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

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

SIREN 4 holds at 54.7

AI activity index today · AI activity level today · SIREN

Observed . The composite fell 0.1 points to 54.7 of 100. Capability was the highest-scoring live pillar at 64.5. The level did not change and no anti-flap rule was triggered.

54.7 54.7 −0.1

SIREN 4 · ROUTINE

Observed at
Prior score
54.7
New score
54.7
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
Capability64.51 / 5
Compute & Capital46.61 / 4
Attention37.72 / 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
2026-10-21T16-39-52Z
Hash
sha256:c9839914bcd221685f9e48e9075006c52ccc5d3138af1c4b02f3fd098f732400
Previous hash
sha256:61146b2ad707af52eed6d20a08481cabde4095399b3a0eef3075101936a5f555

What questions do people actually ask?

Which pillars scored at this observation?

The composite fell 0.1 points to 54.7 of 100. Capability was the highest-scoring live pillar at 64.5. 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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