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 finished a shift at Workshop C.

Id

7289190d-0…f2965fb07289190d-0ed7-4eaf-a6da-7e3cf2965fb0Copy

Full value

7289190d-0ed7-4eaf-a6da-7e3cf2965fb0

Sequence

805662

Kind

work.shift_completed

Category

work

Source

simulation

Occurred (UTC)

2026-10-28T09:49:56.478243+00:00

Created (UTC)

2026-10-28T09:49:58.323598+00:00

World seconds

74691600

Citizen

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

Full value

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

Related citizen

—

Building

workshop-04

Intent

—

Decision

—

Tick

242389

Chain status

offchain

Integrity class

live

chogos-event-v1
id:7289190d-0ed7-4eaf-a6da-7e3cf2965fb0
seq:805662
kind:work.shift_completed
category:work
source:simulation
summary:CHOG #1627 finished a shift at Workshop C.
occurredAt:2026-10-28T09:49:56.478Z
createdAt:2026-10-28T09:49:58.323Z
worldS:74691600
tickSeq:242389
actorCitizenId:6a5127e5-b2ce-4e72-88ce-fd1759418a17
relatedCitizenId:
buildingId:workshop-04
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:6a5127e5-b2ce-4e72-88ce-fd1759418a17:13458:work.shift_completed
intentId:
decisionId:
payload:{"activity":"working","buildingName":"Workshop C","role":"crafter","shift":1,"tokenId":"166"}
stateTransition:{}
prevEventHash:0x831b1c349883cccc19240035b026d463234fe76db1898666e04569b4787832eb

Hashes

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

Stored event hash

0x41b175b2…92c310800x41b175b23f9554190a05c0287f38c9e5082a224aa6866458ff0becb492c31080Copy

Full value

0x41b175b23f9554190a05c0287f38c9e5082a224aa6866458ff0becb492c31080

Recomputed event hash

0x41b175b2…92c310800x41b175b23f9554190a05c0287f38c9e5082a224aa6866458ff0becb492c31080Copy

Full value

0x41b175b23f9554190a05c0287f38c9e5082a224aa6866458ff0becb492c31080

Previous event hash

0x831b1c34…787832eb0x831b1c349883cccc19240035b026d463234fe76db1898666e04569b4787832ebCopy

Full value

0x831b1c349883cccc19240035b026d463234fe76db1898666e04569b4787832eb

Next event hash

0xe47b2160…da78d3490xe47b216091fb83ec86975b4427ccc14a226b0da552d66c8ffd89166eda78d349Copy

Full value

0xe47b216091fb83ec86975b4427ccc14a226b0da552d66c8ffd89166eda78d349

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.