Verify event

Recorded world event

This is a recorded simulation or world event. Its hash and any Merkle proof check stored bytes. They do not make this event a blockchain transaction.

Event

Simulation CHOG #1627 visited the Market and took a simulated food ration.

Id

2837faf3-b…03e9a99a2837faf3-b739-48c4-a31e-03d803e9a99aCopy

Full value

2837faf3-b739-48c4-a31e-03d803e9a99a

Sequence

805687

Kind

citizen.market_visit

Category

citizen

Source

simulation

Occurred (UTC)

2026-10-28T09:50:20.978243+00:00

Created (UTC)

2026-10-28T09:50:24.496736+00:00

World seconds

74693070

Citizen

6a5127e5-b…59418a176a5127e5-b2ce-4e72-88ce-fd1759418a17Copy

Full value

6a5127e5-b2ce-4e72-88ce-fd1759418a17

Related citizen

—

Building

market

Intent

—

Decision

—

Tick

242394

Chain status

offchain

Integrity class

live

chogos-event-v1
id:2837faf3-b739-48c4-a31e-03d803e9a99a
seq:805687
kind:citizen.market_visit
category:citizen
source:simulation
summary:CHOG #1627 visited the Market and took a simulated food ration.
occurredAt:2026-10-28T09:50:20.978Z
createdAt:2026-10-28T09:50:24.496Z
worldS:74693070
tickSeq:242394
actorCitizenId:6a5127e5-b2ce-4e72-88ce-fd1759418a17
relatedCitizenId:
buildingId:market
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:6a5127e5-b2ce-4e72-88ce-fd1759418a17:13460:citizen.market_visit
intentId:
decisionId:
payload:{"action":"shop","activity":"shopping","arrived":true,"buildingName":"Market","durationWorldMinutes":50,"foodTaken":1,"tokenId":"166"}
stateTransition:{}
prevEventHash:0xa6f5e5bd767ed89c4fcb405e942ee464e41263d09804f9b7d490129fa0ce45a6

Hashes

Offchain hashes stay on this page, in the canonical document, and in the JSON export. They are not explorer objects.

Stored event hash

0x33c4e201…204088470x33c4e2017942a27f6d31164be499ef66087f3773388639ab8c0b5e2220408847Copy

Full value

0x33c4e2017942a27f6d31164be499ef66087f3773388639ab8c0b5e2220408847

Recomputed event hash

0x33c4e201…204088470x33c4e2017942a27f6d31164be499ef66087f3773388639ab8c0b5e2220408847Copy

Full value

0x33c4e2017942a27f6d31164be499ef66087f3773388639ab8c0b5e2220408847

Previous event hash

0xa6f5e5bd…a0ce45a60xa6f5e5bd767ed89c4fcb405e942ee464e41263d09804f9b7d490129fa0ce45a6Copy

Full value

0xa6f5e5bd767ed89c4fcb405e942ee464e41263d09804f9b7d490129fa0ce45a6

Next event hash

0xd7783401…cd4a72ef0xd7783401c793dc334d2afe0bfa6c8715787a5badae742f89fcb4deebcd4a72efCopy

Full value

0xd7783401c793dc334d2afe0bfa6c8715787a5badae742f89fcb4deebcd4a72ef

Merkle batch id

—

Merkle root

—

Merkle proof

This event is not in a Merkle batch yet.

No inclusion proof is stored for this event yet.

Leaf encoding is bytes32 in an OpenZeppelin standard tree with sortLeaves false. A valid proof matches the supplied root only.

Anchor read

This event has no Merkle batch.

No validated anchor transaction is attached to this batch.

This page reassesses the observation included in the export. It does not open a second RPC from the browser. Repeat getBatch on the recorded contract before treating the root as published. EventAnchor does not check the inclusion proof.

Source

Vercel git commit

045b3fe38d65dfe80d92f37a6772b54aceca4caa

• src/lib/verify/canonical.ts
• src/lib/verify/merkle.ts
• src/lib/verify/chain.ts
• src/lib/verify/anchor.ts
• src/lib/verify/transfer-log.ts
• src/lib/world/transfer.ts
• src/components/verify/event-verifier.tsx
• contracts/src/EventAnchor.sol

Download machine-readable export

• Recompute the SHA-256 of the chogos-event-v1 canonical document from event. Do not trust serverRecomputedHash or any status label.
• Compare that digest to storedHash.
• When previous and next are present, check that the live hash chain links match.
• Verify the OpenZeppelin standard Merkle proof: leaf encoding bytes32, sortLeaves false, against batch.merkleRoot.
• A valid inclusion proof means the leaf matches the supplied root. It does not prove the root was published onchain.
• When anchorObservation is present, repeat eth_chainId, eth_getCode, the transaction receipt, and EventAnchor.getBatch on the recorded chain. The embedded observation is one server read, not a proof by itself.
• EventAnchor stores roots only. It does not verify inclusion and it does not prove the event happened.
• For an nft.transferred row, compare chain 143, the Chog Genesis contract, transaction hash, block, block hash, log index, sender, receiver, and token id with the explorer log. chain_status confirmed is not that comparison. transferLog.matched is true only after a read-only receipt check matched.
• Do not send event data to a third-party hashing site.
• This export is data. Recompute the hash and Merkle proof locally. A matching hash is not proof that the simulation was truthful.
• A privileged database operator can still rewrite history and recompute hashes. An onchain root only detects that after the root was published.
• serverRecomputedHash is a convenience. Compare your own SHA-256 of the canonical document with storedHash.
• Do not send this export to a third-party hashing site.
• The database batch id is a UUID. The onchain batch id is the bytes32 in BatchAnchored. This export does not treat the UUID as that bytes32.