{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:E5UPI75C2PLRUGZSK3E63XJDMW","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":"21c7d404096a1100502aa072d92cb79b8937b80ee1b2ad9d3b5c8cf9f4559604","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2021-03-07T05:34:58Z","title_canon_sha256":"7faad7fb27700d7fc4840f3a6e04ba71c634d196231ab2f4ff53b7f321d0130e"},"schema_version":"1.0","source":{"id":"2103.04275","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.04275","created_at":"2026-07-05T03:00:51Z"},{"alias_kind":"arxiv_version","alias_value":"2103.04275v2","created_at":"2026-07-05T03:00:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.04275","created_at":"2026-07-05T03:00:51Z"},{"alias_kind":"pith_short_12","alias_value":"E5UPI75C2PLR","created_at":"2026-07-05T03:00:51Z"},{"alias_kind":"pith_short_16","alias_value":"E5UPI75C2PLRUGZS","created_at":"2026-07-05T03:00:51Z"},{"alias_kind":"pith_short_8","alias_value":"E5UPI75C","created_at":"2026-07-05T03:00:51Z"}],"graph_snapshots":[{"event_id":"sha256:a8210b6bf9db57963fd04eac07150d07cc42fa002e9c4a9683ae6d07a8462e05","target":"graph","created_at":"2026-07-05T03:00:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2103.04275/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the demonstration of metalorganic vapor phase epitaxy-regrown (MOVPE) ohmic contacts in an all MOVPE-grown $\\beta$-Ga$_2$O$_3$ metal-semiconductor field effect transistor (MESFET). The low-temperature (600$^{\\circ}$C) heavy (n$^{+}$) Si-doped regrown layers exhibit extremely high conductivity with sheet resistance of 73 $\\Omega$/$\\square$ and record low metal/n$^{+}$-Ga$_2$O$_3$ contact resistance of 80 m$\\Omega$.mm and specific contact resistivity of 8.3$\\times$10$^{-7}$ $\\Omega$.cm$^{2}$ were achieved. The fabricated MESFETs exhibit a maximum drain-to-source current of 130 mA/mm","authors_text":"Arkka Bhattacharyya, Daniel Shoemaker, James Spencer Lundh, Praneeth Ranga, Saurav Roy, Sriram Krishnamoorthy, Sukwon Choi, Yiwen Song","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2021-03-07T05:34:58Z","title":"130 mA/mm $\\beta$-Ga$_2$O$_3$ MESFET with Low-Temperature MOVPE-Regrown Ohmic Contacts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.04275","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":"sha256:4d0b89c91042928029098f9ca8455d480faa8552305ac2bac8524426eae2e444","target":"record","created_at":"2026-07-05T03:00:51Z","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":"21c7d404096a1100502aa072d92cb79b8937b80ee1b2ad9d3b5c8cf9f4559604","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2021-03-07T05:34:58Z","title_canon_sha256":"7faad7fb27700d7fc4840f3a6e04ba71c634d196231ab2f4ff53b7f321d0130e"},"schema_version":"1.0","source":{"id":"2103.04275","kind":"arxiv","version":2}},"canonical_sha256":"2768f47fa2d3d71a1b3256c9eddd2365a7f3b29c3ae4db9ceb1ebfb9bb74f34d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2768f47fa2d3d71a1b3256c9eddd2365a7f3b29c3ae4db9ceb1ebfb9bb74f34d","first_computed_at":"2026-07-05T03:00:51.182177Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:00:51.182177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t1VLU5KiEzShRIjNdWdNCjchLMR1ANhaFYaZrAjCpUrGlPBNnAzkblrA3taV5d92irX8dBcC4I+98jtZdi/1Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:00:51.182541Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.04275","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d0b89c91042928029098f9ca8455d480faa8552305ac2bac8524426eae2e444","sha256:a8210b6bf9db57963fd04eac07150d07cc42fa002e9c4a9683ae6d07a8462e05"],"state_sha256":"bf1c46002cccd7b5bca2670a0d73dde16e57da9c4a423b0ad3593c8dd7efb892"}