{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000986},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["478:4780001317","493:4930001854","496:4960005452","466:4660012821","478:4780002175","473:4730006201","489:4890000985","469:4690003636","493:4930001855","470:4700008950","466:4660011709","484:4840001799","489:4890000815","500:5000002203","496:4960002318","489:4890000811","494:4940000105","466:4660009282","489:4890000987","466:4660005730","487:4870002695","496:4960005925","466:4660005742","489:4890001467","496:4960007459"],"twin_admin_codes":[478,493,496,466,478,473,489,469,493,470,466,484,489,500,496,489,494,466,489,466,487,496,466,489,496],"twin_sims":[0.008904160069227063,0.0039975484093138225,0.003922180558417857,0.00265723093113078,0.002217842072715876,0.0017915007708113263,0.00178747504042811,0.0016783482618184724,0.0013915683461196784,0.0013175960550935535,0.0011348984239560617,0.000627452815129135,0.0005527886254381512,0.00045229773285786917,0.0004466063555586863,0.00040989131753167013,0.00035385945009787725,0.0003376017143881141,0.00033160301019370366,0.00029229676309346493,0.0002771590406326947,0.00026997224401990877,0.00026982489017796416,0.0002481209174481581,0.00024153063101445399],"twin_dists":[0.3990862184076273,0.43160846642192563,0.4323516616400698,0.44728406509966595,0.4540491053317963,0.4619115946342885,0.46199373683151973,0.4642879465070448,0.4710461486503069,0.47299804624492714,0.4782913305148096,0.4987532748447069,0.5030196618641652,0.5097030075024928,0.5101218896951898,0.5129505793559926,0.5177615722309762,0.5192915284507258,0.5198735421727353,0.5239511218879775,0.5256602790051742,0.5265026307524828,0.5265201211962567,0.5291997109506067,0.5300570445131387],"n_dims_used":45,"mean_confidence":0.9130810207790798},"coverage":{"mean_confidence":0.9130810207790798,"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}}