{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000291},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000181","490:4900000432","490:4900000727","490:4900000095","490:4900000189","490:4900000523","490:4900000349","490:4900000956","496:4960009081","490:4900000191","490:4900000620","490:4900000294","490:4900000431","490:4900000616","490:4900001885","490:4900000707","490:4900000078","490:4900000120","490:4900000157","490:4900000358","496:4960006511","490:4900000355","490:4900000618","490:4900000175","496:4960008875"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,496],"twin_sims":[0.7986908062130257,0.7318221761940925,0.6469555181866294,0.6380396272599606,0.6224327548797052,0.603562561419455,0.5985580284970322,0.5981560890299603,0.5694263621850038,0.5640416016647469,0.557306829990297,0.5311284424081808,0.5274395862751408,0.5172184942990418,0.5135054496218203,0.5098168366176261,0.45225859837875076,0.450080752526622,0.44930736058166076,0.4400693042954763,0.4400302102811816,0.43793081134228085,0.42306527124012727,0.42047135691969284,0.41815139049848093],"twin_dists":[0.08708011912111449,0.10262841464203584,0.1212053592159258,0.12312140932148286,0.12646863629755706,0.13051004184667353,0.1315817395615144,0.1316678211520178,0.13782930280361436,0.1389872162342477,0.14043742491478603,0.14610174432597048,0.1469041721815389,0.1491341306012752,0.1499467901883395,0.15075555715906594,0.1636110463603947,0.16410794082954897,0.16428461253088492,0.16640394459949748,0.16641294953914415,0.16689698812909576,0.1703514500796711,0.17095932012276754,0.17150433626198128],"n_dims_used":45,"mean_confidence":0.9157930162217882},"coverage":{"mean_confidence":0.9157930162217882,"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}}