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CATCH #158 DETECTED JUL 10, 2026 18:00 UTC
THE CATCHscore 5/10
EXHIBIT 158
Jul 10, 2026 18:00 UTC docs https://platform.claude.com/docs/en/release-notes/api
Anthropic updated its Access Transparency documentation for CMEK content preservation, adding details on event payloads, filter examples, and new preservation reason codes.

READY TO POST:

anthropic just updated their access transparency docs for cmek content preservation. looks like more details on event payloads and reasons.

if you're using anthropic's cmek, check out their latest docs update on content preservation events. new reason codes like policy_violation_investigation.

EVIDENCE — the receipts
Anthropic API changelog changed: https://platform.claude.com/docs/en/release-notes/api
14 added lines

--- 
+++ 
@@ -118,2 +118,15 @@
 
+July 10, 2026
+We've expanded the
+Access Transparency
+documentation of
+cmek_preserve
+events with a filter example, an example event payload, and two preservation reason codes (
+policy_violation_investigation
+,
+csae_report
+). The documentation now also clarifies that a preservation event is written whether the preservation was initiated by a human reviewer or an automated safety pipeline. See
+CMEK content preservation
+.
+
 July 8, 2026
@@ -1590,2 +1603,3 @@
 
+July 10, 2026
 July 8, 2026

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