{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001642},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001641","487:4870001547","487:4870001168","487:4870001643","487:4870001163","487:4870001262","487:4870001450","487:4870001646","487:4870001166","487:4870002255","487:4870001639","487:4870004528","487:4870001353","487:4870001079","487:4870002173","487:4870003079","487:4870002706","487:4870001069","487:4870002848","487:4870002349","487:4870002082","487:4870001352","487:4870002830","487:4870003084","487:4870002977"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.5896805600584079,0.5111818437794058,0.45877495868275375,0.39159989951892465,0.3680272627671081,0.3433890801963445,0.27651625633176186,0.24669149684087685,0.24607344646708929,0.23126905116933624,0.22589693586910709,0.22114828702005726,0.21135290288533737,0.2099980444782556,0.2060993734423341,0.20566567379434628,0.2032738699151057,0.19710095336962402,0.19370004690909914,0.19323449630809716,0.18722127886053477,0.1837131037296122,0.177035759071378,0.17629963879012228,0.1690415915680735],"twin_dists":[0.13348346809562273,0.1504560922585011,0.16212950432137122,0.17783935297180772,0.1836333637923076,0.18989152424942393,0.20824398369874042,0.21729183401069038,0.21748647043471298,0.22224659628777343,0.22402324493586173,0.2256172042910606,0.22897914598078636,0.22945238945193358,0.23082586681056952,0.23097974895341852,0.23183240590543056,0.2340653360625366,0.23531626203146325,0.23548868545506396,0.23774226781985325,0.23908055025409714,0.24167848748586931,0.24196911779605068,0.24488215938206587],"n_dims_used":43,"mean_confidence":0.9070883462595385},"coverage":{"mean_confidence":0.9070883462595385,"n_dims_used":43,"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}}