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 #1547 met CHOG #1938 at Commons Square.

Id

0c4f8539-7…d0ac16440c4f8539-79f7-4fb6-8288-799ed0ac1644Copy

Full value

0c4f8539-79f7-4fb6-8288-799ed0ac1644

Sequence

805424

Kind

social.met

Category

social

Source

simulation

Occurred (UTC)

2026-10-28T09:35:39.478243+00:00

Created (UTC)

2026-10-28T09:35:44.833682+00:00

World seconds

74640180

Citizen

e0851a19-a…fdc8b9bfe0851a19-ad02-4bbf-ada0-6d83fdc8b9bfCopy

Full value

e0851a19-ad02-4bbf-ada0-6d83fdc8b9bf

Related citizen

c1fef0ab-d…51cbf1fcc1fef0ab-d1cf-4990-837e-ecee51cbf1fcCopy

Full value

c1fef0ab-d1cf-4990-837e-ecee51cbf1fc

Building

commons-square

Intent

—

Decision

—

Tick

242222

Chain status

offchain

Integrity class

live

chogos-event-v1
id:0c4f8539-79f7-4fb6-8288-799ed0ac1644
seq:805424
kind:social.met
category:social
source:simulation
summary:CHOG #1547 met CHOG #1938 at Commons Square.
occurredAt:2026-10-28T09:35:39.478Z
createdAt:2026-10-28T09:35:44.833Z
worldS:74640180
tickSeq:242222
actorCitizenId:e0851a19-ad02-4bbf-ada0-6d83fdc8b9bf
relatedCitizenId:c1fef0ab-d1cf-4990-837e-ecee51cbf1fc
buildingId:commons-square
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:e0851a19-ad02-4bbf-ada0-6d83fdc8b9bf:12292:social.met
intentId:
decisionId:
payload:{"action":"socialize","activity":"socializing","arrived":true,"buildingName":"Commons Square","durationWorldMinutes":74,"relatedTokenId":"477","tokenId":"86"}
stateTransition:{}
prevEventHash:0xc57da47663a468486463c3981ce3196aa9d81e9d777bbb4e65a2270998e753b2

Hashes

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

Stored event hash

0x7be11cc2…d999d2a30x7be11cc246e63a04fcb839d7ca42beb5b89204380247ca18cf446554d999d2a3Copy

Full value

0x7be11cc246e63a04fcb839d7ca42beb5b89204380247ca18cf446554d999d2a3

Recomputed event hash

0x7be11cc2…d999d2a30x7be11cc246e63a04fcb839d7ca42beb5b89204380247ca18cf446554d999d2a3Copy

Full value

0x7be11cc246e63a04fcb839d7ca42beb5b89204380247ca18cf446554d999d2a3

Previous event hash

0xc57da476…98e753b20xc57da47663a468486463c3981ce3196aa9d81e9d777bbb4e65a2270998e753b2Copy

Full value

0xc57da47663a468486463c3981ce3196aa9d81e9d777bbb4e65a2270998e753b2

Next event hash

0xf365699e…90b80d8a0xf365699eae6cac122f7fa11fc35750499d689af171cfda696379b6e490b80d8aCopy

Full value

0xf365699eae6cac122f7fa11fc35750499d689af171cfda696379b6e490b80d8a

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.