{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008211},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010042","490:4900010403","490:4900007776","490:4900007767","490:4900006556","490:4900009829","490:4900008994","490:4900010041","490:4900007991","490:4900012040","490:4900009930","490:4900011507","490:4900010567","490:4900010030","490:4900007879","490:4900008323","490:4900007791","490:4900008114","490:4900008445","490:4900010400","490:4900009549","490:4900010152","490:4900007427","490:4900007764","490:4900009842"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.022408349668268122,0.011605630140130354,0.006584133471865466,0.005955797390464232,0.004602572540693604,0.0038162322929090843,0.0029405986395192986,0.002814826409623206,0.00281032783119248,0.0027959747089651814,0.002552401287168989,0.0019529766477018853,0.0018903397003997742,0.0018502634915629694,0.0017433394629119724,0.0016844815265683404,0.001179691912249195,0.0011543743016316894,0.0011090528641231677,0.0009959186266435501,0.0008569381497703341,0.000736733507496879,0.000690819129040118,0.0006894135356620378,0.000639758174369054],"twin_dists":[0.35796017576994266,0.3877254829870575,0.4116465061800749,0.4157359297866643,0.4260651228338413,0.43341868535071487,0.4434464322965469,0.44510602347018435,0.44516663086323444,0.4453605993963569,0.4487993521635119,0.45874936194726296,0.4599463750068758,0.46073154115363274,0.462905642108934,0.4641554087615372,0.4769242274022602,0.4776908929582797,0.4791030547860967,0.4828762432105097,0.4880981407151217,0.49329347328892525,0.49548887187286955,0.4955582018331588,0.49809601485234495],"n_dims_used":45,"mean_confidence":0.8854159037272136},"coverage":{"mean_confidence":0.8854159037272136,"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}}