{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001869},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002925","490:4900001871","490:4900002029","490:4900004460","490:4900002493","490:4900001330","490:4900008534","490:4900003869","496:4960011551","490:4900003051","490:4900000713","490:4900001019","490:4900001084","490:4900001464","490:4900001728","490:4900004322","487:4870003004","487:4870005272","487:4870006424","490:4900001072","490:4900002299","487:4870005569","496:4960012307","490:4900002760","490:4900002761"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,487,487,487,490,490,487,496,490,490],"twin_sims":[0.7546684471488212,0.5712928639965172,0.559316306472574,0.5520417066887918,0.526938833796683,0.48659108411823426,0.4773457783405718,0.47334249683229346,0.4633066930056545,0.44150433179814924,0.43082798738976436,0.4299545729580896,0.42971183197573504,0.4287058542516143,0.42642134526648273,0.39833464364189675,0.39002691299229414,0.38973315561653654,0.3891169979877445,0.38211900123122733,0.37608637843673093,0.36474886735498424,0.35888273865155346,0.3502719153765465,0.34629613310704976],"twin_dists":[0.09744512624668515,0.13742823434789753,0.14000447110717,0.14157292306603567,0.14701319290745796,0.15588522292801782,0.1579472568409457,0.15884409674532138,0.16110363898463617,0.16607361509986626,0.16854149732553708,0.16874446948136954,0.16880090969877856,0.1690349506435722,0.169567280777177,0.17621463227166853,0.17822069140879673,0.17829198664532278,0.17844161079000695,0.1801489006191041,0.1816327493252288,0.18445343272835035,0.18593015736419102,0.18812045120366838,0.18914122321795684],"n_dims_used":45,"mean_confidence":0.9122124565972223},"coverage":{"mean_confidence":0.9122124565972223,"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}}