{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:JR2DECUPGVFOW6IPCUXTMPKTLS","short_pith_number":"pith:JR2DECUP","schema_version":"1.0","canonical_sha256":"4c74320a8f354aeb790f152f363d535ca65ee88e6f7f4b53dab9a8d6ae807caf","source":{"kind":"arxiv","id":"2606.08567","version":1},"attestation_state":"computed","paper":{"title":"V-Doped Niobate Nanosheets for Enhanced Photocatalytic Activity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"M. Tu\\u{g}rul Avcu, U\\u{g}ur \\\"Unal","submitted_at":"2026-06-07T10:47:09Z","abstract_excerpt":"V-doped [Ca$_{2}$Nb$_{3-x}$V$_{x}$O$_{10}$]$^{-}$ (x = 0, 0.15, 0.3, 0.6, 0.75) nanosheets were produced by solid state reaction followed by protonation and exfoliation by tetrabutylammonium ions. 2D nanosheets have improved photocatalytic activity due to their small thickness that reduces electron-hole recombination, larger surface area that increases photocatalytic sites, and decreased band gap from added V. V-doping has caused the wide band gap of 3.54 eV of undoped nanosheets to decrease to 2.60-2.88 eV range. 10 vol% methanol was used as a hole scavenger in the hydrogen evolution reaction"},"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":"2606.08567","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-06-07T10:47:09Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"f1221bb4b8c57ad5bbfea72db15561a56403962e0127dd0a00cc11a2ac11522b","abstract_canon_sha256":"7d8a0391ecb2840f01088e1c900ad2f160f2170defb7726230b3a9bf710491cb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:05:40.312719Z","signature_b64":"XU2FBNtSEFgSiXMH7SHaEgjeGxWTKQE6z2kyxLhagdwTdny+bTyeF2xvM+jH1FmVn82ia/BEsYA4cob2qs3MAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c74320a8f354aeb790f152f363d535ca65ee88e6f7f4b53dab9a8d6ae807caf","last_reissued_at":"2026-06-09T01:05:40.312297Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:05:40.312297Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"V-Doped Niobate Nanosheets for Enhanced Photocatalytic Activity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"M. Tu\\u{g}rul Avcu, U\\u{g}ur \\\"Unal","submitted_at":"2026-06-07T10:47:09Z","abstract_excerpt":"V-doped [Ca$_{2}$Nb$_{3-x}$V$_{x}$O$_{10}$]$^{-}$ (x = 0, 0.15, 0.3, 0.6, 0.75) nanosheets were produced by solid state reaction followed by protonation and exfoliation by tetrabutylammonium ions. 2D nanosheets have improved photocatalytic activity due to their small thickness that reduces electron-hole recombination, larger surface area that increases photocatalytic sites, and decreased band gap from added V. V-doping has caused the wide band gap of 3.54 eV of undoped nanosheets to decrease to 2.60-2.88 eV range. 10 vol% methanol was used as a hole scavenger in the hydrogen evolution reaction"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.08567","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/2606.08567/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":"2606.08567","created_at":"2026-06-09T01:05:40.312371+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.08567v1","created_at":"2026-06-09T01:05:40.312371+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.08567","created_at":"2026-06-09T01:05:40.312371+00:00"},{"alias_kind":"pith_short_12","alias_value":"JR2DECUPGVFO","created_at":"2026-06-09T01:05:40.312371+00:00"},{"alias_kind":"pith_short_16","alias_value":"JR2DECUPGVFOW6IP","created_at":"2026-06-09T01:05:40.312371+00:00"},{"alias_kind":"pith_short_8","alias_value":"JR2DECUP","created_at":"2026-06-09T01:05:40.312371+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/JR2DECUPGVFOW6IPCUXTMPKTLS","json":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS.json","graph_json":"https://pith.science/api/pith-number/JR2DECUPGVFOW6IPCUXTMPKTLS/graph.json","events_json":"https://pith.science/api/pith-number/JR2DECUPGVFOW6IPCUXTMPKTLS/events.json","paper":"https://pith.science/paper/JR2DECUP"},"agent_actions":{"view_html":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS","download_json":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS.json","view_paper":"https://pith.science/paper/JR2DECUP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.08567&json=true","fetch_graph":"https://pith.science/api/pith-number/JR2DECUPGVFOW6IPCUXTMPKTLS/graph.json","fetch_events":"https://pith.science/api/pith-number/JR2DECUPGVFOW6IPCUXTMPKTLS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS/action/storage_attestation","attest_author":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS/action/author_attestation","sign_citation":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS/action/citation_signature","submit_replication":"https://pith.science/pith/JR2DECUPGVFOW6IPCUXTMPKTLS/action/replication_record"}},"created_at":"2026-06-09T01:05:40.312371+00:00","updated_at":"2026-06-09T01:05:40.312371+00:00"}