{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003398},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001246","490:4900002697","490:4900002990","490:4900002698","490:4900003949","490:4900003810","490:4900003803","490:4900003257","490:4900004357","490:4900003662","490:4900003535","490:4900002991","490:4900004217","490:4900002994","490:4900004223","490:4900003522","490:4900003529","490:4900003127","490:4900003792","490:4900003255","490:4900003261","490:4900002996","490:4900004369","490:4900002550","490:4900003134"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5347758305141908,0.5079862365013126,0.5072110445087138,0.4975700001651615,0.4903664753873824,0.48858955611314103,0.4390800246281342,0.4243676137907901,0.39214939592059167,0.3293112472235904,0.2783307629103044,0.25537550263707076,0.24935551154984673,0.2368533368734412,0.22256520377184383,0.21581918416574145,0.20912297232130414,0.19414416388391934,0.18914176957504028,0.17973375629877894,0.16260940447227867,0.15877768781903928,0.1549768819280904,0.14828086077358069,0.13564730364393499],"twin_dists":[0.14530948589644524,0.15115749231568923,0.15132781101089854,0.15345197236436414,0.15504666929453356,0.15544109769491496,0.1666319122933998,0.1700468425955755,0.17770630751107666,0.19357415995338587,0.20771353236521126,0.21458946264796808,0.21645644669602457,0.22042835483286757,0.2251392251645693,0.22743350351443636,0.22975915031299154,0.2351520452408621,0.23701709227252699,0.24062056630248516,0.24753983556341688,0.24915940555759347,0.2507942814278439,0.2537474355662007,0.25959938868125915],"n_dims_used":45,"mean_confidence":0.9159378051757813},"coverage":{"mean_confidence":0.9159378051757813,"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}}