{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005356},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002435","490:4900001532","466:4660007295","490:4900012908","494:4940008473","490:4900002434","490:4900005087","490:4900001269","466:4660005144","466:4660007449","490:4900002282","490:4900002891","490:4900004536","490:4900006868","490:4900003168","466:4660003579","490:4900006619","490:4900002135","490:4900003564","494:4940007757","466:4660007750","490:4900005634","490:4900001417","490:4900003708","490:4900003997"],"twin_admin_codes":[490,490,466,490,494,490,490,490,466,466,490,490,490,490,490,466,490,490,490,494,466,490,490,490,490],"twin_sims":[0.16012983798770605,0.12014435963467912,0.11613407308559778,0.11079708219982848,0.10534613739679306,0.09356357990024838,0.08635128805838903,0.08214418880157015,0.07598301451669602,0.07587654388713724,0.07413804351971039,0.07142191467509476,0.06848930335134819,0.06709411235350302,0.066286849571457,0.05997804489729574,0.05980971843556716,0.05881595961951062,0.057720812663220517,0.05750020904897093,0.05650081919229104,0.056103567256576385,0.0558489191321964,0.05529798859961611,0.05493435105026898],"twin_dists":[0.24858467493090589,0.2673687219912622,0.26950191946354635,0.2724304182125898,0.2755362348933035,0.28270391993262506,0.28745021181641206,0.2903663124865491,0.29486059347942706,0.2949407963019864,0.29626340358929987,0.29838083488199124,0.3007416265571378,0.30189374065869445,0.3025693012687429,0.3080942965022002,0.3082481211220622,0.3091635935408727,0.3101873415874113,0.3103954977886355,0.31134683512103256,0.31172884922350924,0.31197490683923407,0.3125104425592894,0.31286634191420276],"n_dims_used":45,"mean_confidence":0.9265700446234809},"coverage":{"mean_confidence":0.9265700446234809,"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}}