{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3MRK5FIKJHPT5CVYIL66DGITUP","short_pith_number":"pith:3MRK5FIK","canonical_record":{"source":{"id":"1407.1304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-04T19:37:10Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"0f892315a70c2059c449cb12b703200990161dbac7f0a167d944be345ca01c71","abstract_canon_sha256":"e18cb249e1905e9d6a95cd66c7904d5d86974af146931c72f142e272110bf6d0"},"schema_version":"1.0"},"canonical_sha256":"db22ae950a49df3e8ab842fde19913a3c3a94d05016cb00c529c52e82807329a","source":{"kind":"arxiv","id":"1407.1304","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1304","created_at":"2026-05-18T02:48:18Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1304v1","created_at":"2026-05-18T02:48:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1304","created_at":"2026-05-18T02:48:18Z"},{"alias_kind":"pith_short_12","alias_value":"3MRK5FIKJHPT","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3MRK5FIKJHPT5CVY","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3MRK5FIK","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3MRK5FIKJHPT5CVYIL66DGITUP","target":"record","payload":{"canonical_record":{"source":{"id":"1407.1304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-04T19:37:10Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"0f892315a70c2059c449cb12b703200990161dbac7f0a167d944be345ca01c71","abstract_canon_sha256":"e18cb249e1905e9d6a95cd66c7904d5d86974af146931c72f142e272110bf6d0"},"schema_version":"1.0"},"canonical_sha256":"db22ae950a49df3e8ab842fde19913a3c3a94d05016cb00c529c52e82807329a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:18.147050Z","signature_b64":"raU2+qUqNQhaFJM6TFqIC1CCeH3XGfajnV8gGD4j6865P5P9f+4kx/2nifVjJG16zO8HfH53GdHbQ0tfQaTDAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db22ae950a49df3e8ab842fde19913a3c3a94d05016cb00c529c52e82807329a","last_reissued_at":"2026-05-18T02:48:18.146543Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:18.146543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.1304","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":"2026-05-18T02:48:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LS85xrE3oBAntO2jwuRSvPsuzMYF3j7Fltz4jZxjMpc90PFezOVuL7mlW4SJteE+uSOi341z7py2yPJ4xqhkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:32:18.880412Z"},"content_sha256":"2601e0439180d6a48f7dd5259842e6d97d190a0b9f3eeff07f9e9fc6eef5a06c","schema_version":"1.0","event_id":"sha256:2601e0439180d6a48f7dd5259842e6d97d190a0b9f3eeff07f9e9fc6eef5a06c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3MRK5FIKJHPT5CVYIL66DGITUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A photoinduced metallic phase of monoclinic vanadium dioxide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Ali Hendaoui, Andrew Bruhacs, Bradley J. Siwick, Kunal L. Tiwari, Mohamed Chaker, Robert P. Chatelain, Vance R. Morrison","submitted_at":"2014-07-04T19:37:10Z","abstract_excerpt":"The complex interplay between several active degrees of freedom (charge, lattice, orbtial and spin order) is thought to determine the electronic properties of many oxides, but the respective role of the various contributions is often extremely difficult to determine. Vanadium dioxide (VO$_2$) is a particularly notorious example. Here we report on combined ultrafast electron diffraction (UED) and infrared transmissivity experiments in which we directly watch and separate the lattice and charge density reorganizations that are associated with the optically-induced semiconductor-metal transition "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1304","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":"2026-05-18T02:48:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9FxqiHVASUWFD6/Ikm+pA9kGol5gM+BBUz5FvOZBAyqqu8AeZ29cAj8Yxpk0yZKGqEPM05ZpgOxT/SnnzK9RBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:32:18.881056Z"},"content_sha256":"40f6b3cd3dd78682c1c6834154d162bd696a4d2f5733a020f20ecc14c461756a","schema_version":"1.0","event_id":"sha256:40f6b3cd3dd78682c1c6834154d162bd696a4d2f5733a020f20ecc14c461756a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3MRK5FIKJHPT5CVYIL66DGITUP/bundle.json","state_url":"https://pith.science