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

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

SIREN 4 holds at 54.8

AI activity index today · AI activity level today · SIREN

Observed . The composite fell 0.1 points to 54.8 of 100. Capability was the highest-scoring live pillar at 65.0. The level did not change and no anti-flap rule was triggered.

54.9 54.8 −0.1

SIREN 4 · ROUTINE

Observed at
Prior score
54.9
New score
54.8
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
Capability65.01 / 4
Compute & Capital46.51 / 3
Attention37.22 / 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
2026-10-21T14-53-51Z
Hash
sha256:491e18f0acb44985d2bfb7a79f1e4ebb7d49e0b6d6dc800bd277527c2beeefb2
Previous hash
sha256:1acb8bafe926adeb0b451e79b75936361923d3e49c0a1cd425a6ab9c0ef544a3

What questions do people actually ask?

Which pillars scored at this observation?

The composite fell 0.1 points to 54.8 of 100. Capability was the highest-scoring live pillar at 65.0. 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.

← Newer observation · Older observation →

SIREN is free and carries no display ads. Keep it running: Support SIREN on Ko-fi →

News & alerts live · news – · SIREN score (hourly) Feedback ☕ Support𝕏 Post