{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001240},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002691","490:4900003372","490:4900004467","490:4900002682","490:4900002531","490:4900003641","490:4900004917","490:4900002545","490:4900005018","490:4900004332","490:4900002825","490:4900005830","491:4910001453","490:4900003112","490:4900001632","490:4900003801","490:4900007037","490:4900004607","483:4830000324","490:4900004746","497:4970001122","490:4900003937","494:4940005915","490:4900005558","494:4940001824"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,483,490,497,490,494,490,494],"twin_sims":[0.0022814739166524076,0.0014954009221590865,0.0011694322719226578,0.0010632596714803084,0.000806681869703657,0.0005178002065430456,0.00023914035530648998,0.00018852193143015992,0.00017888939770157502,0.00016529147112977858,0.00014585566294466064,0.00012763136945647267,0.0001255200173840563,0.0001243600858000619,0.00005703177536347075,0.00004795155139799764,0.00004676410222739194,0.00004181887367398982,0.00003816847354159606,0.00003622267000399459,0.00003078025245279816,0.000029017831608779828,0.000025405725019494265,0.000022894702209150444,0.000022475800344030782],"twin_dists":[0.45299705803781093,0.46846218810067153,0.47723305537845045,0.48058530122680265,0.49018221269893436,0.505207451757337,0.5303734391760623,0.5378841291712716,0.5395262837782118,0.5419922424866245,0.5458713859174661,0.549980176221612,0.5504915273535823,0.5507759202198769,0.5741540002971374,0.5792262182791019,0.5799559647598791,0.5831975580193763,0.5858332986365896,0.5873379057613499,0.5919951305108588,0.5936727473547111,0.5974377750173017,0.600368752015973,0.6008873408069826],"n_dims_used":44,"mean_confidence":0.9114093780517578},"coverage":{"mean_confidence":0.9114093780517578,"n_dims_used":44,"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}}