/pith/3MRK5FIKJHPT5CVYIL66DGITUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3MRK5FIKJHPT5CVYIL66DGITUP/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":"2026-05-27T01:32:18Z","links":{"resolver":"https://pith.science/pith/3MRK5FIKJHPT5CVYIL66DGITUP","bundle":"https://pith.science/pith/3MRK5FIKJHPT5CVYIL66DGITUP/bundle.json","state":"https://pith.science/pith/3MRK5FIKJHPT5CVYIL66DGITUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3MRK5FIKJHPT5CVYIL66DGITUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3MRK5FIKJHPT5CVYIL66DGITUP","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":"e18cb249e1905e9d6a95cd66c7904d5d86974af146931c72f142e272110bf6d0","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-04T19:37:10Z","title_canon_sha256":"0f892315a70c2059c449cb12b703200990161dbac7f0a167d944be345ca01c71"},"schema_version":"1.0","source":{"id":"1407.1304","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1304","created_at":"2026-05-18T02:48:18Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1304v1","created_at":"2026-05-18T02:48:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1304","created_at":"2026-05-18T02:48:18Z"},{"alias_kind":"pith_short_12","alias_value":"3MRK5FIKJHPT","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3MRK5FIKJHPT5CVY","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3MRK5FIK","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:40f6b3cd3dd78682c1c6834154d162bd696a4d2f5733a020f20ecc14c461756a","target":"graph","created_at":"2026-05-18T02:48:18Z","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 complex interplay between several active degrees of freedom (charge, lattice, orbtial and spin order) is thought to determine the electronic properties of many oxides, but the respective role of the various contributions is often extremely difficult to determine. Vanadium dioxide (VO$_2$) is a particularly notorious example. Here we report on combined ultrafast electron diffraction (UED) and infrared transmissivity experiments in which we directly watch and separate the lattice and charge density reorganizations that are associated with the optically-induced semiconductor-metal transition ","authors_text":"Ali Hendaoui, Andrew Bruhacs, Bradley J. Siwick, Kunal L. Tiwari, Mohamed Chaker, Robert P. Chatelain, Vance R. Morrison","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-04T19:37:10Z","title":"A photoinduced metallic phase of monoclinic vanadium dioxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1304","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":"sha256:2601e0439180d6a48f7dd5259842e6d97d190a0b9f3eeff07f9e9fc6eef5a06c","target":"record","created_at":"2026-05-18T02:48:18Z","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":"e18cb249e1905e9d6a95cd66c7904d5d86974af146931c72f142e272110bf6d0","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-04T19:37:10Z","title_canon_sha256":"0f892315a70c2059c449cb12b703200990161dbac7f0a167d944be345ca01c71"},"schema_version":"1.0","source":{"id":"1407.1304","kind":"arxiv","version":1}},"canonical_sha256":"db22ae950a49df3e8ab842fde19913a3c3a94d05016cb00c529c52e82807329a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db22ae950a49df3e8ab842fde19913a3c3a94d05016cb00c529c52e82807329a","first_computed_at":"2026-05-18T02:48:18.146543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:18.146543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"raU2+qUqNQhaFJM6TFqIC1CCeH3XGfajnV8gGD4j6865P5P9f+4kx/2nifVjJG16zO8HfH53GdHbQ0tfQaTDAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:18.147050Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.1304","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2601e0439180d6a48f7dd5259842e6d97d190a0b9f3eeff07f9e9fc6eef5a06c","sha256:40f6b3cd3dd78682c1c6834154d162bd696a4d2f5733a020f20ecc14c461756a"],"state_sha256":"e2d1e0137b35715075462c2a4b02fe0cec6291cc9b96bcc29e9e9919c987a845"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CU4JCD8rC52XG82qXaft3TGNViBlP5+jGoTGEp4QiFDqwpS1Iwx1j0hjz3voZy7mFlOtZ6w+Pw5eSaDsEKXRDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:32:18.883741Z","bundle_sha256":"ed35cf659506fa822c705f89c0ce5dee02d357b1f0b45e30a3b188771e60de1a"}}