UTC21:51ZNowSIREN 448.3/100Delta−0.2downsince 21:26ZObservedSources15/15reportingStatusOPERATIONAL

Where are the SIREN index moves? · 2026-10-19

SIREN 4 holds at 48.5

AI activity index today · AI activity level today · SIREN

Observed . The composite fell 0.2 points to 48.5 of 100. Capability was the highest-scoring live pillar at 55.3. The level did not change and no anti-flap rule was triggered.

48.7 48.5 −0.2

SIREN 4 · ROUTINE

Observed at
Prior score
48.7
New score
48.5
Change
−0.2
Level
SIREN 4 (ROUTINE), unchanged
Anti-flap rule
none
Engine version
1.0.0

Which pillars scored at this observation?

PillarScoreLive sources
Capability55.31 / 4
Compute & Capital43.81 / 3
Attention30.82 / 3
Governance52.41 / 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
2026-10-19T21-26-08Z
Hash
sha256:e78c1d5deaeb87c933274f6e262cc63d097787dc7e955a69306875ad21010c9f
Previous hash
sha256:7b84008d727b26a41af96acae7d17e151932f8a8c945040c3216534c951f5639

What questions do people actually ask?

Which pillars scored at this observation?

The composite fell 0.2 points to 48.5 of 100. Capability was the highest-scoring live pillar at 55.3. 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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