{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003526},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003804","490:4900002093","490:4900003253","490:4900003126","490:4900003933","490:4900003528","490:4900003387","490:4900003403","490:4900001641","490:4900001118","490:4900001783","490:4900002988","490:4900003264","490:4900001125","490:4900001375","490:4900003664","490:4900003400","490:4900003525","490:4900002837","490:4900001252","490:4900001120","490:4900004484","490:4900001511","490:4900003531","490:4900004492"],"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":[0.15940049091818914,0.09105357841811672,0.0850450222155303,0.06256970452727105,0.0561551370936117,0.05581902791704293,0.04931834180809982,0.038389707185145526,0.035684775902397214,0.03401961209822085,0.029406948621332283,0.02903555398536195,0.02527298159122725,0.024765382636361813,0.02188421617143764,0.02121287658466184,0.01952839126005848,0.012194897947823092,0.011584242092044205,0.009630413326510236,0.008589590307761864,0.007170089964689685,0.007040693842919076,0.007005146597554307,0.006451510164453179],"twin_dists":[0.24889424282502512,0.28432175274021565,0.288343269375857,0.30576956393796306,0.31167913151658094,0.31200385046456675,0.31862736755185883,0.3316235563740688,0.3353192828755342,0.33771452973172317,0.3449151601170162,0.3455361539560494,0.35224582173987645,0.3532160337806556,0.35907369919883714,0.3605343321564084,0.3643846674466018,0.3855648550616184,0.38780572121449225,0.395758448176238,0.4006035029495272,0.40813817871921504,0.4088901232643056,0.4090988698459327,0.41247945141907305],"n_dims_used":45,"mean_confidence":0.9199359469943577},"coverage":{"mean_confidence":0.9199359469943577,"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}}