{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000066},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000000","480:4800000028","480:4800000106","480:4800000002","491:4910002652","495:4950000814","480:4800000046","480:4800000025","480:4800000010","480:4800000042","491:4910002443","480:4800000006","480:4800000047","480:4800000171","480:4800000245","495:4950000815","480:4800000244","491:4910002953","480:4800000001","480:4800000133","480:4800000041","491:4910002444","480:4800000111","480:4800000131","480:4800000239"],"twin_admin_codes":[480,480,480,480,491,495,480,480,480,480,491,480,480,480,480,495,480,491,480,480,480,491,480,480,480],"twin_sims":[0.07861394211579412,0.03924567054802473,0.02597517997930727,0.023219421738546697,0.022050822562174596,0.02144477884016571,0.020173001675416986,0.019400217499373172,0.01923140267087995,0.016083328000394352,0.015428377730334614,0.014220268757003749,0.01398195282362913,0.01315536550819289,0.012940599543486796,0.012936267494838508,0.01243559746051885,0.010929737567918067,0.010270023267364009,0.010182100253066977,0.009769338569667163,0.009511457846786026,0.009489116106667021,0.008678025071360687,0.008450784320205445],"twin_dists":[0.29290691994847146,0.3305000339968284,0.3509310455611905,0.3562808349716704,0.3587172542806362,0.3600252943623279,0.36287824775932287,0.36468936422830933,0.3650933671769866,0.37326081617209395,0.37513484120004614,0.3787834322372177,0.3795352905422708,0.3822339025542156,0.3829595711462936,0.3829743179545308,0.3847088457223466,0.39032709205905813,0.39300826691166246,0.39337710782853996,0.3951475409908982,0.39628782239243304,0.3963879059188519,0.40017199245887725,0.40128888111153105],"n_dims_used":42,"mean_confidence":0.9028356642950148},"coverage":{"mean_confidence":0.9028356642950148,"n_dims_used":42,"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}}