{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011786},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011934","490:4900012066","490:4900011726","490:4900011263","490:4900011190","490:4900011609","490:4900012064","490:4900011791","490:4900010713","490:4900011041","490:4900012212","490:4900011535","490:4900011611","490:4900011104","490:4900008944","490:4900011192","490:4900011600","490:4900011471","490:4900011266","490:4900011329","490:4900011270","490:4900009890","490:4900011720","490:4900011528","490:4900011921"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6154519959538878,0.5531473094338372,0.47522790698279543,0.4624572812254834,0.43777289546345427,0.39470725992859806,0.35647821377033956,0.35520815034137465,0.33169050125287314,0.33020752759504546,0.32329380082418635,0.2783994657622924,0.27780414383331026,0.26166048470188197,0.260935161798018,0.24212288473917193,0.23867183387188046,0.22663362858201033,0.22318187318090527,0.20934947756969158,0.20495487925012842,0.2026473457818848,0.1885834165393374,0.1819994106277477,0.17597871944012158],"twin_dists":[0.12796405155979226,0.14133434733225367,0.15842140703840452,0.16129565246970137,0.1669334341726615,0.17708812852051772,0.18653902517964518,0.18686148084265225,0.1929458473297935,0.19333717912378615,0.195174502259088,0.20769348931494364,0.2078672659565529,0.21266981800528778,0.21288986380904718,0.21873808726162083,0.21984231231262738,0.22377796543098974,0.2249318337496593,0.22967966416675206,0.23123242852751283,0.23205689214695502,0.2372273919706449,0.2397408339162349,0.24209609152490127],"n_dims_used":45,"mean_confidence":0.9147509256998698},"coverage":{"mean_confidence":0.9147509256998698,"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}}