{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":492,"cluster_id":4920003246},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["492:4920003432","497:4970003046","497:4970002782","491:4910002735","665:6650000974","491:4910003421","492:4920003575","492:4920002808","491:4910005069","492:4920003142","492:4920003292","491:4910004977","497:4970001993","495:4950002117","492:4920003341","497:4970002002","492:4920003430","495:4950001971","492:4920003239","497:4970002307","495:4950001636","497:4970002601","497:4970002003","495:4950001397","497:4970001994"],"twin_admin_codes":[492,497,497,491,665,491,492,492,491,492,492,491,497,495,492,497,492,495,492,497,495,497,497,495,497],"twin_sims":[0.15668931348221962,0.11526389516539708,0.10255954469605304,0.1018968636601444,0.10181248348359352,0.09517528972286905,0.0930818803998341,0.08931555203197168,0.08697343253156302,0.08634854182884291,0.08560601081658782,0.08345292192857375,0.08292814646987573,0.08146195299820827,0.08118212722070282,0.08103496833070331,0.07997509106163725,0.07888010722614495,0.07469903109059543,0.07282724551092627,0.06904720087276363,0.068647556635831,0.06648212623415056,0.06641180210842662,0.06445191357038008],"twin_dists":[0.25005411516055487,0.2699722331392313,0.2771724655563985,0.277566672447744,0.27761701097290903,0.2816830585909123,0.28301172036578764,0.285462802559838,0.28702864517500193,0.28745207801806916,0.2879584078657337,0.28944665281238796,0.2898140236553511,0.29085038121263884,0.29104986565404456,0.29115499449063403,0.29191671308235223,0.29271221373260964,0.29583390794393766,0.2972772909273931,0.3002862696947134,0.3006121544066292,0.30240527076637547,0.3024642970162021,0.30413021572515164],"n_dims_used":45,"mean_confidence":0.9220604790581597},"coverage":{"mean_confidence":0.9220604790581597,"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}}