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 #1628 visited the Market and took a simulated food ration.

Id

620d5ebf-0…34ff62dd620d5ebf-0db7-4aca-bc18-6b3834ff62ddCopy

Full value

620d5ebf-0db7-4aca-bc18-6b3834ff62dd

Sequence

805621

Kind

citizen.market_visit

Category

citizen

Source

simulation

Occurred (UTC)

2026-10-28T09:49:09.978243+00:00

Created (UTC)

2026-10-28T09:49:14.219602+00:00

World seconds

74688810

Citizen

f94e33e5-4…6b36d334f94e33e5-4d79-4eb9-b18b-4b8d6b36d334Copy

Full value

f94e33e5-4d79-4eb9-b18b-4b8d6b36d334

Related citizen

—

Building

market

Intent

—

Decision

—

Tick

242381

Chain status

offchain

Integrity class

live

chogos-event-v1
id:620d5ebf-0db7-4aca-bc18-6b3834ff62dd
seq:805621
kind:citizen.market_visit
category:citizen
source:simulation
summary:CHOG #1628 visited the Market and took a simulated food ration.
occurredAt:2026-10-28T09:49:09.978Z
createdAt:2026-10-28T09:49:14.219Z
worldS:74688810
tickSeq:242381
actorCitizenId:f94e33e5-4d79-4eb9-b18b-4b8d6b36d334
relatedCitizenId:
buildingId:market
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:f94e33e5-4d79-4eb9-b18b-4b8d6b36d334:10945:citizen.market_visit
intentId:
decisionId:
payload:{"action":"shop","activity":"shopping","arrived":false,"buildingName":"Market","durationWorldMinutes":49,"foodTaken":1,"tokenId":"167"}
stateTransition:{}
prevEventHash:0xab0b44d6da7cc5a9f5ec071c6f8b3ef7fb14d2e844d099945b3e8399c190aa9f

Hashes

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

Stored event hash

0x5d2ee5ec…5b9af2690x5d2ee5ecdb4c9368b0037ce0ed36c2fe537edf88f6f1e6db1e0286995b9af269Copy

Full value

0x5d2ee5ecdb4c9368b0037ce0ed36c2fe537edf88f6f1e6db1e0286995b9af269

Recomputed event hash

0x5d2ee5ec…5b9af2690x5d2ee5ecdb4c9368b0037ce0ed36c2fe537edf88f6f1e6db1e0286995b9af269Copy

Full value

0x5d2ee5ecdb4c9368b0037ce0ed36c2fe537edf88f6f1e6db1e0286995b9af269

Previous event hash

0xab0b44d6…c190aa9f0xab0b44d6da7cc5a9f5ec071c6f8b3ef7fb14d2e844d099945b3e8399c190aa9fCopy

Full value

0xab0b44d6da7cc5a9f5ec071c6f8b3ef7fb14d2e844d099945b3e8399c190aa9f

Next event hash

0x1b3f1a42…223d72ab0x1b3f1a420bd0152ce8554b458fdfaf050515ed905f09f1cb3036bedb223d72abCopy

Full value

0x1b3f1a420bd0152ce8554b458fdfaf050515ed905f09f1cb3036bedb223d72ab

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.