{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EQYQWFCRBF5LCW7IYFGMXUCNQY","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":"35a8f8760c782eaa37f7025697ff6ff4d9a15193e5ad2025d14d774eab7c0f85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-22T06:04:00Z","title_canon_sha256":"07ebbde1748c02bae310a899ac972fb114cccabfb3e5c661dd5c8304f3887f4b"},"schema_version":"1.0","source":{"id":"1305.5027","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.5027","created_at":"2026-05-18T03:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1305.5027v2","created_at":"2026-05-18T03:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5027","created_at":"2026-05-18T03:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"EQYQWFCRBF5L","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EQYQWFCRBF5LCW7I","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EQYQWFCR","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:b9407b36915625c8c7d0e05669166663de6e47fecba12a195b1f6eb06a3b7a72","target":"graph","created_at":"2026-05-18T03:03:20Z","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":"We have investigated the temperature and magnetic field dependence of magnetization, specific heat ($C_p$), and relative sample length change ($\\Delta L/L_0$) for understanding the field-induced spin-structural change in quasi-one-dimensional spin chain $\\alpha$-CoV$_2$O$_6$ which undergoes antiferromagnetic (AFM) transition below $T_N$$=$15 K. Analysis of $C_p$($T$) shows that an effective $S$$=$1/2 Ising state is realized below 20 K, though the magnetic fluctuations persist well above $T_N$. $C_p$ and the coefficient of linear thermal expansion ($\\alpha$) exhibit strong $H$ dependence in the","authors_text":"A. Midya, D. Bhoi, M. Nandi, N. Khan, P. Mandal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-22T06:04:00Z","title":"Field-induced spin-structural transition and giant magnetostriction in Ising chain $\\alpha$-CoV$_2$O$_6$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5027","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:c963c6c85cd428cbdd89fb49090abe4913558893bcc5baddd69b0886d008d242","target":"record","created_at":"2026-05-18T03:03:20Z","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":"35a8f8760c782eaa37f7025697ff6ff4d9a15193e5ad2025d14d774eab7c0f85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-22T06:04:00Z","title_canon_sha256":"07ebbde1748c02bae310a899ac972fb114cccabfb3e5c661dd5c8304f3887f4b"},"schema_version":"1.0","source":{"id":"1305.5027","kind":"arxiv","version":2}},"canonical_sha256":"24310b1451097ab15be8c14ccbd04d86128f1ff372f1851714e7b49afba71665","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24310b1451097ab15be8c14ccbd04d86128f1ff372f1851714e7b49afba71665","first_computed_at":"2026-05-18T03:03:20.954638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:03:20.954638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ajwz63/eb+LZPtaHHuG0CoOMwwgv3XdjFFMNUm2cx2l4R3msL7Ayv1yWI5oiOzTvLxbDpO81MZC45UPt8EAnCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:03:20.955586Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.5027","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c963c6c85cd428cbdd89fb49090abe4913558893bcc5baddd69b0886d008d242","sha256:b9407b36915625c8c7d0e05669166663de6e47fecba12a195b1f6eb06a3b7a72"],"state_sha256":"7c6da6b638e7adf77c33c5dda7617ee7e93dd71efdbc9ae53e4b6da47a5d086e"}