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 #1030 finished a shift at Workshop D.

Id

30c76774-6…4319596630c76774-6ef4-41e8-807e-c33c43195966Copy

Full value

30c76774-6ef4-41e8-807e-c33c43195966

Sequence

805076

Kind

work.shift_completed

Category

work

Source

simulation

Occurred (UTC)

2026-10-28T09:25:08.978243+00:00

Created (UTC)

2026-10-28T09:25:11.808523+00:00

World seconds

74602350

Citizen

2b3e4427-b…98f520e52b3e4427-b9f1-4d20-8a38-50cb98f520e5Copy

Full value

2b3e4427-b9f1-4d20-8a38-50cb98f520e5

Related citizen

—

Building

workshop-05

Intent

—

Decision

—

Tick

242097

Chain status

offchain

Integrity class

live

chogos-event-v1
id:30c76774-6ef4-41e8-807e-c33c43195966
seq:805076
kind:work.shift_completed
category:work
source:simulation
summary:CHOG #1030 finished a shift at Workshop D.
occurredAt:2026-10-28T09:25:08.978Z
createdAt:2026-10-28T09:25:11.808Z
worldS:74602350
tickSeq:242097
actorCitizenId:2b3e4427-b9f1-4d20-8a38-50cb98f520e5
relatedCitizenId:
buildingId:workshop-05
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:2b3e4427-b9f1-4d20-8a38-50cb98f520e5:14069:work.shift_completed
intentId:
decisionId:
payload:{"activity":"working","buildingName":"Workshop D","role":"crafter","shift":1,"tokenId":"1538"}
stateTransition:{}
prevEventHash:0xc94bf515df6e2fd2a001475a7b0dde536c5816e2f8da744c83bd4c6eb70a4d33

Hashes

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

Stored event hash

0x756fe924…9967ba5d0x756fe924ad673114b0a594f09fe6431beccf82108948b1678f93b5ad9967ba5dCopy

Full value

0x756fe924ad673114b0a594f09fe6431beccf82108948b1678f93b5ad9967ba5d

Recomputed event hash

0x756fe924…9967ba5d0x756fe924ad673114b0a594f09fe6431beccf82108948b1678f93b5ad9967ba5dCopy

Full value

0x756fe924ad673114b0a594f09fe6431beccf82108948b1678f93b5ad9967ba5d

Previous event hash

0xc94bf515…b70a4d330xc94bf515df6e2fd2a001475a7b0dde536c5816e2f8da744c83bd4c6eb70a4d33Copy

Full value

0xc94bf515df6e2fd2a001475a7b0dde536c5816e2f8da744c83bd4c6eb70a4d33

Next event hash

0x33fef9cb…d6b462740x33fef9cb648456401496d984eeaf00de148731a563c8c64685b7a563d6b46274Copy

Full value

0x33fef9cb648456401496d984eeaf00de148731a563c8c64685b7a563d6b46274

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.