{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012198},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008618","490:4900005858","490:4900012702","490:4900006235","490:4900007212","494:4940007647","490:4900008373","490:4900006135","490:4900006718","490:4900008394","490:4900005597","490:4900005989","490:4900004250","490:4900004388","490:4900006598","490:4900008374","490:4900007459","490:4900006243","490:4900005864","490:4900005732","490:4900005596","490:4900006961","490:4900006357","490:4900005988","490:4900008059"],"twin_admin_codes":[490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.008374436349015706,0.002213234650663365,0.0011842382841866024,0.0004574861614263277,0.00041446804724096345,0.00022150747296845985,0.00013290043451759145,0.00012450881998847974,0.00011803540993871508,0.0001025944905711569,0.0000711596883604898,0.00007056266682186348,0.00005520601017579854,0.00004347035118316649,0.00004042533588194185,0.000025846264968580974,0.000015799059217641833,0.000015405600355513545,0.000015397137398849895,0.000014966477797446683,0.000012611313723330612,0.000012131555578686195,0.000011794776828022215,0.000010301555574322201,0.000008405779263839466],"twin_dists":[0.40167016986780746,0.4541263532537011,0.47678817033517806,0.5093254147131661,0.5125853211627871,0.5328037876524339,0.5487380853284908,0.5507393137881674,0.5523721161590316,0.5566368504446448,0.5676149297281717,0.5678652421120074,0.575109064083278,0.5820762821672452,0.5841769408094802,0.5969522106701334,0.610701828206513,0.6113979799377642,0.6114131393063972,0.612195262226863,0.6168946887413598,0.6179542366185087,0.6187222147010845,0.6224014622474988,0.6278888457736914],"n_dims_used":45,"mean_confidence":0.8981541103786892},"coverage":{"mean_confidence":0.8981541103786892,"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}}