{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NUMKTPB2WWZTORUZNIEJ3RNRE5","short_pith_number":"pith:NUMKTPB2","canonical_record":{"source":{"id":"2404.00106","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-03-29T18:36:56Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2cf891a8c75a0135305fc585bcfeb93cfd29769aac5728765870ea4e026bfaa3","abstract_canon_sha256":"dbfce042f8850ca6609375d7bf494bd869063823cd082b3d5f1a9530857023d1"},"schema_version":"1.0"},"canonical_sha256":"6d18a9bc3ab5b33746996a089dc5b127562c9a4b7505293e0b50bac01ae78725","source":{"kind":"arxiv","id":"2404.00106","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.00106","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"arxiv_version","alias_value":"2404.00106v1","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.00106","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"pith_short_12","alias_value":"NUMKTPB2WWZT","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"pith_short_16","alias_value":"NUMKTPB2WWZTORUZ","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"pith_short_8","alias_value":"NUMKTPB2","created_at":"2026-07-05T08:02:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NUMKTPB2WWZTORUZNIEJ3RNRE5","target":"record","payload":{"canonical_record":{"source":{"id":"2404.00106","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-03-29T18:36:56Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2cf891a8c75a0135305fc585bcfeb93cfd29769aac5728765870ea4e026bfaa3","abstract_canon_sha256":"dbfce042f8850ca6609375d7bf494bd869063823cd082b3d5f1a9530857023d1"},"schema_version":"1.0"},"canonical_sha256":"6d18a9bc3ab5b33746996a089dc5b127562c9a4b7505293e0b50bac01ae78725","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:02:27.883431Z","signature_b64":"BIrBJv07p+MGClvvyg7VoT55BP1bNHXFGUm8G7c9bOcB1AkTbymxVvw9TXP6klQ+RR/Oy3y0q3oUHDKkNCgtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d18a9bc3ab5b33746996a089dc5b127562c9a4b7505293e0b50bac01ae78725","last_reissued_at":"2026-07-05T08:02:27.882976Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:02:27.882976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.00106","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":"2026-07-05T08:02:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LgHjQcTGQR8/OIGoZWR6cxYok2cMbM2kE1/mOxzvic7imMaCkW61wT8L/3OMZZeH+acNhjNC2NxxfTQsLjfmAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T10:54:28.422837Z"},"content_sha256":"d6611a5e1ae959039076f9cd10a40507d5a8b186175d791969ebb84b06053aac","schema_version":"1.0","event_id":"sha256:d6611a5e1ae959039076f9cd10a40507d5a8b186175d791969ebb84b06053aac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NUMKTPB2WWZTORUZNIEJ3RNRE5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Precise Control of Process Parameters for >23% Efficiency Perovskite Solar Cells in Ambient Air Using an Automated Device Acceleration Platform","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"Anastasia Barabash, Chaohui Li, Chao Liu, Christoph J. Brabec, Frederik Schmitt, Jens A. Hauch, Jianchang Wu, Jingjing Tian, Jiyun Zhang, Kaicheng Zhang, Larry L\\\"uer, Shudi Qiu, Thomas Heumueller, Tian Du, Vincent M. Le Corre, Yicheng Zhao, Zijian Peng","submitted_at":"2024-03-29T18:36:56Z","abstract_excerpt":"Achieving high-performance perovskite photovoltaics, especially in ambient air relies heavily on optimizing process parameters. However, traditional manual methods often struggle to effectively control the key variables. This inherent challenge requires a paradigm shift toward automated platforms capable of precise and reproducible experiments. Herein, we use a fully automated device acceleration platform (DAP) to optimize the process parameters for preparing full perovskite devices using a two-step method in ambient air. Eight process parameters that have the potential to significantly influe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.00106","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/2404.00106/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":"2026-07-05T08:02:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U5YKCUudiMautx3fpozfa1tOvHSvOwwnhqFjCKTj0LCKXDQE1K4v7rtsZbAVN4TWF0iQ/ickPXcp+F+d/u5IBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T10:54:28.423200Z"},"content_sha256":"81edaa1ead119c867e3a8a45c368d1828d143ed8a2a1b3ecf8d4eec06f507685","schema_version":"1.0","event_id":"sha256:81edaa1ead119c867e3a8a45c368d1828d143ed8a2a1b3ecf8d4eec06f507685"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5/bundle.json","state_url