{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:RNL5R6V24QRA6ZIWEXCU4ZCOXS","short_pith_number":"pith:RNL5R6V2","canonical_record":{"source":{"id":"cond-mat/0402485","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-19T04:14:41Z","cross_cats_sorted":[],"title_canon_sha256":"abeb0a93114055886720ccb32557123b5c0e82a5a8b6f95ad9053117ac53c1b9","abstract_canon_sha256":"1c2e7719510b41a4d1fbc8b2cb1579e0d50b6cd7e4f73ba03d42503e476d7387"},"schema_version":"1.0"},"canonical_sha256":"8b57d8fabae4220f651625c54e644ebcbb138c2b4b7b64bafe45c7f9408b7fac","source":{"kind":"arxiv","id":"cond-mat/0402485","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0402485","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0402485v2","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0402485","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"RNL5R6V24QRA","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"RNL5R6V24QRA6ZIW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"RNL5R6V2","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:RNL5R6V24QRA6ZIWEXCU4ZCOXS","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0402485","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-19T04:14:41Z","cross_cats_sorted":[],"title_canon_sha256":"abeb0a93114055886720ccb32557123b5c0e82a5a8b6f95ad9053117ac53c1b9","abstract_canon_sha256":"1c2e7719510b41a4d1fbc8b2cb1579e0d50b6cd7e4f73ba03d42503e476d7387"},"schema_version":"1.0"},"canonical_sha256":"8b57d8fabae4220f651625c54e644ebcbb138c2b4b7b64bafe45c7f9408b7fac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:58.461785Z","signature_b64":"nYh1AKG5V73P6cXeFxFHwM8GUg+3aQrIAPqEJTDkjExn/LjMrXcxAoIaVZwMwPIPHSFLDeLmeHH0Go+vHdrrBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b57d8fabae4220f651625c54e644ebcbb138c2b4b7b64bafe45c7f9408b7fac","last_reissued_at":"2026-05-18T01:39:58.461239Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:58.461239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0402485","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TJ7U11FBBMNNyuhCskOdLcZ38bplQDdrm5YQwnzSY4V97f40bC+SC/DVTERRr4bdELClYet8l+jEVomMvgMTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:43:56.630602Z"},"content_sha256":"12275adcb7ded4ed89039930228e1a06e0cb14201c4da066b05c979bb7054fa0","schema_version":"1.0","event_id":"sha256:12275adcb7ded4ed89039930228e1a06e0cb14201c4da066b05c979bb7054fa0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:RNL5R6V24QRA6ZIWEXCU4ZCOXS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of First-Order Metal-Insulator Transition without Structural Phase Transition in VO_2","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"B. G. Chae, D. H. Youn, Hyun-Tak Kim, K. Kim, K. O. Kim, K. Y. Kang, S. J. Lee, Yong-Sik Lim","submitted_at":"2004-02-19T04:14:41Z","abstract_excerpt":"An abrupt first-order metal-insulator transition (MIT) without structural phase transition is first observed by current-voltage measurements and micro-Raman scattering experiments, when a DC electric field is applied to a Mott insulator VO_2 based two-terminal device. An abrupt current jump is measured at a critical electric field. The Raman-shift frequency and the bandwidth of the most predominant Raman-active A_g mode, excited by the electric field, do not change through the abrupt MIT, while, they, excited by temperature, pronouncedly soften and damp (structural MIT), respectively. This str"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0402485","kind":"arxiv","version":2},"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":"2026-05-18T01:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fCpPHZkZP0QTxPH9pb96MGXg/0jE/qmMG4fyMWOSc/5kk9ywig4q3aoG8CWTs5tSTOAvvs7/vN2pPd5SvrlICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:43:56.631280Z"},"content_sha256":"619fde2f4767cc8c1aedbd8aaebe110c67c1b3a37256627f9c23fe87fb4bbc22","schema_version":"1.0","event_id":"sha256:619fde2f4767cc8c1aedbd8aaebe110c67c1b3a37256627f9c23fe87fb4bbc22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS/bundle.json","state_url":"https://pith.science/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS/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":"2026-05-26T19:43:56Z","links":{"resolver":"https://pith.science/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS","bundle":"https://pith.science/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS/bundle.json","state":"https://pith.science/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RNL5R6V24QRA6ZIWEXCU4ZCOXS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:RNL5R6V24QRA6ZIWEXCU4ZCOXS","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":"1c2e7719510b41a4d1fbc8b2cb1579e0d50b6cd7e4f73ba03d42503e476d7387","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-19T04:14:41Z","title_canon_sha256":"abeb0a93114055886720ccb32557123b5c0e82a5a8b6f95ad9053117ac53c1b9"},"schema_version":"1.0","source":{"id":"cond-mat/0402485","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0402485","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0402485v2","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0402485","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"RNL5R6V24QRA","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"RNL5R6V24QRA6ZIW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"RNL5R6V2","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:619fde2f4767cc8c1aedbd8aaebe110c67c1b3a37256627f9c23fe87fb4bbc22","target":"graph","created_at":"2026-05-18T01:39:58Z","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":"An abrupt first-order metal-insulator transition (MIT) without structural phase transition is first observed by current-voltage measurements and micro-Raman scattering experiments, when a DC electric field is applied to a Mott insulator VO_2 based two-terminal device. An abrupt current jump is measured at a critical electric field. The Raman-shift frequency and the bandwidth of the most predominant Raman-active A_g mode, excited by the electric field, do not change through the abrupt MIT, while, they, excited by temperature, pronouncedly soften and damp (structural MIT), respectively. This str","authors_text":"B. G. Chae, D. H. Youn, Hyun-Tak Kim, K. Kim, K. O. Kim, K. Y. Kang, S. J. Lee, Yong-Sik Lim","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-19T04:14:41Z","title":"Observation of First-Order Metal-Insulator Transition without Structural Phase Transition in VO_2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0402485","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":"sha256:12275adcb7ded4ed89039930228e1a06e0cb14201c4da066b05c979bb7054fa0","target":"record","created_at":"2026-05-18T01:39:58Z","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":"1c2e7719510b41a4d1fbc8b2cb1579e0d50b6cd7e4f73ba03d42503e476d7387","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2004-02-19T04:14:41Z","title_canon_sha256":"abeb0a93114055886720ccb32557123b5c0e82a5a8b6f95ad9053117ac53c1b9"},"schema_version":"1.0","source":{"id":"cond-mat/0402485","kind":"arxiv","version":2}},"canonical_sha256":"8b57d8fabae4220f651625c54e644ebcbb138c2b4b7b64bafe45c7f9408b7fac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b57d8fabae4220f651625c54e644ebcbb138c2b4b7b64bafe45c7f9408b7fac","first_computed_at":"2026-05-18T01:39:58.461239Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:58.461239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nYh1AKG5V73P6cXeFxFHwM8GUg+3aQrIAPqEJTDkjExn/LjMrXcxAoIaVZwMwPIPHSFLDeLmeHH0Go+vHdrrBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:58.461785Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0402485","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12275adcb7ded4ed89039930228e1a06e0cb14201c4da066b05c979bb7054fa0","sha256:619fde2f4767cc8c1aedbd8aaebe110c67c1b3a37256627f9c23fe87fb4bbc22"],"state_sha256":"5ca6740c9021a058ac8c248340148bbde95040f6fc8fed1b247e33e63e140bc3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AoexX65A/Kzoo+yLv+zYbGQASq/VjzircLpg/XqVYr6c6AcQ3vlwmZ4y2Q8F/hDGc5SAPmxO7+3wUgYvG0WQBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:43:56.635230Z","bundle_sha256":"a5fda412198a4e6e053019251957ef9c5623e34dc31b73d38628f88bc51bf429"}}