{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DLLYNAG3CWJO5TUOD6OCVOMYBC","short_pith_number":"pith:DLLYNAG3","canonical_record":{"source":{"id":"2507.22018","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-07-29T17:07:07Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"dbfb26c9e863a996ba63f7ed9f4cc4ac45d17c70ce3f3f89dec698571e83d81b","abstract_canon_sha256":"d9a5d70399e64e2ce2bd78e0296f1eed088251568d352e67b2a06439d303860f"},"schema_version":"1.0"},"canonical_sha256":"1ad78680db1592eece8e1f9c2ab99808b641eb87b0778e4876e5f6689a780fe1","source":{"kind":"arxiv","id":"2507.22018","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22018","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22018v1","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22018","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"pith_short_12","alias_value":"DLLYNAG3CWJO","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"pith_short_16","alias_value":"DLLYNAG3CWJO5TUO","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"pith_short_8","alias_value":"DLLYNAG3","created_at":"2026-07-05T11:45:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DLLYNAG3CWJO5TUOD6OCVOMYBC","target":"record","payload":{"canonical_record":{"source":{"id":"2507.22018","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-07-29T17:07:07Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"dbfb26c9e863a996ba63f7ed9f4cc4ac45d17c70ce3f3f89dec698571e83d81b","abstract_canon_sha256":"d9a5d70399e64e2ce2bd78e0296f1eed088251568d352e67b2a06439d303860f"},"schema_version":"1.0"},"canonical_sha256":"1ad78680db1592eece8e1f9c2ab99808b641eb87b0778e4876e5f6689a780fe1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:45:11.517793Z","signature_b64":"oK+cIujq5SE6txipXaLLN+n614uDqrgcyss6vFMfXTWZtHYE94+hB0XvsGRZLTD+HlWOimTDrolghdepe5A2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ad78680db1592eece8e1f9c2ab99808b641eb87b0778e4876e5f6689a780fe1","last_reissued_at":"2026-07-05T11:45:11.517348Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:45:11.517348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.22018","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":"2026-07-05T11:45:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dVHE3F+lWQtly5/6OF6AHDoTgYTbf/phpDCNGZFdf1ph5tUfntWPTJrBD9Q7+kWXPKd5D47vUprFwrVMUVQtBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T06:25:13.908116Z"},"content_sha256":"789e1d19fdd85ebe935b18b7f2c7384e7512ce8782aa9a262b2cc053f9de124b","schema_version":"1.0","event_id":"sha256:789e1d19fdd85ebe935b18b7f2c7384e7512ce8782aa9a262b2cc053f9de124b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DLLYNAG3CWJO5TUOD6OCVOMYBC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of applied pressure on the non-relativistic spin-splitting (NRSS) of FeSb2 altermagnet: A first-principles study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"D. P. Rai, Keshav Shrestha, R. Tamang, Samir Lounis, Samy Brahimi, Shalika R. Bhandari","submitted_at":"2025-07-29T17:07:07Z","abstract_excerpt":"We have investigated the pressure-dependent electronic structure, phonon stability, and anomalous Hall response of the recently discovered altermagnet FeSb2 from density functional theory (DFT) and Wannier function analysis. From density functional perturbation theory (DFPT) calculations, we have found that FeSb2 remains dynamically stable up to 10 GPa, evidenced by positive phonon frequencies. Our spin-polarised band structure shows that the node of band crossing between spin-up and spin-down bands around the Fermi energy exactly lies at the Gamma and A-symmetry points. The Fermi crossing is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22018","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/2507.22018/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":"2026-07-05T11:45:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RaG+4OQjWOoVYwRCnPN3ucE91QzgzLJa7K00iLIVX6ovZOnm8kEKckLz50KBG0+bw2gVdWcn25J52A5wASgdDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T06:25:13.908856Z"},"content_sha256":"fde189053e191021f6601244bc216a72c297c8277edd075778d513a8c9028beb","schema_version":"1.0","event_id":"sha256:fde189053e191021f6601244bc216a72c297c8277edd075778d513a8c9028beb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC/bundle.json","state_url":"https