@prefix this: <https://w3id.org/np/RAtNgfCvNtHC2WTcrIUwQfILOK_FpdPqqx1HHD_N-HTR4> .
@prefix sub: <https://w3id.org/np/RAtNgfCvNtHC2WTcrIUwQfILOK_FpdPqqx1HHD_N-HTR4/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix grlc: <https://w3id.org/kpxl/grlc/> .
@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 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). Adds a user_label column so each agent is shown by name instead of by bare IRI: the canonical foaf:name mirrored into the current space state (which comes from the agent's own key introduction) when present, otherwise the foaf:name asserted for that agent in the pubinfo of the grant nanopublication. Most role holders of a space have no key introduction of their own, so without the fallback they render as a bare ORCID. Rows are ordered by that display name.";
    dct:license <http://www.apache.org/licenses/LICENSE-2.0>;
    rdfs:label "List space observers";
    grlc:endpoint <https://w3id.org/np/l/nanopub-query-1.1/repo/spaces>;
    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/>
prefix foaf: <http://xmlns.com/foaf/0.1/>
select ?user ?user_label ?role_assignments_multi_iri ?role_assignments_label_multi (?user as ?revokeAgent) where {
  {
    select ?user
           (sample(?userName) as ?user_label)
           (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)
               (sample(?userName0) as ?userName)
               (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 ?g { ?user foaf:name ?selfName } }
          optional {
            graph npa:graph { ?grantNp np:hasPublicationInfo ?grantPi . }
            graph ?grantPi { ?user foaf:name ?grantName . }
          }
          bind(coalesce(?selfName, ?grantName) as ?userName0)
          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 ?rl } }
          }
          bind(coalesce(?rl,\"role\") as ?roleLabel0)
        }
        group by ?user ?role
      }
    }
    group by ?user
    having (max(?higher) = 0)
  }
}
order by lcase(coalesce(?user_label, str(?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 "2026-09-08T11:22:06Z"^^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/RAVZskcsPfH8bf5-cdIBWipN85tptp3PpxUfpIszwz7Pg>;
    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 "JQCnWRen/jjbIoK3RZfJZYr8m7irA8xFVky94a5yydYoZcF9d2msa0mGEKxDYVlaeDNk8H0l3oZhKUbiyOYSrSy01v0a76RtD1fC1OwYOCHgBpl69WSDm6MSK9SHyjHHAPys/0aJ0B8GXsEBfR02YoMqc6xibVbnnPzMfVp8NZI=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-1267-0234 .
}