{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XWLGHNPQRCJ54XJX2EHMMZJQAQ","short_pith_number":"pith:XWLGHNPQ","canonical_record":{"source":{"id":"2305.07573","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-05-12T16:03:38Z","cross_cats_sorted":[],"title_canon_sha256":"7ef941d5ab83c58c5184d7b6aeea7b62c6cb22421191a5865675674f19e4a927","abstract_canon_sha256":"d96c243a41972a9434daf64712dabe765ab36c139e73bf97e099e5c6bafacbb1"},"schema_version":"1.0"},"canonical_sha256":"bd9663b5f08893de5d37d10ec66530041d362ca651e0a8eb524126ca29410ae3","source":{"kind":"arxiv","id":"2305.07573","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.07573","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"arxiv_version","alias_value":"2305.07573v1","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.07573","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"pith_short_12","alias_value":"XWLGHNPQRCJ5","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"pith_short_16","alias_value":"XWLGHNPQRCJ54XJX","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"pith_short_8","alias_value":"XWLGHNPQ","created_at":"2026-07-05T06:09:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XWLGHNPQRCJ54XJX2EHMMZJQAQ","target":"record","payload":{"canonical_record":{"source":{"id":"2305.07573","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-05-12T16:03:38Z","cross_cats_sorted":[],"title_canon_sha256":"7ef941d5ab83c58c5184d7b6aeea7b62c6cb22421191a5865675674f19e4a927","abstract_canon_sha256":"d96c243a41972a9434daf64712dabe765ab36c139e73bf97e099e5c6bafacbb1"},"schema_version":"1.0"},"canonical_sha256":"bd9663b5f08893de5d37d10ec66530041d362ca651e0a8eb524126ca29410ae3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:09:37.861767Z","signature_b64":"K42kRlqVa4QoVxxoZQB1L9MJq8JBuRy31RzqbZoOH9rXxqR+9qG1PwT1232Xm4srxoAId6/LPxVrrzZ2b0jzAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd9663b5f08893de5d37d10ec66530041d362ca651e0a8eb524126ca29410ae3","last_reissued_at":"2026-07-05T06:09:37.861401Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:09:37.861401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.07573","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":"2026-07-05T06:09:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jFNNqR5dCzw3HCpQJWtBK2N5YvdmJlhrQlghT5xujvf4qpYTR09klh6++L2XyNiAc+y83GF7uQMuu1UaoAZzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T04:22:12.280987Z"},"content_sha256":"1e3747e20ce774c7b1d6f76a819e17b00e15c9b07e6367711506fbe73c909f65","schema_version":"1.0","event_id":"sha256:1e3747e20ce774c7b1d6f76a819e17b00e15c9b07e6367711506fbe73c909f65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XWLGHNPQRCJ54XJX2EHMMZJQAQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Digital Twin to overcome long-time challenges in Photovoltaics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ana Sun\\v{c}ana Smith, Andreas Maier, Bjoern M. Eskofier, Christoph J. Brabec, Dirk Guldi, Eva Dorschky, Frauke Liers, J\\\"org Franke, Larry L\\\"uer, Marius Peters, Martin Sjarov, Mathias Brossog","submitted_at":"2023-05-12T16:03:38Z","abstract_excerpt":"The recent successes of emerging photovoltaics (PV) such as organic and perovskite solar cells are largely driven by innovations in material science. However, closing the gap to commercialization still requires significant innovation to match contradicting requirements such as performance, longevity and recyclability. The rate of innovation, as of today, is limited by a lack of design principles linking chemical motifs to functional microscopic structures, and by an incapacity to experimentally access microscopic structures from investigating macroscopic device properties. In this work, we env"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.07573","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/2305.07573/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":"2026-07-05T06:09:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BvCYmgXIVSPUCVHSlF3vU7CAuVuKzpbc4WJUrjKTWMxs59sW1m4ww8urRvjRc8b4rsRXV7ozCgmMarsh0mzPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T04:22:12.281486Z"},"content_sha256":"949fb93dd3709d2122d20ff484c7c52eaf6633f99b2fe994a61c5cba6126cde6","schema_version":"1.0","event_id":"sha256:949fb93dd3709d2122d20ff484c7c52eaf6633f99b2fe994a61c5cba6126cde6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ/bundle.json","state_url":"https