{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000046},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000348","490:4900000286","490:4900000835","490:4900000030","490:4900000057","490:4900000026","496:4960006644","490:4900000433","496:4960006764","490:4900000025","490:4900000029","496:4960008385","496:4960007031","490:4900000423","496:4960006897","494:4940008621","490:4900000047","490:4900000288","490:4900000718","490:4900002186","494:4940008339","496:4960005708","490:4900000699","490:4900000695","496:4960004974"],"twin_admin_codes":[490,490,490,490,490,490,496,490,496,490,490,496,496,490,496,494,490,490,490,490,494,496,490,490,496],"twin_sims":[0.6126042339472938,0.5489562698972668,0.506537207485183,0.4721108543249366,0.4657233631303729,0.4421248065890979,0.4354013387278508,0.4336551153446188,0.43301228850625195,0.41657848599062236,0.4164293273362248,0.3750772908581601,0.36667106397440236,0.3646688824547278,0.3629302773612711,0.36211312729559025,0.3619439387780313,0.36037886714933465,0.3597020922803318,0.3580070126528008,0.35065230862469315,0.3498745480479502,0.3496209930942916,0.34807657164462197,0.3460510945610941],"twin_dists":[0.12857392852439847,0.1422391284230893,0.15147591654321904,0.15912051944200592,0.16055801055975283,0.16593091711000646,0.16748140295896974,0.16788564333796166,0.16803461823750981,0.17187458276698014,0.17190972432576762,0.18188208251612634,0.18397216148900403,0.18447348663644,0.18490994202598016,0.1851154431311001,0.18515802092852104,0.18555236607507564,0.18572316077301534,0.18615166327496516,0.18802310571503758,0.18822219959412245,0.18828715556526704,0.1886833420422023,0.1892043377705652],"n_dims_used":45,"mean_confidence":0.917798105875651},"coverage":{"mean_confidence":0.917798105875651,"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}}