{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:2USMDZIGYGFRMK3CJDIURCCL2U","short_pith_number":"pith:2USMDZIG","schema_version":"1.0","canonical_sha256":"d524c1e506c18b162b6248d148884bd53d5eb9e0137d93bc786ccb22435095c7","source":{"kind":"arxiv","id":"1409.4931","version":1},"attestation_state":"computed","paper":{"title":"Rapid and accurate detection of Cyanobacterial toxin microcystin-LR using fiber-optic long-period grating based immunosensor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Garima Mishra, Predrag Mikulic, Saurabh Mani Tripathi, Wojtek J. Bock","submitted_at":"2014-09-17T10:01:23Z","abstract_excerpt":"In this paper we present a label-free, stable and highly sensitive fiber-optic sensor for detection of environmental toxin microcystin-LR (MC-LR). Thiolated MC-LR-targeting aptamer covalently immobilized on dual-resonance long-period fiber gratings (DR-LPFG) is used as MC-LR recognition element and the spectral response of the DR-LPFG is monitored for various concentrations of MC-LR. Sensitivity of the DR-LPFG is optimized by coating an appropriate thickness of gold layer to the fiber surface. Gold coating serves two purposes, first it locally supports a surface-Plasmon mode associated with th"},"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":"1409.4931","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-09-17T10:01:23Z","cross_cats_sorted":[],"title_canon_sha256":"07e1d898d7d842cb05f866f5edc14071b1fd876f27ca740f1c81fec36bb385d1","abstract_canon_sha256":"566e7f0def8d27ebbd0f80e62d3a4a8e23faeb2a7158a27535509107e467a542"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:38.339260Z","signature_b64":"7+Xl6qYWuJhtQ39HqbBvrn3CqD6jjGNNpAWiJgTancCEVNqrF/6unt/WJMSBiZJfQ79aqv9Fq+1EDrOFNCN2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d524c1e506c18b162b6248d148884bd53d5eb9e0137d93bc786ccb22435095c7","last_reissued_at":"2026-05-18T02:42:38.338552Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:38.338552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Rapid and accurate detection of Cyanobacterial toxin microcystin-LR using fiber-optic long-period grating based immunosensor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Garima Mishra, Predrag Mikulic, Saurabh Mani Tripathi, Wojtek J. Bock","submitted_at":"2014-09-17T10:01:23Z","abstract_excerpt":"In this paper we present a label-free, stable and highly sensitive fiber-optic sensor for detection of environmental toxin microcystin-LR (MC-LR). Thiolated MC-LR-targeting aptamer covalently immobilized on dual-resonance long-period fiber gratings (DR-LPFG) is used as MC-LR recognition element and the spectral response of the DR-LPFG is monitored for various concentrations of MC-LR. Sensitivity of the DR-LPFG is optimized by coating an appropriate thickness of gold layer to the fiber surface. Gold coating serves two purposes, first it locally supports a surface-Plasmon mode associated with th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4931","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":"1409.4931","created_at":"2026-05-18T02:42:38.338673+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.4931v1","created_at":"2026-05-18T02:42:38.338673+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4931","created_at":"2026-05-18T02:42:38.338673+00:00"},{"alias_kind":"pith_short_12","alias_value":"2USMDZIGYGFR","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"2USMDZIGYGFRMK3C","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"2USMDZIG","created_at":"2026-05-18T12:28:11.866339+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/2USMDZIGYGFRMK3CJDIURCCL2U","json":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U.json","graph_json":"https://pith.science/api/pith-number/2USMDZIGYGFRMK3CJDIURCCL2U/graph.json","events_json":"https://pith.science/api/pith-number/2USMDZIGYGFRMK3CJDIURCCL2U/events.json","paper":"https://pith.science/paper/2USMDZIG"},"agent_actions":{"view_html":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U","download_json":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U.json","view_paper":"https://pith.science/paper/2USMDZIG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.4931&json=true","fetch_graph":"https://pith.science/api/pith-number/2USMDZIGYGFRMK3CJDIURCCL2U/graph.json","fetch_events":"https://pith.science/api/pith-number/2USMDZIGYGFRMK3CJDIURCCL2U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U/action/storage_attestation","attest_author":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U/action/author_attestation","sign_citation":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U/action/citation_signature","submit_replication":"https://pith.science/pith/2USMDZIGYGFRMK3CJDIURCCL2U/action/replication_record"}},"created_at":"2026-05-18T02:42:38.338673+00:00","updated_at":"2026-05-18T02:42:38.338673+00:00"}