{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002292},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003858","469:4690000202","494:4940004860","468:4680003033","489:4890001780","480:4800004341","480:4800001197","466:4660005136","468:4680002688","500:5000009659","469:4690002894","480:4800004510","467:4670002169","469:4690001886","469:4690002589","473:4730003457","468:4680002783","472:4720006991","479:4790005341","472:4720007834","480:4800004853","473:4730002448","468:4680003383","481:4810003162","480:4800005566"],"twin_admin_codes":[499,469,494,468,489,480,480,466,468,500,469,480,467,469,469,473,468,472,479,472,480,473,468,481,480],"twin_sims":[0.006178353174086208,0.005414683860321339,0.004899157908129599,0.004485504728452107,0.0036996442274970878,0.0034328812806488475,0.0029485990823174117,0.002774067662183348,0.0019336330462670162,0.0018129970883445463,0.0016685208704062839,0.001555727565557711,0.0013187122260300687,0.0013001253875266298,0.0012461096894545185,0.0011712571373216486,0.0011663380691131805,0.001139731713124329,0.0010154353915796342,0.0009692864066559067,0.0007960085240802864,0.0006159751003688441,0.0005344312134605057,0.0004768426665249571,0.00047419150857086186],"twin_dists":[0.41424479160591415,0.4195826735139348,0.42358567295232596,0.4270838838279092,0.43462448639684376,0.4375191922746538,0.4433430740115747,0.4456584155754521,0.4591152085855186,0.4614758338221773,0.46450124672577653,0.46703602239289616,0.47296784903998457,0.4734738112521485,0.47498311527257947,0.4771779417018738,0.47732668719724003,0.4781414359515193,0.4821978523789612,0.4838221378901493,0.49064032779732103,0.49937725028436947,0.5041508635364005,0.5079511893225339,0.5081362939121407],"n_dims_used":43,"mean_confidence":0.9191500641578851},"coverage":{"mean_confidence":0.9191500641578851,"n_dims_used":43,"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}}