{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:I5OAGV5AD5E64BRRRQ7RQQNEK6","short_pith_number":"pith:I5OAGV5A","schema_version":"1.0","canonical_sha256":"475c0357a01f49ee06318c3f1841a457a2448d0058e67eb52de599a00d2b2e10","source":{"kind":"arxiv","id":"2606.01731","version":1},"attestation_state":"computed","paper":{"title":"Near-UV Single-Pixel Imaging with All-Inorganic Lead-Free Perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chaohao Chen, Chun-Ho Lin, Dewei Chu, Igor Aharonovich, Jiyun Kim, Xinyang Yu, Zijian Feng","submitted_at":"2026-06-01T05:52:31Z","abstract_excerpt":"Single-pixel imaging (SPI) is a powerful computational imaging technology that reconstructs spatial information from sequentially encoded optoelectrical signals without pixelated detector arrays. Solution-processible metal halide perovskites are promising photoactive candidates for SPI, but the toxicity of lead-based compositions remains a critical barrier to practical development. Here, we demonstrate one-step fabrication of low-dimensional, lead-free K$_2$CuBr$_3$ thin film as near-UV photoactive channels for single-pixel imaging. By systematic antisolvent engineering, compact and uniform K2"},"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":"2606.01731","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-06-01T05:52:31Z","cross_cats_sorted":[],"title_canon_sha256":"12989ad4457c5f728071d14459698493aa96ef307f583d5554b147d6f1658c07","abstract_canon_sha256":"5c85e72b8380ee3435affc5a6895e5122079829e099ea47a96acbe78e060f4cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:55.293513Z","signature_b64":"U2aRDh4orSW74qXwQ9mUXCgxubrqOIEbjhyApSi0XvLIIl4sgoJXWaTL25BYsoUWPHWmEwRqnQNumyxqecfOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"475c0357a01f49ee06318c3f1841a457a2448d0058e67eb52de599a00d2b2e10","last_reissued_at":"2026-06-02T02:04:55.293113Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:55.293113Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Near-UV Single-Pixel Imaging with All-Inorganic Lead-Free Perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chaohao Chen, Chun-Ho Lin, Dewei Chu, Igor Aharonovich, Jiyun Kim, Xinyang Yu, Zijian Feng","submitted_at":"2026-06-01T05:52:31Z","abstract_excerpt":"Single-pixel imaging (SPI) is a powerful computational imaging technology that reconstructs spatial information from sequentially encoded optoelectrical signals without pixelated detector arrays. Solution-processible metal halide perovskites are promising photoactive candidates for SPI, but the toxicity of lead-based compositions remains a critical barrier to practical development. Here, we demonstrate one-step fabrication of low-dimensional, lead-free K$_2$CuBr$_3$ thin film as near-UV photoactive channels for single-pixel imaging. By systematic antisolvent engineering, compact and uniform K2"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01731","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/2606.01731/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":"2606.01731","created_at":"2026-06-02T02:04:55.293166+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.01731v1","created_at":"2026-06-02T02:04:55.293166+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01731","created_at":"2026-06-02T02:04:55.293166+00:00"},{"alias_kind":"pith_short_12","alias_value":"I5OAGV5AD5E6","created_at":"2026-06-02T02:04:55.293166+00:00"},{"alias_kind":"pith_short_16","alias_value":"I5OAGV5AD5E64BRR","created_at":"2026-06-02T02:04:55.293166+00:00"},{"alias_kind":"pith_short_8","alias_value":"I5OAGV5A","created_at":"2026-06-02T02:04:55.293166+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/I5OAGV5AD5E64BRRRQ7RQQNEK6","json":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6.json","graph_json":"https://pith.science/api/pith-number/I5OAGV5AD5E64BRRRQ7RQQNEK6/graph.json","events_json":"https://pith.science/api/pith-number/I5OAGV5AD5E64BRRRQ7RQQNEK6/events.json","paper":"https://pith.science/paper/I5OAGV5A"},"agent_actions":{"view_html":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6","download_json":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6.json","view_paper":"https://pith.science/paper/I5OAGV5A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.01731&json=true","fetch_graph":"https://pith.science/api/pith-number/I5OAGV5AD5E64BRRRQ7RQQNEK6/graph.json","fetch_events":"https://pith.science/api/pith-number/I5OAGV5AD5E64BRRRQ7RQQNEK6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6/action/storage_attestation","attest_author":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6/action/author_attestation","sign_citation":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6/action/citation_signature","submit_replication":"https://pith.science/pith/I5OAGV5AD5E64BRRRQ7RQQNEK6/action/replication_record"}},"created_at":"2026-06-02T02:04:55.293166+00:00","updated_at":"2026-06-02T02:04:55.293166+00:00"}