{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:QI5R2D77PK3NZVVMGKUAXF6FWG","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":"85f449f19b0e9cc7240f65c888a53f87aebd871ac5b4e3f095115b12291cc330","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-20T21:36:50Z","title_canon_sha256":"6b2ba8b98d86a655f832e4486120c329d37fae43e0f8e9d953f3ccc1e49eab18"},"schema_version":"1.0","source":{"id":"1601.05444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.05444","created_at":"2026-05-18T01:18:18Z"},{"alias_kind":"arxiv_version","alias_value":"1601.05444v1","created_at":"2026-05-18T01:18:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.05444","created_at":"2026-05-18T01:18:18Z"},{"alias_kind":"pith_short_12","alias_value":"QI5R2D77PK3N","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QI5R2D77PK3NZVVM","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QI5R2D77","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:9cbf8e579fe0795468005c3ff38bf5a151a30874f22ff05c0f1e12b5d37dbd9c","target":"graph","created_at":"2026-05-18T01:18:18Z","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":"The determination of minority-carrier lifetimes and surface recombination velocities is essential for the development of semiconductor technologies such as solar cells. The recent development of two-photon time-resolved microscopy allows for better measurements of bulk and subsurface interfaces properties. Here we analyze the diffusion problem related to this optical technique. Our three-dimensional treatment enables us to separate lifetime (recombination) from transport effects (diffusion) in the photoluminescence intensity. It also allows us to consider surface recombination occurring at a v","authors_text":"Benoit Gaury, Paul Haney","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-20T21:36:50Z","title":"Probing surface recombination velocities in semiconductors using two-photon microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.05444","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:e7678c8d802dc0771479b5c01e52b21148c1c6afaf893471d05ad3059e3de759","target":"record","created_at":"2026-05-18T01:18:18Z","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":"85f449f19b0e9cc7240f65c888a53f87aebd871ac5b4e3f095115b12291cc330","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-20T21:36:50Z","title_canon_sha256":"6b2ba8b98d86a655f832e4486120c329d37fae43e0f8e9d953f3ccc1e49eab18"},"schema_version":"1.0","source":{"id":"1601.05444","kind":"arxiv","version":1}},"canonical_sha256":"823b1d0fff7ab6dcd6ac32a80b97c5b1bd7111b7bce6f842fc22f089ec42226b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"823b1d0fff7ab6dcd6ac32a80b97c5b1bd7111b7bce6f842fc22f089ec42226b","first_computed_at":"2026-05-18T01:18:18.087076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:18.087076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3+C2ccl/Tn7TaIbuphr2kYci/DWf4k6wqHNeoXNQ8xMXGSbr72YT3EGFvKbITZ7P4XQTvFd0N+S/L91QDvb0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:18.087626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.05444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7678c8d802dc0771479b5c01e52b21148c1c6afaf893471d05ad3059e3de759","sha256:9cbf8e579fe0795468005c3ff38bf5a151a30874f22ff05c0f1e12b5d37dbd9c"],"state_sha256":"45f7380bafc854cdb8ade4bcf7ef65564daf85c13221d0a8ce770ef0c49951fe"}