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User profile Profile masterdesky
Hi, I'm a physicist, who's doing AI/data science and astrophysics mostly. Oh, and I also like Minecraft. (What a nerd, booo.)


We have found the SEED of Minecraft's title-screen background PANORAMA!
Everyone should be familiar with this world. It's the one that always appeared on Minecraft's main-menu (title-screen), blurred and slowly rotating.
It first appeared in 2011 for Minecraft Beta 1.8 and remained for many years, it was only recently replaced in 1.13 each subsequent version.

The seed was found on 18th of July 2020 at around 5:45 AM UTC.

Version: Beta 1.7.3
Coordinates: X=61.48~, Y=75, Z=-68.73~
Seed: 2151901553968352745 OR 8091867987493326313 (both work)

Why two seeds? There are actually 2^16 (=65536) seeds that will all generate the same world. Older versions of Minecraft used only 48 of the bits of the seed. Here's the formula for getting all of them, as explained by Earthcomputer:
25357015387625 + 2^48k, 0 <= k < 2^16; (k is an integer)
The two seeds mentioned are the only "valid" seeds, in the sense that they can be naturally generated by Minecraft (due to Java's random function implementation).
There is not any word/string of characters that will produce this seed, it was generated randomly.
This has nothing to do with "shadow seeds", they are not present in these versions.
What can change is placement of trees and fauna as that depends on the order chunks are generated; otherwise, there are no differences between the two seeds.

Earthcomputer, Cortex, Neil - wrote the biome and terrain checking code
DutChen18 - made multiple tools/mods to help with the recreation and gathering data for the seed checking
MC PseudoGravity - reversed the tallgrass colors and found the biome values in the panorama
Philipp_DE - hosted the recreation server and screenshot bot
Tomlacko - started the project, found the coordinates, produced the panorama viewer with recreation overlay
...many other people helped in other ways (such as building the recreation block-by-block) listed here.

To see how this was accomplished, watch SalC1's video:

Seed reveal video from Earthcomputer:

~ this post copied mostly in verbatim from Tomlacko's Reddit post on the subject
30 Sep 2020, 10:42:47 UTC · Discuss

Onwards to new and great (actually, lesser) heights (of cacti)
The first round of Kaktwoos processing is nearing its completion. A small number of hosts caused many errors with faulty hardware or software configurations which caused the failure of a handful of workunits. Due to these failures; several thousand new tasks have now been submitted to allow any previously failed workunits an additional chance to succeed.

All historically submitted data is currently under re-evaluation as a subset of these completed tasks has outputs which don't appear to be nominal. The re-validation of tasks will reach completion shortly, and soon a follow-up will be posted detailing the tallest cactus found during this round of Kaktwoos processing.

The Kaktwoos (kak-two-s) project was initiated by computing a small set of tall 'candidate cacti' using the single-chunk cacti stacking application Kaktoos (kak-tus). The initial cactus seed search assumed stacking began at an elevation of y=63 blocks from bedrock which is the basis of assumption for the Kaktwoos multi-chunk cacti scanning work. You have likely volunteered resources towards this effort over the past few weeks.

Now, onto the exciting news: the Kaktoos application (note the missing 'w') shall be launching on BOINC.

This application will exist to scan for individual chunk seeds which produce tall cacti (7 blocks minimum) with generation elevation of y=62. Using a lower elevation parameter for Kaktoos will hopefully allow us to discover additional naturally-generated 22+ block tall cacti with Kaktwoos.

For those wondering, the next set of tasks will produce many more resultant 'candidate' cactus seeds than the previous y=63 run. We expect 120 million generated seeds despite the required minimum height of 7 blocks we chose to reduce output drastically. This dataset will be used for quad-chunk stacking (Kaktfours anyone?) and is much more challenging to manage due to the lower probability of finding 22+ block tall cacti and increased development overhead. We could theoretically find much taller cacti with this method, with a caveat of requiring significantly more processing power. Don't worry though; there are other projects brewing which will take priority. If you are a 'stacktus' superfan or a member of the 'big cactus community', you also needn't worry; there may be even more permutations of Kaktoos and Kaktwoos inputs to try which should keep us all busy along the way.

Finally, and for reference, the tallest known cactus found by [email protected] (in Minecraft: Java Edition v1.14.4) is 22 blocks, and 24 blocks tall if using a superflat world with the desert preset. We distinguish these heights as we consider "cactus naturalis" (cactus of normal generation) cacti to be the true tall cacti, as opposed to "cactus fma vi" (cactus of superflat generation).
2 Aug 2020, 15:09:11 UTC · Discuss

Server outage resolved and supporting our infrastructure
Between 23:54 UTC yesterday (2020-07-20) and 15:35 UTC today, we suffered from a catastrophic SQL failure which forced us to restore from backup.

There may be some credit issues where the system granted more or fewer credits than you expect for work done during this time.
I can't apologize enough. If our BOINC deployment was architected for scale rather than for low cost, we could've avoided this.

There are several enhancements to our infrastructure and upgrades we'd like to make, such as migrating services to Kubernetes and potentially using a managed SQL service.

You can help! Please consider visiting our Patreon page, reviewing the current set of benefits, and making a contribution of any size; any amount helps -

All contributions go towards covering infrastructure cost and quality-of-life improvements to ensure the project's longevity.
21 Jul 2020, 20:10:54 UTC · Discuss

That was fast
The origin of the panorama image used in the Minecraft main menu from beta version 1.8.1, released in September 2011, has remained a mystery until now.

In less than 24 hours after launching the panorama application; a volunteer host for [email protected], in a sheer stroke of luck, found the world seed, 25357015387625.
This was approximately 93 days of processing time at a total of 54.5 exaFLOPs compressed into the last 24 hours.

The specific host which located the seed belongs to the user vanos0512.
Thank you to the 137 users who contributed 181 hosts with 231 GPUs over the last 24 hours. You all accomplished this.

Here are the details if you want to generate this world for yourself:
Minecraft version: Beta 1.7
Either of these two valid world seeds: 2151901553968352745 or 8091867987493326313
Co-ordinates: x60, y76, z-67

See the video released by EarthComputer announcing the finding.
18 Jul 2020, 15:32:11 UTC · Discuss

Enjoy the scenery
[email protected] is now over one month old! To celebrate this milestone, I present a new research focus; the panorama project.

If you were here during beta-testing, you might have received a very early version of panorama tasks, and the eagle-eyed among you may have seen the application details on the server status page.

The panorama app is a CUDA-only app for Linux and Windows with an Nvidia driver version of 418.96 or higher.

This project attempts to find the world seed of the iconic panorama image which appeared in the background of the main menu of Minecraft between 2011 and 2018. The first phase of this project will only last a few days, and we shall update you with their progress in the coming weeks.

Right now, the application is quite substantial. Unlike the OpenCL applications for the Kaktwoos project, if you allow BOINC to run tasks always; you may experience some stuttering or lag in your desktop environment while running these tasks. These tasks do not have checkpointing support, but run in around 1 hour on an average host to mitigate the majority of lost cycles.

As always, you can change which projects of which you decide to participate in your user preferences.

Let us know if you have any questions, and as always join the discussion over on the Discord server.
17 Jul 2020, 15:31:43 UTC · Discuss

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