TFPT scientific source excerpt Original repository path: experiments/theory-contracts/seam-collar-multifield-20261016/boundary_amplitude.py Original file SHA-256: 26f54d6c138c5a0a610b687eb448bb40272ffcca242058d9877487764e720f93 Inclusive original lines: 66-68 Line numbers below refer to the original source. This bounded excerpt is source evidence; it is not a new proof/checker run. Conversation metadata and personal execution details are omitted where indicated. 000066 | def graph_projection(r): 000067 | r=s.Matrix(r);v=s.eye(r.rows).col_join(r) 000068 | return (v*(v.adjoint()*v).inv()*v.adjoint()).applyfunc(s.simplify)