{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000592},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000669","480:4800000483","480:4800000778","480:4800000668","480:4800000482","480:4800000555","480:4800000704","480:4800000557","480:4800000552","480:4800001216","480:4800000554","480:4800000741","480:4800000667","480:4800000740","480:4800000738","480:4800000358","480:4800000813","480:4800001831","480:4800000815","480:4800000701","480:4800001224","480:4800000897","480:4800000853","480:4800000481","480:4800000773"],"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":[0.7272303709575356,0.6476387800651215,0.6070239221500608,0.5354442742889304,0.5350228541548905,0.5144988458445635,0.4471530094562906,0.4363698010361474,0.4132257882006692,0.3948716609492919,0.37035309923251913,0.35982783272983876,0.34232850492635364,0.2837175521932936,0.24405370649424674,0.22798924369705986,0.22167374510507276,0.20119191128154054,0.19957173531872674,0.19529435709320977,0.19459600358832882,0.1885101058117699,0.18695160738304603,0.1746142156239331,0.16953991388332845],"twin_dists":[0.10365773738458671,0.12105837428291026,0.1297688665565041,0.14516441095403865,0.14525586916700148,0.1497292280071843,0.16477735072520858,0.16725748861052453,0.17266578712705002,0.17704846001359034,0.18305378502353084,0.18569141580515958,0.19016609533144987,0.20615103579801525,0.21812473068931154,0.2233279953563028,0.2254397095861994,0.23258022716162915,0.23316587249620838,0.23472795930098622,0.23498524058946244,0.23725503629709294,0.2378445124916542,0.24263781551827748,0.24467932206344636],"n_dims_used":43,"mean_confidence":0.9258178888365279},"coverage":{"mean_confidence":0.9258178888365279,"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}}