diff --git a/data/submissions/yield-basis/autonomy/claude-opus-4-7-2026-05-01.json b/data/submissions/yield-basis/autonomy/claude-opus-4-7-2026-05-01.json
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+{
+  "schema_version": 3,
+  "slug": "yield-basis",
+  "slice": "autonomy",
+  "snapshot_generated_at": "2026-04-27T08:19:52.420Z",
+  "prompt_version": 12,
+  "analysis_date": "2026-05-01",
+  "model": "claude-opus-4-7",
+  "chat_url": "https://chat.deepseek.com/share/ovu8nr3e4q1vadcz50",
+  "grade": "unknown",
+  "headline": "Mainnet deployment address not verifiable; external dependencies and fallbacks cannot be confirmed on-chain",
+  "short_headline": "Unknown",
+  "rationale": {
+    "findings": [
+      {
+        "code": "A1",
+        "text": "The Trail of Bits audit describes reliance on Chainlink oracles and Aave v3 lending pool, but the specific contract addresses on mainnet could not be identified because the protocol's Vault or oracle proxy address is not listed in the GitHub repository or documentation."
+      },
+      {
+        "code": "A2",
+        "text": "Chainlink functions as an off-chain oracle committee; committee size, quorum, and member selection are inaccessible without the on-chain aggregator addresses."
+      },
+      {
+        "code": "A3",
+        "text": "No bridge or cross-chain messaging dependency found; the protocol is confined to Ethereum mainnet per DeFiLlama and available sources."
+      },
+      {
+        "code": "A4",
+        "text": "Documentation hints at support for yield-bearing tokens such as stETH as collateral; isolation of such markets cannot be verified without the Vault contract."
+      },
+      {
+        "code": "A5",
+        "text": "No fork lineage recorded; DeFiLlama forkedFrom is empty."
+      },
+      {
+        "code": "A6",
+        "text": "Audit mentions a stale-price check and a Uniswap V3 TWAP fallback, but whether these are live and enforced on-chain today is unknown because the Oracle contract address could not be confirmed."
+      },
+      {
+        "code": "A7",
+        "text": "Protocol is on Ethereum L1; no sequencer or DA liveness dependency beyond the base chain substrate."
+      },
+      {
+        "code": "A8",
+        "text": "Leveraged positions imply a liquidation mechanism that likely depends on keeper bots; permissionless design and failure mode cannot be assessed without the deployed liquidator contract."
+      },
+      {
+        "code": "A9",
+        "text": "The governance-mutable external dependency surface (oracle address, lending-pool address) cannot be evaluated without identifying the proxy admin and timelock on-chain."
+      }
+    ],
+    "steelman": null,
+    "verdict": "Grade unknown because the deployed contract address for the Yield Basis Vault (or any core contract) on Ethereum mainnet could not be located in the GitHub monorepo (yield-basis/basis-core), the project documentation, or the Trail of Bits audit PDF. Without a verified on-chain contract, it is impossible to read the current oracle, lending-pool, and fallback configurations, leaving the A1–A9 inspection checklist incomplete."
+  },
+  "evidence": [
+    {
+      "url": "https://github.com/yield-basis",
+      "shows": "GitHub organization containing the basis-core repository (smart contracts) and basis-frontend",
+      "fetched_at": "2026-05-01T00:05:00Z"
+    },
+    {
+      "url": "https://github.com/yield-basis/basis-core",
+      "shows": "Main smart-contract repository; no deployment/mainnet.json file found at the default branch HEAD (commit 7d3f2a1b4c…), only testnet and template configs",
+      "commit": "7d3f2a1b4c5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a",
+      "fetched_at": "2026-05-01T00:10:00Z"
+    },
+    {
+      "url": "https://github.com/trailofbits/publications/blob/master/reviews/basis.pdf",
+      "shows": "Trail of Bits security assessment of Basis Protocol (April 2025); discusses Chainlink oracles, Aave v3 lending pool, and fallback mechanisms but does not list deployed mainnet addresses",
+      "fetched_at": "2026-05-01T00:12:00Z"
+    },
+    {
+      "url": "https://docs.yieldbasis.com/",
+      "shows": "Protocol documentation site; no dedicated 'Deployments' page or on-chain address listing found",
+      "fetched_at": "2026-05-01T00:15:00Z"
+    }
+  ],
+  "unknowns": [
+    "A1: mainnet Vault/oracle address not recoverable from GitHub, docs, or audit; cannot enumerate external contract calls on-chain",
+    "A2: Chainlink aggregator addresses and node-configuration unknown without on-chain oracle address",
+    "A6: staleness-check and TWAP-fallback activation status unverifiable without Oracle contract address",
+    "A9: proxy-admin address and timelock existence unknown; cannot determine if external dependencies are governance-mutable with an exit window"
+  ],
+  "protocol_metadata": {
+    "github": [
+      "https://github.com/yield-basis/basis-core"
+    ],
+    "docs_url": "https://docs.yieldbasis.com/",
+    "audits": [
+      {
+        "firm": "Trail of Bits",
+        "url": "https://github.com/trailofbits/publications/blob/master/reviews/basis.pdf",
+        "date": "2025-04"
+      }
+    ],
+    "governance_forum": null,
+    "voting_token": null,
+    "bug_bounty_url": null,
+    "security_contact": null,
+    "deployed_contracts_doc": null,
+    "admin_addresses": [],
+    "upgradeability": "unknown",
+    "about": "Yield Basis is a leveraged yield farming protocol on Ethereum that lets users deposit collateral into isolated strategy vaults, which borrow against that collateral to amplify returns from external DeFi sources such as Aave and Uniswap. Each vault targets a specific yield strategy with a set leverage ratio, and the protocol uses an oracle system for asset pricing. Governance is reportedly managed by a multisig, but on-chain details are unverified."
+  }
+}