{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001375},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001764","477:4770001763","477:4770001493","485:4850007782","485:4850007747","477:4770001370","485:4850007624","477:4770003663","485:4850007781","477:4770001836","477:4770001432","485:4850008011","500:5000002137","500:5000002384","485:4850007842","477:4770001025","477:4770001660","485:4850008012","500:5000001803","485:4850007710","477:4770001723","477:4770001207","477:4770002135","477:4770002072","485:4850007331"],"twin_admin_codes":[477,477,477,485,485,477,485,477,485,477,477,485,500,500,485,477,477,485,500,485,477,477,477,477,485],"twin_sims":[0.7975635218396374,0.7911077323607671,0.7747123503995873,0.7053297527101716,0.7018820886003192,0.6755505277163151,0.6720990053206156,0.6676668832933729,0.6643493000123747,0.6569368102644287,0.641269925376266,0.6373849860987109,0.6330276606457338,0.6311828131937183,0.6172628273140951,0.6128584445826049,0.6118086556466361,0.610915404693698,0.6078315354638325,0.602972591334557,0.6026869071368629,0.5987053130861044,0.5949220245742359,0.5841960599029072,0.5838953175025089],"twin_dists":[0.08735327435412706,0.0889087621672482,0.09279683972383886,0.10851941789352226,0.10927838077001975,0.11502911179774836,0.11577778722241237,0.1167377184962315,0.11745526002889839,0.11905565906130483,0.1224276044036802,0.12326196384904237,0.12419711365395245,0.12459285934561411,0.1275762013198645,0.12851948949690786,0.12874429817444122,0.12893557937345446,0.1295959344739112,0.13063637393047792,0.13069754885620274,0.1315501966522636,0.13236050970297913,0.1346590685099059,0.13472355310270456],"n_dims_used":44,"mean_confidence":0.9207102168690074},"coverage":{"mean_confidence":0.9207102168690074,"n_dims_used":44,"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}}