Give each weight set its own version and commit

README.md

@@ -24,7 +24,16 @@ Two weight sets are here. `stage2_best.pt` was trained on renders alone.
 to see whether real data closed the gap. It did not, and both are published
 rather than only the flattering one.
 
-Version 263701.
+| weights | version | commit |
+|---|---|---|
+| `stage2_best.pt` + `stage1_best.pt` | 263601 | `82d3030` |
+| `v3mix_stage2.pt` | 263701 | `deed0ca` |
+
+Both were briefly published under the same version number. The release counter
+is derived from git tags, and with no tags it returns 01 forever, so two
+different models were stamped 263701. Tags now exist for both, and the stamp
+says UNTAGGED when none do rather than emitting a number that looks unique and
+is not.
 
 ## The metric