UTC20:30ZNowSIREN 448.5/100Delta−6.0downsince 19:59ZObservedSources17/18reportingDark1StatusDEGRADED

Where are the SIREN index moves? · 2026-10-21

SIREN 4 holds at 54.5

AI activity index today · AI activity level today · SIREN

Observed . The composite fell 0.0 points to 54.5 of 100. Capability was the highest-scoring live pillar at 63.5. The level did not change and no anti-flap rule was triggered.

54.6 54.5 −0.0

SIREN 4 · ROUTINE

Observed at
Prior score
54.6
New score
54.5
Change
−0.0
Level
SIREN 4 (ROUTINE), unchanged
Anti-flap rule
none
Engine version
1.0.0

Which pillars scored at this observation?

PillarScoreLive sources
Capability63.51 / 5
Compute & Capital46.81 / 4
Attention39.32 / 4
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
2026-10-21T19-59-09Z
Hash
sha256:214f37b72f337a96661f260420dfb9adce8a72179ae8a52a284cbd773d09c20a
Previous hash
sha256:025f3b9952266e492ff953572a9f63ae691c086f5d97840a2a0770e3ecf2f3bf

What questions do people actually ask?

Which pillars scored at this observation?

The composite fell 0.0 points to 54.5 of 100. Capability was the highest-scoring live pillar at 63.5. 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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