{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005096},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001543","490:4900004422","490:4900003318","490:4900003565","490:4900001406","490:4900005892","490:4900005505","490:4900004964","494:4940007481","490:4900003580","490:4900003850","494:4940007474","490:4900002739","490:4900005375","494:4940006833","494:4940007898","494:4940007689","490:4900005242","490:4900003857","494:4940007052","490:4900004124","494:4940007891","490:4900003861","494:4940008201","494:4940006832"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,494,490,490,494,494,494,490,490,494,490,494,490,494,494],"twin_sims":[0.46786642546134793,0.3721469063476913,0.32828614023731423,0.32806743078721745,0.32632976725563206,0.30364979398971814,0.27676517044437876,0.2745615148785076,0.25010959482066053,0.23944199100561353,0.23516695543681349,0.22968504431496803,0.2289064286879494,0.22560797717574774,0.21581756355108564,0.20626963785924593,0.19970158413883865,0.19664520826604748,0.19235050077920823,0.18653757995547302,0.1864107736644597,0.18062585832323236,0.1805351852611905,0.1803665432747231,0.1753804406794161],"twin_dists":[0.1600749751628664,0.18260801771672525,0.19384563838955854,0.1939036194855751,0.19436504395245646,0.20051882585949088,0.20817109088768643,0.20881781670002528,0.2162210188171996,0.21959499234680985,0.22097445157387957,0.22276759291648757,0.22302455723638065,0.22411959778529536,0.2274340604232168,0.23076551533537,0.23311881549343066,0.23423209602143522,0.23581688336742726,0.23800169069927818,0.23804987946515074,0.2402732398997167,0.2403084865477995,0.24037407480568657,0.2423332452618659],"n_dims_used":45,"mean_confidence":0.9236790127224392},"coverage":{"mean_confidence":0.9236790127224392,"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}}