{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WMN5CD2SCJ5ABKPAROKROVZIB6","short_pith_number":"pith:WMN5CD2S","canonical_record":{"source":{"id":"1701.03250","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-01-12T06:25:05Z","cross_cats_sorted":[],"title_canon_sha256":"0ab158de94163c24dac5511373dd9815da0a3a13fe3cf7d2aed8c45555367117","abstract_canon_sha256":"c3d56e403e229912bfa64bf2e8ff2f53cab37e01ddd04b02e3da50cf30c576f0"},"schema_version":"1.0"},"canonical_sha256":"b31bd10f52127a00a9e08b951757280fb1a11ab1eda995f49c72eb138926cc4a","source":{"kind":"arxiv","id":"1701.03250","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03250","created_at":"2026-05-18T00:52:58Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03250v1","created_at":"2026-05-18T00:52:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03250","created_at":"2026-05-18T00:52:58Z"},{"alias_kind":"pith_short_12","alias_value":"WMN5CD2SCJ5A","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WMN5CD2SCJ5ABKPA","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WMN5CD2S","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WMN5CD2SCJ5ABKPAROKROVZIB6","target":"record","payload":{"canonical_record":{"source":{"id":"1701.03250","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-01-12T06:25:05Z","cross_cats_sorted":[],"title_canon_sha256":"0ab158de94163c24dac5511373dd9815da0a3a13fe3cf7d2aed8c45555367117","abstract_canon_sha256":"c3d56e403e229912bfa64bf2e8ff2f53cab37e01ddd04b02e3da50cf30c576f0"},"schema_version":"1.0"},"canonical_sha256":"b31bd10f52127a00a9e08b951757280fb1a11ab1eda995f49c72eb138926cc4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:58.114871Z","signature_b64":"Et4F1hhAMbVlfnDWd57LfOXEa1OPhQSS+X37fy0n0sWXI083f37RJb/lsH9wiO7HwBqJ6b1rwwf8Nq3mTuMwDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b31bd10f52127a00a9e08b951757280fb1a11ab1eda995f49c72eb138926cc4a","last_reissued_at":"2026-05-18T00:52:58.114289Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:58.114289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.03250","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":"2026-05-18T00:52:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHL8eCwCxTZUtgrisXOD3yu4OspH5Lusy0/mMGZ5Eqz6HsLxQIortk3PzwXat4Sc9TkEjEpjKcDV9rxsBVp2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T10:29:56.092447Z"},"content_sha256":"79af42cb52dcf055d7b8e3e878391d9474e3302d0e469e0862b14ae88bb95b5e","schema_version":"1.0","event_id":"sha256:79af42cb52dcf055d7b8e3e878391d9474e3302d0e469e0862b14ae88bb95b5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WMN5CD2SCJ5ABKPAROKROVZIB6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic structure and non-linear optical properties of organic photovoltaic systems with potential applications on solar cell devices: A DFT approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Alfredo Guill\\'en-L\\'opez, Jes\\'us Mu\\~niz, Miguel Robles","submitted_at":"2017-01-12T06:25:05Z","abstract_excerpt":"The use of eco-friendly materials for the environment has been addressed as a critical issue in the development of systems for renewable energy applications. In this regard, the investigation of organic photovoltaic (OPV) molecules for the implementation in solar cells, has become a subject of intense research in the last years. The present work is a systematic study at the B3LYP level of theory performed for a series of 50 OPV materials. Full geometry optimizations revealed that those systems with a twisted geometry are the most energetically stable. Nuclear independent Chemical shifts (NICS)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03250","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":"2026-05-18T00:52:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ICWO0uOPQZJmqRNVI8mSo+nrrt0pVkzBkJL1qU8jHjxJXdw3W9PO46/ZdNnDbKUpPlbuwmyA4YPIqlQqFIYKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T10:29:56.092793Z"},"content_sha256":"3e0ae00936c56dfed86bbba6c1303e6c903ee613aea954f21ca6642bb9b83ef1","schema_version":"1.0","event_id":"sha256:3e0ae00936c56dfed86bbba6c1303e6c903ee613aea954f21ca6642bb9b83ef1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMN5CD2SCJ5ABKPAROKROVZIB6/bundle.json","state_url":"https://pith.science/pith