{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001391},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001330","480:4800001449","480:4800001620","480:4800001265","480:4800001613","480:4800001660","480:4800001662","480:4800001377","480:4800001275","480:4800001380","480:4800001951","480:4800002112","480:4800001726","480:4800002108","480:4800001339","480:4800001607","480:4800001716","480:4800002154","480:4800002497","480:4800002215","480:4800002448","480:4800002059","480:4800001713","480:4800002009","480:4800001271"],"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":[0.6979920658184872,0.4746820470112882,0.46791886932696714,0.4147864917367103,0.33162626162771847,0.32569147029503953,0.31544605159656897,0.3143802881744347,0.31266923018954745,0.2888509645461405,0.28497408287794457,0.25687211714757885,0.24966724895065637,0.24152174785691533,0.2338842116963381,0.20593477559098722,0.1997088837524846,0.1962274810762721,0.1914180139899297,0.18663623464436802,0.18509968739213115,0.18043405687263145,0.1766348357609843,0.17557947255449566,0.17291700501387505],"twin_dists":[0.11013288266989558,0.1585437263558829,0.16006316410635946,0.1722971327290156,0.1929627792114207,0.19453488043955527,0.19728679354556344,0.19757592940251284,0.19804129733746703,0.2046786004235658,0.20578915087710772,0.21412966572476727,0.21635906586466888,0.21892969380324162,0.22139155782653427,0.2308842421304671,0.2331161707517764,0.23438518025223423,0.23616422534179726,0.23796421597745707,0.23854947237017585,0.24034781220112722,0.2418366706034782,0.24225428644812902,0.2433158599867471],"n_dims_used":43,"mean_confidence":0.919541735981786},"coverage":{"mean_confidence":0.919541735981786,"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}}