{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003558","480:4800003108","480:4800003496","480:4800003557","480:4800003143","480:4800003436","480:4800003059","480:4800003102","480:4800002799","480:4800003437","480:4800003279","480:4800003623","480:4800003622","480:4800003559","480:4800003497","480:4800003760","480:4800002890","480:4800003103","480:4800003101","480:4800002847","480:4800003624","480:4800003621","480:4800003188","480:4800002848","480:4800002749"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9613791316148802,0.9459359520113385,0.9366324165394367,0.8641664345967741,0.8502657536797452,0.7738808390402873,0.757372905023916,0.7020405328562412,0.6782403584992993,0.6478237519883248,0.636969529356279,0.5883092474072112,0.5738407852501632,0.566810875075432,0.5598180911827079,0.5494448163506849,0.5419218197718007,0.5305638956528929,0.5277646326332196,0.5067376949050397,0.5066526172307335,0.47915222684084696,0.4538982502958785,0.41849071365147694,0.3804995899474879],"twin_dists":[0.03645122709302302,0.04330118098480968,0.046993884684609015,0.07017787987012714,0.07397291603290536,0.09299183286483714,0.09682394112668638,0.1092435353251961,0.11444492994269662,0.12101857867000985,0.12335115608898806,0.13377734641127678,0.13688096913076842,0.13839156066709157,0.139896392770256,0.1421336011594754,0.1437603845680812,0.14622447162944574,0.14683341721068846,0.15143184511463803,0.15145054644577066,0.15754336669285948,0.16323752981507403,0.1714245409408332,0.18054610860902098],"n_dims_used":42,"mean_confidence":0.9121942066010975},"coverage":{"mean_confidence":0.9121942066010975,"n_dims_used":42,"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}}