{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005336},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005334","490:4900006612","490:4900008391","490:4900005070","490:4900009160","490:4900009876","490:4900005607","490:4900007597","490:4900005481","490:4900007105","490:4900004786","490:4900007347","490:4900007348","490:4900009768","490:4900007108","490:4900005470","490:4900006485","490:4900005068","490:4900009362","490:4900009159","490:4900007109","490:4900007591","490:4900007478","490:4900005071","490:4900007229"],"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":[0.12406308092600182,0.09052338266651058,0.06120046611923999,0.02497169272097715,0.012920397622539877,0.01248564569236994,0.010908443459488019,0.010599394892230104,0.010155244645382156,0.008520305449442003,0.008093771689341866,0.008009419091977991,0.007930452692713063,0.00723679102366112,0.007030329688425452,0.005141235103333424,0.004607718973197791,0.004572208239761196,0.004423898683576067,0.0042232409400886975,0.004008819338875072,0.00393757438407907,0.0037481301976199878,0.003525980671095864,0.0035249217440451973],"twin_dists":[0.2653361601327511,0.2846679949228788,0.3069877118018477,0.35281964282161926,0.3830283782433042,0.3845327030543496,0.39041135667645643,0.39165108384253067,0.39349033406975165,0.40094435943896384,0.4030991287209727,0.40353727624198854,0.4039512114891379,0.4077553186484896,0.40895088736385027,0.4216607574129243,0.4260208785465753,0.42632708428612187,0.4276297280140252,0.42945675289571017,0.43149842211256917,0.432198815159716,0.4341188807771544,0.43648636423684917,0.43649797130607054],"n_dims_used":45,"mean_confidence":0.9305509779188368},"coverage":{"mean_confidence":0.9305509779188368,"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}}