{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001275},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002739","490:4900004272","490:4900003707","490:4900004277","490:4900003563","490:4900001978","494:4940008097","490:4900003850","490:4900005242","490:4900001405","494:4940008506","490:4900003449","494:4940008103","494:4940008584","490:4900003326","490:4900003712","490:4900004964","490:4900001406","490:4900001698","490:4900005892","494:4940008741","494:4940008739","490:4900001974","490:4900001979","490:4900001009"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,494,490,494,494,490,490,490,490,490,490,494,494,490,490,490],"twin_sims":[0.505431045991256,0.4545812194159844,0.4381784612956086,0.4000404307231975,0.3702147683030334,0.3647441950455943,0.3374715894578243,0.33389165483007244,0.3289871724136227,0.3214812937692301,0.31418562280954027,0.2882978185499869,0.27882490920080233,0.2725092555475112,0.2653455239371937,0.2644182517894781,0.25938840639716687,0.25274143493741663,0.25129000363160187,0.24789773611859686,0.2443486158884177,0.24411214230949096,0.23151527372150038,0.22979182556720862,0.22758800550159466],"twin_dists":[0.15171915786955487,0.16308209420432543,0.16683984243243744,0.1758051273235513,0.18308820515948246,0.1844546041142554,0.19142935087972024,0.19236675911938453,0.19365993413703336,0.19565977693884362,0.19762880112106843,0.20483650324185487,0.20756943944032194,0.20942297926642017,0.21155772155876068,0.21183664692136167,0.21336039936458112,0.21540288127222434,0.21585339944184795,0.21691286575479116,0.21803132427149247,0.21810621657558873,0.2221658224484238,0.22273239707536865,0.22346099349867657],"n_dims_used":45,"mean_confidence":0.9201349894205729},"coverage":{"mean_confidence":0.9201349894205729,"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}}