{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011899},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012031","490:4900011501","490:4900011084","490:4900011895","490:4900011565","490:4900011698","490:4900011773","490:4900011236","490:4900010496","490:4900011630","490:4900011833","490:4900011221","490:4900011826","490:4900011082","490:4900011374","490:4900010508","490:4900010671","490:4900010501","490:4900010998","490:4900011159","490:4900010495","490:4900010757","490:4900010918","490:4900010427","490:4900011500"],"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":[0.593837969434772,0.36297697119103844,0.34577369563261035,0.342522375440492,0.309564001488152,0.2835516738741691,0.23086984208337688,0.22198254440933052,0.21642516834572162,0.19704280419682005,0.154180230169352,0.1447829756788528,0.1426736896717117,0.14110826177594632,0.14057709325005607,0.13979612783951317,0.13418415774788414,0.1263107038692528,0.12372192417180199,0.12354171099524254,0.12326423315651615,0.12076914834850341,0.11281954149457668,0.11129588024568696,0.11109094450507728],"twin_dists":[0.1325927276414579,0.18489820631053627,0.18927581591250783,0.1901158705901479,0.1988895726010874,0.20619888141795342,0.2223776781248963,0.22533553126128938,0.22722546000587807,0.23408659833861845,0.2511406595817129,0.25532936936937767,0.25629703566886813,0.2570220939837426,0.2572694752784731,0.2576344626695693,0.26030308471724806,0.26419232184975777,0.2655111517674453,0.2656037378216185,0.2657464955664935,0.26704130132607223,0.2713081281758365,0.2721521685735874,0.2722663731612622],"n_dims_used":45,"mean_confidence":0.8910268147786459},"coverage":{"mean_confidence":0.8910268147786459,"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}}