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Cake day: July 27th, 2026

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  • SHA1 has a fairly even distribution, it produces 160 bit digests, so each possible variation of a chunk will have a roughly 2-160 probability to hit your hash. Now assuming you have some insane computing device that can do an exahash per hour (that’s 1018 hashes, a lot more than any modern hardware can do), finding one would take around 1.7E+26 years. Now the funniest part. Assuming your chunk is 32KiB large (practically nobody uses such small chunks today, so it’s the best-case scenario), there are 2^(32×210×23)/2160 possible variations of the chunk that would produce your exact hash. That’s roughly 1.1E+78865 fitting chunks with only one being correct. And it takes you 1.7E+26 years to get to just one of them.

    absolutely could be brute forced

    Yea, I wouldn’t say that.




  • Picard mentioned in the other comment is great. If you want a more manual approach, on a Linux machine you can use exiftool to extract the metadata and then use that information to do whatever, e.g. organise them by folders.

    A bit long code block
    $ exiftool -j 救世主.ogg 
    [{
      "SourceFile": "救世主.ogg",
      "FileName": "救世主.ogg",
      "FileSize": "3.4 MB",
      "FileType": "OPUS",
      "FileTypeExtension": "opus",
      "MIMEType": "audio/ogg",
      "OpusVersion": 1,
      "AudioChannels": 2,
      "SampleRate": 48000,
      "OutputGain": 1,
      "Vendor": "Lavf60.9.100",
      "PictureType": "Front Cover",
      "PictureMIMEType": "image/jpeg",
      "PictureDescription": "",
      "PictureWidth": 0,
      "PictureHeight": 0,
      "PictureBitsPerPixel": 0,
      "PictureIndexedColors": 0,
      "PictureLength": 102126,
      "Picture": "(Binary data 102126 bytes, use -b option to extract)",
      "Totaldiscs": 1,
      "Genre": "J-POP",
      "Encoder": "Lavf60.9.100",
      "Releasetype": "single",
      "Album": "救世主",
      "Language": "jpn",
      "Date": "2023-05-07",
      "Title": "救世主",
      "Totaltracks": 1,
      "Artist": "月詠み",
      "Duration": "00:03:20.868000000",
      "TrackNumber": 1,
      "Tracktotal": 1,
      "Disctotal": 1
    }]
    






  • Fermented juice like wine, cider and similar things like mead get to around 13% ethanol through the fermentation alone, no special technological magic needed. I think it’s fair to say it was the first method of acquiring alcohol, as it’s very common in nature with, for example, birds getting high from eating not so fresh berries.






  • For those who can’t read, the text says
    ◯ックスするまで出られない部屋
    Which is “A room you can’t leave before you have **x”
    Reading with the pink corrections turns it into
    ワックスかけたら乾燥するまで出られない部屋
    Which is “A room you can’t leave before the applied wax dries”

    I think there is a doujinshi with the same name as the first sentence, but I’m not diving that rabbit hole.


  • If you spoke with any Japanese people in the wild, it’s very hard to find those who can speak proper English. Most of the time they’ll have some basic vocabulary and will be able to understand what you are saying, but saying anything themselves is practically impossible. I often say that Japanese is a phonetically impaired language, mainly because of how little valid sound combinations there are in the language, being risen surrounded with only Japanese trains your voice cords to only produce these sounds. And Japanese phonetics barely intersect with English ones. You see the problem, right?

    And Japanese who are hanging out in places where they can meet with foreigners are obvously better at it than your average Japanese person.

    だから、私日本語を学んでいる。この方で楽だ。