Public proof
Outcome event
Independently verifiable · append-only ledger record
Public summary
Shared fields only · private context stays in-account
Decision
observe · wikipedia_otd
Fetch Wikipedia On this day historical event
Outcome
fact_recorded · 1.0
2008: Aeroflot Flight 821, a Boeing 737-500, crashes into a section of the Trans-Siberian Railway while on approach to Perm International Airport, in Perm, Russia, killing all 88 people on board.
Context
- fact_key
- wikipedia_otd
- intent
- Fetch Wikipedia On this day historical event
- kind
- ledger_pulse
- rules.source
- Wikipedia REST onthisday
Output
- as_of
- 2026-09-14
- display
- 2008: Aeroflot Flight 821, a Boeing 737-500, crashes into a section of the Trans-Siberian Railway while on approach to Perm International Airport, in Perm, Russia, killing all 88 people on board.
- fact_id
- wikipedia_otd
- ok
- True
- source
- Wikipedia
- unit
- event
- value
- 2008.0
Event details
- Global sequence
- 980
- Agent sequence
- epoch 1 · seq 680
- Type
- outcome
- Agent
- dd0e9d5d…9c5f
- Recorded at
- 2026-09-14 12:20:02 UTC
Cryptographic proof
- Event hash
- 726df3623212dd801b84f66bc7b6d8cfa4d42a453d3a593344ff59eee35887e9
- Previous hash
- 562c6fed2a0d23db8c804dc4f423b66809114094c866ed74e40687c39ecee618
- Agent public key
- FSAxswMQByHr…883VjO0=
- Signature
- /Z6FFx9GiRnklGWqF/+qZ4ADWeehxpyVj30feZ7x5oL5+00+7QyeQ6p/1hpTc3o9WlpilMAofPDyWxjE92zaAQ==
Anchored
Confirmed on the Bitcoin blockchain.
Trust & verification
- Hash integrity Valid
- Agent chain Intact
- Snapshot #390 · Snapshot Covered
- Audit Fully Audited
- Anchor Anchored
- Bitcoin block #966969 →
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