{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:AWOQXAJBAA32WEUJPRFVRYAFK4","short_pith_number":"pith:AWOQXAJB","schema_version":"1.0","canonical_sha256":"059d0b81210037ab12897c4b58e005573e80b5216b8c38260005e8d90a95a647","source":{"kind":"arxiv","id":"2003.03054","version":1},"attestation_state":"computed","paper":{"title":"Hexagonal boron nitride as an ideal substrate for carbon nanotube photonics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Ishii, K. Nagashio, K. Otsuka, K. Watanabe, N. Fang, T. Taniguchi, Y. K. Kato","submitted_at":"2020-03-06T07:05:33Z","abstract_excerpt":"Hexagonal boron nitride is widely used as a substrate for two-dimensional materials in both electronic and photonic devices. Here, we demonstrate that two-dimensional hexagonal boron nitride is also an ideal substrate for one-dimensional single-walled carbon nanotubes. Nanotubes directly attached to hexagonal boron nitride show bright photoluminescence with narrow linewidth at room temperature, comparable to air-suspended nanotubes. Using photoluminescence excitation spectroscopy, we unambiguously assign the chiralities of nanotubes on boron nitride by tracking individual tubes before and afte"},"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":"2003.03054","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-03-06T07:05:33Z","cross_cats_sorted":[],"title_canon_sha256":"31617fe848c15631efa7b5ddd0b12f1834b7088bcba0d4823334c4efb041f2b3","abstract_canon_sha256":"3222d3e3d3633344be95fd0b25e52e51a2045b79013428ba0fd59d67611c7982"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:03:14.742972Z","signature_b64":"fb4si3PGT8GxIH87pilmNmSFii5JwP8+rIfN96bvOioKINw9wttMu/F3OSyS2+XiZe7KZh+MyY2V2h89WmprAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"059d0b81210037ab12897c4b58e005573e80b5216b8c38260005e8d90a95a647","last_reissued_at":"2026-07-05T02:03:14.742627Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:03:14.742627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hexagonal boron nitride as an ideal substrate for carbon nanotube photonics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Ishii, K. Nagashio, K. Otsuka, K. Watanabe, N. Fang, T. Taniguchi, Y. K. Kato","submitted_at":"2020-03-06T07:05:33Z","abstract_excerpt":"Hexagonal boron nitride is widely used as a substrate for two-dimensional materials in both electronic and photonic devices. Here, we demonstrate that two-dimensional hexagonal boron nitride is also an ideal substrate for one-dimensional single-walled carbon nanotubes. Nanotubes directly attached to hexagonal boron nitride show bright photoluminescence with narrow linewidth at room temperature, comparable to air-suspended nanotubes. Using photoluminescence excitation spectroscopy, we unambiguously assign the chiralities of nanotubes on boron nitride by tracking individual tubes before and afte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.03054","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2003.03054/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2003.03054","created_at":"2026-07-05T02:03:14.742682+00:00"},{"alias_kind":"arxiv_version","alias_value":"2003.03054v1","created_at":"2026-07-05T02:03:14.742682+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.03054","created_at":"2026-07-05T02:03:14.742682+00:00"},{"alias_kind":"pith_short_12","alias_value":"AWOQXAJBAA32","created_at":"2026-07-05T02:03:14.742682+00:00"},{"alias_kind":"pith_short_16","alias_value":"AWOQXAJBAA32WEUJ","created_at":"2026-07-05T02:03:14.742682+00:00"},{"alias_kind":"pith_short_8","alias_value":"AWOQXAJB","created_at":"2026-07-05T02:03:14.742682+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/AWOQXAJBAA32WEUJPRFVRYAFK4","json":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4.json","graph_json":"https://pith.science/api/pith-number/AWOQXAJBAA32WEUJPRFVRYAFK4/graph.json","events_json":"https://pith.science/api/pith-number/AWOQXAJBAA32WEUJPRFVRYAFK4/events.json","paper":"https://pith.science/paper/AWOQXAJB"},"agent_actions":{"view_html":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4","download_json":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4.json","view_paper":"https://pith.science/paper/AWOQXAJB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2003.03054&json=true","fetch_graph":"https://pith.science/api/pith-number/AWOQXAJBAA32WEUJPRFVRYAFK4/graph.json","fetch_events":"https://pith.science/api/pith-number/AWOQXAJBAA32WEUJPRFVRYAFK4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4/action/storage_attestation","attest_author":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4/action/author_attestation","sign_citation":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4/action/citation_signature","submit_replication":"https://pith.science/pith/AWOQXAJBAA32WEUJPRFVRYAFK4/action/replication_record"}},"created_at":"2026-07-05T02:03:14.742682+00:00","updated_at":"2026-07-05T02:03:14.742682+00:00"}