{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KBMPRUQS2VETO53ANSW4HKBWTK","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":"2a7eef16c8ee31c3cad3f66036609252b38d6a00081f6077dfe7b8a7dd0cf3ec","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-07-16T17:32:00Z","title_canon_sha256":"d6a5e5621ab5c4d755524c4feb229d3c90a77534ec9dd7161a6247c8d89684c5"},"schema_version":"1.0","source":{"id":"2607.15230","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.15230","created_at":"2026-07-17T01:22:15Z"},{"alias_kind":"arxiv_version","alias_value":"2607.15230v1","created_at":"2026-07-17T01:22:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.15230","created_at":"2026-07-17T01:22:15Z"},{"alias_kind":"pith_short_12","alias_value":"KBMPRUQS2VET","created_at":"2026-07-17T01:22:15Z"},{"alias_kind":"pith_short_16","alias_value":"KBMPRUQS2VETO53A","created_at":"2026-07-17T01:22:15Z"},{"alias_kind":"pith_short_8","alias_value":"KBMPRUQS","created_at":"2026-07-17T01:22:15Z"}],"graph_snapshots":[{"event_id":"sha256:47976785e0b5f4d460217242b4f24fb6c198834f25abb9c12102f02d4f2ed09e","target":"graph","created_at":"2026-07-17T01:22:15Z","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/2607.15230/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using molecular beam epitaxy, we have realized thin films of titanium nitride (TiN) on c-plane sapphire that exhibit the lowest observed full-width at half maximum X-ray rocking curve width of 18 arcsec. Though the (111) oriented TiN exhibits an abrupt and crystalline interface with sapphire, for the first time we observe sub-surface defects in the sapphire substrate, which nucleate structural defects in the epitaxial TiN layer. Using quarter-wavelength coplanar waveguide (CPW) resonators in a 3 \\textmu m/6 \\textmu m/3 \\textmu m gap/strip/gap lines in a hanger geometry, we find the internal qu","authors_text":"Amit Rohan Rajapurohita, Anand Ithepalli, Celesta S. Chang, David Muller, Debdeep Jena, Eegene Clara Chung, Haoran Lu, Huili Grace Xing, Keun-Yeol Park, Peter McMahon, Valla Fatemi, Xiangqin Wang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-07-16T17:32:00Z","title":"High-Q superconducting microwave resonators using MBE titanium nitride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.15230","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":"sha256:2746067256c4db77dd928775ed2574ad41c0a9b70789cdcc675f5b55dbc67fdd","target":"record","created_at":"2026-07-17T01:22:15Z","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":"2a7eef16c8ee31c3cad3f66036609252b38d6a00081f6077dfe7b8a7dd0cf3ec","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2026-07-16T17:32:00Z","title_canon_sha256":"d6a5e5621ab5c4d755524c4feb229d3c90a77534ec9dd7161a6247c8d89684c5"},"schema_version":"1.0","source":{"id":"2607.15230","kind":"arxiv","version":1}},"canonical_sha256":"5058f8d212d5493777606cadc3a8369aa802b5b75b78a51924e007ee3bb44208","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5058f8d212d5493777606cadc3a8369aa802b5b75b78a51924e007ee3bb44208","first_computed_at":"2026-07-17T01:22:15.783218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-17T01:22:15.783218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UIoegUvkCPzxgTYkdUiSdiucvwXbfsR8b0i8RJIx7GW8Ve8ywWxa2BNMsiX7KSVV94ik0ZrvDvw38fbR/2/BBQ==","signature_status":"signed_v1","signed_at":"2026-07-17T01:22:15.784051Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.15230","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2746067256c4db77dd928775ed2574ad41c0a9b70789cdcc675f5b55dbc67fdd","sha256:47976785e0b5f4d460217242b4f24fb6c198834f25abb9c12102f02d4f2ed09e"],"state_sha256":"54ab1d954e5b17e4c175def6202de75ce974af527b3dbe04acfab95b7eb3238a"}