frontpage.
newsnewestaskshowjobs

Open Source @Github

fp.

Open in hackernews

Show HN: Vertumnus – printable posters of farmers' market produce seasonality

https://vertumnus.fyi
23•perspectivezoom•2d ago
The origin of this project was me, as a casual farmers' market attendee, grossly misremembering the start date of early girl tomatoes. Ironically, I still haven't achieved that goal, because I couldn't find a suitable source with varietal level granularity online. I'm half dreading a "Why didn't you check X?" comment and discover there's some perfect local varietal data source, but that would really be the best case scenario.

The poster is customizable per crop, and the pictures reposition heuristically. There's only two regions, SF and NY, with very different source data for each. See https://vertumnus.fyi/about/sources for methodology.

A static poster is not the greatest form factor for a schedule with annual variation, and this whole project was a non serious side exercise. See https://vertumnus.fyi/about for more.

The project was coded in a single 731 prompt Claude Opus 5 session over 22 days within a 46 day period, from July 20th to September 2nd, 2026. I've published the entire transcript, searchable and organized by chapter, at https://vertumnus.fyi/about/transcript. A write up, with the stuff that Claude was good at and its repeated code quality shortcomings, is at https://vertumnus.fyi/about/ai.

Comments

recursive•2h ago
I don't understand what the y-axis on the graphs mean, and what the second color for each series represents.
c54•2h ago
There's no y axis labeled or marked, the visual is vertically spreading each curve out so it's not all one big color jumble. Not sure what the second color means exactly either.
martyvis•1h ago
Per the small text at the bottom of the poster I would say they are based on shipment volumes -so how much is available. The lighter colour probably indicates variation depending on how good the growing season is
perspectivezoom•36m ago
Yes, this is correct. Realistically, you only care "is it there", and "is it there and good", and those are the two levels. For SF, I'm using shipment volume as a proxy for ripeness, on the assumption that the best produce occurs when you're shipping the most of it. The shaded parts are when the annual history says that it's only good in some years but not others.

I decided against a legend because I thought that it was self evident. Maybe not... https://vertumnus.fyi/about/transcript?view=topic%3Aposter-f...

skyberrys•1h ago
I guess the second color is the margin of error or wiggle room on the prediction.
mariocesar•2h ago
Great work, and thanks for sharing the transcript! Just skimming through the chats, I've already learned a lot. Would be so awesome to have this for any region/city, but that is a data problem to solve.

Congrats again!

skyberrys•1h ago
It sounds like you need me to visit your market ( or my market... It only takes one super user per market and I assure you I am almost always there), film everything and then feed that into your website. I like the idea, but it's not complex for my fanatical farmers market mind. It only has two geographic regions and okay 1 is only hours driving from me, but I would be more likely to use it if it was my own region.

Also it has a picture of an avocado and no data about avocados.

And don't get me started on the market availability between the first hour and the last hour because if I keep losing all the caviar limes to the restaurant buying the whole batch I'm going to start camping at 6am.

Some things I hunt for: Concord grapes, pomegranate, caviar limes, raspberries, mara des bois strawberries, amaranth and all types of kale.

ETA: the early girl tomatoes I recall as end of May or June, probably mid June for you. Too late now I think. Those little orange oblong ones are good though and my favorite breed of tomato is Japanese tomatoes. They have almost 100 percent availability at my market too because they have a specialist grower who uses green houses.

perspectivezoom•29m ago
> Also it has a picture of an avocado and no data about avocados.

If you're referring to the middle left picture in SF, that's actually a plum from Vacaville, CA: https://pomological.art/watercolors/POM00005135.

There's some code to prefer the produce you select, but there really aren't that many unique fruits in the collection; just lots of varietals of the same fruit.

https://pomological.art/watercolors is pretty neat. You can see that there's 3788 apple drawings, far more than any other, and it quickly dies down to 959 peaches and 445 pears. For any given region, there's only like ~7 unique fruits to draw from.

rc_kas•37m ago
oh nice work. very cool project
perspectivezoom•34m ago
Oh, neat. I submitted this a few days ago, and it got no traction back then. Thanks mods for giving it a second chance.

I probably should mention that I'm looking for new opportunities. My LinkedIn is at https://www.linkedin.com/in/perspectivezoom and you can reach out there or at hn@perspectivezoom.com.

