{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012436},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012507","490:4900012225","490:4900012437","490:4900012581","490:4900012435","490:4900012584","490:4900012226","490:4900012295","490:4900012509","490:4900012297","490:4900012506","490:4900012292","490:4900012439","490:4900012296","490:4900012654","490:4900012366","490:4900012293","497:4970000325","490:4900012510","490:4900012365","490:4900012294","490:4900012364","490:4900011822","497:4970000778","490:4900012363"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490,497,490],"twin_sims":[0.3900667118985835,0.3127590496210116,0.2567952849163539,0.25074057915852455,0.23494530887421927,0.2153194208798399,0.20166919495298036,0.19392061843709701,0.1758009573459895,0.14511770754129813,0.12360532900975303,0.11928472379358966,0.11100439322174951,0.10662078764753961,0.10060555912309202,0.09936939073279615,0.0979860997061262,0.09492170425641301,0.08824262091632998,0.07911395050241003,0.07554766404080719,0.07344399507622208,0.06294341777651569,0.06008707073891114,0.05849537411386377],"twin_dists":[0.17821103410842376,0.19801683254471253,0.21415322914870816,0.21602437137880479,0.22104641707622275,0.22760537617854515,0.23240832281271884,0.2352346707750461,0.24216649518140387,0.2551767693028553,0.2655710417975643,0.26782134759236176,0.27231465449607045,0.2747989954897791,0.27834061665675597,0.2790888298232274,0.2799347881816887,0.281842772677857,0.2861760207742105,0.29254158667872227,0.2951891111515296,0.29679842011405244,0.30544088826838034,0.3079948529000723,0.3094616407394267],"n_dims_used":45,"mean_confidence":0.8912202623155382},"coverage":{"mean_confidence":0.8912202623155382,"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}}