://pith.science/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC/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":"2026-08-08T06:25:13Z","links":{"resolver":"https://pith.science/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC","bundle":"https://pith.science/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC/bundle.json","state":"https://pith.science/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DLLYNAG3CWJO5TUOD6OCVOMYBC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DLLYNAG3CWJO5TUOD6OCVOMYBC","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":"d9a5d70399e64e2ce2bd78e0296f1eed088251568d352e67b2a06439d303860f","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-07-29T17:07:07Z","title_canon_sha256":"dbfb26c9e863a996ba63f7ed9f4cc4ac45d17c70ce3f3f89dec698571e83d81b"},"schema_version":"1.0","source":{"id":"2507.22018","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22018","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22018v1","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22018","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"pith_short_12","alias_value":"DLLYNAG3CWJO","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"pith_short_16","alias_value":"DLLYNAG3CWJO5TUO","created_at":"2026-07-05T11:45:11Z"},{"alias_kind":"pith_short_8","alias_value":"DLLYNAG3","created_at":"2026-07-05T11:45:11Z"}],"graph_snapshots":[{"event_id":"sha256:fde189053e191021f6601244bc216a72c297c8277edd075778d513a8c9028beb","target":"graph","created_at":"2026-07-05T11:45:11Z","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/2507.22018/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have investigated the pressure-dependent electronic structure, phonon stability, and anomalous Hall response of the recently discovered altermagnet FeSb2 from density functional theory (DFT) and Wannier function analysis. From density functional perturbation theory (DFPT) calculations, we have found that FeSb2 remains dynamically stable up to 10 GPa, evidenced by positive phonon frequencies. Our spin-polarised band structure shows that the node of band crossing between spin-up and spin-down bands around the Fermi energy exactly lies at the Gamma and A-symmetry points. The Fermi crossing is ","authors_text":"D. P. Rai, Keshav Shrestha, R. Tamang, Samir Lounis, Samy Brahimi, Shalika R. Bhandari","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-07-29T17:07:07Z","title":"Effect of applied pressure on the non-relativistic spin-splitting (NRSS) of FeSb2 altermagnet: A first-principles study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22018","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":"sha256:789e1d19fdd85ebe935b18b7f2c7384e7512ce8782aa9a262b2cc053f9de124b","target":"record","created_at":"2026-07-05T11:45:11Z","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":"d9a5d70399e64e2ce2bd78e0296f1eed088251568d352e67b2a06439d303860f","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-07-29T17:07:07Z","title_canon_sha256":"dbfb26c9e863a996ba63f7ed9f4cc4ac45d17c70ce3f3f89dec698571e83d81b"},"schema_version":"1.0","source":{"id":"2507.22018","kind":"arxiv","version":1}},"canonical_sha256":"1ad78680db1592eece8e1f9c2ab99808b641eb87b0778e4876e5f6689a780fe1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ad78680db1592eece8e1f9c2ab99808b641eb87b0778e4876e5f6689a780fe1","first_computed_at":"2026-07-05T11:45:11.517348Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:11.517348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oK+cIujq5SE6txipXaLLN+n614uDqrgcyss6vFMfXTWZtHYE94+hB0XvsGRZLTD+HlWOimTDrolghdepe5A2DA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:11.517793Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.22018","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:789e1d19fdd85ebe935b18b7f2c7384e7512ce8782aa9a262b2cc053f9de124b","sha256:fde189053e191021f6601244bc216a72c297c8277edd075778d513a8c9028beb"],"state_sha256":"5193f9fc9dafc1a2b393cd4fddc0b85e59aeb0a3babb32d1168862411d76b99c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RZEKitpJ0nOMzkuVUigBtcr4ZeqXme33yYLKxw48PvVxSr4guUxqZ6bK6jOYZUWmxiT0kAVvlSzmj0G4B54EDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T06:25:13.915857Z","bundle_sha256":"bcbb02773778a1b45c3e0b1e933dffef70a0594fd5f05f98f673769ab441101c"}}