{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010266},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010175","490:4900010265","490:4900005478","490:4900010357","490:4900010274","490:4900011257","490:4900011022","490:4900010693","490:4900009270","490:4900008599","490:4900009374","490:4900010450","490:4900010779","490:4900009271","490:4900008489","490:4900009164","490:4900002412","490:4900010264","490:4900008719","490:4900007477","490:4900010953","490:4900011323","490:4900008931","490:4900010876","490:4900007697"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3881574657536025,0.3620896952465923,0.3254270497845249,0.2714224275991168,0.2275458877063525,0.1963871611117959,0.1596217481847018,0.15236305064276245,0.14677013817766416,0.12384667068550637,0.11526610993801734,0.09948575325689094,0.09193413718486289,0.08323637853975327,0.07810684636862558,0.07793017716040926,0.07744856263363945,0.07666826792932357,0.06813002922580823,0.06463003603289716,0.06186387540426861,0.05438810590452472,0.05295456611616242,0.049976010383171565,0.04660543605578163],"twin_dists":[0.1786748401477537,0.18512133941212303,0.19460529082678418,0.20974459480554963,0.22347496325529578,0.2343266357747959,0.2488002225481392,0.2519356921175359,0.25442724328766514,0.26544712225528383,0.2699710326417846,0.2790180895668152,0.28375021608907397,0.28959802046014965,0.29327934331584066,0.2934095499785768,0.2937657133931835,0.29434655770909635,0.30103646634680004,0.30397711371399017,0.30639474571920167,0.31340464542444874,0.3148389546145111,0.31792532696975223,0.32160857294106154],"n_dims_used":44,"mean_confidence":0.9192338423295454},"coverage":{"mean_confidence":0.9192338423295454,"n_dims_used":44,"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}}