{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011525},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011033","490:4900012203","494:4940007759","490:4900010070","490:4900004109","490:4900009977","490:4900010530","490:4900009582","494:4940007229","487:4870004520","494:4940008810","490:4900004107","490:4900010950","494:4940007123","490:4900010525","490:4900008291","487:4870004515","487:4870004230","490:4900011856","490:4900004097","494:4940008947","487:4870001659","490:4900011109","494:4940008915","490:4900009987"],"twin_admin_codes":[490,490,494,490,490,490,490,490,494,487,494,490,490,494,490,490,487,487,490,490,494,487,490,494,490],"twin_sims":[0.03443644653869593,0.019611463203573435,0.003918370938160481,0.002780306788190741,0.002439961569152179,0.0022561404054602698,0.0020691961670851067,0.0012248831995572223,0.0010461423085746729,0.0008446136053268794,0.0007792803756612481,0.0007711758139532063,0.000765520903106742,0.0006917049231622868,0.0005776881239250249,0.0005204068375237618,0.0005182789104794193,0.0004068044202544229,0.0003997529730166346,0.00039498579483688006,0.0003773442457888463,0.00035805718750341015,0.00034191606118287636,0.0003385200728005493,0.00033746246145205123],"twin_dists":[0.33710572692736024,0.36418811857486194,0.4323895718880785,0.44557337899316923,0.450489386708714,0.4534126388233252,0.456619011568974,0.475592846203389,0.4811545958639512,0.4885984992323167,0.4913699459620484,0.4917286899072317,0.49198108462185236,0.49544524811650537,0.501540106870647,0.5050397735928234,0.505176598905694,0.5131990991168243,0.5137734838441351,0.5141671987197983,0.5156639546793809,0.5173772458057457,0.5188789000708067,0.5192032832902241,0.5193049289244672],"n_dims_used":45,"mean_confidence":0.9168809678819444},"coverage":{"mean_confidence":0.9168809678819444,"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}}