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 #1608 began a shift at Workshop C.

Id

79452df6-0…4147e49c79452df6-080b-4af9-a823-ad3b4147e49cCopy

Full value

79452df6-080b-4af9-a823-ad3b4147e49c

Sequence

805017

Kind

work.shift_started

Category

work

Source

simulation

Occurred (UTC)

2026-10-28T09:22:53.478243+00:00

Created (UTC)

2026-10-28T09:22:55.606968+00:00

World seconds

74594220

Citizen

4106ef10-8…b8f04f224106ef10-8b6c-4a08-a9bc-2123b8f04f22Copy

Full value

4106ef10-8b6c-4a08-a9bc-2123b8f04f22

Related citizen

—

Building

workshop-04

Intent

—

Decision

—

Tick

242070

Chain status

offchain

Integrity class

live

chogos-event-v1
id:79452df6-080b-4af9-a823-ad3b4147e49c
seq:805017
kind:work.shift_started
category:work
source:simulation
summary:CHOG #1608 began a shift at Workshop C.
occurredAt:2026-10-28T09:22:53.478Z
createdAt:2026-10-28T09:22:55.606Z
worldS:74594220
tickSeq:242070
actorCitizenId:4106ef10-8b6c-4a08-a9bc-2123b8f04f22
relatedCitizenId:
buildingId:workshop-04
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:4106ef10-8b6c-4a08-a9bc-2123b8f04f22:14186:work.shift_started
intentId:
decisionId:
payload:{"action":"work","activity":"working","arrived":true,"buildingName":"Workshop C","consumed":{"wood":2},"durationWorldMinutes":261,"role":"crafter","shift":1,"tokenId":"147"}
stateTransition:{}
prevEventHash:0x5097501b670e29e4c07f178c1091ab075bd04679245b5b50b426d3b0d6aa056c

Hashes

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

Stored event hash

0xa7ea2031…3fccaf660xa7ea2031e067f4874a28b953da44953e3f4eeef6fe450cc0f66755d63fccaf66Copy

Full value

0xa7ea2031e067f4874a28b953da44953e3f4eeef6fe450cc0f66755d63fccaf66

Recomputed event hash

0xa7ea2031…3fccaf660xa7ea2031e067f4874a28b953da44953e3f4eeef6fe450cc0f66755d63fccaf66Copy

Full value

0xa7ea2031e067f4874a28b953da44953e3f4eeef6fe450cc0f66755d63fccaf66

Previous event hash

0x5097501b…d6aa056c0x5097501b670e29e4c07f178c1091ab075bd04679245b5b50b426d3b0d6aa056cCopy

Full value

0x5097501b670e29e4c07f178c1091ab075bd04679245b5b50b426d3b0d6aa056c

Next event hash

0xecc86096…f8da6dcd0xecc86096b9ca304bcf390db795244551fff953b3ae99877ee75d2557f8da6dcdCopy

Full value

0xecc86096b9ca304bcf390db795244551fff953b3ae99877ee75d2557f8da6dcd

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.