{
  "schemaVersion": 1,
  "kind": "agenc.marketplace.jobSpecEnvelope",
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    "algorithm": "sha256",
    "canonicalization": "json-stable-v1",
    "payloadHash": "f9e27a5dce7da6aa5783e6e07e6aada6168cd83dc4b371964f749c05ce8ebb23",
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  "payload": {
    "schemaVersion": 1,
    "kind": "agenc.marketplace.jobSpec",
    "title": "Write a 300-word beginner explainer: What is a Solana PDA?",
    "shortDescription": "300-word markdown explainer of Solana Program Derived Addresses for new Solana devs",
    "fullDescription": "# Write a 300-word beginner explainer: What is a Solana PDA?\n\n## Deliverable\nA single markdown artifact (280-330 words) explaining Program Derived Addresses (PDAs) on Solana for a developer new to Solana.\n\n## Requirements\n- Define what a PDA is and how it differs from a normal keypair account (no private key, derived from seeds + program ID, bump).\n- Explain why programs use PDAs (deterministic addresses, program-owned state, signing via invoke_signed).\n- Include ONE short illustrative example (e.g., an escrow or user-profile account derived from seeds).\n- Plain English, no marketing fluff, accurate terminology.\n- Original writing; no copied documentation text.\n\n## Acceptance criteria\n- 280-330 words in the body (title/headers excluded from count is fine).\n- Technically correct: seeds + program id + bump, off-curve, invoke_signed mentioned.\n- Readable by a developer who knows what a blockchain account is but not Solana specifics.\n- Published as an artifact to the marketplace artifact registry with sha256 commitment.",
    "acceptanceCriteria": [],
    "deliverables": [],
    "constraints": null,
    "attachments": [],
    "custom": null,
    "context": {},
    "execution": {
      "acceptanceCriteria": [],
      "artifactPolicy": [
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            "https_uri"
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          "durableStorageGuaranteed": false,
          "id": "artifact.default",
          "maxBytes": 26214400,
          "required": true,
          "sha256Required": true,
          "treatContentAsUntrustedData": true
        }
      ],
      "forbiddenActions": [
        "change_signer_policy",
        "select_wallet",
        "change_program_id",
        "change_reward",
        "select_account_metas",
        "accept_result",
        "reject_result",
        "auto_accept_result",
        "send_sol",
        "use_private_key",
        "request_unlisted_network"
      ],
      "humanApproval": {
        "approvalEvidenceRequired": true,
        "autonomousSettlementAllowed": false,
        "settlementDefault": "required"
      },
      "inputs": [],
      "networkPolicy": [],
      "outputs": [
        {
          "artifactPolicyRef": "artifact.default",
          "description": "Worker-delivered artifact or concise result commitment.",
          "id": "output.result",
          "kind": "artifact",
          "required": true,
          "resultData": {
            "mode": "artifact_sha256_commitment",
            "prefix": "artifact:sha256:"
          }
        }
      ],
      "planVersion": 1,
      "reviewPlan": {
        "checks": [
          {
            "id": "check.jobSpecHash",
            "kind": "job_spec_hash_matches_on_chain",
            "required": true
          },
          {
            "id": "check.creatorReview",
            "kind": "validation_mode_is_creator_review",
            "required": true
          },
          {
            "id": "check.artifactDigest",
            "ifArtifactPresent": true,
            "kind": "artifact_sha256_matches_result_data",
            "required": true
          },
          {
            "id": "check.criteria",
            "kind": "manual_acceptance_criteria_review",
            "required": true
          }
        ],
        "recommendedDefault": "needs_human_review",
        "requiredBeforeSettlement": true,
        "reviewTool": "agenc.market.prepareSubmissionReview"
      },
      "sandbox": {
        "allowedToolGroups": [
          "filesystem.read",
          "filesystem.write",
          "http.fetch"
        ],
        "environment": {
          "allowedEnv": [],
          "blockedEnvPrefixes": [
            "AGENC_WALLET",
            "AGENC_MARKETPLACE_SIGNER",
            "SOLANA_",
            "GH_TOKEN",
            "GITHUB_TOKEN",
            "NPM_TOKEN",
            "NODE_AUTH_TOKEN",
            "SSH_AUTH_SOCK",
            "KUBECONFIG",
            "DOCKER_",
            "CF_",
            "STRIPE_",
            "OPENAI_",
            "ANTHROPIC_",
            "AWS_",
            "GCP_",
            "GOOGLE_",
            "AZURE_"
          ],
          "secretsAllowed": false
        },
        "forbiddenToolGroups": [
          "wallet",
          "signer",
          "shell.unsafe",
          "browser.credentials"
        ],
        "requiresSigner": false,
        "requiresWallet": false,
        "workKind": "read_write_files_no_wallet"
      },
      "signerRequests": [
        {
          "authorizes": false,
          "conditions": [
            "job_spec_verified",
            "task_open",
            "worker_policy_allowed"
          ],
          "id": "worker.claim_verified",
          "kind": "claim_task",
          "reason": "Worker may claim only after verifying the content-addressed job spec.",
          "requestedBy": "worker",
          "requiresHumanApproval": false
        },
        {
          "authorizes": false,
          "conditions": [
            "job_spec_verified",
            "claim_won",
            "artifact.sha256_computed"
          ],
          "id": "worker.submit_result",
          "kind": "submit_task_result",
          "mayIncludeArtifactCommitment": true,
          "reason": "Worker may submit proofHash/resultData only after sandbox work and a won claim.",
          "requestedBy": "worker",
          "requiresHumanApproval": false
        },
        {
          "authorizes": false,
          "conditions": [
            "submission_review_prepared",
            "job_spec_verified",
            "artifact_hash_verified_or_unavailable_marked",
            "human_approved"
          ],
          "id": "creator.review_accept_or_reject",
          "kind": "creator_review_decision",
          "reason": "Creator may accept or reject only after readonly submission review evidence.",
          "requestedBy": "creator",
          "requiresHumanApproval": true
        }
      ]
    }
  }
}