{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001553},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001557","480:4800001618","480:4800001442","480:4800001376","480:4800001614","480:4800001556","480:4800001612","480:4800001377","480:4800001957","480:4800001613","480:4800001332","480:4800001611","480:4800002450","480:4800000326","480:4800002388","480:4800001714","480:4800001564","480:4800001448","480:4800001436","480:4800001334","480:4800002246","480:4800001445","480:4800001615","480:4800001955","480:4800002529"],"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":[0.5902453033476155,0.5138451729918034,0.4984255308139973,0.4816625594904934,0.4514267000376546,0.38960419275343156,0.38033571255808846,0.3019463849976617,0.2895299334227171,0.2550239396752572,0.24123533832730287,0.23963228527093866,0.23783071021711139,0.23356594882126647,0.2293156382384666,0.226957758081391,0.21479574175128274,0.21431285536795242,0.21201832904418969,0.1907319211669563,0.18781396413213994,0.18768713993547131,0.18303122044220138,0.18210413112283338,0.16472590503106446],"twin_dists":[0.13336245189663734,0.1498723761211132,0.15326302059316332,0.15698290835196904,0.16380074601064654,0.1783232940391144,0.18058634968157117,0.20099148486377072,0.20448502652838452,0.2146977188421363,0.219021092758296,0.2195339630339423,0.22011301600269945,0.22149527857615836,0.22288943511345777,0.2236702150609029,0.2277857625966742,0.2279523607759336,0.22874747032580328,0.23642054240407281,0.23751791648042944,0.23756588191480685,0.23934275617889977,0.2397003596361237,0.24665708249525656],"n_dims_used":43,"mean_confidence":0.9189091172329215},"coverage":{"mean_confidence":0.9189091172329215,"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}}