{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002829},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004081","490:4900003937","490:4900004499","490:4900003380","490:4900003945","490:4900003807","490:4900004360","490:4900003667","490:4900003947","490:4900001104","490:4900004070","490:4900004214","490:4900003938","490:4900004213","490:4900004080","490:4900002545","490:4900001234","490:4900001117","490:4900004072","490:4900004071","490:4900004075","490:4900003943","490:4900001232","490:4900003269","490:4900003936"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.057513201962528675,0.031241023086739116,0.025779902152594236,0.020231299504913116,0.01704141545119149,0.013015886728154841,0.012661564298978602,0.011636583441226114,0.011570250609348376,0.010914521187399199,0.008577048413930219,0.008550701271774897,0.008129501645406451,0.005493910535955267,0.00523496847983189,0.004720649714161954,0.004227059417050862,0.004186970553865554,0.0038724709573425054,0.0031770149639251295,0.003165928351557833,0.0030377812582920907,0.002929687329031634,0.002868247801010767,0.002855090400873107],"twin_dists":[0.31038321975181615,0.3419436766217024,0.35129356694438063,0.3627440880438951,0.3706367891569147,0.3827039798363669,0.3839184880120642,0.38760959244521814,0.3878582820873094,0.39038729110677495,0.4006650217034937,0.4007945186805531,0.4029147716281723,0.41899832365683937,0.4209373969436893,0.42506111561095855,0.4294212556824877,0.42979539036890485,0.4328489866611252,0.4404952514297231,0.440629089282384,0.4422079587051979,0.44358781147495857,0.4443929950005362,0.4445674754099914],"n_dims_used":45,"mean_confidence":0.9152394612630208},"coverage":{"mean_confidence":0.9152394612630208,"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}}