{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000723},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001068","499:4990001266","499:4990000979","472:4720000676","499:4990000433","499:4990000198","499:4990000643","499:4990001075","499:4990000071","499:4990001079","499:4990000811","499:4990000801","499:4990000980","468:4680006044","499:4990000280","472:4720006384","499:4990000369","499:4990000886","472:4720001002","472:4720001185","472:4720001004","499:4990000432","499:4990000724","468:4680001010","468:4680002477"],"twin_admin_codes":[499,499,499,472,499,499,499,499,499,499,499,499,499,468,499,472,499,499,472,472,472,499,499,468,468],"twin_sims":[0.9153343279865027,0.9018840082183224,0.8653388094927612,0.8503847137647749,0.8397796193499498,0.8145979462124575,0.8072083485973065,0.7887269320030369,0.7458267430934166,0.7301562709078153,0.7152941548262778,0.684148563276994,0.6832405865203941,0.6748441718078046,0.6723015055266126,0.668250837850216,0.6643648898985823,0.65973070211632,0.6588881277871292,0.6537127697892878,0.6519479041380221,0.6386428562616003,0.6318966911369369,0.6283351317622626,0.6220536277044928],"twin_dists":[0.054629444062385284,0.059023449757017406,0.06985126651730647,0.07394100911716314,0.0767503893759648,0.08317253934124429,0.08500053864020894,0.08947873602635084,0.09946417978581465,0.1030022920641679,0.10631659363238419,0.11315939367247331,0.11335717731477646,0.11518241227991957,0.1157338905514888,0.11661133190104228,0.11745189008384545,0.11845287384889176,0.11863471320133492,0.1197506460327191,0.1201308289201828,0.12299187884400757,0.12443973480001615,0.1252035331705139,0.12654987260438286],"n_dims_used":45,"mean_confidence":0.9231427510579427},"coverage":{"mean_confidence":0.9231427510579427,"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}}