{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012506},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012292","490:4900012433","490:4900012434","490:4900012507","490:4900012436","490:4900012362","497:4970000439","490:4900012435","497:4970000269","490:4900012021","497:4970000565","490:4900012226","490:4900012364","490:4900011753","490:4900007650","490:4900012363","497:4970000271","490:4900012293","497:4970000635","490:4900009722","497:4970000214","497:4970000215","490:4900012439","490:4900012584","490:4900007408"],"twin_admin_codes":[490,490,490,490,490,490,497,490,497,490,497,490,490,490,490,490,497,490,497,490,497,497,490,490,490],"twin_sims":[0.6148453798167635,0.39159064543045724,0.38165174493290643,0.36901025212477023,0.12360532900975303,0.10822550816602444,0.09030568356278308,0.08415422947324773,0.07634848397515018,0.07631326707668158,0.07423094199000677,0.07411864292376664,0.06587505297138709,0.06282041223009784,0.06278733057586244,0.059709951630735954,0.05873773422230313,0.05226564184855922,0.04932677319418204,0.04622822351354812,0.04603273131167021,0.0455801843731944,0.04455663931004103,0.04296324837143085,0.037848958934429654],"twin_dists":[0.1280939707166674,0.17784159434045535,0.1802634256048043,0.18338818912492333,0.2655710417975643,0.2738805179292538,0.28481062754588327,0.288958569478216,0.2945859777263527,0.29461239372412384,0.29619209900726895,0.2962783037016442,0.3029165027732528,0.3055488930081799,0.30557796984280106,0.3083394608447217,0.3092361957626937,0.3155397394426112,0.31861831806041113,0.32203451018925056,0.32225640023640223,0.32277310035869855,0.3239577978238078,0.3258483447135721,0.3323443114971373],"n_dims_used":44,"mean_confidence":0.88867863741788},"coverage":{"mean_confidence":0.88867863741788,"n_dims_used":44,"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}}