/WMN5CD2SCJ5ABKPAROKROVZIB6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMN5CD2SCJ5ABKPAROKROVZIB6/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":"2026-06-30T10:29:56Z","links":{"resolver":"https://pith.science/pith/WMN5CD2SCJ5ABKPAROKROVZIB6","bundle":"https://pith.science/pith/WMN5CD2SCJ5ABKPAROKROVZIB6/bundle.json","state":"https://pith.science/pith/WMN5CD2SCJ5ABKPAROKROVZIB6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMN5CD2SCJ5ABKPAROKROVZIB6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WMN5CD2SCJ5ABKPAROKROVZIB6","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":"c3d56e403e229912bfa64bf2e8ff2f53cab37e01ddd04b02e3da50cf30c576f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-01-12T06:25:05Z","title_canon_sha256":"0ab158de94163c24dac5511373dd9815da0a3a13fe3cf7d2aed8c45555367117"},"schema_version":"1.0","source":{"id":"1701.03250","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03250","created_at":"2026-05-18T00:52:58Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03250v1","created_at":"2026-05-18T00:52:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03250","created_at":"2026-05-18T00:52:58Z"},{"alias_kind":"pith_short_12","alias_value":"WMN5CD2SCJ5A","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WMN5CD2SCJ5ABKPA","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WMN5CD2S","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:3e0ae00936c56dfed86bbba6c1303e6c903ee613aea954f21ca6642bb9b83ef1","target":"graph","created_at":"2026-05-18T00:52:58Z","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":"The use of eco-friendly materials for the environment has been addressed as a critical issue in the development of systems for renewable energy applications. In this regard, the investigation of organic photovoltaic (OPV) molecules for the implementation in solar cells, has become a subject of intense research in the last years. The present work is a systematic study at the B3LYP level of theory performed for a series of 50 OPV materials. Full geometry optimizations revealed that those systems with a twisted geometry are the most energetically stable. Nuclear independent Chemical shifts (NICS)","authors_text":"Alfredo Guill\\'en-L\\'opez, Jes\\'us Mu\\~niz, Miguel Robles","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-01-12T06:25:05Z","title":"Electronic structure and non-linear optical properties of organic photovoltaic systems with potential applications on solar cell devices: A DFT approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03250","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":"sha256:79af42cb52dcf055d7b8e3e878391d9474e3302d0e469e0862b14ae88bb95b5e","target":"record","created_at":"2026-05-18T00:52:58Z","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":"c3d56e403e229912bfa64bf2e8ff2f53cab37e01ddd04b02e3da50cf30c576f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-01-12T06:25:05Z","title_canon_sha256":"0ab158de94163c24dac5511373dd9815da0a3a13fe3cf7d2aed8c45555367117"},"schema_version":"1.0","source":{"id":"1701.03250","kind":"arxiv","version":1}},"canonical_sha256":"b31bd10f52127a00a9e08b951757280fb1a11ab1eda995f49c72eb138926cc4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b31bd10f52127a00a9e08b951757280fb1a11ab1eda995f49c72eb138926cc4a","first_computed_at":"2026-05-18T00:52:58.114289Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:58.114289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Et4F1hhAMbVlfnDWd57LfOXEa1OPhQSS+X37fy0n0sWXI083f37RJb/lsH9wiO7HwBqJ6b1rwwf8Nq3mTuMwDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:58.114871Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.03250","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79af42cb52dcf055d7b8e3e878391d9474e3302d0e469e0862b14ae88bb95b5e","sha256:3e0ae00936c56dfed86bbba6c1303e6c903ee613aea954f21ca6642bb9b83ef1"],"state_sha256":"f195a21c97984929c0e92be2c798c5500894d7c5d6dc11fb98763d6c81a1685c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bPeGHEVHSJlAA1IjydXuXJi2agooFtqShGCzG7GGRw4oBe+eHn27CFevTAm0ha+O9YLDyGtvOxIIAxRXqjygDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T10:29:56.094762Z","bundle_sha256":"e7fb341b0c614921879ca0b0e40996596569927c03a6b84fa1b00248857f562a"}}