{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7UJPNN7RFIS3NEWBBHWIMXEJ7T","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":"7a1fd0cf9659618f8df0790365110b720c8079d1948bd35adf549775ce44575e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-16T21:51:05Z","title_canon_sha256":"294034a138e2981cfa5c7ca9bacfe2d1383d22038cfb01471a627006a0ccc8db"},"schema_version":"1.0","source":{"id":"1409.4817","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4817","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4817v2","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4817","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"pith_short_12","alias_value":"7UJPNN7RFIS3","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7UJPNN7RFIS3NEWB","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7UJPNN7R","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:b445f3e9cdd6092d4437dec065cbfdd6de51312095bc7395ee6709e09f9d90a1","target":"graph","created_at":"2026-05-18T02:19:28Z","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":"The physics of the metal-insulator transition (MIT) in vanadium dioxide remains a subject of intense interest. Because of the complicating effects of elastic strain on the phase transition, there is interest in comparatively strain-free means of examining VO2 material properties. We report contact-free, low-strain studies of the MIT through an inductive bridge approach sensitive to the magnetic response of VO2 powder. Rather than observing the expected step-like change in susceptibility at the transition, we argue that the measured response is dominated by an analog of the Barkhausen effect, d","authors_text":"Benjamin Huber-Rodriguez, Chih-Wei Chen, Douglas Natelson, Emilia Morosan, Heng Ji, Siu Yi Kwang, Will J. Hardy","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-16T21:51:05Z","title":"Thermally Driven Analog of the Barkhausen Effect at the Metal-Insulator Transition in Vanadium Dioxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4817","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":"sha256:3b6f8c2e8e9f5de1bfac23063d8a12288be5a9af095976db5b9773ddb4ecea55","target":"record","created_at":"2026-05-18T02:19:28Z","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":"7a1fd0cf9659618f8df0790365110b720c8079d1948bd35adf549775ce44575e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-16T21:51:05Z","title_canon_sha256":"294034a138e2981cfa5c7ca9bacfe2d1383d22038cfb01471a627006a0ccc8db"},"schema_version":"1.0","source":{"id":"1409.4817","kind":"arxiv","version":2}},"canonical_sha256":"fd12f6b7f12a25b692c109ec865c89fcf150df9f2cf6f4fbee7365a6321aa7f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd12f6b7f12a25b692c109ec865c89fcf150df9f2cf6f4fbee7365a6321aa7f4","first_computed_at":"2026-05-18T02:19:28.267107Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:28.267107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M+vh37cqtywAGXqrYO4sHSrOtom8DjDvcxBv2u/VK8qt5ImTMtkAN0Api5rs+f//X00ye6pwQdwrmnMStAlxBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:28.267772Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.4817","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b6f8c2e8e9f5de1bfac23063d8a12288be5a9af095976db5b9773ddb4ecea55","sha256:b445f3e9cdd6092d4437dec065cbfdd6de51312095bc7395ee6709e09f9d90a1"],"state_sha256":"4619cdf08f7c722413c0f82e5b337f484fae7f236cddf5f8bf04d653d98c5e13"}