{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:EKDNMILLPVASQO55FDZB76QJ47","short_pith_number":"pith:EKDNMILL","canonical_record":{"source":{"id":"2404.06276","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-04-09T12:55:46Z","cross_cats_sorted":[],"title_canon_sha256":"3fead3a95430764fab34ac4c50bd7860b51829d8aa553f15d719610220a13e53","abstract_canon_sha256":"86e6a9dddede3ced4939b222f82e61da9101b33b5340bff15c1c31398354474a"},"schema_version":"1.0"},"canonical_sha256":"2286d6216b7d41283bbd28f21ffa09e7c9bf58ea1869483618fda612194ba5a6","source":{"kind":"arxiv","id":"2404.06276","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.06276","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"arxiv_version","alias_value":"2404.06276v1","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.06276","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"pith_short_12","alias_value":"EKDNMILLPVAS","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"pith_short_16","alias_value":"EKDNMILLPVASQO55","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"pith_short_8","alias_value":"EKDNMILL","created_at":"2026-07-05T09:04:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:EKDNMILLPVASQO55FDZB76QJ47","target":"record","payload":{"canonical_record":{"source":{"id":"2404.06276","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-04-09T12:55:46Z","cross_cats_sorted":[],"title_canon_sha256":"3fead3a95430764fab34ac4c50bd7860b51829d8aa553f15d719610220a13e53","abstract_canon_sha256":"86e6a9dddede3ced4939b222f82e61da9101b33b5340bff15c1c31398354474a"},"schema_version":"1.0"},"canonical_sha256":"2286d6216b7d41283bbd28f21ffa09e7c9bf58ea1869483618fda612194ba5a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:04:34.640692Z","signature_b64":"X8HQfsk3Q1DruZBya9IWRvEDZ9K+gYmXswL+zAw+4XwuXWQ8376XLpy4dp+r+sic1/HnPSp+KkypSk8mN3pqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2286d6216b7d41283bbd28f21ffa09e7c9bf58ea1869483618fda612194ba5a6","last_reissued_at":"2026-07-05T09:04:34.640180Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:04:34.640180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.06276","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":"2026-07-05T09:04:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4NMHq+KvENDJa8tIdv6cdPmJ8omIX40Jg21ViJuBtM1snaxUommU9V+wC+BxQNPUfLABaYXen4xU2uB5zmvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:31:10.966309Z"},"content_sha256":"b73b007b9060aa5686c48fc10ee561d60ea5cac8a6d13d2f388fa8a80c8f6e5b","schema_version":"1.0","event_id":"sha256:b73b007b9060aa5686c48fc10ee561d60ea5cac8a6d13d2f388fa8a80c8f6e5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:EKDNMILLPVASQO55FDZB76QJ47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extending the Defect Tolerance of Halide Perovskite Nanocrystals to Hot Carrier Cooling Dynamics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Akshay Rao, Artem Bakulin, Ben P. Carwithen, Clara Otero Martinez, Jian Mao, Junzhi Ye, Lakshminarayana Polavarapu, Lars Van Turnhout, Linjie Dai, Navendu Mondal, Neil C. Greenham, Pratyush Ghosh, Robert L.Z. Hoye, Samuel D. Stranks, Xiangbin Fan, Yunwei Zhang, Zhiqiang Cui, Zhongzheng Yu, Ziming Chen","submitted_at":"2024-04-09T12:55:46Z","abstract_excerpt":"Defect tolerance is a critical enabling factor for efficient lead-halide perovskite materials, but the current understanding is primarily on band-edge (cold) carriers, with significant debate over whether hot carriers (HCs) can also exhibit defect tolerance. Here, this important gap in the field is addressed by investigating how internationally-introduced traps affect HC relaxation in CsPbX3 nanocrystals (X = Br, I, or mixture). Using femtosecond interband and intraband spectroscopy, along with energy-dependent photoluminescence measurements and kinetic modelling, it is found that HCs are not "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.06276","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/2404.06276/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":"2026-07-05T09:04:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VZHzX0OYhxNTNTIrawTTllcc7PiYZ7JOWj34XEtZPPucN5x9W78puLh8KGpOhgTGrsgRFiiVWYwOYTFPpZwyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:31:10.966693Z"},"content_sha256":"037add0cf0fd049e09736a533b5367857955c6a0838c956150d34ac25fc0963d","schema_version":"1.0","event_id":"sha256:037add0cf0fd049e09736a533b5367857955c6a0838c956150d34ac25fc0963d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EKDNMILLPVASQO55FDZB76QJ47/bundle.json","state_url":"https