{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:N47WSSPNSAIZGXIWXMOLU5AHCX","short_pith_number":"pith:N47WSSPN","canonical_record":{"source":{"id":"2408.11373","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-21T06:49:35Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"ccc26a52442fcffb929bd25c1716a25cf55b1b37bd1027b7b8c853369fe6cbb6","abstract_canon_sha256":"95447365f81880167eae383f5e0a961a73955309b238751bc4e09830a55e0705"},"schema_version":"1.0"},"canonical_sha256":"6f3f6949ed9011935d16bb1cba740715f89a7b247a126a7df58768d80abd7be1","source":{"kind":"arxiv","id":"2408.11373","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.11373","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"arxiv_version","alias_value":"2408.11373v1","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.11373","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"pith_short_12","alias_value":"N47WSSPNSAIZ","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"pith_short_16","alias_value":"N47WSSPNSAIZGXIW","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"pith_short_8","alias_value":"N47WSSPN","created_at":"2026-07-05T08:57:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:N47WSSPNSAIZGXIWXMOLU5AHCX","target":"record","payload":{"canonical_record":{"source":{"id":"2408.11373","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-21T06:49:35Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"ccc26a52442fcffb929bd25c1716a25cf55b1b37bd1027b7b8c853369fe6cbb6","abstract_canon_sha256":"95447365f81880167eae383f5e0a961a73955309b238751bc4e09830a55e0705"},"schema_version":"1.0"},"canonical_sha256":"6f3f6949ed9011935d16bb1cba740715f89a7b247a126a7df58768d80abd7be1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:57:42.908583Z","signature_b64":"qUh1T7y/YDqx3tEhMySvDXrrldYoUGP/zUNewFx9N7h62aRX+QV+T4U9kpH1mQgwuLlUOIOPOyb1kMUQkssDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f3f6949ed9011935d16bb1cba740715f89a7b247a126a7df58768d80abd7be1","last_reissued_at":"2026-07-05T08:57:42.908071Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:57:42.908071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.11373","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:57:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hl1zDd0G5GzDXulnxIyWtNuNyB78zfHhxYBqNlSqwGqf9BCko3exNodRXNuWwKPM/eQZpb7dKKyMYEK886+VBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:45:37.874774Z"},"content_sha256":"8d31109bc338b6696c8bbb5ac498ca9341c3218fcf84076f5c0aa5d5a87f1677","schema_version":"1.0","event_id":"sha256:8d31109bc338b6696c8bbb5ac498ca9341c3218fcf84076f5c0aa5d5a87f1677"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:N47WSSPNSAIZGXIWXMOLU5AHCX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revealing the nontrivial topological surface states of catalysts for effective photochemical carbon dioxide conversion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chao Zhang, Huichao Wang, Huixia Luo, Kai Yan, Kangwang Wang, Kuan Li, Lingyong Zeng, Longfu Li, Nannan Tang, Peifeng Yu, Rui Chen, Yongqing Cai, Zaichen Xiang","submitted_at":"2024-08-21T06:49:35Z","abstract_excerpt":"Topological semimetals with protected surface states mark a new paradigm of research beyond the early landmarks of band-structure engineering, allowing fabrication of efficient catalyst to harness the rich metallic surface states to activate specific chemical processes. Herein, we demonstrate a facile solid-phase method for in-situ doping of Ir at the Os sites in the Os3Sn7, an alloy with topological states, which significantly improves the photocatalytic performance for the reduction of CO2 to CO and CH4. Experimental evidence combined with theoretical calculations reveal that the nontrivial "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.11373","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/2408.11373/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:57:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RDaOpa6Fct9Cp2/G2ZMIKXpiEQjZ2EvY3LWSeZWpSGhuQJkPVY7jxSYaLP1LA+0g7J5nZlnjstMIQcpgjPyuCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:45:37.875167Z"},"content_sha256":"5bd3f824e53966b759f858b14372059ad953efb09b68954715e784b8b088db46","schema_version":"1.0","event_id":"sha256:5bd3f824e53966b759f858b14372059ad953efb09b68954715e784b8b088db46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N47WSSPNSAIZGXIWXMOLU5AHCX/bundle.json","state_url":"https://pith.science/pith/N47WSSPNSAIZGXIWXMOLU5AHCX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N47WSSPNSAIZGXIWXMOLU5AHCX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-05T15:45:37Z","links":{"resolver":"https://pith.science/pith/N47WSSPNSAIZGXIWXMOLU5AHCX","bundle":"https://pith.science/pith/N47WSSPNSAIZGXIWXMOLU5AHCX/bundle.json","state":"https://pith.science/pith/N47WSSPNSAIZGXIWXMOLU5AHCX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N47WSSPNSAIZGXIWXMOLU5AHCX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:N47WSSPNSAIZGXIWXMOLU5AHCX","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":"95447365f81880167eae383f5e0a961a73955309b238751bc4e09830a55e0705","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-21T06:49:35Z","title_canon_sha256":"ccc26a52442fcffb929bd25c1716a25cf55b1b37bd1027b7b8c853369fe6cbb6"},"schema_version":"1.0","source":{"id":"2408.11373","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.11373","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"arxiv_version","alias_value":"2408.11373v1","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.11373","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"pith_short_12","alias_value":"N47WSSPNSAIZ","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"pith_short_16","alias_value":"N47WSSPNSAIZGXIW","created_at":"2026-07-05T08:57:42Z"},{"alias_kind":"pith_short_8","alias_value":"N47WSSPN","created_at":"2026-07-05T08:57:42Z"}],"graph_snapshots":[{"event_id":"sha256:5bd3f824e53966b759f858b14372059ad953efb09b68954715e784b8b088db46","target":"graph","created_at":"2026-07-05T08:57:42Z","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/2408.11373/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Topological semimetals with protected surface states mark a new paradigm of research beyond the early landmarks of band-structure engineering, allowing fabrication of efficient catalyst to harness the rich metallic surface states to activate specific chemical processes. Herein, we demonstrate a facile solid-phase method for in-situ doping of Ir at the Os sites in the Os3Sn7, an alloy with topological states, which significantly improves the photocatalytic performance for the reduction of CO2 to CO and CH4. Experimental evidence combined with theoretical calculations reveal that the nontrivial ","authors_text":"Chao Zhang, Huichao Wang, Huixia Luo, Kai Yan, Kangwang Wang, Kuan Li, Lingyong Zeng, Longfu Li, Nannan Tang, Peifeng Yu, Rui Chen, Yongqing Cai, Zaichen Xiang","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-21T06:49:35Z","title":"Revealing the nontrivial topological surface states of catalysts for effective photochemical carbon dioxide conversion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.11373","kind":"arxiv","version":1},"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":"sha256:8d31109bc338b6696c8bbb5ac498ca9341c3218fcf84076f5c0aa5d5a87f1677","target":"record","created_at":"2026-07-05T08:57:42Z","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":"95447365f81880167eae383f5e0a961a73955309b238751bc4e09830a55e0705","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-21T06:49:35Z","title_canon_sha256":"ccc26a52442fcffb929bd25c1716a25cf55b1b37bd1027b7b8c853369fe6cbb6"},"schema_version":"1.0","source":{"id":"2408.11373","kind":"arxiv","version":1}},"canonical_sha256":"6f3f6949ed9011935d16bb1cba740715f89a7b247a126a7df58768d80abd7be1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f3f6949ed9011935d16bb1cba740715f89a7b247a126a7df58768d80abd7be1","first_computed_at":"2026-07-05T08:57:42.908071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:57:42.908071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qUh1T7y/YDqx3tEhMySvDXrrldYoUGP/zUNewFx9N7h62aRX+QV+T4U9kpH1mQgwuLlUOIOPOyb1kMUQkssDBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:57:42.908583Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.11373","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d31109bc338b6696c8bbb5ac498ca9341c3218fcf84076f5c0aa5d5a87f1677","sha256:5bd3f824e53966b759f858b14372059ad953efb09b68954715e784b8b088db46"],"state_sha256":"f59082c9f2bc3bdfdd6626d4789050f48f6ba5a2db67894993d1f6673aad8c85"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"azSXWEalb3hCZmj6UAqUlulKBf6UJnOhHN/IxMNgP2hy0bdDZYqTZKgQGZzPIZ8QomGMcu6hqwsSn7tdJ41sCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:45:37.878132Z","bundle_sha256":"d9713f2d5008f7d548ad1929bf17883c3e69402bf51facea220a875fe4b628fc"}}