@prefix this: . @prefix sub: . @prefix np: . @prefix dct: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . @prefix orcid: . @prefix ns1: . @prefix prov: . sub:Head { this: np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo; a np:Nanopublication . } sub:assertion { a ; . sub:Variable30 dct:description "date of last COVID-19 PCR test performed by a certified laboratory"; a ; rdfs:label "Date of PCR-test", "Date of last PCR-test"; rdfs:seeAlso ; ; ; ; . } sub:provenance { sub:assertion prov:wasAttributedTo orcid:0000-0003-4072-0662 . } sub:pubinfo { sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrr9kxvJWjkFKKsApxLVXi5Uhdq7kUiPu2yt6Wibh9TWWklUQCEn6XnSe2XPAhgLeMKhslxGxfyTQD1ZWpOj5aw4umUzOp+7i4gwpUnaDvIsa9GPoW1eTZLl1Q9LMUTwOzSYlESTsSLug8UULvaK5ZhvmRlp3oFcfoMS6WolzkbQIDAQAB"; npx:hasSignature "DYyWRFfXpX0nfNEnYZBZ0yjfCIxWMnJvuTpj/DZ5ghMNdsp6GoT2T/aKR7Gtn3ak6Ij0x+RIDQwDIHBbIUS2LROw9PRzMsP4ETrrdWYhVle90LccVJf0gK5v9DFT3wNxUvsBFnbzVpY4PLuclNtiNaHpfXpiYalE/S0uFx7hkaA="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0003-4072-0662 . this: dct:created "2024-09-24T08:02:38.042Z"^^xsd:dateTime; dct:creator orcid:0000-0003-4072-0662; dct:license ; npx:introduces sub:Variable30; npx:wasCreatedAt ; nt:wasCreatedFromProvenanceTemplate ns1:RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM; nt:wasCreatedFromPubinfoTemplate ns1:RAA2MfqdBCzmz9yVWjKLXNbyfBNcwsMmOqcNUxkk1maIM, ns1:RAh1gm83JiG5M6kDxXhaYT1l49nCzyrckMvTzcPn-iv90; nt:wasCreatedFromTemplate . }