{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009130},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009018","490:4900008910","490:4900009019","490:4900008573","490:4900009356","490:4900009140","490:4900009023","490:4900009353","490:4900009144","490:4900008356","490:4900008996","490:4900011715","490:4900009415","490:4900008255","490:4900008147","490:4900008590","490:4900008467","490:4900008681","490:4900008911","490:4900009129","490:4900008909","490:4900009020","490:4900008242","490:4900008256","490:4900009248"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.04240097446465391,0.00442854602729242,0.0024934183677052736,0.0006258661692906206,0.0005496224733486782,0.000400674706496507,0.0003199573907234493,0.0002900462706248076,0.0002443742527884264,0.00020490683650792183,0.00013883716593958268,0.00008142089828761217,0.00007139027146666922,0.00006612237682710754,0.00006283693224381507,0.000044450531144804737,0.00003846010662996693,0.000034829764870509466,0.000019126914884103717,0.00001884838313423794,0.000014889750459963494,0.000012513706377904562,0.00001220840585107844,0.000010072722604698913,0.000009722480775116022],"twin_dists":[0.3265295637212965,0.4275883116049729,0.449677191954827,0.4988388944582037,0.5032122364590351,0.5136978665002172,0.5210321873297389,0.5241998842485949,0.5296844527345398,0.5352642757787285,0.5473931174266841,0.5635977735341416,0.567518785896761,0.5697924973681134,0.5712991827696022,0.5814297787734792,0.5856141024443786,0.5884629565469275,0.605399416983859,0.6058079907426478,0.612336859093644,0.6171070963963217,0.6177818478673006,0.6230099466794242,0.6239673666918408],"n_dims_used":45,"mean_confidence":0.8817259894476996},"coverage":{"mean_confidence":0.8817259894476996,"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}}