{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000048},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000030","490:4900000047","490:4900000508","490:4900001458","496:4960009569","496:4960009068","490:4900000174","490:4900000411","490:4900000577","490:4900000401","490:4900001593","490:4900000246","490:4900000428","490:4900000907","490:4900001074","496:4960008156","490:4900000239","490:4900000049","490:4900000046","490:4900000029","490:4900000286","490:4900000730","490:4900000829","490:4900000433","496:4960007932"],"twin_admin_codes":[490,490,490,490,496,496,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,496],"twin_sims":[0.5020211647753092,0.5000288481700225,0.43165255088784865,0.4080553292236755,0.3880333521193976,0.38585213842347393,0.37536402225198146,0.36886924551360434,0.3560785242110447,0.34174166433066105,0.3360685574816295,0.3296298535174323,0.32879649694772506,0.3280596418383039,0.3272564905472061,0.3197025660688336,0.31700955126158276,0.3151402847511334,0.31402852777280327,0.31025571607617086,0.30991805053325233,0.30923415740038845,0.3055041694543017,0.29980594729662935,0.29771904744218003],"twin_dists":[0.1524698823459498,0.15290915886103829,0.1683500309451001,0.17389146315233572,0.1787050277483252,0.17923630167015628,0.1818112013368198,0.18342333859201676,0.18664043811327272,0.190318216808001,0.19179609069353087,0.19348987837743706,0.1937104227036507,0.19390568477231623,0.19411879057879955,0.19613749787387333,0.19686362407757493,0.1973696896863621,0.19767148219283567,0.19870019255635032,0.19879260954463027,0.19897996392095502,0.20000602333118228,0.2015876177728952,0.20217124146915677],"n_dims_used":45,"mean_confidence":0.9174620734320746},"coverage":{"mean_confidence":0.9174620734320746,"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}}