UTC00:55ZNowSIREN 454.1/100Delta−0.1downsince 00:26ZObservedSources18/18reportingStatusOPERATIONAL

Where are the SIREN index moves? · 2026-10-20

SIREN 4 holds at 53.3

AI activity index today · AI activity level today · SIREN

Observed . The composite fell 0.1 points to 53.3 of 100. Capability was the highest-scoring live pillar at 63.4. The level did not change and no anti-flap rule was triggered.

53.4 53.3 −0.1

SIREN 4 · ROUTINE

Observed at
Prior score
53.4
New score
53.3
Change
−0.1
Level
SIREN 4 (ROUTINE), unchanged
Anti-flap rule
none
Engine version
1.0.0

Which pillars scored at this observation?

PillarScoreLive sources
Capability63.41 / 4
Compute & Capital45.71 / 3
Attention33.82 / 3
Governance53.21 / 2
Marketsno baseline0 / 3

Which inputs did the engine see?

Every reading the engine saw, exactly as fetched. Dark sources are listed as dark and were excluded from the arithmetic; none of them was imputed or treated as zero.

What is the receipt for this observation?

This observation is sealed into an append-only hash chain. The hash is the SHA-256 of this receipt’s canonical JSON with the hash field removed; prev_hash is the previous receipt’s hash. Change any input after the fact and every subsequent hash breaks.

Receipt id
2026-10-20T21-17-09Z
Hash
sha256:f92428da5cdefad8685e4acc777d10f7d61f4435d6ad5674e5ae840d06e5573a
Previous hash
sha256:d902ede7609c906cac57f29cea8e272af34d904e7a74f4209bb1a7c54f8c15d0

What questions do people actually ask?

Which pillars scored at this observation?

The composite fell 0.1 points to 53.3 of 100. Capability was the highest-scoring live pillar at 63.4. The level did not change and no anti-flap rule was triggered.

Which inputs did the engine see?

Every reading the engine saw, exactly as fetched. Dark sources are listed as dark and were excluded from the arithmetic; none of them was imputed or treated as zero.

What is the receipt for this observation?

This observation is sealed into an append-only hash chain. The hash is the SHA-256 of this receipt’s canonical JSON with the hash field removed; prev_hash is the previous receipt’s hash. Change any input after the fact and every subsequent hash breaks.

Does this move mean a doom probability?

No. SIREN measures activity tempo. A move is a score change with a receipt — not a probability of harm.

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