Five Seed Sourdough Bread | Tartine Style

Written recipe below! Sourdough loaf using semolina and buckwheat flour, as well as a blend of sesame, poppy, flax, fennel, and sunflower seeds!
The dough:
150g semolina
70g buckwheat flour or wholewheat
660g bread flour
135g sourdough starter
700g water

Seed mix:
40g flaxseeds
17g fennel
20g toasted sesame
20g poppy seeds
55g sunflower seeds
21g salt
120g hot water