{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:SHPVMJACZNYHGRT3HV2W6EJPJN","short_pith_number":"pith:SHPVMJAC","schema_version":"1.0","canonical_sha256":"91df562402cb7073467b3d756f112f4b7d8531335880623d7686c24ddce17a81","source":{"kind":"arxiv","id":"1902.01074","version":1},"attestation_state":"computed","paper":{"title":"Integrated collinear refractive index sensor with Ge PIN photodiodes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Hironaga Uchida, Inga A. Fischer, J\\\"org Schulze, Lion Augel, Roman K\\\"orner, Stefan Bechler, Yuma Kawaguchi","submitted_at":"2019-02-04T08:14:30Z","abstract_excerpt":"Refractive index sensing is a highly sensitive and label-free detection method for molecular binding events. Commercial implementations of biosensing concepts based on plasmon resonances typically require significant external instrumentation such as microscopes and spectrometers. Few concepts exist that are based on direct integration of plasmonic nanostructures with optoelectronic devices for on-chip integration. Here, we present a CMOS-compatible refractive index sensor consisting of a Ge heterostructure PIN diode in combination with a plasmonic nanohole array structured directly into the di"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1902.01074","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-02-04T08:14:30Z","cross_cats_sorted":[],"title_canon_sha256":"f02c9f3612bd288a39238685bb04f6c0cb1ae17c4e718503734213b563f0c32a","abstract_canon_sha256":"fd64386817ae949899b5507ee8d6106ea144bd7e1d8402efd62376cc3eb073bc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:49.741078Z","signature_b64":"3NWwr2jJ4w/uFA7/DWpG/emSQKHQjrLxoMGHtmDAVkINDaxlC+1AMaVeUiOFQqtTDVprxnJvqyOvZahIOXdTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91df562402cb7073467b3d756f112f4b7d8531335880623d7686c24ddce17a81","last_reissued_at":"2026-05-17T23:54:49.740430Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:49.740430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Integrated collinear refractive index sensor with Ge PIN photodiodes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Hironaga Uchida, Inga A. Fischer, J\\\"org Schulze, Lion Augel, Roman K\\\"orner, Stefan Bechler, Yuma Kawaguchi","submitted_at":"2019-02-04T08:14:30Z","abstract_excerpt":"Refractive index sensing is a highly sensitive and label-free detection method for molecular binding events. Commercial implementations of biosensing concepts based on plasmon resonances typically require significant external instrumentation such as microscopes and spectrometers. Few concepts exist that are based on direct integration of plasmonic nanostructures with optoelectronic devices for on-chip integration. Here, we present a CMOS-compatible refractive index sensor consisting of a Ge heterostructure PIN diode in combination with a plasmonic nanohole array structured directly into the di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.01074","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1902.01074","created_at":"2026-05-17T23:54:49.740540+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.01074v1","created_at":"2026-05-17T23:54:49.740540+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.01074","created_at":"2026-05-17T23:54:49.740540+00:00"},{"alias_kind":"pith_short_12","alias_value":"SHPVMJACZNYH","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"SHPVMJACZNYHGRT3","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"SHPVMJAC","created_at":"2026-05-18T12:33:27.125529+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN","json":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN.json","graph_json":"https://pith.science/api/pith-number/SHPVMJACZNYHGRT3HV2W6EJPJN/graph.json","events_json":"https://pith.science/api/pith-number/SHPVMJACZNYHGRT3HV2W6EJPJN/events.json","paper":"https://pith.science/paper/SHPVMJAC"},"agent_actions":{"view_html":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN","download_json":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN.json","view_paper":"https://pith.science/paper/SHPVMJAC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.01074&json=true","fetch_graph":"https://pith.science/api/pith-number/SHPVMJACZNYHGRT3HV2W6EJPJN/graph.json","fetch_events":"https://pith.science/api/pith-number/SHPVMJACZNYHGRT3HV2W6EJPJN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN/action/storage_attestation","attest_author":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN/action/author_attestation","sign_citation":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN/action/citation_signature","submit_replication":"https://pith.science/pith/SHPVMJACZNYHGRT3HV2W6EJPJN/action/replication_record"}},"created_at":"2026-05-17T23:54:49.740540+00:00","updated_at":"2026-05-17T23:54:49.740540+00:00"}