# Latest **URL:** https://si-tesseract.discourse.group/latest.md [Latest](https://si-tesseract.discourse.group/latest.md) · [Categories](https://si-tesseract.discourse.group/categories.md) · [Tags](https://si-tesseract.discourse.group/tags.md) --- ## [Hackathon survey](https://si-tesseract.discourse.group/t/hackathon-survey/169)
**Author:** [@samali](https://si-tesseract.discourse.group/u/samali)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 11:12am UTC](https://si-tesseract.discourse.group/t/hackathon-survey/169 "2026-09-15T11:12:07Z")
Thanks everyone for an awesome hackathon! I have a request while the judging process is underway: please fill out our participant survey so that we can continue to improve the Tesseract community (and ensure the next hac… --- ## [Inside Ferrumizer: Physics & Inference](https://si-tesseract.discourse.group/t/inside-ferrumizer-physics-inference/168)
**Author:** [@riot](https://si-tesseract.discourse.group/u/riot)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 5:22am UTC](https://si-tesseract.discourse.group/t/inside-ferrumizer-physics-inference/168 "2026-09-15T05:22:05Z")
It’s been a couple of weeks since I shipped Ferrumizer. Building a differentiable physics engine that simulates industrial steel hardening forced me to bridge my degree in Metallurgical Engineering with modern software… --- ## [TessScope: Closed-loop microscopy with exact gradients across JAX, SciPy and PyTorch - Tesseract Hackathon 2026](https://si-tesseract.discourse.group/t/tessscope-closed-loop-microscopy-with-exact-gradients-across-jax-scipy-and-pytorch-tesseract-hackathon-2026/165)
**Author:** [@raj](https://si-tesseract.discourse.group/u/raj)\ **Replies:** 1\ **Last updated:** [September 6, 2026, 7:52pm UTC](https://si-tesseract.discourse.group/t/tessscope-closed-loop-microscopy-with-exact-gradients-across-jax-scipy-and-pytorch-tesseract-hackathon-2026/165 "2026-09-06T19:52:21Z")
Can one exact gradient teach a microscope to refocus itself and improve the biological analysis at the end of the pipeline? Hii guys… I’m Raj Patil, For the Tesseract Hackathon 2026, Track 05: Differentiable graphics a… --- ## [Thanks for a fantastic 2026 hackathon!](https://si-tesseract.discourse.group/t/thanks-for-a-fantastic-2026-hackathon/162)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [September 1, 2026, 1:19pm UTC](https://si-tesseract.discourse.group/t/thanks-for-a-fantastic-2026-hackathon/162 "2026-09-01T13:19:27Z")
It’s a wrap! :raising\_hands: The 2026 Tesseract Hackathon is now officially closed for submissions. Thanks to all participants, and we can already tell there are some fantastic contributions that we can’t wait to dig in… --- ## [Normax: Backpropagating through structural engineering standards](https://si-tesseract.discourse.group/t/normax-backpropagating-through-structural-engineering-standards/161)
**Author:** [@arpastrana](https://si-tesseract.discourse.group/u/arpastrana)\ **Replies:** 0\ **Last updated:** [September 1, 2026, 1:17am UTC](https://si-tesseract.discourse.group/t/normax-backpropagating-through-structural-engineering-standards/161 "2026-09-01T01:17:59Z")
What if we could backpropagate through the law? :oncoming\_police\_car: This is the research question behind #normax, my entry to the 2026 Tesseract Hackathon by Pasteur Labs. Engineering lightweight structures remains l… --- ## [Coldplate: one jax.grad across a two-way physics loop, four derivative stacks and three languages](https://si-tesseract.discourse.group/t/coldplate-one-jax-grad-across-a-two-way-physics-loop-four-derivative-stacks-and-three-languages/159)
**Author:** [@tauilabdelilah](https://si-tesseract.discourse.group/u/tauilabdelilah)\ **Replies:** 0\ **Last updated:** [August 31, 2026, 8:11am UTC](https://si-tesseract.discourse.group/t/coldplate-one-jax-grad-across-a-two-way-physics-loop-four-derivative-stacks-and-three-languages/159 "2026-08-31T08:11:04Z")
Track 02, multi-physics and coupled systems. Most differentiable-simulation demos are chains: one component feeds the next, one sweep of the chain rule, done. Coldplate is a loop, and the loop is the part that gets drop… --- ## [Gradients through the furnace: Bayesian calibration of a gas carburizing pipeline from three Tesseracts](https://si-tesseract.discourse.group/t/gradients-through-the-furnace-bayesian-calibration-of-a-gas-carburizing-pipeline-from-three-tesseracts/157)
