A858DE45F56D9BC9 archive

201511181304 3tbmtf

inferred encrypted filler

N=13

Metadata

Post ID
3tbmtf
Title
201511181304 → 2015-11-18 13:04 on A858's clock
Posted (UTC)
2015-11-18 18:12:20
Timezone
UTC−5 · title 13:04 against posted 18:12 UTC
Author
A858DE45F56D9BC9
Account
A858DE45F56D9BC9 main account
Subreddit
r/A858DE45F56D9BC9 the main subreddit
Category
F5 filler by length law: 64N+16
Size
848 hex characters · 424 bytes
N from length
13 (64·N + 16 = 848)
Run
Run 70 (seed 6,038,486) (seed)
Draw
46 · predicted N = 13 ✓
Machine boot
2015-11-17 21:21–21:46 (seed = uptime at app start)
Sources
arctic-shift · body from arctic-shift
Links
Reddit · Arctic Shift · JSON
Score · comments
1 · 0
Tags
post-cutover2015Undecrypted filler (fits the length law)arctic-onlyrun: seed

From the post to its content

As posted (encrypted)

9909e9567f88dac91efc744d7a16f6cd febde94549601226fe9d36707d8d255e 329cedb1c5b8987f3a2b9f76da8092f7 774da499e9507501f5cce09242c46f95 6763d98b458b6be7814d1c9e27a29d53 59bc34277b561afa338aaa8e6b725638 66316e7b1aa1b5722153e15d399c24e6 e4e8b04791a9476d62a0b18a9536c21d 577ebb3ceb62fd36497a81a3ffe73646 bb7b4b3dc46d951e90dd5d0e29f65940 6edc4eabb37a18432007d12071201e57 345e2d203d3eff839532852dcf110349 62eb54c183829480e81ff7bfe0d622c5 418536545dcf555fffa7e09b03497877 5dacb18f9e955dd4ce6f25ae5ad8a05d 6f5874fcbfffafb2542a242f8d4bb00c abfb5f18ffabbde60ab7e24c2d453789 fbcb3e366933b2b3a24ea501e368773c 9f04613baf975fa340d6cf504259f642 03ccd3d55038f47cb43281154d2c6167 b09adf287bf0e576799fb090b8435043 e9c8c06e99635c99ed0f1ece2acc1678 c8fcfa5d532f36852515c9e44a116d2f 8df9a0e347200da86e18022d9593541a ea3bd1afce55313ab023b69b5f3f130b a0b313a05996e535752fb055c11c29d4 a73877b0b144dca4 

Explanation

  1. Read the length. 848 hex characters = 64 × 13 + 16, i.e. N = 13 GUIDs encrypted with 3DES plus one 8-byte padding block. Every post-cutover filler post has exactly this shape.
  2. Key unknown. The post-cutover key (2013-10-16 onwards) has not been found, so the GUIDs themselves cannot be read. Everything else about the post is accounted for.
  3. Explain the count. This post is draw 46 of Run 70 (seed 6,038,486): new Random(6038486), Next(10,40) per post. The RNG predicts N = 13; the post has N = 13 ✓. The seed is the machine's uptime in ms when the app started (boot 2015-11-17 21:21–21:46).
  4. Conclusion. Filler. Structure and count are explained; the GUIDs are presumed filler like every decrypted post before the cutover.