Where are the SIREN index moves? · 2026-10-18
SIREN 4 holds at 48.8
AI activity index today · AI activity level today · SIREN
Observed . The composite fell 0.1 points to 48.8 of 100. Capability was the highest-scoring live pillar at 55.3. The level did not change and no anti-flap rule was triggered.
none1.0.0Which pillars scored at this observation?
| Pillar | Score | Live sources |
|---|---|---|
| Capability | 55.3 | 1 / 4 |
| Compute & Capital | 44.3 | 1 / 3 |
| Attention | 34.4 | 2 / 3 |
| Governance | 50.0 | 1 / 2 |
| Markets | no baseline | 0 / 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.
- arxiv [capability] 2038 papers/7d
- github-releases [capability] dark · uncalibrated: "github-releases" has no entry in data/reference.json yet, so it is collected and published but not scored
- huggingface [capability] dark · uncalibrated: "huggingface" has no entry in data/reference.json yet, so it is collected and published but not scored
- openrouter [capability] dark · uncalibrated: "openrouter" has no entry in data/reference.json yet, so it is collected and published but not scored
- sec-fts [compute] 2859 filings/30d
- stockanalysis [compute] dark · uncalibrated: "stockanalysis" has no entry in data/reference.json yet, so it is collected and published but not scored
- vastai [compute] dark · uncalibrated: "vastai" has no entry in data/reference.json yet, so it is collected and published but not scored
- hn [attention] 938 points/24h
- intelligence-arena [attention] dark · uncalibrated: "intelligence-arena" has no entry in data/reference.json yet, so it is collected and published but not scored
- wikipedia [attention] 85355.2857142857 pageviews/day
- federal-register [governance] 22 documents/30d
- govuk [governance] dark · uncalibrated: "govuk" has no entry in data/reference.json yet, so it is collected and published but not scored
- kalshi [markets] dark · uncalibrated: "kalshi" has no entry in data/reference.json yet, so it is collected and published but not scored
- manifold [markets] dark · uncalibrated: "manifold" has no entry in data/reference.json yet, so it is collected and published but not scored
- polymarket [markets] dark · uncalibrated: "polymarket" has no entry in data/reference.json yet, so it is collected and published but not scored
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.
2026-10-18T23-21-48ZWhat questions do people actually ask?
Which pillars scored at this observation?
The composite fell 0.1 points to 48.8 of 100. Capability was the highest-scoring live pillar at 55.3. 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.