{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007198},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007439","490:4900007449","490:4900005593","490:4900005591","490:4900007448","490:4900005977","490:4900007684","490:4900007437","490:4900007919","490:4900007204","490:4900005461","490:4900008140","490:4900009022","490:4900006950","490:4900007685","490:4900006230","490:4900006104","490:4900007082","490:4900007806","490:4900007205","490:4900005851","490:4900009021","490:4900007918","490:4900008252","490:4900005718"],"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":[0.008104446948861978,0.0018515912461433614,0.0015226605645177486,0.0009014554384977117,0.0004601166758026569,0.0003292947398542339,0.00030377576710188635,0.00012726949384757455,0.00009207958114126583,0.000041891864896360656,0.000032116612119971005,0.000021576015266580583,0.000019862755014882053,0.000018674683489683397,0.000016980156482666848,0.00001684000071029808,0.000015058931662919718,0.000010715293938684846,0.000007405305205796023,0.000005948512690823314,0.000004815707330299788,0.0000042323491389573965,0.000002127350940766551,0.0000017960347168197201,0.0000017506613256373786],"twin_dists":[0.40304397093940614,0.4607052783809002,0.46781129624104223,0.4863448389084417,0.5091355035748759,0.5201001315269458,0.5227095823347795,0.5500672494349299,0.5599038825824174,0.583147118569037,0.5907829588124064,0.6020331337624807,0.6043467308147267,0.6060657142474462,0.608707331194033,0.6089369593299486,0.6120255608254062,0.6213334059038175,0.631283903627836,0.6371099990102588,0.6426786906384178,0.6460587636199869,0.6637751013468911,0.6680632853396762,0.6687090157044981],"n_dims_used":45,"mean_confidence":0.9073552449544271},"coverage":{"mean_confidence":0.9073552449544271,"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}}