{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TLNU7PMRQ32HDZL3W3PCA4KZTD","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":"efda1213c536a18c234a92fefc0dfd58fb4deee45b34befe71b92bc8517eb615","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-04-13T09:16:00Z","title_canon_sha256":"6cc5f49a861efa373ea468cecd4ebcb6577de79ae7f7971719397c31ed43dc20"},"schema_version":"1.0","source":{"id":"1704.04043","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04043","created_at":"2026-05-18T00:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04043v2","created_at":"2026-05-18T00:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04043","created_at":"2026-05-18T00:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"TLNU7PMRQ32H","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TLNU7PMRQ32HDZL3","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TLNU7PMR","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:8068ffca092be30346989f709853823fc570f0d3951e5e51b95f741213fb9493","target":"graph","created_at":"2026-05-18T00:32:43Z","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":"Neutron diffraction and muon spin relaxation ($\\mu$SR) studies are presented for the newly characterized polymorph of NiNb$_2$O$_6$ ($\\beta$-NiNb$_2$O$_6$) with space group P4$_2$/n and $\\mu$SR data only for the previously known columbite structure polymorph with space group Pbcn. The magnetic structure of the P4$_2$/n form was determined from neutron diffraction using both powder and single crystal data. Powder neutron diffraction determined an ordering wave vector $\\vec{k}$ = ($\\frac{1}{2},\\frac{1}{2},\\frac{1}{2}$). Single crystal data confirmed the same $\\vec{k}$-vector and showed that the ","authors_text":"A.A. Aczel, A. Millington, C. Ding, C.M. Thompson, F. Ning, G.M. Luke, H.A. Dabkowska, H.B. Cao, J.E. Greedan, M.N. Wilson, R. Flacau, S. Guo, T.J.S. Munsie, T.J. Williams, Z. Gong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-04-13T09:16:00Z","title":"Neutron Diffraction and $\\mu$SR Studies of Two Polymorphs of Nickel Niobate (NiNb$_2$O$_6$)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04043","kind":"arxiv","version":2},"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:be62d088e0f8a866a3fcc62c2b6ddae2ce990c00fad97575a1fa0b92a4ae7f82","target":"record","created_at":"2026-05-18T00:32:43Z","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":"efda1213c536a18c234a92fefc0dfd58fb4deee45b34befe71b92bc8517eb615","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2017-04-13T09:16:00Z","title_canon_sha256":"6cc5f49a861efa373ea468cecd4ebcb6577de79ae7f7971719397c31ed43dc20"},"schema_version":"1.0","source":{"id":"1704.04043","kind":"arxiv","version":2}},"canonical_sha256":"9adb4fbd9186f471e57bb6de20715998f39e75e9c7e3f48bba6fea111d89e7d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9adb4fbd9186f471e57bb6de20715998f39e75e9c7e3f48bba6fea111d89e7d8","first_computed_at":"2026-05-18T00:32:43.500136Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:43.500136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iWmNBZlM0kRohmH1cUpmYjfq53g/mY0mJEWbFDmUIIxBuQVggmmzk55BuaRtLtqUiPOOdnD+2lKq7S9t3BBKAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:43.500988Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.04043","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be62d088e0f8a866a3fcc62c2b6ddae2ce990c00fad97575a1fa0b92a4ae7f82","sha256:8068ffca092be30346989f709853823fc570f0d3951e5e51b95f741213fb9493"],"state_sha256":"46c06145ef1e152afa42620157fe856ac56427c5ea165e14aa40c3e813835a11"}