{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002629},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003731","490:4900002478","490:4900002316","490:4900002019","490:4900003219","490:4900001295","496:4960011728","490:4900002636","490:4900001879","490:4900002912","490:4900001698","490:4900000789","490:4900002631","494:4940006945","494:4940007074","487:4870007911","494:4940007599","494:4940007187","490:4900001294","494:4940007276","490:4900001568","496:4960011460","494:4940008132","494:4940006858","496:4960006494"],"twin_admin_codes":[490,490,490,490,490,490,496,490,490,490,490,490,490,494,494,487,494,494,490,494,490,496,494,494,496],"twin_sims":[0.541966854092891,0.5193328342113139,0.4567561262799479,0.4544320277685887,0.437913861426181,0.4112689431497964,0.38384430912057566,0.35752130783914116,0.34297982563529317,0.3396360877929518,0.3352405789769159,0.3330097916136258,0.3233766019360172,0.32053379191946113,0.3165579679651409,0.31513203712398513,0.31455169624228807,0.31408259511683473,0.313949957708937,0.31035039413967463,0.3085823724865173,0.3078967346526839,0.30785804431764907,0.3038541713175422,0.29896963575508206],"twin_dists":[0.14375063439934105,0.14867200647970732,0.16258767816210182,0.16311604113477207,0.16690089982026202,0.1731288700583561,0.17972660675744728,0.1862746371865083,0.18999742206593923,0.19086518009084658,0.1920129056600315,0.19259851243312648,0.19515236965991628,0.19591406686643414,0.1969857260245513,0.19737192632360764,0.19752938982934548,0.19765679129424632,0.19769283340609203,0.19867429009521098,0.19915874362858707,0.19934704333448036,0.1993576762167909,0.20046221920920737,0.20182121440210588],"n_dims_used":45,"mean_confidence":0.9179125467936198},"coverage":{"mean_confidence":0.9179125467936198,"n_dims_used":45,"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}}