{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003943},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003940","490:4900003936","490:4900004072","490:4900003380","490:4900004070","490:4900004213","490:4900003941","490:4900003248","490:4900003945","490:4900003938","490:4900004214","490:4900003946","490:4900003667","490:4900004071","490:4900001778","490:4900003944","490:4900003939","490:4900004360","490:4900004079","490:4900003385","490:4900002979","490:4900004363","490:4900004075","490:4900001502","490:4900004080"],"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":[0.22257525624254598,0.14323210716912124,0.13920430541566683,0.13683110619071373,0.11624629077041454,0.1119751634284367,0.10682059115486975,0.09668591324541924,0.09389058287261517,0.08871397086068111,0.08306819359617051,0.08073294474151159,0.07948745692356081,0.07764728770714242,0.06498315195870634,0.05984185240662976,0.056643705262082004,0.04996739077367328,0.04626215310185003,0.04086410783759183,0.04047095341876146,0.039614181246165045,0.03907109367161396,0.03823817120777561,0.03743916695935243],"twin_dists":[0.22513584135799117,0.25603982517106844,0.2579120674914689,0.2590341954477414,0.26944146526766344,0.27177478159917723,0.274684053687999,0.2807385111629505,0.28249568053968976,0.2858618537188601,0.28971580190169793,0.29137123705505547,0.2922698904346706,0.29361853701484847,0.30367461597568773,0.30821872811896067,0.3112099723662097,0.31793447820623366,0.32199607905079763,0.32843114558205927,0.3289272741090543,0.33002270566248126,0.3307274858427014,0.33182466475461847,0.3328963509895063],"n_dims_used":45,"mean_confidence":0.9215108235677083},"coverage":{"mean_confidence":0.9215108235677083,"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}}