{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001655},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001657","480:4800001945","480:4800001551","480:4800001886","480:4800001546","480:4800001490","480:4800001497","480:4800001547","480:4800001708","480:4800002106","480:4800001659","480:4800001544","480:4800001545","480:4800001711","480:4800001824","480:4800001710","480:4800001598","480:4800001766","480:4800001709","480:4800001652","480:4800001342","480:4800001654","480:4800001891","480:4800001548","480:4800002357"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.46623850636291925,0.40895673364726404,0.2612609718483279,0.25155823614123224,0.2488612071216434,0.24816149811574878,0.21483277130143955,0.2141163730712972,0.19853089329030177,0.19680777100073318,0.17079626771305412,0.1621813767388461,0.15861323743067685,0.13975979263674349,0.11788434470065912,0.10977049006673965,0.10605392147307371,0.10474203974023515,0.10455540659336945,0.10002957374518427,0.09351488698143222,0.0934263255253467,0.09127422949887846,0.08830791391261242,0.08819708674201751],"twin_dists":[0.1604418301869179,0.1736772932956875,0.21279097333360275,0.21577001650143265,0.2166110178583767,0.21683015653820356,0.2277729976612516,0.22802022069224565,0.2335438375190638,0.234172582637873,0.24416982857563121,0.24771936827710336,0.2492295478107965,0.2576514810522157,0.2685640645557521,0.2730061534809897,0.2751260121945207,0.2758880613715298,0.2759970757918663,0.2786883413862902,0.2827349772556254,0.2827914962556332,0.28417812753360633,0.28613242191639565,0.2862064410054679],"n_dims_used":43,"mean_confidence":0.9199114954748819},"coverage":{"mean_confidence":0.9199114954748819,"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}}