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 #1590 visited the Market and took a simulated food ration.

Id

c2d0a534-7…eb217fa8c2d0a534-7a8b-4064-91f2-360beb217fa8Copy

Full value

c2d0a534-7a8b-4064-91f2-360beb217fa8

Sequence

805063

Kind

citizen.market_visit

Category

citizen

Source

simulation

Occurred (UTC)

2026-10-28T09:24:50.978243+00:00

Created (UTC)

2026-10-28T09:24:51.460584+00:00

World seconds

74601270

Citizen

03c725f1-2…8e31397503c725f1-24b3-4fa1-b497-6cea8e313975Copy

Full value

03c725f1-24b3-4fa1-b497-6cea8e313975

Related citizen

—

Building

market

Intent

—

Decision

—

Tick

242093

Chain status

offchain

Integrity class

live

chogos-event-v1
id:c2d0a534-7a8b-4064-91f2-360beb217fa8
seq:805063
kind:citizen.market_visit
category:citizen
source:simulation
summary:CHOG #1590 visited the Market and took a simulated food ration.
occurredAt:2026-10-28T09:24:50.978Z
createdAt:2026-10-28T09:24:51.460Z
worldS:74601270
tickSeq:242093
actorCitizenId:03c725f1-24b3-4fa1-b497-6cea8e313975
relatedCitizenId:
buildingId:market
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:03c725f1-24b3-4fa1-b497-6cea8e313975:12238:citizen.market_visit
intentId:
decisionId:
payload:{"action":"shop","activity":"shopping","arrived":true,"buildingName":"Market","durationWorldMinutes":58,"foodTaken":1,"tokenId":"129"}
stateTransition:{}
prevEventHash:0xd3e05aa936dc1eedb03b86f45003b39a7b4133b012bc09d1857583d744811f00

Hashes

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

Stored event hash

0x1d70f18e…cf7151330x1d70f18ef71ff5b162bf1b722674189814f9f0fefbd2c33e300393b4cf715133Copy

Full value

0x1d70f18ef71ff5b162bf1b722674189814f9f0fefbd2c33e300393b4cf715133

Recomputed event hash

0x1d70f18e…cf7151330x1d70f18ef71ff5b162bf1b722674189814f9f0fefbd2c33e300393b4cf715133Copy

Full value

0x1d70f18ef71ff5b162bf1b722674189814f9f0fefbd2c33e300393b4cf715133

Previous event hash

0xd3e05aa9…44811f000xd3e05aa936dc1eedb03b86f45003b39a7b4133b012bc09d1857583d744811f00Copy

Full value

0xd3e05aa936dc1eedb03b86f45003b39a7b4133b012bc09d1857583d744811f00

Next event hash

0x092d2dc8…4d02d9110x092d2dc8ec01635b41ad9c7fbf6a78306ab94ae836c01a6f04e1b4104d02d911Copy

Full value

0x092d2dc8ec01635b41ad9c7fbf6a78306ab94ae836c01a6f04e1b4104d02d911

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.