**Author:** [@riot](https://si-tesseract.discourse.group/u/riot)\ **Replies:** 0\ **Last updated:** [August 28, 2026, 10:20pm UTC](https://si-tesseract.discourse.group/t/gradients-through-the-furnace-bayesian-calibration-of-a-gas-carburizing-pipeline-from-three-tesseracts/157 "2026-08-28T22:20:48Z")
Gas carburizing of steel gears is a case where the whole process is differentiable in principle (furnace schedule, heat transfer, carbon diffusion, quench, phase transformation, hardness), and in practice the pieces live… --- ## [Reading the caprock from orbit — three Tesseracts (Julia + JAX + C++) into one \`jax.grad\`](https://si-tesseract.discourse.group/t/reading-the-caprock-from-orbit-three-tesseracts-julia-jax-c-into-one-jax-grad/155)
**Author:** [@saademad](https://si-tesseract.discourse.group/u/saademad)\ **Replies:** 1\ **Last updated:** [August 28, 2026, 2:53pm UTC](https://si-tesseract.discourse.group/t/reading-the-caprock-from-orbit-three-tesseracts-julia-jax-c-into-one-jax-grad/155 "2026-08-28T14:53:28Z")
Track 02, multi-physics and coupled systems. At the In Salah CO2 storage site in Algeria, injection was suspended in June 2011 after about 3.8 Mt, because monitoring suggested pressure had reached the base of the caproc… --- ## [Tesseract Core v1.12.0 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-12-0-released/156)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [August 28, 2026, 2:41pm UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-12-0-released/156 "2026-08-28T14:41:28Z")
Release v1.12.0 Action required python-pip provider renamed to uv-pip, python\_version moved under the provider The build has always run under uv, so the python-pip requirements provider was renamed to uv-pip, and python\_… --- ## [2026 Hackathon: helpful info for the final week!](https://si-tesseract.discourse.group/t/2026-hackathon-helpful-info-for-the-final-week/154)
**Author:** [@samali](https://si-tesseract.discourse.group/u/samali)\ **Replies:** 0\ **Last updated:** [August 25, 2026, 10:45am UTC](https://si-tesseract.discourse.group/t/2026-hackathon-helpful-info-for-the-final-week/154 "2026-08-25T10:45:35Z")
The deadline for submitting your hackathon project is August 31st at 11:59PM (Anywhere on Earth). Whether you’re still actively building or just polishing up your submission, here’s some information to help you reach the… --- ## [Hackathon office hour vol. III on Aug 20](https://si-tesseract.discourse.group/t/hackathon-office-hour-vol-iii-on-aug-20/153)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [August 17, 2026, 1:16pm UTC](https://si-tesseract.discourse.group/t/hackathon-office-hour-vol-iii-on-aug-20/153 "2026-08-17T13:16:54Z")
Dear Tessehackers, The third iteration of our Tesseract Hackathon Office Hour (where we provide help, feedback, advice, encouraging words, …) is taking place on Aug 20 @ 6pm GMT+2. Meeting link and add’l info: Tesserac… --- ## [The next hackathon office hour is on August 13th!](https://si-tesseract.discourse.group/t/the-next-hackathon-office-hour-is-on-august-13th/152)
**Author:** [@samali](https://si-tesseract.discourse.group/u/samali)\ **Replies:** 0\ **Last updated:** [August 10, 2026, 1:36pm UTC](https://si-tesseract.discourse.group/t/the-next-hackathon-office-hour-is-on-august-13th/152 "2026-08-10T13:36:06Z")
Hey, Tesseract hackers! Drop by our next office hour on Thursday, August 13, at 6:00PM (GMT+2) to ask technical questions, get feedback on your project, and meet some of the Tesseract community. Feel free to drop in usi… --- ## [Hackathon teammate](https://si-tesseract.discourse.group/t/hackathon-teammate/151)
**Author:** [@abhi0119ss](https://si-tesseract.discourse.group/u/abhi0119ss)\ **Replies:** 0\ **Last updated:** [August 6, 2026, 7:53pm UTC](https://si-tesseract.discourse.group/t/hackathon-teammate/151 "2026-08-06T19:53:27Z")
Hello, Fellow developers, I am a computational designer looking for a hackathon teammate for developing the next generation simulation to solve problems in structural engineering, aerospace or mechanical engineering fo… --- ## [Announcing the week 1 hackathon office hour](https://si-tesseract.discourse.group/t/announcing-the-week-1-hackathon-office-hour/150)
**Author:** [@samali](https://si-tesseract.discourse.group/u/samali)\ **Replies:** 0\ **Last updated:** [August 3, 2026, 1:15pm UTC](https://si-tesseract.discourse.group/t/announcing-the-week-1-hackathon-office-hour/150 "2026-08-03T13:15:41Z")
We’ll be hosting our first hackathon office hour this Friday, August 7th, at 5:30PM (GMT+2). Joining the live office hour is completely optional – drop by if you have questions and get help from the Tesseract team while… --- ## [The 2026 Tesseract Hackathon is live now through August 31st!](https://si-tesseract.discourse.group/t/the-2026-tesseract-hackathon-is-live-now-through-august-31st/149)
