{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003200","490:4900002761","490:4900002008","490:4900002910","490:4900002299","490:4900003881","487:4870003975","496:4960005269","490:4900003869","490:4900003223","490:4900000679","490:4900004600","490:4900003203","490:4900001845","496:4960008263","490:4900004442","490:4900004025","487:4870000759","490:4900000334","490:4900004462","490:4900000915","490:4900001993","496:4960007545","490:4900003876","490:4900000499"],"twin_admin_codes":[490,490,490,490,490,490,487,496,490,490,490,490,490,490,496,490,490,487,490,490,490,490,496,490,490],"twin_sims":[0.5553410299340014,0.4685761039774965,0.448362046069363,0.41075526925620914,0.3953183872174049,0.37633855474989447,0.3618308440612019,0.34932044142743224,0.34720271338026426,0.33682477764318663,0.3255623789327429,0.3217680905811083,0.32044173970549605,0.31993558923127685,0.31816390299246816,0.3142197993887721,0.31266339506366003,0.30014131219389395,0.2889444711662538,0.2832318116390687,0.28037691818720367,0.2762997843073119,0.27507791658486885,0.2657173602665578,0.2648471588042599],"twin_dists":[0.1408611870541758,0.15991518439910812,0.16450071280587328,0.173250589091743,0.17694070742996917,0.18157049076138376,0.1851864878594313,0.1883641831976119,0.1889079202873151,0.1915983190077257,0.19456925116729915,0.19558288931447446,0.19593879420934468,0.19607482910061252,0.19655194874328483,0.19761951730941665,0.19804288683304802,0.20149405152601718,0.20465192558460066,0.20629118956018405,0.20711788128364722,0.2083074086668978,0.2086659795741671,0.21144604310523127,0.21170755511595502],"n_dims_used":45,"mean_confidence":0.9052885267469618},"coverage":{"mean_confidence":0.9052885267469618,"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}}