{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011101},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011019","490:4900011178","490:4900012050","490:4900011317","490:4900009526","490:4900010771","490:4900012114","490:4900010769","490:4900009617","490:4900011632","490:4900010322","490:4900011365","490:4900008115","490:4900011584","490:4900010840","490:4900005296","490:4900011161","490:4900008224","490:4900007307","490:4900009525","490:4900008776","490:4900012096","491:4910005159","490:4900005313","490:4900004642"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490],"twin_sims":[0.05265926451761592,0.009020224666804976,0.00698243434762319,0.00625607621069606,0.005363523624336979,0.004607442180727325,0.0017983493648042951,0.00104919891625941,0.0010379606945589027,0.0006752785570476645,0.0005490202319039444,0.00033354624144661015,0.0002977916501143694,0.00029474458939588284,0.00022398610491637707,0.00017932706078972206,0.0001457912504963956,0.00013606372482059912,0.00013158508682888453,0.00012485909554697718,0.00011827569774378468,0.00011361325086296523,0.00008853492394344876,0.00008349160933928059,0.00006845536103496169],"twin_dists":[0.3151384077567701,0.39853848318306473,0.40923274385893965,0.41373544047920163,0.4199641361705537,0.426023257012476,0.4617722436734356,0.481052307916007,0.4814297594262561,0.4962628144067859,0.5032489837090454,0.5196839301834862,0.523351206712178,0.523682579626562,0.5324513931655963,0.5394498842930667,0.5458850347139488,0.54801454346738,0.5490437420076301,0.5506532669172759,0.5523100123697472,0.5535369007487848,0.5610852464006563,0.5628456537202754,0.5687651087252755],"n_dims_used":44,"mean_confidence":0.8912952596491034},"coverage":{"mean_confidence":0.8912952596491034,"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}}