Show HN: Vertumnus – printable posters of farmers' market produce seasonality

https://vertumnus.fyi
23•perspectivezoom•2d ago•10 comments

Show HN: A browser IDE for m68000, Z80 assembly (and more), with graphics

https://asm-editor.specy.app/
9•specy•2d ago•1 comments

Show HN: MultiMatte, a Promptable Image Background Removal Model

https://usefeyn.com/blog/multimatte/
35•snyy•8h ago•7 comments

Show HN: DOOM in the kernel, or fibers in eBPF

https://ayles.github.io/doom-in-kernel/
33•ayles•1d ago•10 comments

Show HN: What if the speed of light was 5 km/h?

https://rivendell.dmitrybrant.com/relativity/
564•dmitrybrant•22h ago•255 comments

Show HN: Nightshift – Your code gets better while you sleep

https://github.com/openslop/nightshift
7•tcbrah•6h ago•12 comments

Show HN: Filament – Fast data movement engine in Go

https://github.com/galaxy-io/filament
23•ikswolzok•2d ago•4 comments

Show HN: An interactive 3D Pattern Language made with Astra

https://livedin.co.uk/design-patterns/
2•Tomasmillar•2h ago•1 comments

Show HN: Compute polynomials twice as fast

https://thomasahle.com/fast-polynomials/
128•thomasahle•1d ago•38 comments

Show HN: Loudkit, Local TTS with Native Swift, Go, Rust and TypeScript Ports

https://github.com/loudreader/loudkit
2•mowmiatlas•4h ago•0 comments

Show HN: Dbmask – Discover, mask, and verify sensitive data in SQL databases

https://github.com/sealandseacat/dbmask
5•SiyuanFeng•9h ago•0 comments

Show HN: Open-source simulation testing infra for voice agents

https://github.com/egma-ai/egma
12•Nischalj10•7h ago•1 comments

Show HN: We served 5k dynamic websites from a 2-vCPU, 4 GB VPS

https://github.com/Kooboo/Kooboo/blob/main/Docs/5000-sites-benchmark.md
7•zguoqi•9h ago•1 comments

Show HN: hcode One-Person Engineering - SDLC Approach

http://hcode.works
2•phwbikm•5h ago•4 comments

Show HN: Runyte – a modal editor with integrated terminals and a file manager

https://runyte.com
2•boredCoconut•5h ago•0 comments

Show HN: Rocky Surf – Open-source control plane for coding-agent cloud VMs

https://www.rockysurf.com/
3•jbdamask•5h ago•0 comments

Show HN: Fashionguessr – A Daily Fashion Trivia Game

https://www.fashionguessr.com/
3•WhosTiki•5h ago•0 comments

Show HN: Calmscroll – a reader that shows the current paragraph in the library

https://calmscroll.com
5•amadeuspagel•10h ago•0 comments

Show HN: News observability site tracks coverage by party lean/distraction/etc.

https://pressaudit.org/
3•SLHamlet•5h ago•0 comments

Show HN: Pixel Agents – A pixel-art mission control for your Claude Code agents

https://github.com/mateovalle/pixel-agents
3•mateovalle•6h ago•0 comments

Show HN: Raiders at the Gate – tower defense web game

https://games.chrisbeach.co.uk/raiders-at-the-gate/
2•cbeach•6h ago•3 comments

Show HN: Model pricing board for DeepSeek Harness: 7k models, cheapest route

https://github.com/vitas/dsh-model-pricing
3•vitass•9h ago•0 comments

Show HN: Math Gambling

https://kuber.studio/math-gambling/
7•kuberwastaken•9h ago•0 comments

Show HN: Self-hosted company OS, Claude Code and Codex agents in departments

https://github.com/OtoDock/oto-dock
46•dimitrismrtzs•1d ago•14 comments

Show HN: MaruCheck – Independent QA for AI-generated code

https://github.com/Kidus-M/MaruCheck
3•KidusMT•9h ago•0 comments

Show HN: Ridge - Connect coding agents to local, SSH, Docker, and S3 resources

https://github.com/vasinov/ridge-core
4•vasinov•6h ago•0 comments

Show HN: I created a translation service prompt

https://github.com/AlkalineGarrett/language-root-translator
2•alkaline9•7h ago•1 comments

Show HN: Globalping CLI – Run network commands from anywhere in the world

https://globalping.io/cli
3•jimaek•7h ago•0 comments

Show HN: AppLocker – Open-source macOS app blocker using Apple Endpoint Security

https://github.com/TranPhuong319/AppLocker
3•tranphuong319•7h ago•0 comments

Show HN: Faint Light, 10-100x faster plate-solving/astrometry in Rust

https://github.com/fschuindt/faint_light
4•fschuindt•7h ago•0 comments