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 #1859 met CHOG #1574 at Commons Square.

Id

b62085a5-a…97eda9d8b62085a5-adc9-4d98-9ce3-3dfc97eda9d8Copy

Full value

b62085a5-adc9-4d98-9ce3-3dfc97eda9d8

Sequence

807498

Kind

social.met

Category

social

Source

simulation

Occurred (UTC)

2026-10-28T11:07:27.478243+00:00

Created (UTC)

2026-10-28T11:07:29.856096+00:00

World seconds

74970660

Citizen

bf8969f9-9…e10c384cbf8969f9-9bcd-490e-b930-5d73e10c384cCopy

Full value

bf8969f9-9bcd-490e-b930-5d73e10c384c

Related citizen

5fbcd41e-4…99d2f20e5fbcd41e-4bfe-4a29-9ee3-3b2899d2f20eCopy

Full value

5fbcd41e-4bfe-4a29-9ee3-3b2899d2f20e

Building

commons-square

Intent

—

Decision

—

Tick

243299

Chain status

offchain

Integrity class

live

chogos-event-v1
id:b62085a5-adc9-4d98-9ce3-3dfc97eda9d8
seq:807498
kind:social.met
category:social
source:simulation
summary:CHOG #1859 met CHOG #1574 at Commons Square.
occurredAt:2026-10-28T11:07:27.478Z
createdAt:2026-10-28T11:07:29.856Z
worldS:74970660
tickSeq:243299
actorCitizenId:bf8969f9-9bcd-490e-b930-5d73e10c384c
relatedCitizenId:5fbcd41e-4bfe-4a29-9ee3-3b2899d2f20e
buildingId:commons-square
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:bf8969f9-9bcd-490e-b930-5d73e10c384c:10595:social.met
intentId:
decisionId:
payload:{"action":"socialize","activity":"socializing","arrived":true,"buildingName":"Commons Square","durationWorldMinutes":91,"relatedTokenId":"113","tokenId":"398"}
stateTransition:{}
prevEventHash:0xf637aaf787f6af9a38570182aeec5bd7a2f8431d34fc4836dbc21c3de863937d

Hashes

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

Stored event hash

0xb756ae98…ce88c0ff0xb756ae98d7e84261a7de40395d3d09d153c81f94667f72b894e1fcb5ce88c0ffCopy

Full value

0xb756ae98d7e84261a7de40395d3d09d153c81f94667f72b894e1fcb5ce88c0ff

Recomputed event hash

0xb756ae98…ce88c0ff0xb756ae98d7e84261a7de40395d3d09d153c81f94667f72b894e1fcb5ce88c0ffCopy

Full value

0xb756ae98d7e84261a7de40395d3d09d153c81f94667f72b894e1fcb5ce88c0ff

Previous event hash

0xf637aaf7…e863937d0xf637aaf787f6af9a38570182aeec5bd7a2f8431d34fc4836dbc21c3de863937dCopy

Full value

0xf637aaf787f6af9a38570182aeec5bd7a2f8431d34fc4836dbc21c3de863937d

Next event hash

0x2709de8c…1a963b920x2709de8cf0e846b3ce4d4a5c9cc2a2cd22adc4af85252c5c6c06ab111a963b92Copy

Full value

0x2709de8cf0e846b3ce4d4a5c9cc2a2cd22adc4af85252c5c6c06ab111a963b92

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.