{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001044},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001061","490:4900000503","490:4900000955","490:4900003735","490:4900002180","490:4900000796","490:4900001872","496:4960008963","490:4900001060","490:4900000343","490:4900001205","490:4900001883","490:4900001740","496:4960008761","496:4960008966","496:4960008967","490:4900002033","490:4900000691","490:4900002913","496:4960008272","496:4960008379","490:4900001071","496:4960008019","490:4900002340","490:4900002483"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,490,496,496,496,490,490,490,496,496,490,496,490,490],"twin_sims":[0.6179126660605607,0.5975231345805484,0.5773742780574675,0.5578770380011766,0.5572316298410498,0.5211981649409549,0.520229116251508,0.5075152739073562,0.49991207659158177,0.4968152021740564,0.49204011442676243,0.4844732796192486,0.4811734652384126,0.48021813673498714,0.4797500047834891,0.46338431288539567,0.44358186870162253,0.43684101876450604,0.42501530093479994,0.42488282707656244,0.4244576929115689,0.41565828535289545,0.41391321276404014,0.40730599912305715,0.4055684476278445],"twin_dists":[0.12743700684886514,0.13180338139689834,0.1361224111690903,0.14031454759178486,0.14045363157085292,0.14826467768129004,0.14847624423688677,0.1512609601286121,0.1529349203176681,0.15361875292714652,0.1546755562130441,0.15635647722053844,0.1570920309417017,0.15730527719974935,0.1574098217990415,0.16108609880653643,0.16559612341830443,0.1671486116351785,0.16989549892524383,0.16992644599817322,0.17002578824628573,0.1720914669650862,0.1725033361260915,0.17406966005491273,0.17448342493658928],"n_dims_used":45,"mean_confidence":0.9147208319769965},"coverage":{"mean_confidence":0.9147208319769965,"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}}