**Author:** [@samali](https://si-tesseract.discourse.group/u/samali)\ **Replies:** 0\ **Last updated:** [August 3, 2026, 1:15pm UTC](https://si-tesseract.discourse.group/t/the-2026-tesseract-hackathon-is-live-now-through-august-31st/149 "2026-08-03T13:15:31Z")
We’re back with another virtual hackathon, this time featuring our biggest prize pool yet. Compete across five tracks for $20,000 in prizes, either as a solo builder or in a team of up to 4 people. To learn more about th… --- ## [Tesseract Core v1.11.0 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-11-0-released/147)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [July 23, 2026, 11:20am UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-11-0-released/147 "2026-07-23T11:20:56Z")
Release v1.11.0 Highlights Optional lz4 compression for array payloads Arrays serialized via the json+base64 and json+binref encodings can now be lz4-compressed, reducing payload sizes for large arrays. Compression is op… --- ## [Cookiecutter-tesseract, a project template for multi-Tesseract pipelines 🍪](https://si-tesseract.discourse.group/t/cookiecutter-tesseract-a-project-template-for-multi-tesseract-pipelines/146)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [July 22, 2026, 10:23pm UTC](https://si-tesseract.discourse.group/t/cookiecutter-tesseract-a-project-template-for-multi-tesseract-pipelines/146 "2026-07-22T22:23:42Z")
cookiecutter-tesseract is a new cookiecutter template for building applications out of more than one Tesseract. It scaffolds a monorepo that combines several Tesseracts into a pipeline, with shared code, tests, and CI wi… --- ## [Announcing Tesseract-Torch, a native PyTorch integration for Tesseracts](https://si-tesseract.discourse.group/t/announcing-tesseract-torch-a-native-pytorch-integration-for-tesseracts/143)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [July 1, 2026, 8:32pm UTC](https://si-tesseract.discourse.group/t/announcing-tesseract-torch-a-native-pytorch-integration-for-tesseracts/143 "2026-07-01T20:32:41Z")
Hi all, We’ve just released Tesseract-Torch, a lightweight extension to Tesseract Core that wraps any Tesseract as a differentiable PyTorch operation. If you’ve been using Tesseract-JAX, this is the PyTorch counterpart,… --- ## [Tesseract-JAX v0.4.0 released](https://si-tesseract.discourse.group/t/tesseract-jax-v0-4-0-released/142)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [June 25, 2026, 6:15pm UTC](https://si-tesseract.discourse.group/t/tesseract-jax-v0-4-0-released/142 "2026-06-25T18:15:20Z")
Release v0.4.0 Action required Python 3.10 is no longer supported; JAX ≥ 0.7.0 required (#207) The minimum supported Python version is now 3.11, and the minimum JAX version is now 0.7.0. Python 3.10 is nearly end-of-life… --- ## [Sampling the Universe: HMC through JAX and Fortran with Enzyme-differentiated Tesseracts](https://si-tesseract.discourse.group/t/sampling-the-universe-hmc-through-jax-and-fortran-with-enzyme-differentiated-tesseracts/132)
**Author:** [@EpicentreOZ](https://si-tesseract.discourse.group/u/EpicentreOZ)\ **Replies:** 5\ **Last updated:** [June 23, 2026, 10:46am UTC](https://si-tesseract.discourse.group/t/sampling-the-universe-hmc-through-jax-and-fortran-with-enzyme-differentiated-tesseracts/132 "2026-06-23T10:46:46Z")
Hi everyone, following up on my previous Tesseract + Disco-DJ optimization example, I put together a new demo showing field-level Bayesian inference through a coupled JAX + Fortran simulation pipeline using Tesseract an… --- ## [Tesseract Core v1.10.0 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-10-0-released/140)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [June 17, 2026, 5:01pm UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-10-0-released/140 "2026-06-17T17:01:37Z")
Release v1.10.0 Action required Regenerate JAX Tesseracts to pick up future recipe updates (optional) Existing JAX Tesseracts keep working unchanged, so no action is strictly required. However, the gradient-endpoint logi… --- ## [Injecting True Physics into Kirigami Generative Design](https://si-tesseract.discourse.group/t/injecting-true-physics-into-kirigami-generative-design/139)
**Author:** [@jkloers](https://si-tesseract.discourse.group/u/jkloers)\ **Replies:** 2\ **Last updated:** [June 16, 2026, 8:43pm UTC](https://si-tesseract.discourse.group/t/injecting-true-physics-into-kirigami-generative-design/139 "2026-06-16T20:43:27Z")
Hi everyone, I’ve been building an end-to-end differentiable pipeline that designs kirigami — a variant of origami with cuts instead of folds — by gradient descent in JAX. It works very well, but it had a blind spot. E… --- ## [Inverse Burgers with Tesseract: Solver Adjoints, Swappable PINNs, and Amortized Posteriors](https://si-tesseract.discourse.group/t/inverse-burgers-with-tesseract-solver-adjoints-swappable-pinns-and-amortized-posteriors/136)
