{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002214},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002207","480:4800002346","480:4800002117","480:4800002108","480:4800002159","480:4800002112","480:4800001831","480:4800002254","480:4800001942","480:4800001733","480:4800001613","480:4800001951","480:4800002210","466:4660005062","480:4800002222","480:4800002265","480:4800002391","480:4800001713","480:4800002498","480:4800002128","480:4800002009","480:4800001449","470:4700004373","480:4800001893","480:4800002167"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,466,480,480,480,480,480,480,480,480,470,480,480],"twin_sims":[0.5174568078624859,0.41911022382412433,0.39041874712285823,0.3579657017011623,0.34471770811070435,0.29400104971011715,0.27460308606564376,0.26986666627946765,0.2624040503911545,0.2576643529782286,0.2565843343466389,0.2496781395198041,0.23935358763316303,0.23679119971286908,0.23591254226087022,0.23337797202727603,0.22481631895610993,0.2231321190370607,0.21676337232920972,0.2146617675820736,0.2104243347272607,0.19840406233849198,0.1976759895414304,0.19302561847166982,0.1896834885715208],"twin_dists":[0.1490820205850396,0.17127892780661125,0.17812563201725248,0.1861621193164654,0.1895481932913958,0.20321700873311604,0.20880558708608868,0.21020636297845655,0.2124446344476665,0.21388695682097508,0.2142179478130165,0.21635566526477698,0.2196233549387531,0.2204484313939968,0.22073269536244836,0.22155658311839005,0.22438399575777057,0.22494855232940925,0.2271095199899437,0.22783195897839867,0.22930326599104697,0.23358998758099217,0.23385530710827254,0.23556614033119697,0.23681347245434267],"n_dims_used":43,"mean_confidence":0.9195942546046058},"coverage":{"mean_confidence":0.9195942546046058,"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}}