{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005125},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["467:4670001181","493:4930000542","478:4780003285","487:4870010585","480:4800005056","493:4930000348","490:4900002010","480:4800004704","466:4660003980","467:4670002306","493:4930005977","468:4680000416","479:4790004043","496:4960004757","466:4660012911","466:4660012332","480:4800004888","466:4660005576","490:4900004988","493:4930000346","469:4690002379","480:4800004700","487:4870004092","487:4870011099","466:4660005687"],"twin_admin_codes":[467,493,478,487,480,493,490,480,466,467,493,468,479,496,466,466,480,466,490,493,469,480,487,487,466],"twin_sims":[0.005934948311349838,0.005222178249489858,0.004493569982836439,0.003975466763184567,0.0037260846627391315,0.0021850886241695116,0.0017945174963289795,0.0017065538588716376,0.001151936983980138,0.0006271951134516724,0.0002998210796180703,0.0002746354152318566,0.0002617237448876972,0.0002582122407564516,0.0002538548369346075,0.00022479866967581278,0.00021675298535687087,0.00020217585265344323,0.0001966003291395953,0.00017454672197313016,0.00015060232660053427,0.00013915925778528463,0.00010300561726763384,0.00008945786089280151,0.00008866054718814985],"twin_dists":[0.4158781836479286,0.42103540798419864,0.42701292814498676,0.43182488215532155,0.43434802595954436,0.45460148027156383,0.4618501518183185,0.4636820855498783,0.4777655191321274,0.49876716737194116,0.5231322636891901,0.525953707249792,0.5274957790929049,0.5279275276684656,0.5284710173802699,0.532336666372435,0.5334902538724995,0.5356869259160159,0.5365667480496099,0.5402940420657147,0.5448809099010341,0.5473217093396539,0.5565156495189375,0.5607733983223312,0.5610426195941381],"n_dims_used":45,"mean_confidence":0.8959501478407118},"coverage":{"mean_confidence":0.8959501478407118,"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}}