{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005687","490:4900005152","490:4900005416","490:4900005817","490:4900006186","490:4900006426","490:4900003910","490:4900005417","491:4910002069","490:4900005170","490:4900002217","490:4900005937","490:4900005292","490:4900005293","490:4900005286","491:4910002068","490:4900005949","490:4900006077","490:4900004602","491:4910001751","490:4900005153","491:4910002962","490:4900006199","490:4900007652","491:4910001403"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,491,490,490,490,491,490,491,490,490,491],"twin_sims":[0.4560374064038101,0.4300985545298484,0.401896869732037,0.3658376539043945,0.32147721120314304,0.2735002661605336,0.23721387595881754,0.23601254927719778,0.21782808388990188,0.2012586856033801,0.18803306554023827,0.18492953849013277,0.14539318507551477,0.13963018043154735,0.13959694060178746,0.13883193705509372,0.12417662480985782,0.12373946802209516,0.1218672414163131,0.1176625735447833,0.1139912036789565,0.11306811340947209,0.11091599861595172,0.11085063633471044,0.09862990380448218],"twin_dists":[0.16275096802306405,0.16871099816065319,0.17536035586628929,0.1841806709044852,0.19566087171466442,0.20913040549411369,0.22031193219104941,0.2207003061570281,0.22674531795437272,0.23255616003281476,0.23743510489022698,0.2386144903095679,0.2550513780716679,0.25771221464549937,0.2577277969163812,0.25808718526731134,0.26527800053747475,0.2655021439463948,0.2664689653023751,0.2686823038848587,0.27066503699952094,0.27117126576875317,0.27236399412831225,0.27240049724099347,0.2795399095271853],"n_dims_used":44,"mean_confidence":0.8957121588967063},"coverage":{"mean_confidence":0.8957121588967063,"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}}