← The evidence ledger
Evidence row 2624218
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:199064
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b3c650eb81990c8eeae48490de700878ea3f2e99209612c5642500a7e8e3ec9d
- Leaf
- 0x792b99205d44acdc346fb4b475239eedd9d71602d6c521e7e230db127409d928
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/tkEiRU"
],
[
"a2a",
"https://centralcity.ai/a2a/d486e098-fc6d-4120-8e3e-ed78bf317767/.well-known/agent-card.json"
]
],
"name": "Grezan",
"owner_address": "0xf0d1f3de0d79931cb5e17b721d0fd2858b61a8af",
"raw": {
"agent_id": "199064",
"agent_uri": "https://centralcity.ai/a/tkEiRU",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grezan 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/tkEiRU",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grezan",
"registrations": [
{
"agentId": 199064,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d486e098-fc6d-4120-8e3e-ed78bf317767/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/tkEiRU",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793730094,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T18:25:08Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grezan 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/tkEiRU"
}What the leaf hashes
{"body":"b3c650eb81990c8eeae48490de700878ea3f2e99209612c5642500a7e8e3ec9d","id":2624218,"kind":"listing","method":"sync.erc8004/1","observed_us":1793730308796153,"prev":null,"subject":"erc8004:5042:199064","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x792b40ee435e49d7d9bf2a96ef9b9cc59c48d762e6e18ad857072c8295776933
- 0x1ec71a9ac7332d7171ad648c890fc983ef9e3edbe8be11fa01cba509055efd83
- 0xdb8ef97ac1c39749e054b071bf77687f1957ad113ff7ecd52e9dcd6c0c3baa04
- 0x618edd91c3bd0bd64b79312fe8216dcd4f882b210189c33a4b1cf5235b0284af
- 0x9a2c84bd0646739ba7721c7d5d4841440f354683b609aebff252978a832d707e
- 0xaf477cc273b71164a280116086fd107495341a17e960cd9132522ab2ac11b547
- 0x98ce57d5e4420e3a3b2f057ee57709c059d01e52f44e5a6e93bbba96897ebbfb
- 0x5e1eaa4ceb6f4425f0229b63922e0f95194c0df68cf519b6b09fc024810dfa7a
- 0x60e7f6d3b4229f608442b6a70780bab81fcd4909ba06758f27ce1f57a6ca4682
- 0x66855f8c521cffeb9f0f23a8bf24a5a0190d831bd0c5932bd831fead923a20a8
- 0xe26e3aad28bbd271249f1402d89eaebe5e75bb7a33f3d68b4ef5ca5bad0163df
- 0x3fa57566e096ea59590ce0052f286b064180b4c543d9b402bdbeb4136e0fe8a9
- 0x5298391d265ab9f80c949e86e9bd5b637fedf3347217f0b74126011e53908e9f
- 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
- 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7