{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QYYCCPZENJ4LGTB2GAS6QPSC6A","short_pith_number":"pith:QYYCCPZE","canonical_record":{"source":{"id":"2311.06559","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-11T12:29:47Z","cross_cats_sorted":[],"title_canon_sha256":"9f51ff37a4acffb71e3604d79102100f8d8d417147a7e4e4c248246cf33438ae","abstract_canon_sha256":"21f0ac90a95a413b377ce79edcbb5db2280c92be490a6d0b82c40fb2dde1831d"},"schema_version":"1.0"},"canonical_sha256":"8630213f246a78b34c3a3025e83e42f02e10ab3cf2299dbac3375f6a68b26ca3","source":{"kind":"arxiv","id":"2311.06559","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.06559","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"arxiv_version","alias_value":"2311.06559v1","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.06559","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"pith_short_12","alias_value":"QYYCCPZENJ4L","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"pith_short_16","alias_value":"QYYCCPZENJ4LGTB2","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"pith_short_8","alias_value":"QYYCCPZE","created_at":"2026-07-05T07:11:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QYYCCPZENJ4LGTB2GAS6QPSC6A","target":"record","payload":{"canonical_record":{"source":{"id":"2311.06559","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-11T12:29:47Z","cross_cats_sorted":[],"title_canon_sha256":"9f51ff37a4acffb71e3604d79102100f8d8d417147a7e4e4c248246cf33438ae","abstract_canon_sha256":"21f0ac90a95a413b377ce79edcbb5db2280c92be490a6d0b82c40fb2dde1831d"},"schema_version":"1.0"},"canonical_sha256":"8630213f246a78b34c3a3025e83e42f02e10ab3cf2299dbac3375f6a68b26ca3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:11:41.980800Z","signature_b64":"ktXQVdRnoDv3lIBD4TlfC/lVgxrSCoqeEEPKzsG2l3sw5UN1shSaRgsMg/ajpOBMAFogztqb9WHCVJJohmlYDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8630213f246a78b34c3a3025e83e42f02e10ab3cf2299dbac3375f6a68b26ca3","last_reissued_at":"2026-07-05T07:11:41.980374Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:11:41.980374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.06559","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":"2026-07-05T07:11:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gq9xP+FLKGUW0MhC/hWnbalUNEoL/0cOFHL++FUk5Nqa0pVW1lwnZv7wPrmTqkPxa+WgVclt/8R8Wy77nAT5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:24:11.446028Z"},"content_sha256":"91d00fbec78da467c5511262603434be32984c468a77b28b651e9719e9832e7c","schema_version":"1.0","event_id":"sha256:91d00fbec78da467c5511262603434be32984c468a77b28b651e9719e9832e7c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QYYCCPZENJ4LGTB2GAS6QPSC6A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Guidelines for Material Design in Semitransparent Organic Solar Cells","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alessandro Troisi, Chao Liu, Christoph J. Brabec, Hans-Joachim Egelhaaf, Karen Forberich, Michael Wagner","submitted_at":"2023-11-11T12:29:47Z","abstract_excerpt":"Organic solar cells (OSCs) are uniquely suited for semitransparent applications due to their adjustable absorption spectrum. However, most high-performance semitransparent cells reported to date are based on materials that have shown high power conversion efficiency for opaque devices. We therefore present a model to assess the optimum efficiency and transparency for a specific donor and acceptor band gap. The absorption characteristics of both donor and acceptor are modeled with spectral data of typical absorber materials from the literature which are adjusted to achieve the desired band gap "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.06559","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/2311.06559/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":"2026-07-05T07:11:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QARvyoDVuODKq4WPm8MeFpZfQX7YzGSSOnXFuXr1ntLZsvOb3yO07ooeVLL6kSUIRFP11JbvTIboex4iWz2hDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:24:11.446433Z"},"content_sha256":"e3dfcbe9cb7e97d24dd31eb09387ad0c15fffc42bdc90ca4c9011ba93ba97e18","schema_version":"1.0","event_id":"sha256:e3dfcbe9cb7e97d24dd31eb09387ad0c15fffc42bdc90ca4c9011ba93ba97e18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A/bundle.json","state_url":"https