{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000708},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001279","495:4950000910","495:4950001507","480:4800000709","495:4950000911","480:4800000597","495:4950001220","480:4800000674","495:4950001164","495:4950001449","480:4800000634","480:4800001180","480:4800001175","495:4950001333","495:4950001566","495:4950000962","480:4800000598","495:4950000908","495:4950001221","480:4800000745","495:4950001448","495:4950001010","480:4800000599","495:4950001903","480:4800001116"],"twin_admin_codes":[495,495,495,480,495,480,495,480,495,495,480,480,480,495,495,495,480,495,495,480,495,495,480,495,480],"twin_sims":[0.5728524224664078,0.5567577394338218,0.45450128474765394,0.40621639752393623,0.40492115118987165,0.38781577765824654,0.3073299217882979,0.26846255959543064,0.26445162880510587,0.2631021342335162,0.2554103612239525,0.25313079909322816,0.2204482905688254,0.21406426667327558,0.21260997841703083,0.181858477890698,0.17903647029272132,0.16311457511002742,0.12467065801746853,0.11802304007158433,0.11366247944306725,0.11241794714117698,0.10936535233346088,0.1089561269277034,0.10534192624457402],"twin_dists":[0.1370932286963237,0.1405557687202677,0.16310028195827492,0.17432903596661062,0.1746377680775968,0.17875795840173261,0.19950289190916337,0.21062453329334566,0.2118265964700243,0.21223358816717006,0.21457873385015297,0.21528230469227008,0.22585409500669393,0.22803822395457787,0.22854189436462752,0.23979533014280208,0.24089289559103755,0.24732838598019835,0.2650254158211792,0.26849020443883637,0.2708449483483814,0.2715297359196485,0.2732345100071355,0.2734658362828739,0.2755386820289771],"n_dims_used":43,"mean_confidence":0.9024635137513627},"coverage":{"mean_confidence":0.9024635137513627,"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}}