{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013163},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013123","490:4900012512","490:4900012307","490:4900013195","490:4900012928","490:4900013226","490:4900012669","490:4900000988","497:4970001688","490:4900012460","490:4900013115","490:4900013223","490:4900012795","497:4970001774","490:4900012521","490:4900013080","490:4900013114","494:4940004325","497:4970001532","490:4900013125","490:4900012662","497:4970001932","497:4970001015","497:4970001848","490:4900000315"],"twin_admin_codes":[490,490,490,490,490,490,490,490,497,490,490,490,490,497,490,490,490,494,497,490,490,497,497,497,490],"twin_sims":[0.1512711853881301,0.1480282542046929,0.11096549288015604,0.07928817234169079,0.0758123714688708,0.07236439656823988,0.06316828658234723,0.05884831350066789,0.05580990589895625,0.05480798924188624,0.04750990461554754,0.04178210713413413,0.03823790096257732,0.036095871371462446,0.034870231030730184,0.033475340239000735,0.0330642458314117,0.033058564981228424,0.03270430784187965,0.03260953525557258,0.03217636734354142,0.032009509801013594,0.031775680365558154,0.030285000130180185,0.02839710260406867],"twin_dists":[0.25241674601598857,0.25386074832205047,0.2723363639412143,0.29241472629428056,0.2949891803058489,0.29763882653612567,0.30524388888441106,0.3091335886399594,0.3120126858548502,0.3129904712713455,0.32059890456833506,0.32728819637453965,0.3318250240082776,0.3347426056041631,0.33647879527478536,0.3385191017357947,0.33913423201329296,0.3391427780079511,0.3396781978544245,0.33982227520672204,0.34048538365200887,0.3407428511333552,0.34110559585348926,0.34347334479450903,0.3466198077000384],"n_dims_used":45,"mean_confidence":0.9126569959852431},"coverage":{"mean_confidence":0.9126569959852431,"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}}