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   "Result": "ASCII birthday cake with row text",
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   "Re-checked": "# -> 3 -> three hex layers"
  }
 ],
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 "writeup": {
  "title": "201501272341 — birthday cake",
  "markdown": "Status: **verified decoding**; the inscription on the cake is **unsolved**.\n\nTransformation:\n\n1. Replace every `#` with `3`.\n2. Remove whitespace and hex-decode three times.\n\nThe output is an ASCII birthday cake. The lower tier includes the text `p x e g h o p w w l e m m c h e l`; the community notes that the upper tiers encode a name and that the visible `4` refers to the account age. The lower-tier text is preserved as an observed result, not assigned an interpretation here.\n\nFollow-up (2026-09-16): the exact output is **858 bytes** (20 rows of 41 characters,\n19 CRLF separators). Re-encoding reproduces every original character. The apparent\nshort first token in early discussions comes from Reddit interpreting six leading\nhashes as a heading; the raw body is complete. The inscription remains unsolved\nafter bounded cipher, layout, random-letter, and password tests.\n\nFollow-up (2026-10-01): an exact diff against the recovered ASCIIWorld template shows\nonly the known edits; the column-12 candle is the template's own. Quagmire/Kryptos-style,\nbifid/trifid, Playfair, two-square, Hill 2×2, running-key, anagram, A858-style symbol-swap and\nearlier-puzzle (24tmeo grid, 2jtoce name shifts) readings are all negative, with every planted\ncontrol recovered. The letter frequencies are un-English (transposition disfavoured). The\ninscription remains unsolved."
 },
 "page": "posts/2twfhc/"
}