{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003397},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001119","490:4900003389","490:4900003136","490:4900002699","490:4900003520","490:4900003128","490:4900003650","490:4900003951","490:4900003122","490:4900002084","490:4900003123","490:4900002069","490:4900002549","490:4900002847","490:4900002526","490:4900002984","490:4900003809","490:4900001914","490:4900004218","490:4900002977","490:4900002377","490:4900002976","490:4900001112","490:4900001237","491:4910001274"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.4634692133230847,0.4207241398835264,0.31095735480532044,0.2647456335198464,0.22756257306039968,0.14709289517832683,0.12097235238222091,0.11990874965841988,0.10497408986797215,0.09966842175318838,0.0920437038190193,0.08183880827149856,0.062078895665206794,0.06134960035904688,0.052716306635205205,0.051620805757044266,0.04307149946929684,0.042491007334622806,0.04085966770480697,0.03451138179806663,0.0343914055168121,0.02989094783658965,0.029105067625942487,0.026114278804841632,0.025691965420306884],"twin_dists":[0.16106691457932654,0.1709000124177571,0.19850834235262094,0.21173810025853018,0.22346942880223597,0.25428157356038156,0.26693509097609913,0.26749253122206296,0.27575272907037535,0.27890717054797504,0.28367940381606305,0.2905825907005146,0.3062036766323301,0.30685395516296704,0.3150804552767216,0.31620266333929586,0.3257180557433892,0.3264199758102549,0.32843672613457453,0.3369969473348224,0.3371712076495283,0.3441159078184635,0.34541940630864354,0.350674248838827,0.35145759076867444],"n_dims_used":45,"mean_confidence":0.9202555338541667},"coverage":{"mean_confidence":0.9202555338541667,"n_dims_used":45,"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}}