Signed in asExamination teamExaminer — read-only · ExaminationRead-only evidence. Every figure is the figure the institution reads; what is absent is the ability to change anything — no adjudication, no rung moved, no proposal advanced.
Provenance · one movement, end to end
N. Oyelaran — prompt to M365 Copilot
Aug 12, 2026 at 10:50 AM · Week 10 · event 1b774f43-4402-43ab-bb9f-78945ebed4f7Actor
N. Oyelaran — Credit administration manager, Credit Administration · Credit role groupThe role group is what the policy engine resolves against; the department is what the console cuts by. The event carries both, so no projection has to join.
Content
Summarize the credit file for loan CL-2026-94325 — borrower Bela Marchetti, guarantor on the Chagrin-Valley Properties relationship. Focus on covenant history and past-due notes.
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 |
|---|---|---|---|
| Loan Files | 35–48 | pattern match — a shape, not a proof | pat-loan |
| Member PII | 60–74 | pattern match — a shape, not a proof | cmb-member-pii |
Decision
Warn under policy v5, in force from Aug 3, 2026.The cells that decided it, for the Credit role group: Loan Files — Monitor; Member PII — Warn.
Transform
Redact · 2 span(s) masked, 0 replaced by a format-preserving token.Re-derived here from the stored spans, not read from a stored copy — a redaction that cannot be reproduced from the record is a redaction an examiner cannot check.
Summarize the credit file for loan █████████████ — borrower ██████████████, guarantor on the Chagrin-Valley Properties relationship. Focus on covenant history and past-due notes.
Destination
M365 Copilot — enterprise, sanctionedThe enterprise tenant, allow-listed per data class — sanctioned is not the same as unrestricted.
Loan FilesallowedPermitted; the tenant is in scope for the institution’s information security program.Member PIIallowedPermitted; the tenant is contracted and in scope for the institution’s information security program.
Outcome
The user transformed after the card.Triage marked it true positive — M. Halloran, Aug 12, 2026 at 5:30 PM. Open in Triage
The record
- captured Aug 12, 2026 at 10:50 AMN. Oyelaran (Credit administration manager, Credit Administration) — prompt to M365 Copilot.
- classified Aug 12, 2026 at 10:50 AM2 spans in loan_files, member_pii; proof recorded on each span.
- decided Aug 12, 2026 at 10:50 AMwarn under policy v5, from the member_pii cell for the credit role group.
- transformed Aug 12, 2026 at 10:50 AMSafe transform taken on the coach card: 2 span(s) masked in place by offset. Warn does not rewrite anything by itself — the person chose this. The tokenize option is not on for the account_numbers cell in the credit role group under v5, so every span is masked.
- submitted Aug 12, 2026 at 10:50 AMSubmitted to M365 Copilot after transformation; the original text was not sent.
- adjudicated Aug 12, 2026 at 5:30 PMMarked a true positive by M. Halloran in triage.
