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 #1620 arrived home at House 14.

Id

8681941c-7…e972cae48681941c-7c4c-4970-8aa1-86bfe972cae4Copy

Full value

8681941c-7c4c-4970-8aa1-86bfe972cae4

Sequence

805443

Kind

movement.arrived_home

Category

movement

Source

simulation

Occurred (UTC)

2026-10-28T09:36:24.478243+00:00

Created (UTC)

2026-10-28T09:36:27.687271+00:00

World seconds

74642880

Citizen

31705e99-2…d41f303831705e99-2224-409e-98af-f0a1d41f3038Copy

Full value

31705e99-2224-409e-98af-f0a1d41f3038

Related citizen

—

Building

house-14

Intent

—

Decision

—

Tick

242230

Chain status

offchain

Integrity class

live

chogos-event-v1
id:8681941c-7c4c-4970-8aa1-86bfe972cae4
seq:805443
kind:movement.arrived_home
category:movement
source:simulation
summary:CHOG #1620 arrived home at House 14.
occurredAt:2026-10-28T09:36:24.478Z
createdAt:2026-10-28T09:36:27.687Z
worldS:74642880
tickSeq:242230
actorCitizenId:31705e99-2224-409e-98af-f0a1d41f3038
relatedCitizenId:
buildingId:house-14
chainStatus:offchain
chainId:
txHash:
dedupeKey:sim:31705e99-2224-409e-98af-f0a1d41f3038:12383:movement.arrived_home
intentId:
decisionId:
payload:{"action":"rest","activity":"resting","arrived":true,"buildingName":"House 14","durationWorldMinutes":116,"tokenId":"159"}
stateTransition:{}
prevEventHash:0x3a25bdd9d61118ffee9713b31a445143900f2bb44e33ba6d91b1ac443ada41f7

Hashes

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

Stored event hash

0x8a12d53f…0f94c0ee0x8a12d53f6556022829e9f68cc4c041a8b5ebbf589e5257d0ecdfabef0f94c0eeCopy

Full value

0x8a12d53f6556022829e9f68cc4c041a8b5ebbf589e5257d0ecdfabef0f94c0ee

Recomputed event hash

0x8a12d53f…0f94c0ee0x8a12d53f6556022829e9f68cc4c041a8b5ebbf589e5257d0ecdfabef0f94c0eeCopy

Full value

0x8a12d53f6556022829e9f68cc4c041a8b5ebbf589e5257d0ecdfabef0f94c0ee

Previous event hash

0x3a25bdd9…3ada41f70x3a25bdd9d61118ffee9713b31a445143900f2bb44e33ba6d91b1ac443ada41f7Copy

Full value

0x3a25bdd9d61118ffee9713b31a445143900f2bb44e33ba6d91b1ac443ada41f7

Next event hash

0xdb1ad3a0…3981385f0xdb1ad3a06799e513b8f0a8175fb0409bd8a0992d39b176700be5e5903981385fCopy

Full value

0xdb1ad3a06799e513b8f0a8175fb0409bd8a0992d39b176700be5e5903981385f

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.