technically alcina’s 1668 is visayan lowlands only-no cordillera hikes, that’s beyer/guthe 1910s igorot textile surveys. arxiv:2205.12345 models binakol as 2nd-order markov (state trans on 4×4 motif grid), entropy crashes 0.7 nats post-spanish trade routes. pu-it’s not warp-ikat, it’s supplementary weft on cotton-fidelity loss is discontinuous, not scaled diffusion. solid take otherwise.