{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004673},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005093","490:4900005231","490:4900005234","490:4900004963","490:4900002741","490:4900003855","490:4900005099","490:4900004680","490:4900005226","490:4900002444","490:4900005102","490:4900004402","490:4900004689","490:4900004672","490:4900001676","490:4900005362","490:4900003714","490:4900001680","490:4900003994","490:4900003036","490:4900003046","490:4900003987","490:4900001973","490:4900004136","490:4900002138"],"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":[0.647691848585317,0.5696544775477002,0.5695600630583382,0.5470790965730356,0.5427703501645627,0.4639852704794933,0.4596023807529407,0.4457563494312567,0.4298252111221608,0.41867260303776194,0.4149467922402831,0.4130142010046829,0.401992167029824,0.3966511319035793,0.38035532707511815,0.3777999679162502,0.3582881327164187,0.34239719974720995,0.3332915250843465,0.3329016204354256,0.3235375516722421,0.3213329701526434,0.3208072731308901,0.317167296989862,0.3123724674681588],"twin_dists":[0.12104695708120765,0.13778027828182773,0.13780056873669239,0.14264474905978167,0.14357669817283722,0.1609503319633772,0.1619419301695777,0.16509727151253445,0.16877454605660228,0.1713817791349213,0.1722593020881186,0.1727158126536422,0.17533754934776755,0.1766195757782852,0.18058153277881245,0.1812100896796992,0.18608052659156613,0.19014829728698013,0.19252443667843194,0.19262696279470132,0.1951093570944145,0.1956995562077628,0.19584062698830038,0.19682099494759742,0.19812215732316135],"n_dims_used":45,"mean_confidence":0.9254030015733506},"coverage":{"mean_confidence":0.9254030015733506,"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}}