UTC19:06ZNowSIREN 357.7/100Delta−0.1downsince 18:17ZObservedSources18/18reportingStatusOPERATIONAL

Where are the SIREN index moves? · 2026-10-27

SIREN 4 holds at 55.3

AI activity index today · AI activity level today · SIREN

Observed . The composite rose 0.2 points to 55.3 of 100. Capability was the highest-scoring live pillar at 59.4. The level did not change: the deadband rule held it.

55.1 55.3 +0.2

SIREN 4 · ROUTINE

Observed at
Prior score
55.1
New score
55.3
Change
+0.2
Level
SIREN 4 (ROUTINE), unchanged
Anti-flap rule
deadband
Engine version
1.0.0

Which pillars scored at this observation?

PillarScoreLive sources
Capability59.41 / 5
Compute & Capital45.71 / 4
Attention53.62 / 4
Governance55.41 / 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
2026-10-27T11-22-51Z
Hash
sha256:159b357dacc5208c174684f6a5b25bca6be6b6f395a055095678e3c5956ea090
Previous hash
sha256:14c18e8a36cb8842cf67a96b3630039c70c75300146a8132c109f3b4e0da6e37

What questions do people actually ask?

Which pillars scored at this observation?

The composite rose 0.2 points to 55.3 of 100. Capability was the highest-scoring live pillar at 59.4. The level did not change: the deadband rule held it.

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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