{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000500},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000339","490:4900000696","490:4900000501","490:4900000410","490:4900000818","490:4900000408","496:4960008364","490:4900000188","490:4900000511","496:4960008578","490:4900000285","490:4900000235","490:4900000489","490:4900000467","490:4900000784","490:4900000589","496:4960008766","496:4960009167","496:4960009176","490:4900000622","490:4900001591","490:4900000143","496:4960008369","490:4900000109","490:4900000226"],"twin_admin_codes":[490,490,490,490,490,490,496,490,490,496,490,490,490,490,490,490,496,496,496,490,490,490,496,490,490],"twin_sims":[0.7918299265200214,0.6877153137270936,0.5937339736950614,0.5811136081844905,0.558049221705041,0.5535166513267913,0.5449568566691639,0.5251466052574927,0.5202689868909489,0.4935480000802003,0.4932972731865074,0.48166412858118485,0.47722223568835687,0.4739298865643254,0.46610530493338964,0.4651318394983838,0.4578291638970773,0.4542968815934444,0.45002307718288487,0.4442170606088598,0.4402066589671173,0.432023916389599,0.42834408135397456,0.4251890389414339,0.42478477703504064],"twin_dists":[0.08873548284861087,0.11238163509554316,0.13261500568870474,0.1353201170444701,0.14027744630605524,0.14125466441369314,0.1431036109850588,0.1474035732530889,0.14846753770176332,0.15434151619358444,0.15439703865114401,0.1569825583260093,0.1579748968160425,0.1587123504902506,0.16047186688754844,0.16069147183640672,0.16234406178419705,0.16314679569301863,0.16412111211756428,0.16545030607249672,0.1663723087171936,0.16826384704094008,0.16911917213434627,0.16985491825573648,0.16994935394491462],"n_dims_used":45,"mean_confidence":0.907855224609375},"coverage":{"mean_confidence":0.907855224609375,"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}}