13 August 2026 — Second Search Run: BrainDen (P9), New Indian Express (P16), ScribbleHub (P1), FerrariChat (P8), rec.puzzles 2023 — Classification Upgrades
Second search run on 13 August adds five new sources and triggers classification upgrades. BrainDen evidence upgrades P9 from Medium to High. New Indian Express evidence upgrades P16 from Low to High. A previously noted P27 Math SE discussion upgrades P27 from Low to Medium. Running state moves to approximately 27 High / 6 Medium / 3 Low.
Second Search Run — 13 August 2026
New Sources Identified
- **BrainDen (P9):** BrainDen puzzle site hosts a thread directly addressing the P9 problem type (Mega M31). This constitutes substantial-hint exposure and upgrades P9 from Medium to **High**.
- **New Indian Express (P16):** An Indian national newspaper published content reproducing or closely paraphrasing P16 (Mega M29). This constitutes prompt exposure in a mass-circulation outlet and upgrades P16 from Low to **High**.
- **ScribbleHub (P1):** A fiction/creative-writing platform references the P1 combinatorics puzzle. Classified: discussion/high (no classification change; P1 was already High).
- **FerrariChat (P8):** A car-enthusiast forum includes a recreational puzzle discussion matching P8 (Mega M34). Classified: discussion/high (no classification change; P8 already High).
- **May 2023 rec.puzzles collaboration request:** A May 2023 Usenet post publicly solicits collaborative assistance with Power Test items. Classified: collaboration-assistance-request/high.
Classification Update
A concurrent review of the P27 Math Stack Exchange thread (previously classified low) revealed more direct method engagement than initially assessed. P27 is upgraded from Low to **Medium**.
Running Classification State After 13 August
- **High exposure (27 items):** P1, P2, P4, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P18, P19, P20, P21, P22, P23, P24, P25, P26, P29, P30, P31, P32, P36
- **Medium exposure (6 items):** P3, P5, P6, P17, P27, P28
- **Low exposure (3 items):** P33, P34, P35
*Note: The running classification reflects all evidence through 13 August 2026. The 4 August baseline snapshot (25H/6M/5L) is preserved as the formal audit-dated reference.*