{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IQ7Y6EZP537AXK364HX2ZNS2PK","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":"bb81d5cd1866caef7f350a1a80c5a8caeb71631e56e1feff3ccb25f8bfccce22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-05-24T17:40:12Z","title_canon_sha256":"ff0c5b34f8b163d79718d4fe454fe12c2e1f39b97be68f230092cb51ce7941f8"},"schema_version":"1.0","source":{"id":"1806.06665","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.06665","created_at":"2026-05-18T00:13:01Z"},{"alias_kind":"arxiv_version","alias_value":"1806.06665v1","created_at":"2026-05-18T00:13:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.06665","created_at":"2026-05-18T00:13:01Z"},{"alias_kind":"pith_short_12","alias_value":"IQ7Y6EZP537A","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IQ7Y6EZP537AXK36","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IQ7Y6EZP","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:ddf95c176092f54147aa3ea06ce6eef1acc26c4b779ae7dc3ba20bc09287f6f6","target":"graph","created_at":"2026-05-18T00:13:01Z","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":"Light-induced instabilities/degradation in Cu(In,Ga)Se2 (CIGS) solar cells are a prevalent and urgent issue to resolve to improve performance, uniformity, and reliability. Here, mechanisms contributing to light-induced instabilities are identified focusing on an observed short circuit current (JSC) reduction. External quantum efficiency measurements before and after light soaking identified a reduction in long wavelength photon carrier collection efficiency in the CIGS absorber layer. Using deep level optical spectroscopy (DLOS), the concentration of CIGS EV+0.98 eV deep level is correlated wi","authors_text":"A. R. Arehart, A. Rockett, L. Stolt, P. K. Paul, T. Jarmar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-05-24T17:40:12Z","title":"Role of EV+0.98 eV trap in light soaking-induced short circuit current instability in CIGS solar cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.06665","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:e42a6ba61432e35bc7ee5ba093336adbc509ffc479e516f1e17014a42e806664","target":"record","created_at":"2026-05-18T00:13:01Z","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":"bb81d5cd1866caef7f350a1a80c5a8caeb71631e56e1feff3ccb25f8bfccce22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-05-24T17:40:12Z","title_canon_sha256":"ff0c5b34f8b163d79718d4fe454fe12c2e1f39b97be68f230092cb51ce7941f8"},"schema_version":"1.0","source":{"id":"1806.06665","kind":"arxiv","version":1}},"canonical_sha256":"443f8f132feefe0bab7ee1efacb65a7a89edb80c414152e892b3377aea44752b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"443f8f132feefe0bab7ee1efacb65a7a89edb80c414152e892b3377aea44752b","first_computed_at":"2026-05-18T00:13:01.703818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:01.703818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SI6gN4yFmzHDFxnzA2BT6c3eFLF01/E/VTTl3ttQWTJkihlAC4ekFj3rTuKL6QqLvyAqaF+myny1RMcHDd/lAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:01.704431Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.06665","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e42a6ba61432e35bc7ee5ba093336adbc509ffc479e516f1e17014a42e806664","sha256:ddf95c176092f54147aa3ea06ce6eef1acc26c4b779ae7dc3ba20bc09287f6f6"],"state_sha256":"a1d070e485bc0a08e2fc584522e4b4685fac3fa74b669f6112926d384f16a5f0"}