{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011186},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010949","490:4900011595","490:4900011461","490:4900011530","490:4900011034","490:4900011601","490:4900011724","490:4900011729","490:4900012189","490:4900011111","490:4900011660","490:4900011657","490:4900011113","490:4900010786","490:4900011119","490:4900011920","490:4900011197","490:4900011269","490:4900011731","490:4900011789","490:4900009375","490:4900011462","490:4900011188","490:4900011035","490:4900011401"],"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":[0.4427988864662449,0.39659822295891917,0.36281282786159436,0.3453768545494275,0.33178347662961155,0.32434038670740584,0.3229236868568529,0.310910177074045,0.3063713116270365,0.3008448931183792,0.2986328758566065,0.2973616615654693,0.2726728293068518,0.27110340428882745,0.25944550008351175,0.2476416106367874,0.24677669681842887,0.2454108965702988,0.2367125055877909,0.23325826763187205,0.22834201368044132,0.22790491774169308,0.22179923635979173,0.214556188466525,0.21156918347383813],"twin_dists":[0.16577597880275133,0.1766323149901568,0.1849394643820408,0.189378123824161,0.19292134463307706,0.19489498335161776,0.19527347174756918,0.19852123446235026,0.19976684495346772,0.20129795197709036,0.20191538548492755,0.20227142867878417,0.20937464272767514,0.20983915123690053,0.21334299968231607,0.21699323439324084,0.21726502743185827,0.2176954702900045,0.22047386245963962,0.22159563899549725,0.22321119084937485,0.22335593395377848,0.22539736144314182,0.22786837801725449,0.22890379126468377],"n_dims_used":45,"mean_confidence":0.9165824890136719},"coverage":{"mean_confidence":0.9165824890136719,"n_dims_used":45,"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}}