{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003365},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003497","490:4900003629","490:4900002515","490:4900002214","490:4900002517","496:4960011056","490:4900002060","496:4960010980","490:4900002365","490:4900001909","496:4960010597","490:4900001102","490:4900002815","467:4670000589","467:4670000462","496:4960010260","490:4900002516","496:4960010676","488:4880000640","496:4960010753","490:4900001908","496:4960011057","496:4960011133","496:4960010259","490:4900002061"],"twin_admin_codes":[490,490,490,490,490,496,490,496,490,490,496,490,490,467,467,496,490,496,488,496,490,496,496,496,490],"twin_sims":[0.9488218976954758,0.8056026700673711,0.5137992696993137,0.5078662045579126,0.47906939992747893,0.46030547122282495,0.4212133698907258,0.377107925282348,0.35665685965020316,0.3454869428572814,0.2850824839377768,0.27629624500070343,0.2725848894380697,0.26380810547463907,0.24134327841038086,0.20581560106109997,0.19078125545535188,0.17497549832682535,0.16253518814848325,0.15968029766031214,0.15949446265956338,0.15744191029056268,0.14898627582835453,0.13424969805273412,0.13073510394527957],"twin_dists":[0.04209783759179392,0.08539474658407568,0.1498824302046103,0.15118386026427014,0.15756187461084303,0.16178263632445825,0.1707852724601525,0.18138067040495243,0.1864937164434453,0.18934973619035728,0.2057579760761004,0.20830844591420813,0.20940062700551643,0.21202051328097826,0.2189866386838225,0.2309265277873131,0.23640209017848593,0.24249408912582868,0.24757094042083638,0.24877535860877056,0.24885429921365568,0.24973068781667077,0.2534317571457371,0.2602714403841017,0.2619850170677982],"n_dims_used":45,"mean_confidence":0.9174787733289931},"coverage":{"mean_confidence":0.9174787733289931,"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}}