{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001601","477:4770001494","477:4770001320","500:5000004860","500:5000004695","500:5000001278","485:4850000521","499:4990001964","500:5000004691","485:4850007786","500:5000005865","485:4850007627","500:5000005221","500:5000005043","477:4770001662","500:5000001346","500:5000005056","485:4850008951","485:4850000346","500:5000002016","477:4770001552","500:5000005041","479:4790000761","500:5000005540","500:5000004858"],"twin_admin_codes":[477,477,477,500,500,500,485,499,500,485,500,485,500,500,477,500,500,485,485,500,477,500,479,500,500],"twin_sims":[0.551155705644849,0.5188429868261354,0.43546223739082035,0.42858415657839155,0.40735649041775096,0.40601032731127457,0.3766831502836707,0.37603409482535555,0.3758838043611819,0.37093131131393836,0.366762463670929,0.3522845157248639,0.35102295891131347,0.3494606512696208,0.3407495001824194,0.33796771121978886,0.337452434974394,0.33631131822733207,0.3319155479116844,0.32953114977357706,0.32739496661485024,0.3228922361963019,0.31494953098089395,0.31097806170304776,0.310762132187647],"twin_dists":[0.14176416597821162,0.1487790307098001,0.16746731698137937,0.16906327886454894,0.17405764824698988,0.17437812503284136,0.18148544820270326,0.1816456599204263,0.1816827766157475,0.18290998068830105,0.1839493088400512,0.18760603648208304,0.18792830662367713,0.1883282448459574,0.1905757246273656,0.19129986628691253,0.1914343521352541,0.1917325760846588,0.1928865450693719,0.19351598389229974,0.19408202716542927,0.19528188465495702,0.19742142784813743,0.19850268419730596,0.19856169748849528],"n_dims_used":45,"mean_confidence":0.9226637098524305},"coverage":{"mean_confidence":0.9226637098524305,"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}}