{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008109},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007774","490:4900010127","491:4910005663","490:4900010565","490:4900009929","490:4900008658","490:4900011296","490:4900011070","490:4900010225","490:4900008217","490:4900007894","490:4900007773","490:4900011690","490:4900008107","490:4900011577","490:4900007787","490:4900008894","490:4900008439","490:4900008228","490:4900010312","491:4910005358","490:4900009529","490:4900011227","490:4900010912","491:4910005662"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,491],"twin_sims":[0.419163960493939,0.37152966756446587,0.2947362877884132,0.28753110538021026,0.19757551378745125,0.182279087712021,0.14423325994589137,0.1305779226669518,0.12932965587571535,0.12523058599976752,0.11556197305266704,0.11522650502745119,0.11453225341369973,0.11402441543378226,0.11122105764678819,0.10520400525407567,0.0956754504959475,0.09161087267752739,0.09079290593128304,0.09007100057650075,0.08656824874873464,0.08434268022977034,0.08073770562210575,0.07569605829441535,0.0743455293246744],"twin_dists":[0.17126630155563538,0.1827612833676715,0.203009590961769,0.20505567155262452,0.23389197485001187,0.23963277589939908,0.25558054633082994,0.26206245912096215,0.2626799823584724,0.2647400588329567,0.26981082183019095,0.2699925028016155,0.2703697871544711,0.27064688237285256,0.2721938461413556,0.27561887115792105,0.2813690251580745,0.28395952958218623,0.28449178383214685,0.28496469308262173,0.2873029251096444,0.2888279685117273,0.291367823340145,0.29507696103529746,0.2961042462705371],"n_dims_used":45,"mean_confidence":0.8884556240505642},"coverage":{"mean_confidence":0.8884556240505642,"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}}