{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008898},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009425","490:4900010228","490:4900008112","490:4900010735","490:4900008793","491:4910005567","490:4900010219","490:4900009420","490:4900010039","490:4900011627","490:4900009434","490:4900009423","491:4910005467","490:4900010316","490:4900010136","490:4900009000","490:4900009536","490:4900011566","490:4900008560","490:4900008786","490:4900009426","490:4900011071","490:4900008215","490:4900009728","490:4900009841"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.22916607841956443,0.1790295308812387,0.15097786834705354,0.14619334204021725,0.14224893045654108,0.11340671472171988,0.11034291541749391,0.09806414650080712,0.08729429036700767,0.08138279292477647,0.07662369689924019,0.07660801094989637,0.06997594681395235,0.06894059703691731,0.0679107562841096,0.06541713604946031,0.06275459897775312,0.05588681172363767,0.05481241976428803,0.054716106460328956,0.0531602777543301,0.05302284117586906,0.0495436727491392,0.049074977771000644,0.04882997822797825],"twin_dists":[0.22293880169293012,0.2408956095970395,0.2525464103320137,0.2546881593801002,0.25649318378995484,0.2709852061790939,0.2726846139140017,0.2798868097843752,0.2868121678393451,0.2909067577546541,0.29437987943116306,0.29439161010823567,0.2995348159943916,0.3003730481068869,0.30121703594743904,0.303304676505245,0.30560675135545873,0.3119382338930828,0.3129861150181593,0.31308087959416137,0.3146311688316642,0.3147699170117051,0.3183859597556193,0.31888913035291316,0.31915374831598664],"n_dims_used":45,"mean_confidence":0.8893719991048177},"coverage":{"mean_confidence":0.8893719991048177,"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}}