**Author:** [@julian8897](https://si-tesseract.discourse.group/u/julian8897)\ **Replies:** 2\ **Last updated:** [June 16, 2026, 6:29pm UTC](https://si-tesseract.discourse.group/t/inverse-burgers-with-tesseract-solver-adjoints-swappable-pinns-and-amortized-posteriors/136 "2026-06-16T18:29:58Z")
This is a follow-up to my Tesseract hackathon honourable mention, tesseract-pinn-inverse-burgers. The original project demonstrated swapping one PINN between JAX and PyTorch. I’ve since rebuilt it around a broader use of… --- ## [Optimizing the Universe with Tesseract + Disco-DJ](https://si-tesseract.discourse.group/t/optimizing-the-universe-with-tesseract-disco-dj/125)
**Author:** [@EpicentreOZ](https://si-tesseract.discourse.group/u/EpicentreOZ)\ **Replies:** 3\ **Last updated:** [May 31, 2026, 7:38pm UTC](https://si-tesseract.discourse.group/t/optimizing-the-universe-with-tesseract-disco-dj/125 "2026-05-31T19:38:17Z")
I put together a Tesseract + Disco-DJ (GitHub - cosmo-sims/DISCO-DJ: DISCO-DJ: DIfferentiable Simulations for COsmology - Done with Jax · GitHub) demo showing how to solve a field-level inverse problem in cosmology with … --- ## [Tesseract Core v1.9.0 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-9-0-released/126)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [May 27, 2026, 6:47pm UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-9-0-released/126 "2026-05-27T18:47:47Z")
Release v1.9.0 Highlights Environment variables in tesseract\_config.yaml You can now set environment variables directly in tesseract\_config.yaml via a new env: section, without resorting to custom\_build\_steps: env: XLA\_… --- ## [Tesseract Core v1.8.2 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-8-2-released/124)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [May 7, 2026, 2:15pm UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-8-2-released/124 "2026-05-07T14:15:25Z")
Release v1.8.2 This is a patch release that fixes schema parsing of some downstream projects involving InputPath and OutputPath objects. What’s Changed Bug Fixes Mark InputPath/OutputPath fields with format: “path” in … --- ## [Tesseract Core v1.8.1 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-8-1-released/123)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [May 6, 2026, 10:08am UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-8-1-released/123 "2026-05-06T10:08:53Z")
Release v1.8.1 This is a bug fix release addressing two issues related to file path handling. OutputPath with chdir: Fixed a bug where using chdir in combination with OutputPath would fail (#578). If you were working a… --- ## [Tesseract Core v1.8.0 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-8-0-released/122)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [April 22, 2026, 6:14pm UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-8-0-released/122 "2026-04-22T18:14:28Z")
Release v1.8.0 Highlights Native Windows support Tesseract Core now runs natively on Windows, including Docker interaction for building and running Tesseracts. WSL is no longer required, but can still be useful as a conv… --- ## [Tesseract Core v1.7.0 released](https://si-tesseract.discourse.group/t/tesseract-core-v1-7-0-released/121)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [April 17, 2026, 11:48am UTC](https://si-tesseract.discourse.group/t/tesseract-core-v1-7-0-released/121 "2026-04-17T11:48:49Z")
Release v1.7.0 Highlights Automatic Docker network creation — You no longer need to manually run docker network create before using --network. If the network doesn’t exist, Tesseract creates it for you: # Before: requir… --- ## [Tesseract-JAX v0.3.0 released](https://si-tesseract.discourse.group/t/tesseract-jax-v0-3-0-released/120)
**Author:** [@dionhaefner](https://si-tesseract.discourse.group/u/dionhaefner)\ **Replies:** 0\ **Last updated:** [April 3, 2026, 7:09pm UTC](https://si-tesseract.discourse.group/t/tesseract-jax-v0-3-0-released/120 "2026-04-03T19:09:08Z")
Release v0.3.0 Breaking: vmap over apply\_tesseract now requires an explicit vmap\_method argument If you use jax.vmap, jax.jacfwd, or jax.jacrev with apply\_tesseract, calls will now raise NotImplementedError unless you sp… [Next page](https://si-tesseract.discourse.group/latest.md?page=1)