{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001286},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970000045","487:4870001231","480:4800006482","497:4970003082","474:4740003679","487:4870000889","487:4870003216","475:4750000336","491:4910004078","475:4750000381","479:4790001573","484:4840000297","475:4750000622","497:4970002940","480:4800003155","466:4660011297","484:4840006934","497:4970002887","475:4750000086","486:4860004975","665:6650003238","484:4840007746","497:4970003083","475:4750000181","475:4750000153"],"twin_admin_codes":[497,487,480,497,474,487,487,475,491,475,479,484,475,497,480,466,484,497,475,486,665,484,497,475,475],"twin_sims":[0.008746706846093969,0.0076837763148899195,0.006444147814860346,0.0015661823795833708,0.0014998178676742325,0.0007047786373048135,0.0006440412671337032,0.00008824163729582483,0.00008542565170411991,0.00008426283359456742,0.00006362904440059758,0.00005271747709086392,0.00005251996261997748,0.000024480905065706082,0.0000163760135530314,0.00001505265371022579,0.00001234174453544378,0.000012252835568094244,0.000011781488569615301,0.000007079839582928874,0.000006239827155190047,0.000005556628946549198,0.000005211831968105443,0.000004586440886407419,0.00000449959666744371],"twin_dists":[0.3998395709840149,0.4052685105357514,0.41252614140762706,0.4667940658420965,0.468355982802374,0.494807370254545,0.4978700061971932,0.5611849884408645,0.5621589580455606,0.5625700377200985,0.5709292069090158,0.5764602715234832,0.5765700952293253,0.5984837656089972,0.6097103809890699,0.6120370526363742,0.6174851918858115,0.617682656713525,0.6187529448236845,0.6324836677206735,0.6358429437771799,0.6389117009356485,0.6406006692127183,0.6439576341898181,0.6444581655045539],"n_dims_used":44,"mean_confidence":0.8745954686945135},"coverage":{"mean_confidence":0.8745954686945135,"n_dims_used":44,"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}}