{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LKQ6E4YJ3CYQJOM4ZFXD6X7K5B","short_pith_number":"pith:LKQ6E4YJ","canonical_record":{"source":{"id":"1407.7880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-29T20:29:32Z","cross_cats_sorted":[],"title_canon_sha256":"a9a94fe39c62ab079f59cd89c7a0973d1001288936307364c3cb8af47e63f69f","abstract_canon_sha256":"8f59e0edee15b689c3409858b76c25b2de4d2c6afe2d6596822e0f04965e13d1"},"schema_version":"1.0"},"canonical_sha256":"5aa1e27309d8b104b99cc96e3f5feae85903444619e340744936d969840c4849","source":{"kind":"arxiv","id":"1407.7880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7880","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7880v1","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7880","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"LKQ6E4YJ3CYQ","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LKQ6E4YJ3CYQJOM4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LKQ6E4YJ","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LKQ6E4YJ3CYQJOM4ZFXD6X7K5B","target":"record","payload":{"canonical_record":{"source":{"id":"1407.7880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-29T20:29:32Z","cross_cats_sorted":[],"title_canon_sha256":"a9a94fe39c62ab079f59cd89c7a0973d1001288936307364c3cb8af47e63f69f","abstract_canon_sha256":"8f59e0edee15b689c3409858b76c25b2de4d2c6afe2d6596822e0f04965e13d1"},"schema_version":"1.0"},"canonical_sha256":"5aa1e27309d8b104b99cc96e3f5feae85903444619e340744936d969840c4849","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:55.422205Z","signature_b64":"pwcd+7pURwNS8Q4wkSg+yDrL7rnrAP4exjsXtlV10cxR+TjOej24JF0iFaU01+C/5ct3uc4mju+9lfHdmyGXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5aa1e27309d8b104b99cc96e3f5feae85903444619e340744936d969840c4849","last_reissued_at":"2026-05-18T02:03:55.421415Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:55.421415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.7880","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":"2026-05-18T02:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KsziMvN8BkzZBd0ziuas3e73a62UNn/sR8tz1nkJbDbIXXgM7Nov4zQ/zczEgo3uIMDPixkREQL4j4NT4eVEDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T13:20:20.939359Z"},"content_sha256":"a1d01d7a9838ac25691d20ede3deb7af3ee38cd751c4d59651e938f3df0ec3ea","schema_version":"1.0","event_id":"sha256:a1d01d7a9838ac25691d20ede3deb7af3ee38cd751c4d59651e938f3df0ec3ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LKQ6E4YJ3CYQJOM4ZFXD6X7K5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prediction of magnetic moment collapse in ZrFe$_2$ under hydrostatic pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Wanli Zhang, Wenxu Zhang","submitted_at":"2014-07-29T20:29:32Z","abstract_excerpt":"Electronic structure and magnetic properties of ZrFe$_2$ with a cubic Laves phase are investigated by calculations based on the density functional theory. The total magnetic moment (m) of 3.14 $\\mu_B$ per formula unit (\\emph{f.u.}) is obtained at the experimental lattice constant (7.06 \\AA), which is larger than 3.06 $\\mu_B$/\\emph{f.u.} obtained at the theoretical equilibrium lattice constant (6.85 \\AA). The localized $3d$ magnetic moment is in negative diffusive sp background moment. We predict a two-step magnetic collapse under pressure: one is from 3.06 $\\mu_B$/\\emph{f.u.} to 1.26 $\\mu_B$/\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7880","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":"2026-05-18T02:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d2IbGvdhmdHgEsQKolpmCdQ8VHTZg6wC/t5xXTnzxzSLD18SF6jAzcDNhkf+jkzEgrMpprnFGwVultBC1Bw5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T13:20:20.939702Z"},"content_sha256":"0f73553bc34f420d1b04bd6b6c523e78247921ed9ed32ae3d32d3b70d2add554","schema_version":"1.0","event_id":"sha256:0f73553bc34f420d1b04bd6b6c523e78247921ed9ed32ae3d32d3b70d2add554"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B/bundle.json","state_url":"https://pith.science/