{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000523},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001562","480:4800000946","480:4800000524","480:4800000944","480:4800000488","495:4950001056","495:4950001555","480:4800000330","480:4800000522","480:4800000907","495:4950001209","495:4950001791","495:4950001438","495:4950001667","495:4950001844","480:4800000562","495:4950001152","495:4950001150","495:4950001379","480:4800000560","480:4800000487","480:4800000601","495:4950001377","480:4800000904","495:4950001787"],"twin_admin_codes":[495,480,480,480,480,495,495,480,480,480,495,495,495,495,495,480,495,495,495,480,480,480,495,480,495],"twin_sims":[0.5331083402098497,0.2159610827737698,0.17172101906291085,0.09458064418830017,0.06938277294792908,0.06824698479059903,0.05146200865779017,0.049617696581241995,0.031970615605740174,0.0313342542768166,0.029551172824211002,0.02736442387823184,0.027239750408447803,0.0272071866525381,0.026106545681581696,0.025346034613901235,0.025222695633954035,0.023587674198172464,0.02343643910658755,0.02168739576667731,0.020707894891934503,0.0173364725752642,0.016990763367083037,0.016856803219239037,0.01343330952950909],"twin_dists":[0.14567154754369457,0.22738475233180147,0.24379652569640722,0.282058111163836,0.30001381405179073,0.30094034767982236,0.31636697030851874,0.3183068542219467,0.3408030311553492,0.3417966570172296,0.3446758222114859,0.34841776608065017,0.3486387642317656,0.3486966307115192,0.35068849428981275,0.3521075791507187,0.3523411816251741,0.3555351027717266,0.35584013266101255,0.3594978371370748,0.36165976898292934,0.36985475601948387,0.37077223251186514,0.3711321559908631,0.38131016194043027],"n_dims_used":43,"mean_confidence":0.9024438192678053},"coverage":{"mean_confidence":0.9024438192678053,"n_dims_used":43,"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}}