{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001075},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000426","496:4960005707","490:4900000730","490:4900000332","490:4900000163","487:4870004559","490:4900000298","487:4870004408","490:4900000207","490:4900000947","487:4870004568","494:4940008035","487:4870006881","490:4900000810","490:4900000558","487:4870003542","490:4900000585","496:4960006234","496:4960005277","490:4900000579","490:4900000411","496:4960008768","490:4900000030","490:4900000052","490:4900003078"],"twin_admin_codes":[490,496,490,490,490,487,490,487,490,490,487,494,487,490,490,487,490,496,496,490,490,496,490,490,490],"twin_sims":[0.5926362784314105,0.4665792117916774,0.4311731692784315,0.3719356520158556,0.3715347139914436,0.35481736849444134,0.3520610147697157,0.33010515135523977,0.3074514780884039,0.30249197822395096,0.2992139795157845,0.29721681869612754,0.2804359373837508,0.2754380532537971,0.2732665397878114,0.2672636624228653,0.26686360999702924,0.2552025492266382,0.25242449319688987,0.24992146764713744,0.24398900677021496,0.2364380653327029,0.23639804273941112,0.23605328861707842,0.23020622772750332],"twin_dists":[0.13285016479474787,0.16036501513236442,0.16846132687606502,0.18266045980766207,0.18276002978630643,0.18696081599202535,0.18766308685477265,0.1933642300082956,0.1994694553448235,0.20083992616495386,0.20175292534462236,0.20231205312722542,0.20710073960302053,0.20856019225199846,0.20919934918546737,0.2109826622405894,0.2111023858913614,0.2146427080884062,0.2155011177094852,0.2162797103439005,0.21814523272419062,0.2205625947491039,0.22057554051273448,0.22068711450619277,0.22259590937488047],"n_dims_used":45,"mean_confidence":0.9156789143880208},"coverage":{"mean_confidence":0.9156789143880208,"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}}