{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001269},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002891","490:4900001139","494:4940004472","490:4900002889","490:4900006619","490:4900001417","490:4900002130","490:4900006261","490:4900002129","494:4940007757","490:4900002128","494:4940007676","494:4940008832","494:4940008089","494:4940008496","490:4900003708","490:4900005087","490:4900001005","490:4900004570","490:4900003980","490:4900004290","494:4940008407","490:4900003442","496:4960008679","490:4900002135"],"twin_admin_codes":[490,490,494,490,490,490,490,490,490,494,490,494,494,494,494,490,490,490,490,490,490,494,490,496,490],"twin_sims":[0.23100451877763822,0.20903313596950984,0.19211858235431545,0.17423341757422586,0.1739204269944596,0.16807184847585832,0.1538823260130011,0.14168777441355998,0.13748032070769917,0.13468617315913092,0.13281465055913566,0.13124218560160245,0.12725278365288023,0.1266219394409708,0.12489195596746168,0.11878660909382245,0.11852551784210454,0.11639480627018077,0.11455239026105807,0.11241941202411528,0.11144715331283507,0.10988439731323044,0.10669223270545106,0.10507069702812555,0.10378809934925926],"twin_dists":[0.2223334398379016,0.2297906922769048,0.2359031608046774,0.24278953541839948,0.2429144163801766,0.24527811945398445,0.2512705228024669,0.2567529870744461,0.25872578837043947,0.2600609957232765,0.26096698628650583,0.2617356593804361,0.2637174778815058,0.26403515126735394,0.26491251927569537,0.26808476341776416,0.268223172957233,0.26936152546188674,0.2703588192454591,0.27152892645966625,0.2720679727359236,0.27294206695194967,0.27475787579474614,0.2756964561280642,0.276446866792064],"n_dims_used":45,"mean_confidence":0.9205401950412326},"coverage":{"mean_confidence":0.9205401950412326,"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}}