The same chain in JSON: /api/v1/events?id=1b774f43…
Events · the log itself
243 events matching N. Oyelaran
Jun 8 – 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?actor=p-oyelaran&as=examinerWho sent them — 1 person across 243 events
| When | Who | Channel · destination | Classes | Decision | Outcome | |
|---|---|---|---|---|---|---|
| Aug 14, 2026 at 3:46 PMWeek 10 | N. OyelaranCredit Administration | pasteClaude.ai (personal) | Member PII | Warnv5 | redirected | Chain |
| Aug 14, 2026 at 3:29 PMWeek 10 | N. OyelaranCredit Administration | uploadGemini Advanced | Credit Memos, Member PII | Warnv5 | abandoned | Chain |
| Aug 14, 2026 at 11:41 AMWeek 10 | N. OyelaranCredit Administration | promptGemini Advanced | Credit Memos, Member PII | Warnv5 | redirected | Chain |
| Aug 14, 2026 at 8:40 AMWeek 10 | N. OyelaranCredit Administration | promptChatGPT (personal) | Credit Memos, Member PII | Warnv5 | transformed | Chain |
| Aug 14, 2026 at 8:39 AMWeek 10 | N. OyelaranCredit Administration | promptChatGPT (personal) | Member PII, Account Numbers | Warnv5 | redirected | Chain |
| Aug 14, 2026 at 8:35 AMWeek 10 | N. OyelaranCredit Administration | promptChatGPT (personal) | Loan Files, Member PII | Warnv5 | redirected | Chain |
| Aug 13, 2026 at 4:34 PMWeek 10 | N. OyelaranCredit Administration | uploadChatGPT (personal) | Credit Memos, Member PII | Warnv5 | overridden | Chain |
| Aug 13, 2026 at 2:30 PMWeek 10 | N. OyelaranCredit Administration | uploadM365 Copilot | Loan Files, Member PII | Warnv5 | transformed | Chain |
| Aug 13, 2026 at 1:07 PMWeek 10 | N. OyelaranCredit Administration | pasteChatGPT (personal) | Credit Memos, Member PII | Warnv5 | redirected | Chain |
| Aug 13, 2026 at 12:13 PMWeek 10 | N. OyelaranCredit Administration | promptChatGPT (personal) | Loan Files, Member PII | Warnv5 | transformed | Chain |
| Aug 13, 2026 at 12:05 PMWeek 10 | N. OyelaranCredit Administration | pastePerplexity | Credit Memos | Monitorv5 | —true positive | Chain |
| Aug 13, 2026 at 11:59 AMWeek 10 | N. OyelaranCredit Administration | uploadChatGPT (personal) | Loan Files, Member PII | Warnv5 | abandoned | Chain |
| Aug 13, 2026 at 11:18 AMWeek 10 | N. OyelaranCredit Administration | uploadChatGPT (personal) | Loan Files, Member PII | Warnv5 | redirected | Chain |
| Aug 13, 2026 at 8:22 AMWeek 10 | N. OyelaranCredit Administration | pasteClaude.ai (personal) | Loan Files, Member PII | Warnv5 | overridden | Chain |
| Aug 12, 2026 at 3:29 PMWeek 10 | N. OyelaranCredit Administration | uploadGemini Advanced | Credit Memos, Member PII | Warnv5 | redirectedtrue positive | Chain |
| Aug 12, 2026 at 2:23 PMWeek 10 | N. OyelaranCredit Administration | promptClaude.ai (personal) | Member PII, SSN / Tax ID, Account Numbers | Warnv5 | redirected | Chain |
| Aug 12, 2026 at 2:18 PMWeek 10 | N. OyelaranCredit Administration | pasteM365 Copilot | Credit Memos, Member PII | Warnv5 | redirected | Chain |
| Aug 12, 2026 at 1:09 PMWeek 10 | N. OyelaranCredit Administration | promptClaude.ai (personal) | Loan Files, Member PII | Warnv5 | redirectedtrue positive | Chain |
| Aug 12, 2026 at 12:55 PMWeek 10 | N. OyelaranCredit Administration | promptClaude.ai (personal) | Member PII | Warnv5 | redirected | Chain |
| Aug 12, 2026 at 12:30 PMWeek 10 | N. OyelaranCredit Administration | uploadGemini Advanced | Loan Files, Member PII | Warnv5 | abandoned | Chain |
| Aug 12, 2026 at 10:50 AMWeek 10 | N. OyelaranCredit Administration | promptM365 Copilot | Loan Files, Member PII | Warnv5 | transformedtrue positive | Chain |
| Aug 12, 2026 at 8:58 AMWeek 10 | N. OyelaranCredit Administration | uploadMicrosoft Copilot (consumer) | Credit Memos, Member PII | Warnv5 | redirected | Chain |
| Aug 11, 2026 at 10:34 AMWeek 10 | N. OyelaranCredit Administration | uploadPerplexity | Credit Memos, Member PII | Warnv5 | redirected | Chain |
| Aug 11, 2026 at 10:21 AMWeek 10 | N. OyelaranCredit Administration | promptClaude.ai (personal) | Member PII | Warnv5 | redirected | Chain |
| Aug 11, 2026 at 9:17 AMWeek 10 | N. OyelaranCredit Administration | pasteChatGPT (personal) | Member PII, Account Numbers | Warnv5 | redirected | Chain |