{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000442},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000535","490:4900000530","490:4900000533","494:4940007943","494:4940007936","490:4900000739","490:4900000444","490:4900000984","490:4900000989","490:4900000539","490:4900000531","494:4940008347","490:4900000445","494:4940007935","490:4900000993","494:4940008350","490:4900012664","494:4940008453","490:4900000257","490:4900000759","490:4900000992","490:4900000536","490:4900000987","490:4900000983","490:4900012373"],"twin_admin_codes":[490,490,490,494,494,490,490,490,490,490,490,494,490,494,490,494,490,494,490,490,490,490,490,490,490],"twin_sims":[0.5177958003438036,0.42115158044720646,0.3693505031110927,0.3187089183320304,0.309166414468872,0.21720764148511737,0.17165589368362144,0.14034365465875662,0.13929561527870685,0.13724520424355063,0.12697313995768217,0.12508115536380238,0.09703983709036926,0.09470344588156501,0.09016231531471271,0.08725038245930901,0.08369619925516467,0.07913888828947245,0.06279185140072889,0.062235915736489456,0.06138256166256419,0.059002504787718124,0.05878468812626919,0.056527841902818204,0.04592157109258427],"twin_dists":[0.14900790592315277,0.17079976094084567,0.18330340050770386,0.19640501592486637,0.19899853521555555,0.226957404511593,0.24382276824327576,0.2573784150410689,0.2578691795929318,0.25883735350125103,0.2638581500987007,0.2648161184474698,0.2805188928478696,0.28198050626293997,0.28490470870081125,0.2868417543582253,0.28927697138214714,0.2925234143756574,0.3055739955624059,0.30606448967870964,0.306824428602327,0.3089907784166176,0.3091926075590802,0.31132092964156954,0.3223829229334563],"n_dims_used":45,"mean_confidence":0.9108489990234375},"coverage":{"mean_confidence":0.9108489990234375,"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}}