P. Nakamura — prompt to ChatGPT (personal)
Jul 27, 2026 at 12:59 PM · Week 8 · event d58e66eb-b0a9-49a0-b338-ac46f37801ddWrite a follow-up note to Beatriz Winterbourne at (419) 555-0169 about the certificate of deposit maturing next month.
proved by a checksum or a format rule · matched by a pattern, which is a shape, or by the taxonomy or the institution’s dictionary, which are vocabulary markers — neither is a proof
| Data class | Offsets | Proof | Detector |
|---|---|---|---|
| Member PII | 26–46 | pattern match — a shape, not a proof | cmb-member-pii |
One span here is seeded, not re-derived. 26–46 — the name is proven at that offset by the engine’s own name rule, and the identifier pairing that makes it Member PII is seeded rather than re-derived: this excerpt carries no identifier for the combination rule to pair with. The span is counted in every figure on this console; what it is not is a chain an examiner can replay end to end, which is why the evidence package prints only chains that reproduce exactly.
- captured Jul 27, 2026 at 12:59 PMP. Nakamura (Deposit operations analyst, Retail & Branch Ops) — prompt to ChatGPT (personal).
- classified Jul 27, 2026 at 12:59 PM1 span in member_pii; proof recorded on each span.
- decided Jul 27, 2026 at 12:59 PMmonitor under policy v4, from the member_pii cell for the operations role group.
- submitted Jul 27, 2026 at 12:59 PMSubmitted to ChatGPT (personal) as typed.
The same chain in JSON: /api/v1/events?id=d58e66eb…
1,144 events matching trailing 30 days
Jul 16 – Aug 14, 2026. Every row drills to the full provenance chain, and every state on this page — filters, page and drill alike — is a URL you can paste to a colleague. The same query as JSON: /api/v1/events?scope=windowThe 8 people carrying the most of this filter, of 24. Narrow the Person control above to read one of them alone.
| When | Who | Channel · destination | Classes | Decision | Outcome | |
|---|---|---|---|---|---|---|
| Jul 27, 2026 at 2:00 PMWeek 8 | K. OseiCommercial Lending | promptGemini Advanced | Member PII, Account Numbers | Warnv4 | transformed | Chain |
| Jul 27, 2026 at 1:56 PMWeek 8 | M. RamaswamyCommercial Lending | pasteGemini Advanced | Member PII, SSN / Tax ID, Account Numbers | Warnv4 | transformed | Chain |
| Jul 27, 2026 at 1:56 PMWeek 8 | N. OyelaranCredit Administration | uploadChatGPT (personal) | Loan Files, Member PII | Warnv4 | abandoned | Chain |
| Jul 27, 2026 at 1:49 PMWeek 8 | M. RamaswamyCommercial Lending | uploadClaude.ai (personal) | Loan Files | Monitorv4 | — | Chain |
| Jul 27, 2026 at 1:38 PMWeek 8 | Y. AbadiCompliance/BSA | pastePerplexity | Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 12:59 PMWeek 8 | P. NakamuraRetail & Branch Ops | promptChatGPT (personal) | Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 12:51 PMWeek 8 | S. AdeyemiRetail & Branch Ops | promptChatGPT (personal) | Account Numbers | Monitorv4 | — | Chain |
| Jul 27, 2026 at 12:48 PMWeek 8 | H. DelacroixCredit Administration | pasteMicrosoft Copilot (consumer) | Credit Memos, Member PII | Warnv4 | transformed | Chain |
| Jul 27, 2026 at 12:34 PMWeek 8 | K. OseiCommercial Lending | promptM365 Copilot | Account Numbers | Monitorv4 | —true positive | Chain |
| Jul 27, 2026 at 12:26 PMWeek 8 | P. NakamuraRetail & Branch Ops | promptGemini Advanced | Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 12:10 PMWeek 8 | H. DelacroixCredit Administration | pasteChatGPT (personal) | Credit Memos, Member PII | Warnv4 | transformed | Chain |
| Jul 27, 2026 at 11:35 AMWeek 8 | P. NakamuraRetail & Branch Ops | pasteClaude.ai (personal) | Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 11:26 AMWeek 8 | P. NakamuraRetail & Branch Ops | pasteGemini Advanced | Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 11:21 AMWeek 8 | P. NakamuraRetail & Branch Ops | promptChatGPT (personal) | SSN / Tax ID | Monitorv4 | — | Chain |
| Jul 27, 2026 at 11:07 AMWeek 8 | T. BeaulieuCommercial Lending | promptGemini Advanced | Loan Files, Member PII | Warnv4 | redirected | Chain |
| Jul 27, 2026 at 11:01 AMWeek 8 | M. RamaswamyCommercial Lending | pasteChatGPT (personal) | Loan Files, Member PII | Warnv4 | overridden | Chain |
| Jul 27, 2026 at 11:01 AMWeek 8 | J. KowalczykRetail & Branch Ops | pasteChatGPT (personal) | Account Numbers, Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 10:55 AMWeek 8 | N. OyelaranCredit Administration | promptClaude.ai (personal) | Loan Files, Member PII | Warnv4 | transformed | Chain |
| Jul 27, 2026 at 10:44 AMWeek 8 | I. QuinteroRetail & Branch Ops | promptClaude.ai (personal) | Account Numbers | Monitorv4 | — | Chain |
| Jul 27, 2026 at 10:36 AMWeek 8 | G. IyerIT | pasteGemini Advanced | API Keys / Creds | Blockv4 | —true positive | Chain |
| Jul 27, 2026 at 10:29 AMWeek 8 | L. TranRetail & Branch Ops | promptM365 Copilot | Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 10:21 AMWeek 8 | P. NakamuraRetail & Branch Ops | promptClaude.ai (personal) | Account Numbers, Member PII | Monitorv4 | — | Chain |
| Jul 27, 2026 at 10:16 AMWeek 8 | N. OyelaranCredit Administration | promptChatGPT (personal) | Member PII, Account Numbers | Warnv4 | overridden | Chain |
| Jul 27, 2026 at 10:14 AMWeek 8 | A. BergströmCredit Administration | promptGemini Advanced | Credit Memos, Member PII | Warnv4 | redirected | Chain |
| Jul 27, 2026 at 9:55 AMWeek 8 | T. BeaulieuCommercial Lending | promptClaude.ai (personal) | Loan Files, Member PII | Warnv4 | redirected | Chain |