{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009110},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009413","490:4900009317","490:4900009422","490:4900009017","490:4900008034","490:4900009124","490:4900009111","490:4900006566","490:4900009319","490:4900009229","490:4900008370","490:4900009235","490:4900009740","490:4900009228","490:4900008468","490:4900008446","491:4910005255","490:4900009025","490:4900008996","490:4900007803","490:4900008997","490:4900005051","490:4900006958","490:4900009227","490:4900008573"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.008744253833290173,0.005035081965391427,0.003494753689426026,0.0019951639056186147,0.001727111758299619,0.0016288204358600156,0.0007156150456028533,0.00042775145151538474,0.0004160480754488491,0.00036634040362761066,0.00031807337641868104,0.00018571770971309004,0.00016606090217756816,0.00015558275008067238,0.00009781129994765409,0.00007458221098904852,0.00006465442824592769,0.00006178314539010348,0.00005804742803469058,0.00003982500312097992,0.0000320323138747044,0.0000276259504332423,0.0000236005896761294,0.000023500599482189925,0.0000195103907794409],"twin_dists":[0.399851403351344,0.42249452172627044,0.43682999055695143,0.4579628961007419,0.4632462853397538,0.4653748915828688,0.4942869489941426,0.5115461859318428,0.5124600988067596,0.5166310985176622,0.5212233386551045,0.5383538826936441,0.5418476908752937,0.5438728215729159,0.5580817323511446,0.566217272572706,0.570456708678082,0.5717982965111084,0.5736351940506934,0.5846087839790649,0.5908579916801032,0.5950676952848847,0.5995150066260098,0.5996344495867293,0.6048460927379335],"n_dims_used":45,"mean_confidence":0.8850816514756944},"coverage":{"mean_confidence":0.8850816514756944,"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}}