{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PO2BQHCEDYADCAZRJEIG2GMESM","short_pith_number":"pith:PO2BQHCE","canonical_record":{"source":{"id":"1810.00249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-29T18:18:28Z","cross_cats_sorted":[],"title_canon_sha256":"f63498568e1b8d8c5070ea3bbdf26c7a76497ef95f048d654ac381ab86f14e2e","abstract_canon_sha256":"53e487d8c7757c26b604bf9a6773a466ed061a27dc17f2b61cb0ef07dbdd8ba2"},"schema_version":"1.0"},"canonical_sha256":"7bb4181c441e0031033149106d1984932f34454f5d72ff4193ad48be973acd7b","source":{"kind":"arxiv","id":"1810.00249","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00249","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00249v1","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00249","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"pith_short_12","alias_value":"PO2BQHCEDYAD","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PO2BQHCEDYADCAZR","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PO2BQHCE","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PO2BQHCEDYADCAZRJEIG2GMESM","target":"record","payload":{"canonical_record":{"source":{"id":"1810.00249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-29T18:18:28Z","cross_cats_sorted":[],"title_canon_sha256":"f63498568e1b8d8c5070ea3bbdf26c7a76497ef95f048d654ac381ab86f14e2e","abstract_canon_sha256":"53e487d8c7757c26b604bf9a6773a466ed061a27dc17f2b61cb0ef07dbdd8ba2"},"schema_version":"1.0"},"canonical_sha256":"7bb4181c441e0031033149106d1984932f34454f5d72ff4193ad48be973acd7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:19.183293Z","signature_b64":"VxUd0nKWGzqszk1CmX57MVUgYiuRR6dsdnseVl8p+vVHjEUaRNMD4YnnK/8ZLEbHQv4FIE9Te0LY/Qr9af/jCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bb4181c441e0031033149106d1984932f34454f5d72ff4193ad48be973acd7b","last_reissued_at":"2026-05-18T00:02:19.182653Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:19.182653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.00249","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":"2026-05-18T00:02:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+GiUeOvEhOy+oZPFB5yTZl5J13nn8LEZRFh0894LFAmIcPpGs8O0Y+9pQZgonlGh58Boq6KgqbOL8D5CXvEAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:19:01.047472Z"},"content_sha256":"8693706dda35cc142b83e33754cb6afa7e1db7e248979f0532683b496fda6ccf","schema_version":"1.0","event_id":"sha256:8693706dda35cc142b83e33754cb6afa7e1db7e248979f0532683b496fda6ccf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PO2BQHCEDYADCAZRJEIG2GMESM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perpendicular magnetic anisotropy in bulk and thin-film CuMnAs for antiferromagnetic memory applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Adhikari, I. A. Zhuravlev, K. D. Belashchenko","submitted_at":"2018-09-29T18:18:28Z","abstract_excerpt":"CuMnAs with perpendicular magnetic anisotropy is proposed as an active material for antiferromagnetic memory. Information can be stored in the antiferromagnetic domain state, while writing and readout can rely on the existence of the surface magnetization. It is predicted, based on first-principles calculations, that easy-axis anisotropy can be achieved in bulk CuMnAs by substituting a few percent of As atoms by Ge, Si, Al, or B. This effect is attributed to the changing occupation of certain electronic bands near the Fermi level induced by the hole doping. The calculated temperature dependenc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00249","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":"2026-05-18T00:02:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7TqUOc/wMLRjKyPAENCzNrY9BWpw5hxIFLnJgPylEtM1fYs4oHtjCZm+TRMLqDmRAgEjDDSqp/uRW0/9eh4JAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:19:01.047815Z"},"content_sha256":"a3fcda1cff2a350520fd055e8bf0665ff883a295635a2f80b921533ea698f129","schema_version":"1.0","event_id":"sha256:a3fcda1cff2a350520fd055e8bf0665ff883a295635a2f80b921533ea698f129"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PO2BQHCEDYADCAZRJEIG2GMESM/bundle.json","state_url":"https://pith.science/pith/PO2BQHCEDYADCAZRJEIG2GMESM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PO2BQHCEDYADCAZRJEIG2GMESM/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":"2026-06-02T22:19:01Z","links":{"resolver":"https://pith.science/pith/PO2BQHCEDYADCAZRJEIG2GMESM","bundle":"https://pith.science/pith/PO2BQHCEDYADCAZRJEIG2GMESM/bundle.json","state":"https://pith.science/pith/PO2BQHCEDYADCAZRJEIG2GMESM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PO2BQHCEDYADCAZRJEIG2GMESM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PO2BQHCEDYADCAZRJEIG2GMESM","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":"53e487d8c7757c26b604bf9a6773a466ed061a27dc17f2b61cb0ef07dbdd8ba2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-29T18:18:28Z","title_canon_sha256":"f63498568e1b8d8c5070ea3bbdf26c7a76497ef95f048d654ac381ab86f14e2e"},"schema_version":"1.0","source":{"id":"1810.00249","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.00249","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"arxiv_version","alias_value":"1810.00249v1","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.00249","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"pith_short_12","alias_value":"PO2BQHCEDYAD","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PO2BQHCEDYADCAZR","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PO2BQHCE","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:a3fcda1cff2a350520fd055e8bf0665ff883a295635a2f80b921533ea698f129","target":"graph","created_at":"2026-05-18T00:02:19Z","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":"CuMnAs with perpendicular magnetic anisotropy is proposed as an active material for antiferromagnetic memory. Information can be stored in the antiferromagnetic domain state, while writing and readout can rely on the existence of the surface magnetization. It is predicted, based on first-principles calculations, that easy-axis anisotropy can be achieved in bulk CuMnAs by substituting a few percent of As atoms by Ge, Si, Al, or B. This effect is attributed to the changing occupation of certain electronic bands near the Fermi level induced by the hole doping. The calculated temperature dependenc","authors_text":"A. Adhikari, I. A. Zhuravlev, K. D. Belashchenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-29T18:18:28Z","title":"Perpendicular magnetic anisotropy in bulk and thin-film CuMnAs for antiferromagnetic memory applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.00249","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":"sha256:8693706dda35cc142b83e33754cb6afa7e1db7e248979f0532683b496fda6ccf","target":"record","created_at":"2026-05-18T00:02:19Z","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":"53e487d8c7757c26b604bf9a6773a466ed061a27dc17f2b61cb0ef07dbdd8ba2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-29T18:18:28Z","title_canon_sha256":"f63498568e1b8d8c5070ea3bbdf26c7a76497ef95f048d654ac381ab86f14e2e"},"schema_version":"1.0","source":{"id":"1810.00249","kind":"arxiv","version":1}},"canonical_sha256":"7bb4181c441e0031033149106d1984932f34454f5d72ff4193ad48be973acd7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7bb4181c441e0031033149106d1984932f34454f5d72ff4193ad48be973acd7b","first_computed_at":"2026-05-18T00:02:19.182653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:19.182653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VxUd0nKWGzqszk1CmX57MVUgYiuRR6dsdnseVl8p+vVHjEUaRNMD4YnnK/8ZLEbHQv4FIE9Te0LY/Qr9af/jCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:19.183293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.00249","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8693706dda35cc142b83e33754cb6afa7e1db7e248979f0532683b496fda6ccf","sha256:a3fcda1cff2a350520fd055e8bf0665ff883a295635a2f80b921533ea698f129"],"state_sha256":"e7fcada35bff18112bb676603d4365e0e96f295ddca2c62558833442d7115f2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GwQDNt1I5sMq4Ux/GtTKeRwKD1lBWm8DnECMDcCopc9/znBj2u1BmD+YWpXsRAGfA1WOocX4t43GoGSI+aOHDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T22:19:01.049726Z","bundle_sha256":"ede759879ff87e0bfa8ad4a23cb652e320eae4654b2665456c74a406a5aa2c28"}}