{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001969},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001735","480:4800001849","480:4800002176","480:4800001685","480:4800002535","480:4800001793","480:4800002262","480:4800001521","480:4800001518","480:4800002434","480:4800002355","480:4800001688","480:4800002261","480:4800001848","480:4800001344","480:4800002216","480:4800002125","480:4800002257","480:4800001836","480:4800001634","480:4800002060","480:4800002263","480:4800002305","480:4800002386","480:4800001893"],"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":[0.5856573089430308,0.5341653473146231,0.4858595400577522,0.468742362050563,0.4538160051692325,0.42126070064204174,0.4189835001464292,0.38659775187535056,0.3712722266605396,0.36988793537845654,0.3428269210537867,0.3384545082775046,0.3277360387092503,0.32505571407147166,0.31719055405108953,0.30003414282353047,0.29277085700048766,0.29268829695402754,0.28880104931685524,0.28792624103678943,0.2877250467654714,0.2837626718368959,0.2836902332301084,0.28224228370291626,0.27878109803791357],"twin_dists":[0.13434578278523882,0.14544201329633524,0.15604793476681839,0.1598777617629073,0.16325625360612364,0.17077417488136148,0.17130870619459096,0.17905453446198327,0.18282524537219078,0.1831695546217434,0.19003700459102127,0.19117291494257355,0.19399151400620138,0.19470422438707655,0.19681471098320874,0.20152394495244105,0.2035647455635633,0.20358811367017607,0.20469284196245557,0.20494267668239857,0.20500019954462342,0.20613802449466903,0.2061589144658431,0.20657715390522968,0.207582208480554],"n_dims_used":43,"mean_confidence":0.9204891116120094},"coverage":{"mean_confidence":0.9204891116120094,"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}}