{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":475,"cluster_id":4750000021},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750000019","475:4750000022","475:4750000020","475:4750000018","487:4870010075","475:4750000860","475:4750000828","487:4870009946","475:4750000035","475:4750000217","475:4750000044","487:4870010207","475:4750001136","475:4750000065","475:4750000182","487:4870010208","475:4750000216","475:4750000695","487:4870009947","475:4750000023","475:4750000894","487:4870010341","475:4750000024","487:4870009679","475:4750000087"],"twin_admin_codes":[475,475,475,475,487,475,475,487,475,475,475,487,475,475,475,487,475,475,487,475,475,487,475,487,475],"twin_sims":[0.4328668774113149,0.2517585210960644,0.19472457179345923,0.05006166913331329,0.02307001783423121,0.012908874347309938,0.010773796848630762,0.010674952797235822,0.009524549872244022,0.004399160762383432,0.004393038191291303,0.003895022993568599,0.0038236531550629002,0.003100362951285891,0.0026213523473546494,0.0022837979907509246,0.0017972217295642448,0.0015491698406596521,0.0013966900168642725,0.001312991750364048,0.0012778342785328676,0.0012403216866476191,0.0009769603623611324,0.0009257600932004312,0.0008637729930107125],"twin_dists":[0.16806832954684958,0.2157077927517861,0.23493782652781234,0.31783445648147607,0.35658631344710573,0.38306766880710164,0.39094759018620373,0.3913450471155483,0.39622927196331537,0.42785085546566937,0.4279057581804074,0.43262264687428076,0.4333430759850807,0.44142945827810814,0.4477964191783852,0.4529591454141974,0.4617951544528094,0.4671885551006944,0.470914579515901,0.47312286295842804,0.4740895065329928,0.4751484168478599,0.48354713387817827,0.4854212659064008,0.4878235311928765],"n_dims_used":42,"mean_confidence":0.9038936070033482},"coverage":{"mean_confidence":0.9038936070033482,"n_dims_used":42,"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}}