{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001988},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001935","480:4800002035","480:4800001428","480:4800001642","480:4800002198","480:4800001596","480:4800001474","480:4800001425","480:4800001239","480:4800001245","480:4800002428","480:4800001932","480:4800001358","480:4800001758","480:4800001762","480:4800001315","480:4800001294","480:4800001645","480:4800002526","480:4800001301","480:4800001591","480:4800001422","480:4800002429","480:4800001471","480:4800001485"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.3524858929912277,0.32148999158291064,0.31485198957637867,0.28305615220073327,0.22885370513032796,0.19372648683714414,0.1915685761986068,0.17755462808441758,0.1674158675269255,0.15611166420884318,0.14462305402752132,0.14236292470822204,0.1326662492233968,0.12846105805588395,0.12192043767872228,0.11375740926161784,0.10867184782315278,0.10435463115129015,0.09938883722483245,0.09508811690067777,0.08814783810486448,0.08077387608337058,0.07909672407854687,0.07595947381871418,0.07246281808120407],"twin_dists":[0.18755464949507952,0.1956574445699292,0.19744789087980788,0.2063419093908277,0.22304197830463712,0.23530647827387025,0.23610806268394596,0.24147414700122175,0.24554689895867654,0.2503031293612814,0.2554023679762408,0.25644050006752545,0.2610392360746617,0.26311234339540346,0.26644133898863903,0.2707929519968735,0.27362692947108225,0.2761145201697951,0.2790770032046523,0.28173792424171085,0.28623935681758716,0.29134189314364556,0.2925541423548348,0.2948783185512584,0.2975617922193783],"n_dims_used":43,"mean_confidence":0.9134460271790971},"coverage":{"mean_confidence":0.9134460271790971,"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}}