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ENTITY · MODEL

model:claude-opus-5-5

KNOWN AS OF CHECKPOINT 21 RULES wm-3

One entity of the world model: its state at a signed checkpoint, the changes the model saw, and its links in and out. The model is derived from the log and the public event rows; it can be rebuilt from the CC0 dumps.

As of checkpoint 21, signed 2026-11-10T16:37:37Z. This is the state at that checkpoint, not now. Show the latest.
$ curl -H 'Accept: application/json' https://aisourceoftruth.com/e/model/claude-opus-5-5?as_of=21 # this page is a rendering of the API. Reproduce it as data.
AS OF A SIGNED CHECKPOINT
LATEST2423222120
23 TO 24

Pick a checkpoint to see the state the world model gives for it, or compare two points to see what changed between them, with the proof that the later log extends the earlier one. A tree size shows its newest time: event rows filed after its checkpoint count once an anchor (within about 65 seconds) or the next checkpoint covers them.

The log has 24 records. Search them.

WATCH (ATOM FEED)
TIMELINE · 1

How it changed

ATCHANGECAUSE
2026-11-09T21:08:53Zfirst seen8bbd5aadf1610d4e…

Changes in time order, as the projector wrote them. A change marked after this checkpoint counts from a later one.