One physical bit, time-multiplexed. Observers stay. Hypercube phase = gatekeeper.
| Step | Bit | Gate | Observers | 0:0=1=0? |
|---|---|---|---|---|
| 1 | 0 | 0:1(a) | 0→0 | |
| 2 | 0 | 0:1(b) | 0→0 | |
| 3 | 1 | 0:0=1=0 | 0→1 | YES |
| 4 | 1 | 1:1 | 1→1 | |
| 5 | 0 | 0:1(a) | 1→0 | |
| 6 | 0 | 0:1(b) | 0→0 | |
| 7 | 1 | 0:0=1=0 | 0→1 | YES |
| 8 | 1 | 1:1 | 1→1 | |
| 9 | 0 | 0:1(a) | 1→0 | |
| 10 | 0 | 0:1(b) | 0→0 | |
| 11 | 1 | 0:0=1=0 | 0→1 | YES |
| 12 | 1 | 1:1 | 1→1 |
Run forever — every 4 steps you get a complete system on a single bit.