UTC21:26ZNowSIREN 448.5/100Delta−0.2downsince 20:34ZObservedSources15/15reportingStatusOPERATIONAL

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

SIREN 4 holds at 49.0

AI activity index today · AI activity level today · SIREN

Observed . The composite fell 0.3 points to 49.0 of 100. Capability was the highest-scoring live pillar at 56.9. The level did not change and no anti-flap rule was triggered.

49.3 49.0 −0.3

SIREN 4 · ROUTINE

Observed at
Prior score
49.3
New score
49.0
Change
−0.3
Level
SIREN 4 (ROUTINE), unchanged
Anti-flap rule
none
Engine version
1.0.0

Which pillars scored at this observation?

PillarScoreLive sources
Capability56.91 / 4
Compute & Capital43.51 / 3
Attention29.92 / 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
2026-10-19T19-31-35Z
Hash
sha256:ad573f21530f4c56f29af677f73d3d38cff9ff110fb0a9a5cdb38f31ce4760d9
Previous hash
sha256:6470d8d1f36f00fff3477420dc57df4845b86380cc558c4aaccdd3bfc5b505df

What questions do people actually ask?

Which pillars scored at this observation?

The composite fell 0.3 points to 49.0 of 100. Capability was the highest-scoring live pillar at 56.9. 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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