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B/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":"2026-06-27T13:20:20Z","links":{"resolver":"https://pith.science/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B","bundle":"https://pith.science/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B/bundle.json","state":"https://pith.science/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LKQ6E4YJ3CYQJOM4ZFXD6X7K5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LKQ6E4YJ3CYQJOM4ZFXD6X7K5B","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":"8f59e0edee15b689c3409858b76c25b2de4d2c6afe2d6596822e0f04965e13d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-29T20:29:32Z","title_canon_sha256":"a9a94fe39c62ab079f59cd89c7a0973d1001288936307364c3cb8af47e63f69f"},"schema_version":"1.0","source":{"id":"1407.7880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7880","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7880v1","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7880","created_at":"2026-05-18T02:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"LKQ6E4YJ3CYQ","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LKQ6E4YJ3CYQJOM4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LKQ6E4YJ","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:0f73553bc34f420d1b04bd6b6c523e78247921ed9ed32ae3d32d3b70d2add554","target":"graph","created_at":"2026-05-18T02:03:55Z","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":"Electronic structure and magnetic properties of ZrFe$_2$ with a cubic Laves phase are investigated by calculations based on the density functional theory. The total magnetic moment (m) of 3.14 $\\mu_B$ per formula unit (\\emph{f.u.}) is obtained at the experimental lattice constant (7.06 \\AA), which is larger than 3.06 $\\mu_B$/\\emph{f.u.} obtained at the theoretical equilibrium lattice constant (6.85 \\AA). The localized $3d$ magnetic moment is in negative diffusive sp background moment. We predict a two-step magnetic collapse under pressure: one is from 3.06 $\\mu_B$/\\emph{f.u.} to 1.26 $\\mu_B$/\\","authors_text":"Wanli Zhang, Wenxu Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-29T20:29:32Z","title":"Prediction of magnetic moment collapse in ZrFe$_2$ under hydrostatic pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7880","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:a1d01d7a9838ac25691d20ede3deb7af3ee38cd751c4d59651e938f3df0ec3ea","target":"record","created_at":"2026-05-18T02:03:55Z","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":"8f59e0edee15b689c3409858b76c25b2de4d2c6afe2d6596822e0f04965e13d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-29T20:29:32Z","title_canon_sha256":"a9a94fe39c62ab079f59cd89c7a0973d1001288936307364c3cb8af47e63f69f"},"schema_version":"1.0","source":{"id":"1407.7880","kind":"arxiv","version":1}},"canonical_sha256":"5aa1e27309d8b104b99cc96e3f5feae85903444619e340744936d969840c4849","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5aa1e27309d8b104b99cc96e3f5feae85903444619e340744936d969840c4849","first_computed_at":"2026-05-18T02:03:55.421415Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:55.421415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pwcd+7pURwNS8Q4wkSg+yDrL7rnrAP4exjsXtlV10cxR+TjOej24JF0iFaU01+C/5ct3uc4mju+9lfHdmyGXDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:55.422205Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.7880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1d01d7a9838ac25691d20ede3deb7af3ee38cd751c4d59651e938f3df0ec3ea","sha256:0f73553bc34f420d1b04bd6b6c523e78247921ed9ed32ae3d32d3b70d2add554"],"state_sha256":"f72953c549711cbef3e0465e688e9687a71ebb8274e366300deceed9baf0d2e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V3LkxMYi979QMeuF/zG4ambDe1uREsNNtQiDVTfznZ+o4p/00CtjEAdybYAoxzvCgJ2/wXH/AyVlUx7Szc2WDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T13:20:20.941516Z","bundle_sha256":"0a3a5c417160935ea5920792bc017d881960a6f181eca7fe7c660723c3de6cff"}}