{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":474,"cluster_id":4740001852},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["474:4740001759","474:4740002380","474:4740001743","474:4740002371","474:4740001539","474:4740002853","474:4740001223","474:4740001225","474:4740001140","474:4740002479","474:4740002382","474:4740001543","474:4740001342","474:4740001239","474:4740001341","474:4740002064","474:4740001456","474:4740001750","474:4740001763","474:4740001343","474:4740001464","474:4740001656","469:4690003043","487:4870002680","474:4740003226"],"twin_admin_codes":[474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,469,487,474],"twin_sims":[0.7825850289185329,0.6474208835440659,0.586666436364045,0.5826085141662195,0.5733439374738403,0.458372701717912,0.43467520276195976,0.43206318176856784,0.4261216571946835,0.4259194580133133,0.3668731294951706,0.341043807330856,0.3306644144866969,0.32611743893255457,0.3228119474970362,0.3195685434479717,0.30651733245419766,0.2922758458137979,0.28718889862417873,0.2758522998638562,0.2736127626994604,0.26331789092591423,0.2617885780588402,0.2515697925868639,0.24984721102886662],"twin_dists":[0.09094046776310527,0.12110525122753008,0.13412946013618915,0.1349994938342001,0.1369876669166955,0.16222073854775584,0.16764942021959411,0.16825473635859778,0.16963720043331043,0.16968438663752752,0.18392164290707375,0.19049929789291117,0.19321651190236286,0.19442151931218796,0.19530336358635525,0.19617355326212277,0.19972660742881743,0.20370491399299107,0.2051536057847301,0.2084386152240481,0.20909723460883203,0.21216843100807073,0.21263099727885265,0.21576642533133916,0.21630288454533994],"n_dims_used":45,"mean_confidence":0.9177378336588542},"coverage":{"mean_confidence":0.9177378336588542,"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}}