{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000294},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000068","477:4770000298","477:4770000112","485:4850004987","470:4700007677","477:4770000113","470:4700008250","477:4770000304","500:5000000606","485:4850004858","477:4770000088","489:4890001388","485:4850004921","485:4850004261","485:4850004122","470:4700008249","470:4700008844","485:4850005771","485:4850005121","487:4870007257","485:4850002761","466:4660007124","477:4770000142","489:4890001256","477:4770000255"],"twin_admin_codes":[477,477,477,485,470,477,470,477,500,485,477,489,485,485,485,470,470,485,485,487,485,466,477,489,477],"twin_sims":[0.5457556851698047,0.4834639884319096,0.47812482226509867,0.4684690313704827,0.402650654689446,0.39758459190425927,0.3666832519839463,0.35440263383400056,0.31072349354014017,0.3096361739866112,0.30388913686576163,0.29987971925130497,0.2949091324937221,0.29462141792519897,0.2829901126877396,0.28159987078551646,0.2768780009215197,0.2651171269067315,0.2609413282299789,0.25990347713381523,0.2546700202632295,0.2528883397114058,0.2525621492917388,0.2512979401593196,0.2509209546854005],"twin_dists":[0.142930855184593,0.15658128903576957,0.15777301601269555,0.15993928751145986,0.17518002688983172,0.17639494896058777,0.18396911395817597,0.18706630179151715,0.19857225986121219,0.19886980163318702,0.20045253697019977,0.20156703027173348,0.20296087420059616,0.20304197668762566,0.2063609825268653,0.20676312988754478,0.2081380624366379,0.21162636736683244,0.21288799144270865,0.2132035152198293,0.2148067962770509,0.21535737457265183,0.21545844141233803,0.21585093147257114,0.21596821511320638],"n_dims_used":45,"mean_confidence":0.9178911844889323},"coverage":{"mean_confidence":0.9178911844889323,"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}}