Iteration 81 — H-070 RBO EXCLUDED KILL #23 · NOVELTY WITHOUT VALUE · MECHANISM DATUM #7

In plain words: the campaign's most original survivor died at the final gate — and taught two lessons on the way down. First, the new kill mechanism: being genuinely NEW is not being USEFUL. Its reading overlapped with nothing in the certified stack, yet on held-out data adding it didn't merely fail to help — it actively hurt, in both halves of the test period. Second, and more valuable than a certificate: its direction reading is significantly BACKWARDS — features that persistently hold top leaderboard positions are LESS likely to keep their edge. That is the campaign's oldest discovery (iteration 9: regime-stable features lose orthogonality) reproduced from an instrument that shares essentially nothing with the one that found it first. The both-extremes-lose mechanism now has seven data points across three unrelated families of instruments — persistence itself, however you measure it, predicts decay. That investigation is now formally proposal-ready for the operator. The boneyard entry leaves a precise door open: if an inverted-direction admission path is ever pre-registered, this readout is the first to revisit.