Model card: the training set's prompt forms were tied to the kind of row (the sample alone on windows only), and the measurement that the sample-alone form draws whole pages as well

README.md

@@ -95,8 +95,12 @@ official MOSS-Image layout, and diffu's plugin `diffu_sglang_moss` adds the samp
   with a sample page from the same volume; 10 % of the volumes held out (11,920 rows). Court, chancery, church, police,
   mining, military and travel records, 16th to 19th century.
 - Prompt forms: the sample page alone (60 %), the sample with the look in words (20 %), no sample (20 %); no prompt
-  names an archive, years or a hand. Half of the sample-alone pairs were restyled the same way on page and sample
-  (microfilm grey, colourised, tinted), so the look has to come from the sample.
+  names an archive, years or a hand. A fault in building the set (found 11 Nov 2026, fixed for later runs) tied
+  each form to one kind of row: the sample alone was trained on windows only (86,027 windows, no whole page), no
+  sample on whole pages only (28,676), the sample with the look in words on 20,197 whole pages and 8,479 windows.
+  Measured after: on 20 held-out whole pages the sample-alone form's error is the trained form's within 0.05 % at
+  every noise level, so it is drawn with as advised above. Half of the sample-alone rows were restyled the same way
+  on window and sample (microfilm grey, colourised, tinted), so the look has to come from the sample.
 - Recipe: MOSS-Image's own full fine-tune, from Base at revision `85975793`: Muon on the joint blocks' matrices and
   AdamW elsewhere, learning rate 5e-5 (constant after 50 warmup steps), gradients clipped at 1, float32 weights under
   bfloat16 autocast, an exponential moving average of the weights at 0.999; text encoder and VAE frozen.