{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001943},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002057","480:4800001660","480:4800001716","480:4800001610","480:4800001954","480:4800002207","480:4800001549","480:4800001607","480:4800001440","480:4800001437","480:4800001889","480:4800001375","480:4800001389","480:4800002060","480:4800001831","480:4800002254","480:4800002159","480:4800002356","480:4800002160","480:4800002391","480:4800001279","480:4800001663","480:4800002346","480:4800001506","480:4800001380"],"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":[0.5440377373096948,0.4579210361541172,0.45265209070249424,0.4247302494248592,0.4204678280906446,0.41659992360042497,0.4106448570775712,0.3766722521122166,0.3766302430277177,0.3498994306671995,0.3394221106950883,0.3291463711839682,0.31638714365538007,0.3051572183882511,0.30495927227744024,0.29740832702655073,0.296826895046903,0.29099010802599135,0.2856553577241036,0.28400499926072764,0.2813264766462442,0.2799666665825105,0.2785013370305064,0.2771748321623779,0.2720121839288881],"twin_dists":[0.1433024363521616,0.16232321320168253,0.16352136241909707,0.169962094468931,0.1709601481600364,0.17186953254153112,0.17327676081883453,0.18148813717539306,0.18149850268967987,0.18821582646817311,0.19092086633693192,0.19361779255317044,0.19703194024421133,0.20010183059113829,0.2001565197831896,0.20225834277537813,0.20242147388955894,0.2040696461377039,0.20559334295301823,0.20606816505359984,0.20684235430481587,0.2072370963336067,0.20766377540885123,0.20805121134737908,0.2095699751141082],"n_dims_used":43,"mean_confidence":0.9201681447583575},"coverage":{"mean_confidence":0.9201681447583575,"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}}