Xrc/o83ZIPsAxY108CX4/Zp4pJbyCu5ocCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9434f33c27bf0c9fcb3bc5acbe70d12ddd62a209c48d82600732ba46d401ecb4","last_reissued_at":"2026-07-05T05:50:56.448400Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:50:56.448400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.06190","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":"2026-07-05T05:50:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a9gzu5dIqRkELWs2W5hriZ8hIqlE/lPGrDA7VlLyf7c2zzXl1yRSjO9Nb9A3Kf2Z2wEE4rJynEaNpNEM8yLCCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:28:25.314509Z"},"content_sha256":"6c0fbe430506be4a19dba2e8745cc8703d2b05c67973786698d341bbe22b5519","schema_version":"1.0","event_id":"sha256:6c0fbe430506be4a19dba2e8745cc8703d2b05c67973786698d341bbe22b5519"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:SQ2PGPBHX4GJ7SZ3YWWL44GRFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"IrF4: From Tetrahedral Compass Model to Topological Semimetal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. Shang, N. Heinsdorf, O. Ganter, S. M. Winter","submitted_at":"2022-12-12T19:05:27Z","abstract_excerpt":"The intersection of topology, symmetry, and magnetism yields a rich structure of possible phases. In this work, we study theoretically the consequences of magnetism on IrF4, which was recently identified as a possible candidate topological nodal chain semimetal in the absence of magnetic order. We show that the spin-orbital nature of the Ir moments gives rise to strongly anisotropic magnetic couplings resembling a tetrahedral compass model on a diamond lattice. The predicted magnetic ground state preserves key symmetries protecting the nodal lines, such that they persist into the ordered phase"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.06190","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/2212.06190/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":"2026-07-05T05:50:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8W5RlnmoS36r3+EgGqx7ovb3busuYZF9aPBqqoIh7fN4FrhDU0+0d7YZ/ZTEh0qo31H9lSQsUjF9gUtV2WkcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:28:25.315027Z"},"content_sha256":"2cbe88c44232f24984c7b76793e58acef2758e8d3568877ea223676b44342028","schema_version":"1.0","event_id":"sha256:2cbe88c44232f24984c7b76793e58acef2758e8d3568877ea223676b44342028"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX/bundle.json","state_url":"https://pith.science/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX/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":"2026-08-07T00:28:25Z","links":{"resolver":"https://pith.science/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX","bundle":"https://pith.science/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX/bundle.json","state":"https://pith.science/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SQ2PGPBHX4GJ7SZ3YWWL44GRFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:SQ2PGPBHX4GJ7SZ3YWWL44GRFX","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":"e61eafa9d9d76b8d7b825938a1b286227e7622a493e0a5c01c71234ca90f8eb1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-12-12T19:05:27Z","title_canon_sha256":"3870ecdb23f428a5a1305ed8e687fc7f45a3f8ffc8edfcccbd664bc31568896c"},"schema_version":"1.0","source":{"id":"2212.06190","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.06190","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"arxiv_version","alias_value":"2212.06190v1","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.06190","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"pith_short_12","alias_value":"SQ2PGPBHX4GJ","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"pith_short_16","alias_value":"SQ2PGPBHX4GJ7SZ3","created_at":"2026-07-05T05:50:56Z"},{"alias_kind":"pith_short_8","alias_value":"SQ2PGPBH","created_at":"2026-07-05T05:50:56Z"}],"graph_snapshots":[{"event_id":"sha256:2cbe88c44232f24984c7b76793e58acef2758e8d3568877ea223676b44342028","target":"graph","created_at":"2026-07-05T05:50:56Z","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/2212.06190/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The intersection of topology, symmetry, and magnetism yields a rich structure of possible phases. In this work, we study theoretically the consequences of magnetism on IrF4, which was recently identified as a possible candidate topological nodal chain semimetal in the absence of magnetic order. We show that the spin-orbital nature of the Ir moments gives rise to strongly anisotropic magnetic couplings resembling a tetrahedral compass model on a diamond lattice. The predicted magnetic ground state preserves key symmetries protecting the nodal lines, such that they persist into the ordered phase","authors_text":"C. Shang, N. Heinsdorf, O. Ganter, S. M. Winter","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-12-12T19:05:27Z","title":"IrF4: From Tetrahedral Compass Model to Topological Semimetal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.06190","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":"sha256:6c0fbe430506be4a19dba2e8745cc8703d2b05c67973786698d341bbe22b5519","target":"record","created_at":"2026-07-05T05:50:56Z","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":"e61eafa9d9d76b8d7b825938a1b286227e7622a493e0a5c01c71234ca90f8eb1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-12-12T19:05:27Z","title_canon_sha256":"3870ecdb23f428a5a1305ed8e687fc7f45a3f8ffc8edfcccbd664bc31568896c"},"schema_version":"1.0","source":{"id":"2212.06190","kind":"arxiv","version":1}},"canonical_sha256":"9434f33c27bf0c9fcb3bc5acbe70d12ddd62a209c48d82600732ba46d401ecb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9434f33c27bf0c9fcb3bc5acbe70d12ddd62a209c48d82600732ba46d401ecb4","first_computed_at":"2026-07-05T05:50:56.448400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:50:56.448400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LSsQw18Stenu46aFAI8a9cwmu372mbfGD0nI5ZYtlPTYwoR5M28Xrc/o83ZIPsAxY108CX4/Zp4pJbyCu5ocCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:50:56.448911Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.06190","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c0fbe430506be4a19dba2e8745cc8703d2b05c67973786698d341bbe22b5519","sha256:2cbe88c44232f24984c7b76793e58acef2758e8d3568877ea223676b44342028"],"state_sha256":"65941749bb10bc50c56166debf666dce5a992ae4beb03fb26cfb4cf674d98f4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0b8xsdZXlBDAWj9KEC3RdKEehe1Slsd2WiDyy7WNPDu09rtPxAZbfXDeWiti5LY2KGghF/SgGLFY07TcEtmKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:28:25.320710Z","bundle_sha256":"dff5170bbdb69e731573d195046ecab4360726a860e20c97237c4f27eee08286"}}