{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DIB5ONIX5ZFE2AVAPWWSBREFPF","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":"2ac4f3bcf22af738e0c3e6afb092c345de859a1a94b09887f1e91ab54c644f7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-25T00:10:32Z","title_canon_sha256":"c0939d510bb639e8b478b21c6f53d5278d7335d4c7d12083322d647e32347d7e"},"schema_version":"1.0","source":{"id":"1406.6420","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6420","created_at":"2026-05-18T02:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6420v1","created_at":"2026-05-18T02:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6420","created_at":"2026-05-18T02:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"DIB5ONIX5ZFE","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DIB5ONIX5ZFE2AVA","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DIB5ONIX","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:cf76fc19df2395b2a17814d2d877a02d510709a96b0e5a931a68219a15a70742","target":"graph","created_at":"2026-05-18T02:49:02Z","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":"Silicon photonics has recently been proposed for a diverse set of applications at mid-infrared wavelengths, the implementation of which require on-chip photodetectors. In planar geometries, dopant-based extrinsic photoconductors have long been used for mid-infrared detection with Si and Ge acting as host materials. Leveraging the dopant-induced sub-bandgap trap-states used in bulk photoconductors for waveguide integrated mid-infrared detectors offers simple processing, integration, and operation throughout the mid-infrared by appropriate choice of dopant. In particular, Si doped with Zn forms ","authors_text":"Brian Souhan, Hassaram Bakhru, Jeffrey B. Driscoll, Keren Bergman, Noam Ophir, Richard M. Osgood Jr, Richard R. Grote, William M. J. Green","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-25T00:10:32Z","title":"Extrinsic Photodiodes for Integrated Mid-Infrared Silicon Photonics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6420","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":"sha256:17f262e395516b0197452cb65dbc8fd85c036640c390b68611af56ac3f780ead","target":"record","created_at":"2026-05-18T02:49:02Z","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":"2ac4f3bcf22af738e0c3e6afb092c345de859a1a94b09887f1e91ab54c644f7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-25T00:10:32Z","title_canon_sha256":"c0939d510bb639e8b478b21c6f53d5278d7335d4c7d12083322d647e32347d7e"},"schema_version":"1.0","source":{"id":"1406.6420","kind":"arxiv","version":1}},"canonical_sha256":"1a03d73517ee4a4d02a07dad20c485797f8f6df7b7ccc92f50eb16794050b24c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a03d73517ee4a4d02a07dad20c485797f8f6df7b7ccc92f50eb16794050b24c","first_computed_at":"2026-05-18T02:49:02.856899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:02.856899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x+nmBJ9nQQY6t1tlP4YdFeOInF0L07qom2DbZvjjKex2tj7TTjXii4lYWMGSPL072GlYFDRUy6ur4hnvCD0wAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:02.857395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.6420","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17f262e395516b0197452cb65dbc8fd85c036640c390b68611af56ac3f780ead","sha256:cf76fc19df2395b2a17814d2d877a02d510709a96b0e5a931a68219a15a70742"],"state_sha256":"10c5556e12d8586d43f9843d8f2257a8753e906c81aeb22af02150bab98ef8e8"}