← The evidence ledger
Evidence row 2121408
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:89172
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ef755682f85fbda620ab97cd92bc8b7064fe3a2a993871cb5c5fc8cf42ce5c25
- Leaf
- 0xcbec10897b35af90e8eac2534ff74e995832ed3fe6968d71cfccd38f8a6749b4
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/g5UHKc"
],
[
"a2a",
"https://centralcity.ai/a2a/0f9f1c89-b551-4bff-b0ac-75d387842058/.well-known/agent-card.json"
]
],
"name": "Tanik",
"owner_address": "0xd7dc93af3782ea5f8e0722a160b8086bf355640e",
"raw": {
"agent_id": "89172",
"agent_uri": "https://centralcity.ai/a/g5UHKc",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Tanik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/g5UHKc",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Tanik",
"registrations": [
{
"agentId": 89172,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0f9f1c89-b551-4bff-b0ac-75d387842058/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/g5UHKc",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793619042,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T11:32:49Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Tanik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/g5UHKc"
}What the leaf hashes
{"body":"ef755682f85fbda620ab97cd92bc8b7064fe3a2a993871cb5c5fc8cf42ce5c25","id":2121408,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619169516322,"prev":null,"subject":"erc8004:5042:89172","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xcbec1ac9c1123d913a71aefe7be07b3675b0e38ec3b703f4492d70a744cebcc7
- 0xe83278f1cc8f45a22e4f238ad0f4c7267b34ed4c048c17e1fa910f4548dc1ae7
- 0x9a216ef5ad99120abedc04fc47c0d92f09c8ae9ac1cd327d4a6c9cec4fbf4bb9
- 0x03e7f84c1779200856144be444d699f1af39e7f63fe73db5a1fd483b869b1c8f
- 0xb2b483322961b0e0b405af27b0b48b43f317eecf03d4207d02daa43c00948ccf
- 0x633318008a8baab13dd8f3b69689477fadaa644bd987de85ac1fff43aa49bc50
- 0x20e3003948973083c325bfc38faa0973f613643208e5abdacf2d0f2f8cc2cfec
- 0x6cd04d9d3dcb1db0946b3561e463ab63ac084f081b76a78c5a4742adbab218f2
- 0xe00171bf5407eca0c0d4f2dfa7f9faaeffc9aa5d894852084b94ab07274975a1
- 0x5b4ef38812b06f63fb56f04600a4cc3df6e64aa0c22325b115746416ebeaf2b7
- 0xaf2a199447c969aea5dcc0dd155218feac3378794b903ace57a61900fe249d4b
- 0x104b0fd7f9e0a9cd51db3ad451e9a16d136da470f6efdf3cf1ad75354f332bc0
- 0x959c0d70f3f85beefd7b1347751e6e712eeaefce78a57d80eda6882038b85a52
- 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
- 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af