{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XKM2VRFM2Z3HFQVQLZQ6YX4SLF","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":"304a4e00dfc4341e651f044445cdc96c50ac798022b943bade490dadc5941cef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-09-01T11:25:19Z","title_canon_sha256":"870b2eaae14c3c15df6e80526de1171f8689abd877a682fd81c9ec973bd38f07"},"schema_version":"1.0","source":{"id":"2109.00308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.00308","created_at":"2026-07-05T03:10:45Z"},{"alias_kind":"arxiv_version","alias_value":"2109.00308v1","created_at":"2026-07-05T03:10:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.00308","created_at":"2026-07-05T03:10:45Z"},{"alias_kind":"pith_short_12","alias_value":"XKM2VRFM2Z3H","created_at":"2026-07-05T03:10:45Z"},{"alias_kind":"pith_short_16","alias_value":"XKM2VRFM2Z3HFQVQ","created_at":"2026-07-05T03:10:45Z"},{"alias_kind":"pith_short_8","alias_value":"XKM2VRFM","created_at":"2026-07-05T03:10:45Z"}],"graph_snapshots":[{"event_id":"sha256:ff7d385316e0a70035747b30c6a8b5a4e6686fe62739914e1199ffba11b99d78","target":"graph","created_at":"2026-07-05T03:10:45Z","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/2109.00308/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Graphene grown via chemical vapour deposition (CVD) on copper foil has emerged as a high-quality, scalable material, that can be easily integrated on technologically relevant platforms to develop promising applications in the fields of optoelectronics and photonics. Most of these applications require low-contaminated high-mobility graphene (i.e., approaching 10 000 $cm^2 V^{-1} s^{-1}$) at room temperature) to reduce device losses and implement compact device design. To date, these mobility values are only obtained when suspending or encapsulating graphene. Here, we demonstrate a rapid, facile","authors_text":"Ayush Tyagi, Camilla Coletti, Damien Aureau, Fabio Beltram, Jihene Zribi, Leonardo Martini, Marco A. Giambra, Marco Romagnoli, Mathieu Fr\\'egnaux, Neeraj Mishra, Stiven Forti, Vaidotas Mi\\v{s}eikis, Zewdu M. Gebeyehu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-09-01T11:25:19Z","title":"Ultra-clean high-mobility graphene on technologically relevant substrates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.00308","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":"sha256:0edcd64ab9247cc7daaa4d27d07866a1438501b571905ead469e579b18d4d69f","target":"record","created_at":"2026-07-05T03:10:45Z","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":"304a4e00dfc4341e651f044445cdc96c50ac798022b943bade490dadc5941cef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-09-01T11:25:19Z","title_canon_sha256":"870b2eaae14c3c15df6e80526de1171f8689abd877a682fd81c9ec973bd38f07"},"schema_version":"1.0","source":{"id":"2109.00308","kind":"arxiv","version":1}},"canonical_sha256":"ba99aac4acd67672c2b05e61ec5f9259764019c67a504ebdb0440f05e573e365","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba99aac4acd67672c2b05e61ec5f9259764019c67a504ebdb0440f05e573e365","first_computed_at":"2026-07-05T03:10:45.183483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:10:45.183483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"heHFZN7ofrVNAkbjmbdT0oVWCHKG+Cr+wHdiWan/xAXEn58y2hJ0mML+Ft4bKdgw/Aq4fh7PuTbd3pYqgc3lCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:10:45.183955Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.00308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0edcd64ab9247cc7daaa4d27d07866a1438501b571905ead469e579b18d4d69f","sha256:ff7d385316e0a70035747b30c6a8b5a4e6686fe62739914e1199ffba11b99d78"],"state_sha256":"052e3d5d37dc0e379c61697dfcbfc4d5ee8d70d62b5f5de70d56ef17a23197d6"}