{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004111},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004175","499:4990003659","477:4770003723","468:4680000205","499:4990004004","499:4990004229","499:4990000392","499:4990002424","499:4990000401","500:5000010981","499:4990003981","470:4700003962","500:5000011262","500:5000009725","500:5000010891","500:5000011334","499:4990004023","499:4990001986","499:4990001164","500:5000011145","500:5000011202","499:4990004238","470:4700000756","499:4990003351","468:4680005661"],"twin_admin_codes":[499,499,477,468,499,499,499,499,499,500,499,470,500,500,500,500,499,499,499,500,500,499,470,499,468],"twin_sims":[0.46971386564649575,0.4071269348211992,0.39670417932936036,0.38951312258281495,0.37832876322214504,0.3643943849977465,0.3247897294718765,0.3184780546950572,0.31450143788395035,0.31403151007775837,0.30785498465678884,0.3076633065588857,0.30249511820049046,0.2936552610412357,0.2907457696530209,0.2900050497513269,0.2804506476692036,0.2748762296479513,0.27408194611967157,0.27098146581890653,0.26722057602421506,0.2624015294068935,0.2620767569631563,0.25976153288090054,0.25393199352782536],"twin_dists":[0.15965917837227864,0.1741122645237875,0.17660680400695208,0.1783454054258822,0.18107984999663632,0.18454232583976507,0.1947751282149637,0.19646723807135252,0.19754303415057542,0.19767067181892936,0.19935851710595587,0.19941120575326007,0.20083905438100447,0.20331466513054602,0.2041390672019153,0.20434973198896678,0.20709646745231158,0.2087252605934632,0.2089589807643603,0.2098753111361571,0.21099555135111828,0.21244539723387423,0.21254370359188687,0.21324673013483342,0.21503456485212868],"n_dims_used":45,"mean_confidence":0.9315891689724393},"coverage":{"mean_confidence":0.9315891689724393,"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}}