{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003339},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001566","490:4900002000","490:4900001564","490:4900003735","490:4900002913","496:4960008574","490:4900000474","490:4900001872","490:4900001883","490:4900003887","490:4900002467","490:4900002459","490:4900003734","490:4900002464","490:4900002617","490:4900000795","490:4900002033","496:4960008019","490:4900002613","496:4960008770","496:4960008761","490:4900004437","490:4900002757","490:4900003073","490:4900004174"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,496,496,490,490,490,490],"twin_sims":[0.7303126297906398,0.5340908516139451,0.5175255544291162,0.4879487290623796,0.4672670456840883,0.4593014865561019,0.4551020044653122,0.4374442157348633,0.41093207217622013,0.39467801409678205,0.3928804951912027,0.3885814912941023,0.36393373131324736,0.35933922113063144,0.32957260028983354,0.32914070106250276,0.3265816133593091,0.3262201995353035,0.3114714168361343,0.30620679588318334,0.2976968893283617,0.29710708452205287,0.2877103361788566,0.28761862644029285,0.28051965694889],"twin_dists":[0.10296722212715767,0.14545818737127972,0.1490669894292131,0.1555834500446539,0.16020999564890448,0.16201012802032905,0.16296362716142787,0.16700930814371784,0.17320868674619896,0.1770951860799431,0.17752942645588982,0.17857174064404602,0.1846579086492612,0.1858148045793102,0.1935050203900531,0.19361929330118188,0.19429808396537337,0.1943941843740135,0.19836793866777203,0.19981219220726879,0.20217745107415233,0.20234283830002817,0.20500440634957973,0.20503063560315873,0.20707642764071765],"n_dims_used":45,"mean_confidence":0.9160730997721355},"coverage":{"mean_confidence":0.9160730997721355,"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}}