{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003872},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002146","490:4900003067","490:4900003729","490:4900002917","490:4900004425","490:4900003069","490:4900003474","490:4900003070","490:4900004440","490:4900003343","490:4900003472","490:4900003865","490:4900004428","490:4900003210","490:4900003873","490:4900003341","490:4900004136","490:4900003465","490:4900003473","490:4900001719","490:4900003342","490:4900002737","490:4900001994","490:4900002302","490:4900004439"],"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":[0.6887583157168199,0.5843531034145345,0.5573227082423483,0.5151269265531507,0.5025073106184005,0.4824137272348021,0.47190512372033117,0.45157485515840956,0.4468828668151626,0.39876573553075506,0.35232396493012624,0.3475744767036126,0.33178179126482477,0.3187817091792902,0.3069048361354688,0.30493485794253306,0.2874980537386149,0.2597843959592684,0.23643307845614897,0.23559763315351792,0.23174809206268793,0.2306521182280694,0.22806438300079468,0.20943061510839098,0.2009836866840533],"twin_dists":[0.11215394725704876,0.13462539647246752,0.14043400297577208,0.14959172675121432,0.15236276727967946,0.15681538215556523,0.15916671583060893,0.16376695238515754,0.1648392003231535,0.17611106554718794,0.1875959687204233,0.18881234217867274,0.19292178876007815,0.1963854026655489,0.19961988044460963,0.2001632664781047,0.20506512736957136,0.2132397684692764,0.22056420773304183,0.22083474344727017,0.2220894978874237,0.22244923153054508,0.22330310621129792,0.2296512052833486,0.23265531181059182],"n_dims_used":45,"mean_confidence":0.9177275763617622},"coverage":{"mean_confidence":0.9177275763617622,"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}}