{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001919},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002378","490:4900002075","490:4900002227","490:4900001916","490:4900002542","490:4900001915","490:4900001123","490:4900002388","490:4900001115","490:4900002074","490:4900002676","490:4900002069","490:4900002077","490:4900002528","490:4900001769","490:4900001917","490:4900003793","490:4900001914","490:4900004504","490:4900002690","490:4900002838","490:4900002245","490:4900004222","490:4900002526","490:4900002228"],"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":[0.3936446456243706,0.20226528691346043,0.17457669602356554,0.14791622442863314,0.14507290806210357,0.09255538789873918,0.06197650718143717,0.05703082401140443,0.05226161340385469,0.03582371637743599,0.032648536135394264,0.030623843686316952,0.02812145253290842,0.027891263491808677,0.025555511151158738,0.023366407567107967,0.022460077417854326,0.02093888212154353,0.01644925534761263,0.015911175088681395,0.013565631682481772,0.010770618338511992,0.010485690852720305,0.009977188684335843,0.009743304796639572],"twin_dists":[0.17734471249424227,0.23219401947253926,0.24265275381582313,0.2539110476700801,0.2551971776950465,0.28334958465802196,0.3062945922188931,0.31084059973746747,0.315543859740828,0.33512375102722824,0.3397629411582178,0.34292651287851145,0.3470941564369175,0.34749334783499075,0.3517130741218957,0.35598195934526705,0.357851510232689,0.36114204357804247,0.37224280496564854,0.3737468045075749,0.38087631579160247,0.3909603205545,0.3921153059087329,0.3942478597373657,0.3952614287606692],"n_dims_used":45,"mean_confidence":0.9138909233940973},"coverage":{"mean_confidence":0.9138909233940973,"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}}