{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000945},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001446","495:4950001744","480:4800001993","497:4970001250","491:4910005385","495:4950001112","491:4910005677","491:4910005643","491:4910005857","491:4910005446","497:4970001006","480:4800000563","497:4970001500","497:4970001280","480:4800000601","480:4800001308","497:4970000422","491:4910005233","490:4900002844","495:4950001504","491:4910005048","473:4730008296","491:4910005693","497:4970001832","480:4800001986"],"twin_admin_codes":[495,495,480,497,491,495,491,491,491,491,497,480,497,497,480,480,497,491,490,495,491,473,491,497,480],"twin_sims":[0.00309475317401278,0.002874957797102756,0.0013517638320136877,0.001351162691313986,0.0011703552051323908,0.0010324260239078984,0.0005658520886940571,0.0005361245984163753,0.0005277454912778642,0.0002595153031867025,0.00015696067015434002,0.0001265528425780609,0.00012148906447874868,0.00011888528104236101,0.00009987241188595288,0.00009273314506827573,0.00007815532717658362,0.00006926785652144028,0.00006199928172955462,0.00006078557499050908,0.00005864063014361981,0.00005841545313941251,0.00005723831821087541,0.00005500947362711485,0.000051567483375600495],"twin_dists":[0.44149865390123083,0.4443042953459162,0.472084203664859,0.472100096186398,0.477205171463972,0.4816170438390996,0.5022358376503322,0.5040450089902964,0.504571874264235,0.5277666727230638,0.5435992908990346,0.5502403796029619,0.5514907595741386,0.5521529951470844,0.5574511065233372,0.5596907720677817,0.5648215124625438,0.5684150852022354,0.5716952713750629,0.5722782797602238,0.5733361500247622,0.5734493264789968,0.5740477897823445,0.5752136538419643,0.5771052671962535],"n_dims_used":43,"mean_confidence":0.9022720691769622},"coverage":{"mean_confidence":0.9022720691769622,"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}}