://pith.science/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A/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":"2026-07-06T23:24:11Z","links":{"resolver":"https://pith.science/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A","bundle":"https://pith.science/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A/bundle.json","state":"https://pith.science/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYYCCPZENJ4LGTB2GAS6QPSC6A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QYYCCPZENJ4LGTB2GAS6QPSC6A","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":"21f0ac90a95a413b377ce79edcbb5db2280c92be490a6d0b82c40fb2dde1831d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-11T12:29:47Z","title_canon_sha256":"9f51ff37a4acffb71e3604d79102100f8d8d417147a7e4e4c248246cf33438ae"},"schema_version":"1.0","source":{"id":"2311.06559","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.06559","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"arxiv_version","alias_value":"2311.06559v1","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.06559","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"pith_short_12","alias_value":"QYYCCPZENJ4L","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"pith_short_16","alias_value":"QYYCCPZENJ4LGTB2","created_at":"2026-07-05T07:11:41Z"},{"alias_kind":"pith_short_8","alias_value":"QYYCCPZE","created_at":"2026-07-05T07:11:41Z"}],"graph_snapshots":[{"event_id":"sha256:e3dfcbe9cb7e97d24dd31eb09387ad0c15fffc42bdc90ca4c9011ba93ba97e18","target":"graph","created_at":"2026-07-05T07:11:41Z","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/2311.06559/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Organic solar cells (OSCs) are uniquely suited for semitransparent applications due to their adjustable absorption spectrum. However, most high-performance semitransparent cells reported to date are based on materials that have shown high power conversion efficiency for opaque devices. We therefore present a model to assess the optimum efficiency and transparency for a specific donor and acceptor band gap. The absorption characteristics of both donor and acceptor are modeled with spectral data of typical absorber materials from the literature which are adjusted to achieve the desired band gap ","authors_text":"Alessandro Troisi, Chao Liu, Christoph J. Brabec, Hans-Joachim Egelhaaf, Karen Forberich, Michael Wagner","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-11T12:29:47Z","title":"Guidelines for Material Design in Semitransparent Organic Solar Cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.06559","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":"sha256:91d00fbec78da467c5511262603434be32984c468a77b28b651e9719e9832e7c","target":"record","created_at":"2026-07-05T07:11:41Z","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":"21f0ac90a95a413b377ce79edcbb5db2280c92be490a6d0b82c40fb2dde1831d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-11T12:29:47Z","title_canon_sha256":"9f51ff37a4acffb71e3604d79102100f8d8d417147a7e4e4c248246cf33438ae"},"schema_version":"1.0","source":{"id":"2311.06559","kind":"arxiv","version":1}},"canonical_sha256":"8630213f246a78b34c3a3025e83e42f02e10ab3cf2299dbac3375f6a68b26ca3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8630213f246a78b34c3a3025e83e42f02e10ab3cf2299dbac3375f6a68b26ca3","first_computed_at":"2026-07-05T07:11:41.980374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:11:41.980374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ktXQVdRnoDv3lIBD4TlfC/lVgxrSCoqeEEPKzsG2l3sw5UN1shSaRgsMg/ajpOBMAFogztqb9WHCVJJohmlYDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:11:41.980800Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.06559","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91d00fbec78da467c5511262603434be32984c468a77b28b651e9719e9832e7c","sha256:e3dfcbe9cb7e97d24dd31eb09387ad0c15fffc42bdc90ca4c9011ba93ba97e18"],"state_sha256":"56709f8611271bbf4259b56e1a39a6de178b1aa97f39a1584d60b5cf74568bb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LSckj9xfF25AP6UiSaHBGB9VxIuulcvGgB01BQ1tRS2Va17BGFApwWQN9vFA1hcMX47kMTY+l8IqgCcQfw7pBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:24:11.448527Z","bundle_sha256":"159df94f40c2a2c28b7221cc6b81d9ef5db8e12663122d15405021e321cc3ad5"}}