{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000320},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940007541","490:4900000311","490:4900000649","490:4900000460","490:4900000255","490:4900000650","494:4940007745","490:4900000878","494:4940007744","494:4940007533","490:4900000256","494:4940007848","490:4900000318","490:4900000384","466:4660011943","490:4900000548","490:4900000877","494:4940005460","494:4940006354","490:4900003411","494:4940006995","494:4940007105","494:4940007850","494:4940006679","494:4940007641"],"twin_admin_codes":[494,490,490,490,490,490,494,490,494,494,490,494,490,490,466,490,490,494,494,490,494,494,494,494,494],"twin_sims":[0.05716486089899334,0.048987361096310106,0.04892723227388165,0.042198221316169814,0.035911741841841205,0.023572102881048974,0.021957262585596844,0.01840236119520448,0.017110687999778846,0.01586532598382397,0.015490504899851454,0.013437279760130606,0.013080704395323937,0.01294858734440057,0.012544143094632249,0.011333227127965287,0.011153631222852019,0.010546821394665104,0.010305045082827242,0.010050250993915846,0.009644827811221396,0.009231244946260462,0.008983154756602519,0.00885539382338924,0.008288623043753334],"twin_dists":[0.3107131896524249,0.3189836361082602,0.31904857433241485,0.3267770737593371,0.33500020544914094,0.35556643055677656,0.3589171312382436,0.36712355767143057,0.37045212539833394,0.3738770160971423,0.3749541016146406,0.3812970898422888,0.38248497712172735,0.38293239117416705,0.38432761497260554,0.3887573799892439,0.3894498314139505,0.3918651730462764,0.3928621318116414,0.39393557535070833,0.3956946979314503,0.39755857051136206,0.3987127363198575,0.39931826386984043,0.4021024628603404],"n_dims_used":45,"mean_confidence":0.9118515014648437},"coverage":{"mean_confidence":0.9118515014648437,"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}}