How many HDB resale flats were registered in Yishun in September 2019?

September 2019.

163Registrations recorded

Ledger rows whose subject key names this town (keys from sg:hdb:YISHUN|), whose attribute is resale_price_sgd, and whose observed month is 2019-09. Each registration seals one such row, so this counts registrations, not re-reads.

Against the last month

1782019-08

1632019-09

A difference of -15 against 2019-08. Both figures come from the same read, asked of each window.

The newest receipt

Receipt	Subject	Observed	Fetched
ffe1ee680bc6614d9e721f000c8e6da57629dfd8b8b52117076502b5da081477	sg:hdb:YISHUN\|424D\|YISHUN AVE 11\|4 ROOM\|01 TO 03\|Model A	2019-09-01T00:00:00.000Z	2026-09-28T10:02:27.055Z

The day root

The newest receipt was written on 2026-09-28, and that day's root holds it.

Field	Value
Root	2de9eb75255c802637066327bdea4290bf4408a9061eaf52386b9c71aa0d6540
State	confirmed 2026-09-30T02:02:29.138Z at block 969,133

This root is held outside the estate. Recompute it from the day's receipts and compare, then check the recorded block.

Where it was read

From the newest 20 rows in this window.

Read from	Observed, the fact's own clock	Fetched, when the estate looked
data.gov.sg	2019-09-01T00:00:00.000Z	2026-09-28T10:02:27.055Z

How the record is kept