{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002622},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003263","480:4800003418","480:4800003309","480:4800003260","480:4800002924","480:4800003266","480:4800003217","480:4800003369","480:4800003168","480:4800003779","480:4800003409","480:4800002785","480:4800002914","480:4800002830","480:4800003312","480:4800003710","480:4800003406","480:4800003370","480:4800003129","480:4800002573","480:4800002933","480:4800003541","480:4800003421","480:4800002623","480:4800002959"],"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":[0.6566314315646584,0.5932926208007174,0.5799402919300949,0.5544679184165648,0.49851572290381296,0.46570168619263586,0.46112040255751713,0.44964646828959975,0.4423789073190027,0.44014990869674203,0.4174570424433369,0.4119691484548645,0.4035525308876819,0.39506313423666795,0.3940375469692348,0.39080497615467863,0.38633396554054905,0.3738777621767813,0.35742392232583936,0.3447972768415554,0.33772565685587125,0.3322481575481742,0.33137378208214935,0.33048699977577856,0.32517972084235763],"twin_dists":[0.11912151480451938,0.1327095544363142,0.13557181197659302,0.14104947294169212,0.15324310618486686,0.16056290033742696,0.16159811173429953,0.16420713361819547,0.16587250093835607,0.1663853791182165,0.171667705504004,0.1729630579438294,0.174964469470319,0.17700226882380252,0.17724980332036802,0.1780319761509522,0.17911882182152813,0.18217889953584215,0.18629930421268784,0.1895276542441988,0.19136302810325465,0.19279893901625023,0.19302934359362045,0.19326335757863272,0.1946711787643003],"n_dims_used":43,"mean_confidence":0.9210705424464026},"coverage":{"mean_confidence":0.9210705424464026,"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}}