@prefix this: <https://w3id.org/np/RAT1mruQUZ07RQVMVqbSH0MvxlibhIsSOYGJ4A8sdhzow> .
@prefix sub: <https://w3id.org/np/RAT1mruQUZ07RQVMVqbSH0MvxlibhIsSOYGJ4A8sdhzow/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix nt: <https://w3id.org/np/o/ntemplate/> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .

sub:Head {
  this: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo .
}

sub:assertion {
  sub:list-space-observers a <https://w3id.org/kpxl/grlc/grlc-query>;
    dct:description "Lists the observer-tier members of a given space (highest validated tier is observer). Reads the materialized tier directly off each validated gen:RoleInstantiation (npa:hasRoleType) in the current space state and excludes anyone holding a higher tier; no role-declaration re-derivation. IRI-keyed by npa:forSpace (param space).";
    dct:license <http://www.apache.org/licenses/LICENSE-2.0>;
    rdfs:label "List space observers";
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/spaces>;
    <https://w3id.org/kpxl/grlc/sparql> """prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix dct: <http://purl.org/dc/terms/>
prefix np: <http://www.nanopub.org/nschema#>
prefix npa: <http://purl.org/nanopub/admin/>
prefix gen: <https://w3id.org/kpxl/gen/terms/>
prefix schema: <http://schema.org/>
select ?user ?role_assignments_multi_iri ?role_assignments_label_multi where {
  {
    select ?user
           (max(?higher) as ?maxHigher)
           (group_concat(?latestNp; separator=\" \") as ?role_assignments_multi_iri)
           (group_concat(?roleLabel; separator=\"\\n\") as ?role_assignments_label_multi)
    where {
      {
        select ?user ?role
               (max(?higher0) as ?higher)
               (sample(?roleLabel0) as ?roleLabel)
               (strafter(max(concat(coalesce(str(?dateNp),\"\"), \" \", str(?grantNp))), \" \") as ?latestNp)
        where {
          values ?_space_multi_iri {}
          graph npa:graph { npa:thisRepo npa:hasCurrentSpaceState ?g . }
          graph ?g {
            ?ri a gen:RoleInstantiation ; npa:forSpace ?_space_multi_iri ; npa:forAgent ?user ; npa:viaNanopub ?grantNp ; npa:hasRoleType ?rt .
          }
          bind(if(?rt=gen:ObserverRole,0,1) as ?higher0)
          optional { graph npa:graph { ?grantNp dct:created ?dateNp } }
          optional {
            graph ?g { ?ri gen:hasRole ?role . }
            graph npa:spacesGraph { ?rd2 npa:role ?role ; npa:viaNanopub ?roleNp . }
            graph npa:graph { ?roleNp np:hasAssertion ?role_a . }
            optional { graph ?role_a { ?role schema:name ?rlS } }
            optional { graph ?role_a { ?role rdfs:label ?rlA } }
            optional { graph ?role_a { ?role dct:title ?rlB } }
            bind(coalesce(?rlS,?rlA,?rlB) as ?rl)
          }
          bind(coalesce(?rl,\"role\") as ?roleLabel0)
        }
        group by ?user ?role
      }
    }
    group by ?user
    having (max(?higher) = 0)
  }
}
order by ?user""" .
}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0000-0002-1267-0234 .
}

sub:pubinfo {
  orcid:0000-0002-1267-0234 foaf:name "Tobias Kuhn" .
  
  this: dct:created "2026-06-23T19:50:34Z"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:embeds sub:list-space-observers;
    npx:supersedes <https://w3id.org/np/RAtg13NgEak-HsSKSOYyqcCMZ8MCI6ggv6NxXTqCUfxN0>;
    rdfs:label "List space observers";
    nt:wasCreatedFromProvenanceTemplate <https://w3id.org/np/RA7lSq6MuK_TIC6JMSHvLtee3lpLoZDOqLJCLXevnrPoU>;
    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>;
    nt:wasCreatedFromTemplate <https://w3id.org/np/RAEFAt-QcFK0ZhqfvlsmS10BnzGJA0xwOICZXkO-ai87k> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB";
    npx:hasSignature "eGk1zwIOexu6tNr9hZcSwQG0LSQuy4EdavMeqEaEyabMVbByjlkNP1cxDrS51KMv+3i90DIKxyvPpgInlNJ0N212FZCZIrgJv8KvNNLR8bEoVKe0j46PO4iRdyzYSiqF3NdLd8PaiCCks+BsZN2lyX2xxGkXST1mCMHFhDShfGI=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-1267-0234 .
}