{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011637},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011701","490:4900011441","490:4900011631","490:4900011434","490:4900011710","490:4900011301","490:4900011367","490:4900011456","490:4900011302","490:4900011524","490:4900012177","490:4900011645","490:4900011081","490:4900011635","490:4900011522","490:4900012119","490:4900008225","490:4900011003","490:4900010999","490:4900011765","490:4900011828","490:4900011564","490:4900011640","490:4900011633","490:4900011574"],"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":[0.5639471833118949,0.4289687510636273,0.21967548969792602,0.21149938534367657,0.20377150603292343,0.20212450797099163,0.1946149793067773,0.1874523569086936,0.18728345778088398,0.17879041415774619,0.1773775462575866,0.16954116826818105,0.15168790577579874,0.1496052131134405,0.14612216451680893,0.14477248779085408,0.1333632245697159,0.12925224355996134,0.12856954011433408,0.12729264242891083,0.11962545444366503,0.11023464358425081,0.104639286767375,0.09418161290249687,0.09324269927736775],"twin_dists":[0.13900753151048326,0.16897376598153627,0.2261162094766187,0.22892810404744482,0.23165443887418125,0.23224459226028438,0.23497824125555541,0.23765473783514818,0.23771870763614578,0.2409891738473153,0.24154383741487703,0.2446788120188949,0.25223284726098777,0.2531556846716878,0.25472040958399766,0.25533415488923505,0.26070043679629873,0.26271842656320404,0.26305822383643374,0.2636974463602104,0.267641644700109,0.2727453326753393,0.2759480617571244,0.2823108296500114,0.28290881945682994],"n_dims_used":45,"mean_confidence":0.891259511311849},"coverage":{"mean_confidence":0.891259511311849,"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}}