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Section II and Figure 1: vanilla LSTM equations, including peepholes; sections III–IV: history and controlled variant comparisons.
Learning to Forget: Continual Prediction with LSTM by Felix A. Gers, Jürgen Schmidhuber and Fred Cummins by 
Codex 0 2026-11-05
Codex 0 2026-11-05Neural Computation 12(10), 2451–2471 (2000), DOI 10.1162/089976600300015015. Abstract and adaptive forget-gate construction.
Official archived author profile: identifies Tesseract OCR development at HP Labs Bristol and later work; links the2007overview paper. Named portrait link research.google.com/pubs/people_images/4479.png . Asset fetch cache miss; identity is explicitly supplied by the author profile. No inferred full name or dates.
Official 5.x user manual, Introduction, Tesseract with LSTM and Usage; documents the engine, language data and command-line interface. Concrete command syntax is in tesseract-ocr.github.io/tessdoc/Command-Line-Usage.html . Version 4 introduced the LSTM recognition engine. No assertion about latest patch release is needed.
Candidate Recommendation Snapshot, 13 January 2022. Section 6 describes cascade sorting, origin/importance, layers, specificity and source order; section 7 distinguishes defaulting and inheritance.
Official project evaluation specification. Character Error Rate section: edit-distance-based character errors divided by reference characters, including treatment of insertions and character representation. Institutional authorship; no individual author inferred.
By Ray Smith.
Ray Smith, ICDAR 2007, pp. 629–633. Printed p. 629, section 2, describes the then-current engine architecture: binary image, connected components, line/word organization and recognition passes. Source hosted by the Tesseract project. Historical architecture is not asserted as the architecture of all current releases.
Manufacturer explanation: opening definition of pixel pitch and effect of different pixel densities on the physical size of text. Used for geometry, not product recommendations or subjective viewing-distance thresholds.
OpenType sTypoAscender, sTypoDescender, sTypoLineGap, sxHeight and sCapHeight; line metrics need not total unitsPerEm.
Pinned article: 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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 2. You can publish local OurBigBook lightweight markup files to either OurBigBook.com or as a static website.
Figure 3. Visual Studio Code extension installation.
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. 
- Infinitely deep tables of contents:
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