Learn more about EAS in our docs
EAS optimism
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Offchain Attestation
UID:
0xc995b807ea4578ed255bf238f87451f3b71e6a75bb18048b7af476467b5e9b42
TIMESTAMPS:
Created: 05/01/2026 4:50:29 am
Timestamp onchain
EXPIRATION:
Never
REVOKED:
No
Decoded Data:
address
Project Address0xF9bbFB758DBaE846470Dd9d22D076dBE150D8d79
bytes32
Contribution ID0x7ecfbb058ed6a88f3e1e8eff36503298116137db18e21cfc8ed678e758d63035
string
Details<p>Summary of Fudan University and Shanghai Jiao Tong University ~6h</p>
string
TypeEthereum On Tour
string
Proof<p>https://mp.weixin.qq.com/s/eUTeaeufwR7N0MYFwXA1BQ</p> <<imageList>> []
uint256
Start Date1777305600000000000000000000000
uint256
End Date1777564799999000000000000000000
uint256
Token Amount90000000000000000000
string
ExtendedIPFS Hash:
Referenced Attestation:
No reference
Referencing Attestations:
1 attestations referencing this one
Raw Data:
{"signer":"0xC841D6DdF66467Af551b35218c0c2e22f9C14b48","sig":{"domain":{"name":"EAS Attestation","version":"1.0.1","chainId":"10","verifyingContract":"0x4200000000000000000000000000000000000021"},"primaryType":"Attest","message":{"recipient":"0xC841D6DdF66467Af551b35218c0c2e22f9C14b48","expirationTime":"0","time":"1777611029","revocable":true,"version":1,"nonce":"0","schema":"0xc012dddde021c7258ff4671b1be08fe6b3b51d98bd0a89b43d020fafde24b476","refUID":"0x0000000000000000000000000000000000000000000000000000000000000000","data":"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"},"types":{"Attest":[{"name":"version","type":"uint16"},{"name":"schema","type":"bytes32"},{"name":"recipient","type":"address"},{"name":"time","type":"uint64"},{"name":"expirationTime","type":"uint64"},{"name":"revocable","type":"bool"},{"name":"refUID","type":"bytes32"},{"name":"data","type":"bytes"}]},"signature":{"v":27,"r":"0x851aeedf21218ca4804cfcdb6e59f699843732f095bbb604b2d8753cab2c1bf4","s":"0x6f4d5d4f5ba47b5c718da9cb84c36b68758ccb3b205022a72e65d67fd89aafb0"},"uid":"0xc995b807ea4578ed255bf238f87451f3b71e6a75bb18048b7af476467b5e9b42"}}
Latest Referencing Attestations
| UID | Schema | From | To | Type | Age |
| 0xcc44e3845299014e883... | #256 | No recipient | OFFCHAIN | 13 hours ago |
