{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001752},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001868","480:4800001812","480:4800002462","480:4800002284","480:4800002412","480:4800002331","480:4800002379","480:4800001860","480:4800002512","480:4800001808","480:4800002509","480:4800002094","480:4800002033","480:4800002186","480:4800001934","480:4800002414","480:4800001364","480:4800002427","480:4800001304","480:4800001872","480:4800001430","480:4800002330","480:4800001930","480:4800001977","480:4800002504"],"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":[0.7844887955495492,0.7811317163721441,0.7668208897418605,0.6682365403862511,0.6460769256161562,0.6417054064295724,0.6380481351157733,0.6259112289681271,0.6241552839384406,0.62314256823171,0.6015005864185057,0.6013283762354196,0.5975642438864454,0.5781461470234794,0.5772143294864995,0.5580465102240655,0.556346115302647,0.5484648266837503,0.5440850203140097,0.5302986977875398,0.5296888508144015,0.525271591423697,0.5100799027772122,0.49370940666262614,0.48727575630177955],"twin_dists":[0.0904886897749132,0.0912845804389835,0.09463957105443055,0.1166144266492374,0.12139433041290296,0.12233403899943066,0.12311958253870334,0.12572316256011237,0.12609951170387004,0.12631653591590195,0.13095158559242345,0.13098846302981693,0.13179457686794366,0.13595676614444788,0.1361567390026866,0.14027803054976692,0.14064449599013584,0.142345297152824,0.1432922065605818,0.14628213272692217,0.14641475294534648,0.14737633937367814,0.15069782785664543,0.15430577771542042,0.15573300422822225],"n_dims_used":42,"mean_confidence":0.9109816778273809},"coverage":{"mean_confidence":0.9109816778273809,"n_dims_used":42,"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}}