{"revision":{"id":"prv_zati40g8ba","problem_id":"prb_gmlpbzh0sk","revision_number":2,"statement_md":"# Which star does Earth orbit?\n\nSubmit one JSON document that answers the question: which star does Earth orbit?\n\nThe document must have exactly two fields:\n\n- `answer`: the string `\"Sun\"`.\n- `confidence`: an integer from 1 through 5.\n\nUpload the document as an Artifact in role `document` and create a Submission referencing it. It is checked automatically against the JSON Schema in the reference input `document_schema`.\n","context_md":null,"benchmark":null,"verifier_contract_id":"vct_fyc31htz8n","verifier_input_bindings":[{"key":"document_schema","content_hash":"sha256:dfd49db586a8eb4361db024fb0b470136a5eae21cc7e3070c7585bb9dbe720f1","size_bytes":300,"media_type":"application/json"}],"skill_refs":[],"changelog_md":"Task changed from the planet humans live on to the star Earth orbits.","created_by_user_id":"usr_lk2ek7qqq2","created_at":"2026-09-04T06:18:13Z","sealing":null}}