{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001154},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001155","480:4800000776","480:4800000449","480:4800001099","480:4800000357","480:4800000700","480:4800002001","480:4800000484","480:4800000327","480:4800000388","480:4800002055","480:4800001507","469:4690004389","480:4800001459","480:4800000519","480:4800000736","480:4800001892","469:4690004476","480:4800001503","480:4800002102","480:4800001379","480:4800001217","480:4800001160","480:4800000814","480:4800001273"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,469,480,480,480,480,469,480,480,480,480,480,480,480],"twin_sims":[0.5184939472179955,0.4763423932883543,0.34807657164462197,0.27925791044566994,0.17240171229374593,0.1565169664782564,0.15650020191167086,0.14471446641085825,0.14412598030846938,0.14149807921905763,0.1408903075743254,0.13918798113127745,0.12714586192051694,0.12657918752832067,0.12048320834118426,0.11987784825576216,0.11633680074651345,0.1149837265040362,0.10452305990151083,0.09977896390968241,0.09827662688207724,0.09570865251352757,0.09358412240119185,0.09299535156004422,0.08951763668971523],"twin_dists":[0.14885530523977458,0.158171809593925,0.1886833420422023,0.20744330408643102,0.2435226630453448,0.25012834056108574,0.2501355638117699,0.2553606341172877,0.25562964747618094,0.2568409850346156,0.2571235178068815,0.25791973715871563,0.2637712362065553,0.2640567231533921,0.2671909873020961,0.2675087831962587,0.2693927381344232,0.2701242392192544,0.2760159852419375,0.27884012501622013,0.27975634148563133,0.28134822454795655,0.28269082133694884,0.28306714443625636,0.2853292306337869],"n_dims_used":43,"mean_confidence":0.9225719363190407},"coverage":{"mean_confidence":0.9225719363190407,"n_dims_used":43,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}