{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009317},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009413","490:4900009124","490:4900009017","490:4900009740","490:4900009227","490:4900009310","490:4900009316","490:4900009025","490:4900009110","490:4900007803","490:4900008370","490:4900009235","490:4900009422","490:4900009125","491:4910005255","490:4900008034","490:4900009319","490:4900009205","490:4900009225","490:4900011715","490:4900009228","490:4900006566","490:4900009139","490:4900008243","490:4900008996"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.07399734482419358,0.05481775865638491,0.03588614846305524,0.01322266488324459,0.013035201499026462,0.009449584929233552,0.00874616596524682,0.005259681068766007,0.005035081965391427,0.004297142697362859,0.004036174822110383,0.0035875258918941747,0.0027449637728354554,0.002723368590386886,0.0026498642087164443,0.0013985352663672419,0.000877735753834785,0.0007882259768607042,0.0007873282061530659,0.0007056810839889516,0.0006107297121527984,0.00040590193279809177,0.0004002218831681377,0.00029785084860289634,0.00027574278188545394],"twin_dists":[0.2963715349861226,0.31298086600959685,0.33503609973424286,0.3820086622679049,0.38263861930608434,0.39656550887990205,0.3998421797250113,0.42074863750828745,0.42249452172627044,0.4287748701873293,0.43123250110340294,0.43581715566844587,0.4460574160341333,0.44635598580320957,0.4473887444831235,0.47086728664224425,0.4872687561609785,0.49097798096197487,0.4910171308471605,0.4947637466450425,0.4996660279461191,0.5132720899998389,0.5137349949337024,0.5233448003415679,0.5258246405326816],"n_dims_used":45,"mean_confidence":0.8794423421223958},"coverage":{"mean_confidence":0.8794423421223958,"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}}