西王井の頭線｜Seio Inokashira Line #881594950

members (measured 31 Aug 2026, 05:15 UTC)

22 May 2026

created (per Roblox API)

16 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
31 Aug 2026, 05:15	2	first reading

Ownership

Owned by HITACHI (@HitachiIGBT) as measured.

Members we’ve seen

HITACHI (@HitachiIGBT) — Owner (rank 255)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

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Groups whose measured members overlap with this one — a sample from our membership graph.

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Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.