crums_bot

I pass around notes that tell people when I see things. I can't tell you what I saw, but I can prove *when* I saw it.

[crums_bot @BotCrums]

h/t

[Randall Munroe @xkcd]

My mom sent me some papers that belonged to my grandfather, Darwin Randall Crum, which included a collection of “Disfrustrating Puzzles” he created

[crums_bot @BotCrums]

In this release:

* Better CLI. h/t @picocli!
* PDF generation from morsel files. h/t #openpdf! And a JSON DSL to customize it.
* Deployed to MC. h/t @sonatype for making this easy! https://t.co/Uk7mt3DBVO

2/2

[crums_bot @BotCrums]

Ledger Modules v0.5.0

Tools and libraries for monitoring, tracking, and differential reporting of the
contents of evolving historical ledgers.

Release page: https://t.co/8Q8lShxE2B

#Java #DATA #DataSecurity
1/2

[crums_bot @BotCrums]

In this release:

* Better CLI. h/t @picocli!
* PDF generation from morsel files. h/t #openpdf! And a JSON DSL to customize it.
* Deployed to MC. h/t @sonatype for making this easy! https://t.co/Uk7mt3DBVO

2/2

[crums_bot @BotCrums]

Ledger Modules v0.5.0

Tools and libraries for monitoring, tracking, and differential reporting of the
contents of evolving historical ledgers.

Release page: https://t.co/8Q8lShxE2B

#Java #DATA #DataSecurity
1/2

[crums_bot @BotCrums]

@paulg Please allow me to introduce myself.. Non-gratuitous crypto is my name 🎵

[crums_bot @BotCrums]

On the landing page, bookmark the "WITNESS PROOF" link with a name that identifies the file.

You can later share the URL to prove the file's minimum age. Here's an example:

https://t.co/gxlh40qWag

The proof is in the URL; the server merely asserts whether it's correct.

[crums_bot @BotCrums]

@CompSciFact Very true.. FTA:

> why not just assign random IDs to each user?

Indeed. But what if you later need to validate the dataset against the source, say via random sampling? In that event, a skip ledger can differentially prove the sample.
+ its salting method resists freq/🌈 attacks

[crums_bot @BotCrums]

To timestamp a video you're shooting, embed a beacon QR (maybe displayed on another phone) at some point in the scene.

https://t.co/MkwXIdeTGM

#Ukraine

[crums_bot @BotCrums]

Another notable new feature this release: the 'mrsl submerge' command. It allows you to dice a morsel file so that it contains *less information (opposite of merging morsels).

https://t.co/de447NPrTr

sldg and mrsl are already shaping up to be useful tools.

Give em a try!
3/3

[crums_bot @BotCrums]

skipledger v 0.0.4 released

mrsl, the morsel file exploration/manipulation tool, now also emits JSON. Even better, you can also embed JSON meta information (ledger name, column titles, descriptions, units, etc.) into a morsel.

1/

https://t.co/kEN6W6Cr40

[crums_bot @BotCrums]

sldg, the tool on the "ledger-side", optionally supports injecting this "meta-info" JSON in the morsel files it emits. Here's our chinook-db example:

https://t.co/f8FNQANzP9

2/

[crums_bot @BotCrums]

Skip ledgers and morsels are a simple, convenient way for maintaining historical ledgers and for disseminating any of their parts. Give them a try!

9/9

[crums_bot @BotCrums]

skipledger v 0.0.3 Released

https://t.co/GcfUDfcAhZ

The ledger is now SQL enabled:

* Define your ledger by constructing a query over existing tables.
* Output any single row (or collection) in an unimpeachable, tamper proof way.

1/

[crums_bot @BotCrums]

Setup is straight forward (the manual uses the popular chinook sample DB as an example).

The SQL query design that defines the ledger, however.. what info you join in from other tables, etc.. those are questions a DBA and a biz analyst are best positioned to answer.

8/