{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001945},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001657","480:4800001824","480:4800001544","480:4800001882","480:4800001652","480:4800001342","480:4800001551","480:4800001891","480:4800001767","480:4800001826","480:4800001709","480:4800001940","480:4800001659","480:4800001655","480:4800001708","480:4800001886","480:4800001490","480:4800001768","480:4800001766","480:4800001497","480:4800001658","480:4800001329","480:4800001546","480:4800001545","480:4800001598"],"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":[0.8729427170229743,0.5971568719695197,0.5667473787881405,0.5286141408622095,0.5149357435862929,0.4843955238816782,0.48352944698979633,0.47597978847080613,0.4575052300319615,0.45212527187087137,0.45204492044215455,0.4303234321874915,0.41697203719012205,0.40895673364726404,0.4017518144353564,0.3854831914576241,0.37030300299248575,0.3663764884810318,0.3563545489228083,0.3469933569659854,0.3421220875640034,0.31360934512818284,0.3120106529528342,0.30664920012511004,0.29723864566386266],"twin_dists":[0.06770568698822221,0.13188182597324946,0.13840521439194797,0.1466485438700847,0.14963357669904256,0.15637379153255052,0.1565667042196306,0.15825299666077436,0.16241758416119598,0.16364144040016307,0.1636597594736577,0.1686587300993819,0.17178188857962112,0.1736772932956875,0.1753950751404876,0.1793263060073754,0.18306624946192745,0.18404583360056911,0.18657039630415667,0.1889617683101235,0.19021958718602108,0.19778542914927463,0.19822080149183602,0.19969027945624304,0.2023059305173845],"n_dims_used":43,"mean_confidence":0.9201033836187318},"coverage":{"mean_confidence":0.9201033836187318,"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}}