{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001646},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001584","480:4800001875","480:4800001427","480:4800001414","480:4800002149","480:4800001473","480:4800001237","480:4800001310","480:4800001483","480:4800001424","480:4800001698","480:4800002513","480:4800001530","480:4800001486","480:4800002332","480:4800001927","480:4800002098","480:4800001923","480:4800002146","480:4800001356","480:4800002369","480:4800002270","480:4800001481","480:4800002518","480:4800001371"],"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":[0.8680194705848597,0.8577105482547652,0.7521516420674569,0.6830737315719616,0.6763144742334226,0.674221416091568,0.6607611232165602,0.6478202287310737,0.6409122162989911,0.6401106405522601,0.6370479278807677,0.6281566261540041,0.6200621595308375,0.6083915246164817,0.6021075669410033,0.5966533103448325,0.5893557121023731,0.5741394556083664,0.5340517204659028,0.5267978310570528,0.5213593734807626,0.5154136775815745,0.5144996128543948,0.5087014627605466,0.5063447951770826],"twin_dists":[0.06910033897731316,0.07195763748279697,0.09802165809008029,0.11339351418662046,0.11486326282191668,0.1153175328740676,0.11823043062848024,0.12101933669400343,0.12250445412547074,0.12267664433057118,0.12333432560504906,0.1252418056813216,0.12697654654788465,0.1294760249481247,0.13082160689361985,0.13198967905587755,0.1335530810330651,0.1368168342796018,0.14546668348268393,0.14704389524860856,0.14822949089994197,0.1495289641238475,0.14972906006586814,0.15100040913677998,0.15151821723436465],"n_dims_used":43,"mean_confidence":0.9134305022483649},"coverage":{"mean_confidence":0.9134305022483649,"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}}