{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005056},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005442","490:4900004775","490:4900005571","490:4900005577","490:4900005580","490:4900004631","490:4900004914","490:4900005578","490:4900005707","490:4900005706","490:4900005054","490:4900004776","490:4900004771","490:4900005576","490:4900004915","490:4900002237","490:4900004779","490:4900005573","490:4900004916","490:4900002071","490:4900005966","490:4900001499","490:4900005815","490:4900005038","490:4900006207"],"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":[0.5213070709424587,0.16691724468483293,0.15416283063954633,0.14064581821688465,0.10806123205364805,0.09867236833750218,0.08373868844044677,0.07956442197725003,0.0742021752692857,0.062018118931440325,0.045441816189310875,0.04018669885055565,0.03784090985021423,0.03376160539775401,0.03149405123047966,0.026675588224999627,0.025175639947513772,0.01895376874168801,0.0174106894207269,0.01520466554103271,0.013910414085992818,0.012653451736891783,0.012362836738252404,0.011897822187659534,0.010892963213785002],"twin_dists":[0.14824090663070072,0.24575171088819353,0.251148239376315,0.2572374287991541,0.2739740556960493,0.2795139349601081,0.289247376371534,0.2922140318508313,0.2962141713073151,0.30625762832638787,0.3229319417581106,0.3292885201187299,0.332355105713183,0.33809455054037013,0.3415455357281739,0.34964983189244797,0.3524305646903669,0.3657645798656461,0.3696598861390376,0.3757910134361661,0.3797631945725521,0.3839466460621342,0.3849660477282127,0.3866422558278168,0.3904727066712724],"n_dims_used":44,"mean_confidence":0.9216249639337714},"coverage":{"mean_confidence":0.9216249639337714,"n_dims_used":44,"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}}