{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001229},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001228","480:4800001585","480:4800001356","480:4800001486","480:4800001237","480:4800001310","480:4800002270","480:4800001473","480:4800001414","480:4800001875","480:4800001371","480:4800001427","480:4800001927","480:4800001312","480:4800001925","480:4800001980","480:4800001374","480:4800001249","480:4800001646","480:4800001581","480:4800002367","480:4800002079","480:4800001412","480:4800002317","480:4800001698"],"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":[0.5787556994725103,0.560860109429506,0.5529403670362714,0.5450961586336918,0.5416751699054364,0.5353921550708739,0.4925934239278139,0.4372692606199914,0.43473544777726814,0.42892765911168756,0.4226403688661271,0.41874274516518933,0.4128412207452373,0.3911970303606669,0.38664398957123264,0.3837971347607583,0.37812272650331774,0.36460401332822917,0.3583764138551273,0.3555351645119734,0.35486493870810315,0.3515360524229226,0.350898745314226,0.3489723594664815,0.3478860881784888],"twin_dists":[0.13582596834840904,0.13967199727040364,0.14137899731576278,0.14307348214315346,0.14381378821384969,0.1451757212864159,0.15455294739280118,0.16704970479096776,0.16763547613987165,0.16898332840643454,0.17045091617036714,0.17136529098410852,0.17275671862290984,0.17793695202600043,0.17904326801643317,0.17973814126291693,0.1811305853020042,0.18448975232916226,0.18605819319218025,0.1867783985868061,0.18694872081397515,0.1877971618945959,0.1879600701900523,0.1884534357142846,0.18873227023544273],"n_dims_used":43,"mean_confidence":0.9129982881767805},"coverage":{"mean_confidence":0.9129982881767805,"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}}