":"https://pith.science/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5/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":"2026-07-17T10:54:28Z","links":{"resolver":"https://pith.science/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5","bundle":"https://pith.science/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5/bundle.json","state":"https://pith.science/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NUMKTPB2WWZTORUZNIEJ3RNRE5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NUMKTPB2WWZTORUZNIEJ3RNRE5","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":"dbfce042f8850ca6609375d7bf494bd869063823cd082b3d5f1a9530857023d1","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-03-29T18:36:56Z","title_canon_sha256":"2cf891a8c75a0135305fc585bcfeb93cfd29769aac5728765870ea4e026bfaa3"},"schema_version":"1.0","source":{"id":"2404.00106","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.00106","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"arxiv_version","alias_value":"2404.00106v1","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.00106","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"pith_short_12","alias_value":"NUMKTPB2WWZT","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"pith_short_16","alias_value":"NUMKTPB2WWZTORUZ","created_at":"2026-07-05T08:02:27Z"},{"alias_kind":"pith_short_8","alias_value":"NUMKTPB2","created_at":"2026-07-05T08:02:27Z"}],"graph_snapshots":[{"event_id":"sha256:81edaa1ead119c867e3a8a45c368d1828d143ed8a2a1b3ecf8d4eec06f507685","target":"graph","created_at":"2026-07-05T08:02:27Z","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/2404.00106/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Achieving high-performance perovskite photovoltaics, especially in ambient air relies heavily on optimizing process parameters. However, traditional manual methods often struggle to effectively control the key variables. This inherent challenge requires a paradigm shift toward automated platforms capable of precise and reproducible experiments. Herein, we use a fully automated device acceleration platform (DAP) to optimize the process parameters for preparing full perovskite devices using a two-step method in ambient air. Eight process parameters that have the potential to significantly influe","authors_text":"Anastasia Barabash, Chaohui Li, Chao Liu, Christoph J. Brabec, Frederik Schmitt, Jens A. Hauch, Jianchang Wu, Jingjing Tian, Jiyun Zhang, Kaicheng Zhang, Larry L\\\"uer, Shudi Qiu, Thomas Heumueller, Tian Du, Vincent M. Le Corre, Yicheng Zhao, Zijian Peng","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-03-29T18:36:56Z","title":"Precise Control of Process Parameters for >23% Efficiency Perovskite Solar Cells in Ambient Air Using an Automated Device Acceleration Platform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.00106","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:d6611a5e1ae959039076f9cd10a40507d5a8b186175d791969ebb84b06053aac","target":"record","created_at":"2026-07-05T08:02:27Z","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":"dbfce042f8850ca6609375d7bf494bd869063823cd082b3d5f1a9530857023d1","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-03-29T18:36:56Z","title_canon_sha256":"2cf891a8c75a0135305fc585bcfeb93cfd29769aac5728765870ea4e026bfaa3"},"schema_version":"1.0","source":{"id":"2404.00106","kind":"arxiv","version":1}},"canonical_sha256":"6d18a9bc3ab5b33746996a089dc5b127562c9a4b7505293e0b50bac01ae78725","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d18a9bc3ab5b33746996a089dc5b127562c9a4b7505293e0b50bac01ae78725","first_computed_at":"2026-07-05T08:02:27.882976Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:02:27.882976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BIrBJv07p+MGClvvyg7VoT55BP1bNHXFGUm8G7c9bOcB1AkTbymxVvw9TXP6klQ+RR/Oy3y0q3oUHDKkNCgtAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:02:27.883431Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.00106","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d6611a5e1ae959039076f9cd10a40507d5a8b186175d791969ebb84b06053aac","sha256:81edaa1ead119c867e3a8a45c368d1828d143ed8a2a1b3ecf8d4eec06f507685"],"state_sha256":"3ae20de937518dd1bafcdbdf3a8738409c0e1e7d35abc60a907d7ab197cb7936"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WfwpUmRGBB2IOwrXuT+gvqRjMWqbf6dhhKSzzb3zOphPi+XtKHYj4pRZZuxpSFzW20wlFYPzCABt3dtGywcCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T10:54:28.425607Z","bundle_sha256":"df7f035ea7c8b8478c6378edf068b54daab83609a80b3df649c4bd2b1632813e"}}