{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000637},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000638","490:4900000633","490:4900000636","490:4900000746","490:4900000744","490:4900000745","490:4900000743","490:4900000861","490:4900013299","494:4940007326","490:4900013117","490:4900012788","494:4940008048","487:4870000186","494:4940004447","490:4900000532","490:4900000742","490:4900000639","494:4940003849","478:4780001743","490:4900012976","494:4940008047","494:4940008147","494:4940004080","494:4940005184"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,490,494,487,494,490,490,490,494,478,490,494,494,494,494],"twin_sims":[0.19930852726838358,0.0640810604375363,0.028268754343783422,0.022001504796046303,0.021148872811727185,0.02003836640202593,0.015054753176855167,0.013322053141097448,0.012197979513936537,0.011613111945277192,0.010430262225247273,0.009676127553718475,0.004709754713172671,0.004120776811337283,0.0038989786895987093,0.0035189074730778594,0.0031873180878384433,0.0029842734308790945,0.0026721533448962028,0.0026409577694185794,0.002595002385248701,0.0025183663768952647,0.002321532387443124,0.0023130928774087256,0.0022483457620098755],"twin_dists":[0.2332613235006503,0.30445008931984846,0.3468401792593169,0.3588225222930275,0.3606756763453761,0.3631893780117685,0.37623549623511227,0.38167787290068955,0.3855538016859436,0.38769744564978137,0.3923432325924128,0.39555656226853936,0.42515279603765715,0.43042033731545465,0.43258306915560757,0.4365639550438064,0.44037125362651014,0.44288529243966646,0.4470728329595376,0.44751565932468224,0.4481768092927274,0.44930359412342813,0.4523484877106016,0.45248426979079787,0.45354136706885395],"n_dims_used":45,"mean_confidence":0.9114762200249567},"coverage":{"mean_confidence":0.9114762200249567,"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}}