{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001357},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660002730","469:4690001830","496:4960012064","490:4900000003","496:4960000379","494:4940007381","490:4900006652","466:4660010700","487:4870003859","496:4960004358","488:4880003919","470:4700002447","494:4940007050","466:4660011566","470:4700005774","478:4780004364","487:4870010199","466:4660013129","490:4900007877","496:4960000812","490:4900000838","466:4660014179","487:4870006936","480:4800001834","480:4800000693"],"twin_admin_codes":[466,469,496,490,496,494,490,466,487,496,488,470,494,466,470,478,487,466,490,496,490,466,487,480,480],"twin_sims":[0.17652579424779521,0.16080815624888653,0.14939594287708527,0.13675165015546836,0.11113791496555471,0.0924047948875424,0.0828038969709607,0.07900063248100392,0.07611160182235707,0.074987474072059,0.06868017642026375,0.06749088368310896,0.06406481509204821,0.061321031058614334,0.061231819121116755,0.05977200418974196,0.0547511263725997,0.050903456133597196,0.05076479025151267,0.044757258765509844,0.04139986582482026,0.04005343219473776,0.03981095428080162,0.03972284503000477,0.03727675863453403],"twin_dists":[0.24187973679480512,0.2482976846915197,0.25324893378139685,0.25907201593037527,0.2722401835569561,0.28344650334166177,0.28990127681501665,0.2926242201263908,0.2947638511452683,0.2956140870424917,0.3005854972851004,0.30156412667740007,0.3044641360708827,0.30687955792726745,0.30695956948909414,0.3082826349852783,0.3130464068400474,0.3169482733675108,0.3170934091267098,0.3237238059070249,0.32776150551350447,0.3294586259519713,0.32976936255069655,0.32988267111450564,0.3331165527718466],"n_dims_used":45,"mean_confidence":0.9144065856933594},"coverage":{"mean_confidence":0.9144065856933594,"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}}