://pith.science/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ/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":"2026-08-23T04:22:12Z","links":{"resolver":"https://pith.science/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ","bundle":"https://pith.science/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ/bundle.json","state":"https://pith.science/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWLGHNPQRCJ54XJX2EHMMZJQAQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XWLGHNPQRCJ54XJX2EHMMZJQAQ","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":"d96c243a41972a9434daf64712dabe765ab36c139e73bf97e099e5c6bafacbb1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-05-12T16:03:38Z","title_canon_sha256":"7ef941d5ab83c58c5184d7b6aeea7b62c6cb22421191a5865675674f19e4a927"},"schema_version":"1.0","source":{"id":"2305.07573","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.07573","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"arxiv_version","alias_value":"2305.07573v1","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.07573","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"pith_short_12","alias_value":"XWLGHNPQRCJ5","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"pith_short_16","alias_value":"XWLGHNPQRCJ54XJX","created_at":"2026-07-05T06:09:37Z"},{"alias_kind":"pith_short_8","alias_value":"XWLGHNPQ","created_at":"2026-07-05T06:09:37Z"}],"graph_snapshots":[{"event_id":"sha256:949fb93dd3709d2122d20ff484c7c52eaf6633f99b2fe994a61c5cba6126cde6","target":"graph","created_at":"2026-07-05T06:09:37Z","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/2305.07573/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The recent successes of emerging photovoltaics (PV) such as organic and perovskite solar cells are largely driven by innovations in material science. However, closing the gap to commercialization still requires significant innovation to match contradicting requirements such as performance, longevity and recyclability. The rate of innovation, as of today, is limited by a lack of design principles linking chemical motifs to functional microscopic structures, and by an incapacity to experimentally access microscopic structures from investigating macroscopic device properties. In this work, we env","authors_text":"Ana Sun\\v{c}ana Smith, Andreas Maier, Bjoern M. Eskofier, Christoph J. Brabec, Dirk Guldi, Eva Dorschky, Frauke Liers, J\\\"org Franke, Larry L\\\"uer, Marius Peters, Martin Sjarov, Mathias Brossog","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-05-12T16:03:38Z","title":"A Digital Twin to overcome long-time challenges in Photovoltaics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.07573","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":"sha256:1e3747e20ce774c7b1d6f76a819e17b00e15c9b07e6367711506fbe73c909f65","target":"record","created_at":"2026-07-05T06:09:37Z","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":"d96c243a41972a9434daf64712dabe765ab36c139e73bf97e099e5c6bafacbb1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-05-12T16:03:38Z","title_canon_sha256":"7ef941d5ab83c58c5184d7b6aeea7b62c6cb22421191a5865675674f19e4a927"},"schema_version":"1.0","source":{"id":"2305.07573","kind":"arxiv","version":1}},"canonical_sha256":"bd9663b5f08893de5d37d10ec66530041d362ca651e0a8eb524126ca29410ae3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd9663b5f08893de5d37d10ec66530041d362ca651e0a8eb524126ca29410ae3","first_computed_at":"2026-07-05T06:09:37.861401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:09:37.861401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K42kRlqVa4QoVxxoZQB1L9MJq8JBuRy31RzqbZoOH9rXxqR+9qG1PwT1232Xm4srxoAId6/LPxVrrzZ2b0jzAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:09:37.861767Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.07573","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e3747e20ce774c7b1d6f76a819e17b00e15c9b07e6367711506fbe73c909f65","sha256:949fb93dd3709d2122d20ff484c7c52eaf6633f99b2fe994a61c5cba6126cde6"],"state_sha256":"10a4d0fe86fea2e316f9f924ccedb3de949dfff568a7f017390c38809d6ad271"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kiAIVEWnFaZ9YVfpQxADo7sVbyJ9R+QOTusq4Z8NaCgX1kUf/JliN4w0hLPAF3hQBT322yWokzaQcLe7+YYGBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T04:22:12.286668Z","bundle_sha256":"a55f235e92741207c77f9bd0bfe43a58c18a2e5a9c0bbfec779174668bb9b42e"}}