{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003980},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003890","477:4770003893","477:4770003888","477:4770003920","477:4770003855","499:4990000756","499:4990000676","477:4770003955","477:4770003924","499:4990000531","499:4990000470","499:4990000679","499:4990000607","499:4990000530","477:4770003925","477:4770000394","477:4770000453","477:4770003853","499:4990000760","499:4990000245","477:4770000821","477:4770000392","499:4990000599","477:4770003926","499:4990000532"],"twin_admin_codes":[477,477,477,477,477,499,499,477,477,499,499,499,499,499,477,477,477,477,499,499,477,477,499,477,499],"twin_sims":[0.9220419396100924,0.8768556170957986,0.8762938313635138,0.8665956566143284,0.8654131092948634,0.8535485826789635,0.8478177046069454,0.8327903952009893,0.8259196133094587,0.7989836347471803,0.7949821529029945,0.7653901116627887,0.7625628952904216,0.7509706997418089,0.7194421028636497,0.7160639422276468,0.7116513818843149,0.7022753775096073,0.6997332584863569,0.6982063189508508,0.6907226481542883,0.6868173548940539,0.684022255807875,0.6834255004210091,0.6771394203520062],"twin_dists":[0.05232654820874602,0.06658216275006057,0.06674432248801365,0.06949990991373879,0.06983053072163153,0.0730889529396709,0.07462747551515725,0.07856564826127427,0.08032457875918385,0.0870090859910719,0.08797702251551524,0.09497184556602431,0.09562683957642985,0.09829167585155923,0.10539524289527101,0.1061458092567197,0.10712356328028616,0.10919188173740711,0.10975063907235194,0.11008586799457498,0.11172481183632452,0.11257756708259707,0.11318691206010005,0.11331690440925965,0.11468411252868457],"n_dims_used":45,"mean_confidence":0.9260804070366754},"coverage":{"mean_confidence":0.9260804070366754,"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}}