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Welcome to my home page!
Caroline Ulbricht by Ciro Santilli 37 Updated +Created 2025-06-02
Caroline Ulbricht is the wife of Ross Ulbricht, founder of the Silk Road website which allowed users to buy and sell illegal drugs online. They reportedly met while he was in jail, but it is unclear how they met TODO source.
Caroline's maiden name is very likely "Caroline Debrion" as per stalking of her online accounts below. Her middle name might start with an L giving "Caroline L. Debrion", but this is less certain.
Likely accounts:
Ciro Santilli first found her name mentioned without source at: en.m.wikipedia.org/wiki/File:Ross_Ulbricht_Released_from_Prison_(cropped).jpg. Her first name "Caroline" was given by Ross at: x.com/RealRossU/status/1888299042146578925 on February 8th 2025.
As of 2025 most Google hits currently give "Rebecca Caroline Ulbricht Ferreira" however, an unrelated Brazilian molecular biology researcher from UNICAMP. So a good Google search is "caroline ulbricht" -Rebecca to remove the overlap. This leads to www.linkedin.com/in/carolineld/ hits.
x.com/pete_rizzo_/status/1882489065167356024 has a photo of them hugging at the jail parking lot just after he was released in 2025.
Figure 1.
Ross Ulbricht with his wife soon after he was released from jail in 2025 in front of a mural
. Source. He still seems to be in jail clothes?
Figure 2.
Ross Ulbricht with his wife soon after he was released from jail in 2025 on the road
. Source.
Figure 3.
Ross Ulbricht's wife LinkedIn profile picture according to facecheck.id
.
Figure 4.
Ross Ulbricht's wife's wife credly.com profile picture according to facecheck.id
.
Figure 5.
Ross Ulbricht's wife's wife meetup.com profile picture according to facecheck.id
.
Cool data embedded in the Bitcoin blockchain / bitfossil.org by Ciro Santilli 37 Updated +Created
bitfossil.org/ is an indexer website created by EMBII for the AtomSea & EMBII inscription format.
There was also a semi-mirror at bitfossil.com/, though they were not always in perfect sync for whatever reason.
The website shut down by EMBII on January 2025 for an undisclosed reason. He mentioned however that after the shutdown he started to like the idea of keeping it down forever due the ideology of not having official centralized services linked to his protocol.[ref][ref][ref]
Each page has an "abuse report" button to unindex presumably.
TODO website source code? Local indexer/extraction script?
Cool data embedded in the Bitcoin blockchain / Halving messages by Ciro Santilli 37 Updated +Created
Each Bitcoin halving event prompts a few commemorative messages, much like a New Year's even event in the real world.
3rd (2020):
Bitcoin halving by Ciro Santilli 37 Updated +Created
cointelegraph.com/learn/bitcoin-halving-how-does-the-halving-cycle-work-and-why-does-it-matter Happens every 210,000 blocks, aiming approximately at 4 year intervals. The historical dates were:
  • 50 BTC initially
  • 1st: 2012: down to 25 BTC
  • 2nd: 2016: down to 12.5 BTC
  • 3rd: 2020: down to 6.25 BTC
Each of these events prompts some commemorative inscriptions: Section "Halving messages".
FrontierMath by Ciro Santilli 37 Updated +Created
arstechnica.com/ai/2024/11/new-secret-math-benchmark-stumps-ai-models-and-phds-alike/ mentions what the official website is unable to clearly state out:
The design of FrontierMath differs from many existing AI benchmarks because the problem set remains private and unpublished to prevent data contamination
So yeah, fuck off.
The expected answer output for all problems is just one single, possibly ridiculously large, integer, which is kind of a cool approach. Similar to Project Euler in that aspect.
The most interesting aspect of this benchmark is the difficulty. Mathematical olympiad coach Evan Chen comments:[ref]
Problems in [the International Mathematical Olympiad] typically require creative insight while avoiding complex implementation and specialized knowledge [but for FrontierMath] they keep the first requirement, but outright invert the second and third requirement
facecheck.id by Ciro Santilli 37 Updated +Created
Became paid in 2024: www.reddit.com/r/OSINT/comments/1awkxbi/facecheckid_will_no_longer_be_free/ You can search, it and lists which social media websites it found the hits on, but does not give the full URLs.
Had one possible non-trivial LinkedIn hit for Ross Ulbricht's wife in early 2025, before her identity was publicly known, so they may have something actually going on there
Closed source benchmark by Ciro Santilli 37 Updated +Created
Open source benchmark by Ciro Santilli 37 Updated +Created
AI Math benchmark by Ciro Santilli 37 Updated +Created
Percolation theory by Ciro Santilli 37 Updated +Created
This field is likely both ugly and useless.
OK, in 2D they've achieved some cute rational number results. But still.
Open and closed source benchmarks by Ciro Santilli 37 Updated +Created
Percolation by Ciro Santilli 37 Updated +Created
meetup.com by Ciro Santilli 37 Updated +Created
2022 Fields Medal winner by Ciro Santilli 37 Updated +Created
2022 Fields Medal by Ciro Santilli 37 Updated +Created
Statistical mechanics model by Ciro Santilli 37 Updated +Created

Pinned article: ourbigbook/introduction-to-the-ourbigbook-project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 5. . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact