{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:MGR5MQS4JK6EAI4ATA3FDSCOKA","short_pith_number":"pith:MGR5MQS4","schema_version":"1.0","canonical_sha256":"61a3d6425c4abc402380983651c84e50159f2c6bdb4f5cba06fc16eda966a747","source":{"kind":"arxiv","id":"1304.2494","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic characterization of graphene films grown on Pt (111) surface by chemical vapor deposition of ethylene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Politano, A. R. Marino, E. Cazzanelli, G. Chiarello, G. Mariotto, M. Castriota, M. Giarola, T. Caruso","submitted_at":"2013-04-09T09:07:37Z","abstract_excerpt":"This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature. In-situ and ex-situ characterization techniques (low energy electron diffraction, high resolution electron energy loss spectroscopy, scanning electron microscopy and Raman micro-spectroscopy) used here indicate the prevalence of single layer regions and the presence of two different orientations of the graphene sheets with respect to the Pt(111) substrate. In most "},"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":"1304.2494","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-09T09:07:37Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"f22512ce31e130fe93881cfe44be898a2f74847bc963e8f69606cf4d0ffe2429","abstract_canon_sha256":"af4446d9552e7d9a4ea15a2418fe18d1cc3ed70f2c060e0e0303924b04277655"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:41.239084Z","signature_b64":"5od+mOm/lHAzYWgRRfje+ylBV/GydChcQsqJlMPe+yqFsNqN5nHVhn+5KFjslYa80aBFAEQrv5Xmk52HyDsDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61a3d6425c4abc402380983651c84e50159f2c6bdb4f5cba06fc16eda966a747","last_reissued_at":"2026-05-18T01:50:41.237739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:41.237739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic characterization of graphene films grown on Pt (111) surface by chemical vapor deposition of ethylene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Politano, A. R. Marino, E. Cazzanelli, G. Chiarello, G. Mariotto, M. Castriota, M. Giarola, T. Caruso","submitted_at":"2013-04-09T09:07:37Z","abstract_excerpt":"This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature. In-situ and ex-situ characterization techniques (low energy electron diffraction, high resolution electron energy loss spectroscopy, scanning electron microscopy and Raman micro-spectroscopy) used here indicate the prevalence of single layer regions and the presence of two different orientations of the graphene sheets with respect to the Pt(111) substrate. In most "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2494","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":"1304.2494","created_at":"2026-05-18T01:50:41.237849+00:00"},{"alias_kind":"arxiv_version","alias_value":"1304.2494v1","created_at":"2026-05-18T01:50:41.237849+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2494","created_at":"2026-05-18T01:50:41.237849+00:00"},{"alias_kind":"pith_short_12","alias_value":"MGR5MQS4JK6E","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"MGR5MQS4JK6EAI4A","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"MGR5MQS4","created_at":"2026-05-18T12:27:52.871228+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/MGR5MQS4JK6EAI4ATA3FDSCOKA","json":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA.json","graph_json":"https://pith.science/api/pith-number/MGR5MQS4JK6EAI4ATA3FDSCOKA/graph.json","events_json":"https://pith.science/api/pith-number/MGR5MQS4JK6EAI4ATA3FDSCOKA/events.json","paper":"https://pith.science/paper/MGR5MQS4"},"agent_actions":{"view_html":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA","download_json":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA.json","view_paper":"https://pith.science/paper/MGR5MQS4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1304.2494&json=true","fetch_graph":"https://pith.science/api/pith-number/MGR5MQS4JK6EAI4ATA3FDSCOKA/graph.json","fetch_events":"https://pith.science/api/pith-number/MGR5MQS4JK6EAI4ATA3FDSCOKA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA/action/storage_attestation","attest_author":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA/action/author_attestation","sign_citation":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA/action/citation_signature","submit_replication":"https://pith.science/pith/MGR5MQS4JK6EAI4ATA3FDSCOKA/action/replication_record"}},"created_at":"2026-05-18T01:50:41.237849+00:00","updated_at":"2026-05-18T01:50:41.237849+00:00"}