{"id": "urn:uuid:7f0c94b4-1839-4589-b688-1eccb9b61d06", "type": ["VerifiableCredential", "OpenBadgeCredential"], "proof": {"type": "Ed25519Signature2020", "created": "2026-05-08T12:16:22Z", "proofValue": "z3Rczoxysq5kvsqbuDqz8JQkYUQdng4f5HSj5N1bzMtHcHS3errmiohY8hw5sQ4jov6fviLRxadotyvnXhuuTqnvG", "proofPurpose": "assertionMethod", "verificationMethod": "did:key:z6MkfwJEckNVbaLwbCETHMYkpfb7g2Nnvqn78ASyrYJfqvow#z6MkfwJEckNVbaLwbCETHMYkpfb7g2Nnvqn78ASyrYJfqvow"}, "issuer": {"id": "did:key:z6MkfwJEckNVbaLwbCETHMYkpfb7g2Nnvqn78ASyrYJfqvow", "name": "MIT Learn", "type": ["Profile"], "image": {"id": "https://learn.mit.edu/images/mit-red.png", "type": "Image", "caption": "MIT Learn logo"}}, "@context": ["https://www.w3.org/ns/credentials/v2", "https://purl.imsglobal.org/spec/ob/v3p0/context-3.0.3.json", "https://w3id.org/security/suites/ed25519-2020/v1"], "validFrom": "2026-05-08T12:16:15Z", "credentialSubject": {"type": ["AchievementSubject"], "identifier": [{"salt": "not-used", "type": "IdentityObject", "hashed": false, "identityHash": "Umar Farouk Aliyu ", "identityType": "name"}], "achievement": {"id": "https://learn.mit.edu/courses/course-v1:UAI_SOURCE+UAI.INTRO", "name": "Introduction to Universal AI", "type": ["Achievement"], "criteria": {"narrative": "- Explain what AI is and how AI agents operate, including perception, reasoning, action, and the role of data.\r\n- Distinguish between symbolic (rule\u2011based) AI and modern machine learning, and understand how each approach solves problems.\r\n- Describe how machine learning models are trained, including training/validation/test splits, inference, and generalization.\r\n- Understand how generative AI systems create content, and what makes them different from earlier AI models.\r\n- Assess real\u2011world AI applications across sectors, including health care, education, and agriculture, and identify the constraints that shape their performance.\r\n- Recognize the societal, ethical, and practical challenges of AI, including bias, explainability, misconceptions, and responsible deployment."}, "description": "Umar Farouk Aliyu  has successfully completed all modules and earned a Course Certificate in Introduction to Universal AI.", "achievementType": "Course"}, "activityEndDate": "2026-05-08T12:16:15Z", "activityStartDate": "2026-05-06T16:02:16Z"}}