{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:TMM3QTSKKQJF5QRQ3TIKDCGJNW","short_pith_number":"pith:TMM3QTSK","schema_version":"1.0","canonical_sha256":"9b19b84e4a54125ec230dcd0a188c96d8077f8a5308d58935448c88e42e7dc57","source":{"kind":"arxiv","id":"1805.01420","version":1},"attestation_state":"computed","paper":{"title":"Ultralow friction of ink-jet printed graphene flakes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. E. Del Rio Castillo, A. Gerbi, A. S. Siri, C. Bernini, F. Bonaccorso, F. Palazon, L. Pellegrino, R. Buzio, S. Uttiya, V. Pellegrini","submitted_at":"2018-05-03T16:46:42Z","abstract_excerpt":"We report the frictional response of few-layer graphene (FLG) flakes obtained by liquid phase exfoliation (LPE) of pristine graphite. To this end, we inkjet print FLG on bare and hexamethyldisilazane-terminated SiO2 substrates, producing micrometric patterns with nanoscopic roughness that are investigated by atomic force microscopy. Normal force spectroscopy and atomically resolved morphologies indicate reduced surface contamination by solvents after a vacuum annealing procedure. Notably, the printed FLG flakes show ultralow friction comparable with micromechanically exfoliated graphene flakes"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1805.01420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-03T16:46:42Z","cross_cats_sorted":[],"title_canon_sha256":"78f9f9e9094bf17018778eccc82e54e2d24ed1943b62de23207e53e194fbb58c","abstract_canon_sha256":"c4aced1279b5ffb38baca952f6424af1fdf02c190299ff2344f97882489523df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:51.463538Z","signature_b64":"7kzk2zCKahKNwsk4dRQZEdFTdRNGs8LtQ1/rsx+791klqjuY82AQP/l6JpU+N+sLiFBeO63wCIESurolEENxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b19b84e4a54125ec230dcd0a188c96d8077f8a5308d58935448c88e42e7dc57","last_reissued_at":"2026-05-18T00:16:51.462861Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:51.462861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultralow friction of ink-jet printed graphene flakes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. E. Del Rio Castillo, A. Gerbi, A. S. Siri, C. Bernini, F. Bonaccorso, F. Palazon, L. Pellegrino, R. Buzio, S. Uttiya, V. Pellegrini","submitted_at":"2018-05-03T16:46:42Z","abstract_excerpt":"We report the frictional response of few-layer graphene (FLG) flakes obtained by liquid phase exfoliation (LPE) of pristine graphite. To this end, we inkjet print FLG on bare and hexamethyldisilazane-terminated SiO2 substrates, producing micrometric patterns with nanoscopic roughness that are investigated by atomic force microscopy. Normal force spectroscopy and atomically resolved morphologies indicate reduced surface contamination by solvents after a vacuum annealing procedure. Notably, the printed FLG flakes show ultralow friction comparable with micromechanically exfoliated graphene flakes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01420","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1805.01420","created_at":"2026-05-18T00:16:51.462967+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.01420v1","created_at":"2026-05-18T00:16:51.462967+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01420","created_at":"2026-05-18T00:16:51.462967+00:00"},{"alias_kind":"pith_short_12","alias_value":"TMM3QTSKKQJF","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"TMM3QTSKKQJF5QRQ","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"TMM3QTSK","created_at":"2026-05-18T12:32:53.628368+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW","json":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW.json","graph_json":"https://pith.science/api/pith-number/TMM3QTSKKQJF5QRQ3TIKDCGJNW/graph.json","events_json":"https://pith.science/api/pith-number/TMM3QTSKKQJF5QRQ3TIKDCGJNW/events.json","paper":"https://pith.science/paper/TMM3QTSK"},"agent_actions":{"view_html":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW","download_json":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW.json","view_paper":"https://pith.science/paper/TMM3QTSK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.01420&json=true","fetch_graph":"https://pith.science/api/pith-number/TMM3QTSKKQJF5QRQ3TIKDCGJNW/graph.json","fetch_events":"https://pith.science/api/pith-number/TMM3QTSKKQJF5QRQ3TIKDCGJNW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW/action/storage_attestation","attest_author":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW/action/author_attestation","sign_citation":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW/action/citation_signature","submit_replication":"https://pith.science/pith/TMM3QTSKKQJF5QRQ3TIKDCGJNW/action/replication_record"}},"created_at":"2026-05-18T00:16:51.462967+00:00","updated_at":"2026-05-18T00:16:51.462967+00:00"}