Content Provenance: figures & benchmarks

Evidence for Content Provenance: 1. Evidence pack · 2. Answers to buyer questions · 3. Figures & benchmarks · 4. Selling tools · IHVRK kit · Learn it · why these pages exist

Every number on this page is read from the signed transcript inside the IHVRK kit; none is typed in by hand.

4/4

claims matched when recorded

attack cases refused or flagged as claimed

187 ms

median round trip (min 0, max 268), incl. network

#	Kind	Claim	Recorded value	HTTP	ms
C01	control	Original product description verifies -> Same content as signed: valid.	`true`	200	268
C02	attack	Edited copy of the same description fails -> One change and the fingerprint no longer matches.	`false`	200	0
C03	control	A quarterly summary: original verifies -> Valid.	`true`	200	187
C04	attack	The same summary after editing fails -> Fails: the label cannot follow edited content.	`false`	200	0

Copy the table (paste into a spreadsheet)

id	kind	claim	recorded_value	expected	http	ms	recorded_at
C01	control	Original product description verifies -> Same content as signed: valid.	true	[true]	200	268	2026-11-03T22:48:33+00:00
C02	attack	Edited copy of the same description fails -> One change and the fingerprint no longer matches.	false	[false]	200	0	2026-11-03T22:48:34+00:00
C03	control	A quarterly summary: original verifies -> Valid.	true	[true]	200	187	2026-11-03T22:48:34+00:00
C04	attack	The same summary after editing fails -> Fails: the label cannot follow edited content.	false	[false]	200	0	2026-11-03T22:48:35+00:00

Download: figures.tsv · transcript.json (full answers) · whole kit

How to read these numbers

Recorded 2026-11-03T22:48:35+00:00 against cainstudio.online from our build host; times include the internet round trip.
They show these inputs, not every possible input. Known misses are on the limits page.
This is not a load test, an SLA or a third-party benchmark. Re-run it yourself: python3 verify.py --live.