{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Y4I7X2UM4GY4UYA7O23V7KGVMG","short_pith_number":"pith:Y4I7X2UM","canonical_record":{"source":{"id":"1509.05107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-17T02:30:50Z","cross_cats_sorted":[],"title_canon_sha256":"f74fed739eb7f328c87ff485ac3e3056f92f69f89156cbc392654ada5f5a95a3","abstract_canon_sha256":"c632d69f7958cda757d04cf6f0f9f5f6eac48ea288b9c0b84ebba5f4b1b4a5ce"},"schema_version":"1.0"},"canonical_sha256":"c711fbea8ce1b1ca601f76b75fa8d56198cdfb8f1d5225d32c91b24f3007f1be","source":{"kind":"arxiv","id":"1509.05107","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05107","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05107v1","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05107","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"Y4I7X2UM4GY4","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"Y4I7X2UM4GY4UYA7","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"Y4I7X2UM","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Y4I7X2UM4GY4UYA7O23V7KGVMG","target":"record","payload":{"canonical_record":{"source":{"id":"1509.05107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-17T02:30:50Z","cross_cats_sorted":[],"title_canon_sha256":"f74fed739eb7f328c87ff485ac3e3056f92f69f89156cbc392654ada5f5a95a3","abstract_canon_sha256":"c632d69f7958cda757d04cf6f0f9f5f6eac48ea288b9c0b84ebba5f4b1b4a5ce"},"schema_version":"1.0"},"canonical_sha256":"c711fbea8ce1b1ca601f76b75fa8d56198cdfb8f1d5225d32c91b24f3007f1be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:18.140225Z","signature_b64":"Z75fuowXfK7SQJlmVxICOO1NQhGa8+22+QzInNlsH6AVM2PdFpjrF5su32DrVrOq/rymRfaFwMAHA0pnkRVfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c711fbea8ce1b1ca601f76b75fa8d56198cdfb8f1d5225d32c91b24f3007f1be","last_reissued_at":"2026-05-18T01:32:18.139676Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:18.139676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.05107","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":"2026-05-18T01:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DIzlHYI3GgjhqSgzf4GKFTynEMF4srt246MnHLgKt4e+H92QME5DVfT2HwsNyG+7/hrH/GN7/YzDaQveULPGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:57:15.604374Z"},"content_sha256":"c030e21ac271b18e8ed849c715053f5fcdf13dfa13449871b00c0821bf4fd885","schema_version":"1.0","event_id":"sha256:c030e21ac271b18e8ed849c715053f5fcdf13dfa13449871b00c0821bf4fd885"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Y4I7X2UM4GY4UYA7O23V7KGVMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reversible electron-hole separation in a hot carrier solar cell","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Heiner Linke, Stephen Bremner, Steven Limpert","submitted_at":"2015-09-17T02:30:50Z","abstract_excerpt":"Hot-carrier solar cells are envisioned to utilize energy filtering to extract power from photogenerated electron-hole pairs before they thermalize with the lattice, and thus potentially offer higher power conversion efficiency compared to conventional, single absorber solar cells. The efficiency of hot-carrier solar cells can be expected to strongly depend on the details of the energy filtering process, a relationship which to date has not been satisfactorily explored. Here, we establish the conditions under which electron-hole separation in hot-carrier solar cells can occur reversibly, that i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05107","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":""},"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":"2026-05-18T01:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GKBZ0a8FiyiW0WOCc9t8AyKKSw54YCQN/tK1NiosSlcgMBfSIXgEnmsAsF13tLXSQpbolDoshD7mExARdgM4AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:57:15.605080Z"},"content_sha256":"bf907067f54f805df28752429744c93c33da14da3e627e7bc14e768fbc7314a1","schema_version":"1.0","event_id":"sha256:bf907067f54f805df28752429744c93c33da14da3e627e7bc14e768fbc7314a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG/bundle.json","state_url":"https://pith.science/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG/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":"2026-06-01T06:57:15Z","links":{"resolver":"https://pith.science/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG","bundle":"https://pith.science/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG/bundle.json","state":"https://pith.science/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4I7X2UM4GY4UYA7O23V7KGVMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Y4I7X2UM4GY4UYA7O23V7KGVMG","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":"c632d69f7958cda757d04cf6f0f9f5f6eac48ea288b9c0b84ebba5f4b1b4a5ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-17T02:30:50Z","title_canon_sha256":"f74fed739eb7f328c87ff485ac3e3056f92f69f89156cbc392654ada5f5a95a3"},"schema_version":"1.0","source":{"id":"1509.05107","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05107","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05107v1","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05107","created_at":"2026-05-18T01:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"Y4I7X2UM4GY4","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"Y4I7X2UM4GY4UYA7","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"Y4I7X2UM","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:bf907067f54f805df28752429744c93c33da14da3e627e7bc14e768fbc7314a1","target":"graph","created_at":"2026-05-18T01:32:18Z","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"},"paper":{"abstract_excerpt":"Hot-carrier solar cells are envisioned to utilize energy filtering to extract power from photogenerated electron-hole pairs before they thermalize with the lattice, and thus potentially offer higher power conversion efficiency compared to conventional, single absorber solar cells. The efficiency of hot-carrier solar cells can be expected to strongly depend on the details of the energy filtering process, a relationship which to date has not been satisfactorily explored. Here, we establish the conditions under which electron-hole separation in hot-carrier solar cells can occur reversibly, that i","authors_text":"Heiner Linke, Stephen Bremner, Steven Limpert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-17T02:30:50Z","title":"Reversible electron-hole separation in a hot carrier solar cell"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05107","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:c030e21ac271b18e8ed849c715053f5fcdf13dfa13449871b00c0821bf4fd885","target":"record","created_at":"2026-05-18T01:32:18Z","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":"c632d69f7958cda757d04cf6f0f9f5f6eac48ea288b9c0b84ebba5f4b1b4a5ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-09-17T02:30:50Z","title_canon_sha256":"f74fed739eb7f328c87ff485ac3e3056f92f69f89156cbc392654ada5f5a95a3"},"schema_version":"1.0","source":{"id":"1509.05107","kind":"arxiv","version":1}},"canonical_sha256":"c711fbea8ce1b1ca601f76b75fa8d56198cdfb8f1d5225d32c91b24f3007f1be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c711fbea8ce1b1ca601f76b75fa8d56198cdfb8f1d5225d32c91b24f3007f1be","first_computed_at":"2026-05-18T01:32:18.139676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:18.139676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z75fuowXfK7SQJlmVxICOO1NQhGa8+22+QzInNlsH6AVM2PdFpjrF5su32DrVrOq/rymRfaFwMAHA0pnkRVfAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:18.140225Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.05107","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c030e21ac271b18e8ed849c715053f5fcdf13dfa13449871b00c0821bf4fd885","sha256:bf907067f54f805df28752429744c93c33da14da3e627e7bc14e768fbc7314a1"],"state_sha256":"9aa1e8d3b0a96b6f3bd981d5ec72d5c0d53d0c722564d071d6fd646f1457f943"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrWFR+aGRGcttExKwIT7UmD6Vrk0PuYdGhQ6r2sh3K/NJFpTmKduIlORwPY67832rIaAzWP4XCcHRy0YZGeQAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:57:15.608220Z","bundle_sha256":"2b91b874d87cc1ccb51d13a0551debeef255237f2e4e07c64dc2eab7ce6c06ce"}}