://pith.science/pith/EKDNMILLPVASQO55FDZB76QJ47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EKDNMILLPVASQO55FDZB76QJ47/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":"2026-07-06T10:31:10Z","links":{"resolver":"https://pith.science/pith/EKDNMILLPVASQO55FDZB76QJ47","bundle":"https://pith.science/pith/EKDNMILLPVASQO55FDZB76QJ47/bundle.json","state":"https://pith.science/pith/EKDNMILLPVASQO55FDZB76QJ47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EKDNMILLPVASQO55FDZB76QJ47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:EKDNMILLPVASQO55FDZB76QJ47","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":"86e6a9dddede3ced4939b222f82e61da9101b33b5340bff15c1c31398354474a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-04-09T12:55:46Z","title_canon_sha256":"3fead3a95430764fab34ac4c50bd7860b51829d8aa553f15d719610220a13e53"},"schema_version":"1.0","source":{"id":"2404.06276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.06276","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"arxiv_version","alias_value":"2404.06276v1","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.06276","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"pith_short_12","alias_value":"EKDNMILLPVAS","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"pith_short_16","alias_value":"EKDNMILLPVASQO55","created_at":"2026-07-05T09:04:34Z"},{"alias_kind":"pith_short_8","alias_value":"EKDNMILL","created_at":"2026-07-05T09:04:34Z"}],"graph_snapshots":[{"event_id":"sha256:037add0cf0fd049e09736a533b5367857955c6a0838c956150d34ac25fc0963d","target":"graph","created_at":"2026-07-05T09:04:34Z","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/2404.06276/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Defect tolerance is a critical enabling factor for efficient lead-halide perovskite materials, but the current understanding is primarily on band-edge (cold) carriers, with significant debate over whether hot carriers (HCs) can also exhibit defect tolerance. Here, this important gap in the field is addressed by investigating how internationally-introduced traps affect HC relaxation in CsPbX3 nanocrystals (X = Br, I, or mixture). Using femtosecond interband and intraband spectroscopy, along with energy-dependent photoluminescence measurements and kinetic modelling, it is found that HCs are not ","authors_text":"Akshay Rao, Artem Bakulin, Ben P. Carwithen, Clara Otero Martinez, Jian Mao, Junzhi Ye, Lakshminarayana Polavarapu, Lars Van Turnhout, Linjie Dai, Navendu Mondal, Neil C. Greenham, Pratyush Ghosh, Robert L.Z. Hoye, Samuel D. Stranks, Xiangbin Fan, Yunwei Zhang, Zhiqiang Cui, Zhongzheng Yu, Ziming Chen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-04-09T12:55:46Z","title":"Extending the Defect Tolerance of Halide Perovskite Nanocrystals to Hot Carrier Cooling Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.06276","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:b73b007b9060aa5686c48fc10ee561d60ea5cac8a6d13d2f388fa8a80c8f6e5b","target":"record","created_at":"2026-07-05T09:04:34Z","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":"86e6a9dddede3ced4939b222f82e61da9101b33b5340bff15c1c31398354474a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-04-09T12:55:46Z","title_canon_sha256":"3fead3a95430764fab34ac4c50bd7860b51829d8aa553f15d719610220a13e53"},"schema_version":"1.0","source":{"id":"2404.06276","kind":"arxiv","version":1}},"canonical_sha256":"2286d6216b7d41283bbd28f21ffa09e7c9bf58ea1869483618fda612194ba5a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2286d6216b7d41283bbd28f21ffa09e7c9bf58ea1869483618fda612194ba5a6","first_computed_at":"2026-07-05T09:04:34.640180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:04:34.640180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X8HQfsk3Q1DruZBya9IWRvEDZ9K+gYmXswL+zAw+4XwuXWQ8376XLpy4dp+r+sic1/HnPSp+KkypSk8mN3pqAA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:04:34.640692Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.06276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b73b007b9060aa5686c48fc10ee561d60ea5cac8a6d13d2f388fa8a80c8f6e5b","sha256:037add0cf0fd049e09736a533b5367857955c6a0838c956150d34ac25fc0963d"],"state_sha256":"092b286675dd21c2798e432a58edbe3d9ff3e629f72c8460c42c59b6ff02fa5e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1/em9RMw3xqC7xyVEFQ5QOMm278BMRpd63J0BDNPqYiCRoQSA/FkKD+wm/2LpetAQrtUGgh3OkGFaLXgLSChDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T10:31:10.968941Z","bundle_sha256":"a4bd57dd9ba220c93ef5fe20247a17ce01dd6f6ae18694d9141d2326c54c307a"}}