{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010818},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010302","490:4900011949","490:4900011359","491:4910004803","491:4910003996","491:4910005006","490:4900012086","490:4900012018","490:4900010121","491:4910005667","490:4900010213","490:4900010648","491:4910004957","490:4900012360","491:4910005468","490:4900010120","497:4970000272","490:4900009720","490:4900009821","491:4910005569","490:4900011218","490:4900009921","490:4900010022","497:4970000326","491:4910004856"],"twin_admin_codes":[490,490,490,491,491,491,490,490,490,491,490,490,491,490,491,490,497,490,490,491,490,490,490,497,491],"twin_sims":[0.22385663094737276,0.15976630081706034,0.1575051041457677,0.09665623598741513,0.09414530183146087,0.08761099125392208,0.08328891645930157,0.07616341052992952,0.0736530195082276,0.07180641372625755,0.06315602466890063,0.053983372532102995,0.05249670476415862,0.05198669554415195,0.0468920106613731,0.04572426521743175,0.045465578019654423,0.039014087990574625,0.03611538424765055,0.03529484525817067,0.03194214439924836,0.031896033139488425,0.029353279583758198,0.025239970484646736,0.024893015900575986],"twin_dists":[0.2247053438908281,0.24873884806243493,0.2497035817373128,0.28075695531370154,0.28233386841007935,0.2865991145322276,0.28956126665296905,0.2947249102182759,0.29663686236049014,0.29807716955607805,0.3052546162822495,0.31380639000729793,0.31530384824998353,0.315825671431843,0.32128690585540187,0.3226081299633294,0.3229046352770285,0.3308019432835311,0.33471537227313536,0.3358715125635074,0.3408471236299375,0.3409186060256706,0.34500448030520425,0.35230840391505486,0.35297047221594025],"n_dims_used":44,"mean_confidence":0.8830670443448153},"coverage":{"mean_confidence":0.8830670443448153,"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}}