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vaxerski
checkpoint
C++2025–2025
vaxerski / checkpoint

checkpoint

Checkpoint is a tiny reverse proxy that attempts to block AI by serving a cryptographic challenge.

Security & PrivacyAI & Machine LearningNetworking
Explore on GitHubRead Hacker News discussions
2Distinct people
4Mentions
0Explicit recommenders
134GitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Checkpoint is a tiny reverse proxy that attempts to block AI by serving a cryptographic challenge.

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:56:07 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by day4 dated mentions

Observed mentions: 2025-05-02 08:19:51 UTC to 2025-05-31 11:01:36 UTC.

01232025-05-02 00:00:00 UTC to 2025-05-03 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 commentsMay 22025-05-03 00:00:00 UTC to 2025-05-04 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-04 00:00:00 UTC to 2025-05-05 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-05 00:00:00 UTC to 2025-05-06 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-06 00:00:00 UTC to 2025-05-07 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-07 00:00:00 UTC to 2025-05-08 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-08 00:00:00 UTC to 2025-05-09 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-09 00:00:00 UTC to 2025-05-10 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-10 00:00:00 UTC to 2025-05-11 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-11 00:00:00 UTC to 2025-05-12 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-12 00:00:00 UTC to 2025-05-13 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-13 00:00:00 UTC to 2025-05-14 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-14 00:00:00 UTC to 2025-05-15 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-15 00:00:00 UTC to 2025-05-16 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-16 00:00:00 UTC to 2025-05-17 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 commentsMay 162025-05-17 00:00:00 UTC to 2025-05-18 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-18 00:00:00 UTC to 2025-05-19 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-19 00:00:00 UTC to 2025-05-20 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-20 00:00:00 UTC to 2025-05-21 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-21 00:00:00 UTC to 2025-05-22 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-22 00:00:00 UTC to 2025-05-23 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-23 00:00:00 UTC to 2025-05-24 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-24 00:00:00 UTC to 2025-05-25 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-25 00:00:00 UTC to 2025-05-26 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-26 00:00:00 UTC to 2025-05-27 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-27 00:00:00 UTC to 2025-05-28 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-28 00:00:00 UTC to 2025-05-29 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-29 00:00:00 UTC to 2025-05-30 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-30 00:00:00 UTC to 2025-05-31 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-05-31 00:00:00 UTC to 2025-06-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 commentsMay 31

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
May 22025-05-02 00:00:00 UTC2025-05-03 00:00:00 UTC303
May 32025-05-03 00:00:00 UTC2025-05-04 00:00:00 UTC000
May 42025-05-04 00:00:00 UTC2025-05-05 00:00:00 UTC000
May 52025-05-05 00:00:00 UTC2025-05-06 00:00:00 UTC000
May 62025-05-06 00:00:00 UTC2025-05-07 00:00:00 UTC000
May 72025-05-07 00:00:00 UTC2025-05-08 00:00:00 UTC000
May 82025-05-08 00:00:00 UTC2025-05-09 00:00:00 UTC000
May 92025-05-09 00:00:00 UTC2025-05-10 00:00:00 UTC000
May 102025-05-10 00:00:00 UTC2025-05-11 00:00:00 UTC000
May 112025-05-11 00:00:00 UTC2025-05-12 00:00:00 UTC000
May 122025-05-12 00:00:00 UTC2025-05-13 00:00:00 UTC000
May 132025-05-13 00:00:00 UTC2025-05-14 00:00:00 UTC000
May 142025-05-14 00:00:00 UTC2025-05-15 00:00:00 UTC000
May 152025-05-15 00:00:00 UTC2025-05-16 00:00:00 UTC000
May 162025-05-16 00:00:00 UTC2025-05-17 00:00:00 UTC000
May 172025-05-17 00:00:00 UTC2025-05-18 00:00:00 UTC000
May 182025-05-18 00:00:00 UTC2025-05-19 00:00:00 UTC000
May 192025-05-19 00:00:00 UTC2025-05-20 00:00:00 UTC000
May 202025-05-20 00:00:00 UTC2025-05-21 00:00:00 UTC000
May 212025-05-21 00:00:00 UTC2025-05-22 00:00:00 UTC000
May 222025-05-22 00:00:00 UTC2025-05-23 00:00:00 UTC000
May 232025-05-23 00:00:00 UTC2025-05-24 00:00:00 UTC000
May 242025-05-24 00:00:00 UTC2025-05-25 00:00:00 UTC000
May 252025-05-25 00:00:00 UTC2025-05-26 00:00:00 UTC000
May 262025-05-26 00:00:00 UTC2025-05-27 00:00:00 UTC000
May 272025-05-27 00:00:00 UTC2025-05-28 00:00:00 UTC000
May 282025-05-28 00:00:00 UTC2025-05-29 00:00:00 UTC000
May 292025-05-29 00:00:00 UTC2025-05-30 00:00:00 UTC000
May 302025-05-30 00:00:00 UTC2025-05-31 00:00:00 UTC000
May 312025-05-31 00:00:00 UTC2025-06-01 00:00:00 UTC101

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