{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000954},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001041","487:4870000869","487:4870001418","665:6650002055","497:4970003558","497:4970003491","487:4870000866","487:4870000961","665:6650002054","497:4970003449","665:6650002587","487:4870001610","487:4870000960","487:4870001511","487:4870001703","497:4970003477","665:6650001653","487:4870000553","665:6650002127","665:6650002884","497:4970003450","487:4870001605","487:4870002685","665:6650002588","487:4870001225"],"twin_admin_codes":[487,487,487,665,497,497,487,487,665,497,665,487,487,487,487,497,665,487,665,665,497,487,487,665,487],"twin_sims":[0.5732002650477951,0.4681725687593381,0.42219864241486305,0.37039588065137363,0.3597181003920795,0.32689436596420307,0.3244019253369394,0.28721186042835894,0.27271784887660744,0.2657436234193212,0.25676174006620234,0.256147140558967,0.2551079607378525,0.22881670984740166,0.22768579105265507,0.21314047325136223,0.21007217227547617,0.20975603576364224,0.19346848821444673,0.1852160703813579,0.18504344412262472,0.17491933730534726,0.16910772323974277,0.16760112262989313,0.1654737165650499],"twin_dists":[0.13701852222824426,0.16000603399968813,0.170554365115053,0.18304314124760002,0.18571911898221202,0.19421497011381025,0.19487856343603985,0.20514703228733375,0.20936134244015875,0.2114381588314706,0.21416351830608824,0.21435218408800832,0.21467183777816942,0.22305420397527406,0.22342856629391541,0.2283578964117667,0.22942644354434802,0.22953713971054518,0.23540198707949175,0.23850502387939432,0.23857095960529368,0.24251641734089463,0.24485521641448924,0.2454709164155367,0.24634714553430445],"n_dims_used":43,"mean_confidence":0.8909679678983466},"coverage":{"mean_confidence":0.8909679678983466,"n_dims_used":43,"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}}