{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZBPPX5R7R3K75OSHZ5JFFTLN6S","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":"fc0ccba86c63d23383daef705ee4ee88d9a93b2e2eda1f9bb383132ca6c57cab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-09-18T14:56:21Z","title_canon_sha256":"bc5f9ede3fa8c24d545ab49b25641264dd17590ad064cb7575e61dfc3582cdf1"},"schema_version":"1.0","source":{"id":"1909.08488","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.08488","created_at":"2026-07-05T00:41:38Z"},{"alias_kind":"arxiv_version","alias_value":"1909.08488v2","created_at":"2026-07-05T00:41:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.08488","created_at":"2026-07-05T00:41:38Z"},{"alias_kind":"pith_short_12","alias_value":"ZBPPX5R7R3K7","created_at":"2026-07-05T00:41:38Z"},{"alias_kind":"pith_short_16","alias_value":"ZBPPX5R7R3K75OSH","created_at":"2026-07-05T00:41:38Z"},{"alias_kind":"pith_short_8","alias_value":"ZBPPX5R7","created_at":"2026-07-05T00:41:38Z"}],"graph_snapshots":[{"event_id":"sha256:f8b14a2db072de43348e1c8675abbe65421d74354e9e69bf1d9d539fab51d122","target":"graph","created_at":"2026-07-05T00:41:38Z","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/1909.08488/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that ordered monolayers of organic molecules stabilized by hydrogen bonding on the surface of exfoliated few-layer hexagonal boron nitride (hBN) flakes may be incorporated into van der Waals heterostructures with integral few-layer graphene contacts forming a molecular/2D hybrid tunneling diode. Electrons can tunnel from through the hBN/molecular barrier under an applied voltage VSD and we observe molecular electroluminescence from an excited singlet state with an emitted photon energy > eVSD, indicating up-conversion by energies up to ~ 1 eV. We show that tunnelling electrons excite e","authors_text":"Alex Summerfield, Anton S. Nizovtsev, Elena Besley, Elisa Antol\\'in, James Kerfoot, Kenji Watanabe, Peter H. Beton, Simon A. Svatek, Takashi Taniguchi, Vladimir V. Korolkov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-09-18T14:56:21Z","title":"Triplet excitation and electroluminescence from a supramolecular monolayer embedded in a boron nitride tunnel barrier"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.08488","kind":"arxiv","version":2},"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":"sha256:6d3890b8276604791900aecf6bd297aa5264f2ebafc758c07dc9f99f12ae8847","target":"record","created_at":"2026-07-05T00:41:38Z","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":"fc0ccba86c63d23383daef705ee4ee88d9a93b2e2eda1f9bb383132ca6c57cab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-09-18T14:56:21Z","title_canon_sha256":"bc5f9ede3fa8c24d545ab49b25641264dd17590ad064cb7575e61dfc3582cdf1"},"schema_version":"1.0","source":{"id":"1909.08488","kind":"arxiv","version":2}},"canonical_sha256":"c85efbf63f8ed5feba47cf5252cd6df4804492ac1d67b358efaa50634db2100b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c85efbf63f8ed5feba47cf5252cd6df4804492ac1d67b358efaa50634db2100b","first_computed_at":"2026-07-05T00:41:38.669948Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:41:38.669948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WUdp406Sz8Cw+W0NSlnYdGlLDsx2t0K3/lW+6KMnu1zm0JTIvuNMi/r7BJFDkG5M7PdYzya0++vaKPRDQxCvDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:41:38.670386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.08488","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d3890b8276604791900aecf6bd297aa5264f2ebafc758c07dc9f99f12ae8847","sha256:f8b14a2db072de43348e1c8675abbe65421d74354e9e69bf1d9d539fab51d122"],"state_sha256":"f1139edc0a2f724a05d1dc5dc80fcc54516fc8d26887d31f7612dd4703f73bdf"}