{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000785","499:4990000623","499:4990000555","477:4770003939","477:4770003863","499:4990001217","477:4770003968","499:4990001318","499:4990000861","499:4990000412","499:4990001218","499:4990000939","499:4990000943","477:4770003616","499:4990000360","477:4770003992","499:4990000852","499:4990000475","499:4990000553","499:4990000786","477:4770003725","499:4990000625","477:4770003866","499:4990000171","499:4990000706"],"twin_admin_codes":[499,499,499,477,477,499,477,499,499,499,499,499,499,477,499,477,499,499,499,499,477,499,477,499,499],"twin_sims":[0.9734552501055982,0.9520961959747136,0.9464371987463814,0.9456284008462091,0.9417146660691882,0.9097348398257127,0.8992165263702485,0.889874436086589,0.8888145618344453,0.887316781202201,0.8854996444492348,0.8717019568038048,0.8715445722147311,0.8703592603269247,0.8645235793893763,0.8643410393699752,0.8628939693793386,0.8593499533108481,0.8570433208345569,0.8564257895764811,0.8546513988145158,0.8513411068521124,0.8509251322709585,0.8397738465617064,0.8334371535618327],"twin_dists":[0.030126079387452837,0.04069413626084651,0.04309432823232017,0.04342766637605937,0.04500969046902812,0.056492298857819576,0.05986394586240851,0.06273755361810662,0.06305714842018949,0.0635066914580891,0.06404885751559955,0.06805911538196169,0.06810385085936364,0.06844008653686799,0.07007849683099464,0.07012930489078699,0.07053116401144016,0.07150862470082428,0.07213982703168523,0.07230816375252588,0.07279036075842304,0.07368415047104047,0.07379594320948375,0.0767519000981949,0.0783988028984887],"n_dims_used":44,"mean_confidence":0.9260267777876421},"coverage":{"mean_confidence":0.9260267777876421,"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}}