{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770002975","477:4770002749","477:4770002673","486:4860005055","489:4890005321","489:4890005380","477:4770002898","484:4840001481","477:4770002813","489:4890005401","477:4770001620","489:4890005462","489:4890005379","477:4770002750","467:4670000590","490:4900013233","489:4890005436","490:4900008652","477:4770002745","470:4700007163","490:4900012979","489:4890005354","484:4840007524","500:5000001877","484:4840008582"],"twin_admin_codes":[477,477,477,486,489,489,477,484,477,489,477,489,489,477,467,490,489,490,477,470,490,489,484,500,484],"twin_sims":[0.023258387590947047,0.009797016984539102,0.0070124962718771154,0.004973316667368345,0.004615378059302269,0.0037354201833501633,0.0031837876557703156,0.002783419316539882,0.002056557803124664,0.0019420506849483611,0.00173210675309319,0.0016151177227882083,0.0015681095541270102,0.0014903701327658833,0.0014743458534920344,0.0012726581610508782,0.0012399557641147425,0.001233389767280305,0.001126964109830243,0.0009421220921639167,0.0009155876104767429,0.0008821889980731555,0.0008415699301612189,0.0008371057597675412,0.0007756991033430305],"twin_dists":[0.3562014437930015,0.39502675506059964,0.40905563185530786,0.42298700220686414,0.42595511570059463,0.43425084061725183,0.4404137010062465,0.4455310218448166,0.4568452701210613,0.45895559342418296,0.46314112005866553,0.46568099523682566,0.4667496278227031,0.46858350658000847,0.4689724712141576,0.4742338947976061,0.47515889132868505,0.4753473298192125,0.47853868390013016,0.4848121085923299,0.4858050463305991,0.4870935414546873,0.4887231124496871,0.48890664295389213,0.49152803898015407],"n_dims_used":44,"mean_confidence":0.9184662212025035},"coverage":{"mean_confidence":0.9184662212025035,"n_dims_used":44,"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}}