← The evidence ledger
Evidence row 1817706
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:21202
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d0900588524cfb31fa7f1ad0670504f0383225a6b30519d86e98d90d3603df25
- Leaf
- 0x05ec665f8bef4c5fb0b0cec8d8fb5ff0fed17df122a9f866bea6ef9cf17a5cbe
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/crgQJo"
],
[
"a2a",
"https://centralcity.ai/a2a/a80bb816-4cb0-4d5f-95f3-3d30a20f6ba7/.well-known/agent-card.json"
]
],
"name": "Grauzero",
"owner_address": "0x7adb2980367a68f30cfd9ba05fe6c2149376b3f4",
"raw": {
"agent_id": "21202",
"agent_uri": "https://centralcity.ai/a/crgQJo",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grauzero 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/crgQJo",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grauzero",
"registrations": [
{
"agentId": 21202,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a80bb816-4cb0-4d5f-95f3-3d30a20f6ba7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/crgQJo",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793562098,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T19:44:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grauzero 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/crgQJo"
}What the leaf hashes
{"body":"d0900588524cfb31fa7f1ad0670504f0383225a6b30519d86e98d90d3603df25","id":1817706,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562251121166,"prev":null,"subject":"erc8004:5042:21202","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x05ec44a8f495a3d6e4d9f2056a60dd3cb61ade61fa959fbcb96c58008bb890fb
- 0x6b8fe1ff15323459f33188485349d4923fdbbfcd4f12ed098a2455aed540800a
- 0xac1b842b0eda12dca3783b38dc53235eda057dfe758a4e121a53f267632af4d8
- 0x6ad9c839f9b8e782ba5608c38cd8d396fac179e470a557976bbf5bdc8b411293
- 0xafbf9820e575800b46258443ea7283e6ef920bf608e98000070d4f63bf3df5d5
- 0x7ff900d037a61b7f8cd5a6c455010fca8485ad70ec021fd315402a8b433baa67
- 0xa3a2d3fac2929f22b2c3ff5cab57eb80699bd7657c13b431eaf1d1b32fd61b11
- 0x1a953852f543703ca5d56a9f28518bb7107f0aa28d7345b7d8fe155139763f6f
- 0xe7252128f0be057679aaeaf548c1b976e71c7b6eac6bac9a759b902556820ae0
- 0x3b889fcb68e94c3f3f13162622c75313319e123dda0f00a66778f171db41dc68
- 0x0233a63b507fb89383f86df4c2333358a882fbae41beef40575169ed2ac011c4
- 0x0e504833698abc04312a4beba98e6602297f4ebcc6ef94d56c7c823f8f4d1120
- 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
- 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
- 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
- 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90