← The evidence ledger
Evidence row 1782802
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:16906
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6ebfe2a2e934b8cfc6a316e92f6d56644796ebd9714cb91618c35888de1f8dac
- Leaf
- 0x45056b42e9ff3aa3b3330b4498e952ffb804caa6c3720fade9bea221bb8f2df6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/u2Mi2a"
],
[
"a2a",
"https://centralcity.ai/a2a/a35e143b-e599-4f88-9e4b-b05dce88b41b/.well-known/agent-card.json"
]
],
"name": "Zirkel",
"owner_address": "0x8f0d9d3b45b014d7ae94ca771e1a4635639a5a95",
"raw": {
"agent_id": "16906",
"agent_uri": "https://centralcity.ai/a/u2Mi2a",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Zirkel 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/u2Mi2a",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Zirkel",
"registrations": [
{
"agentId": 16906,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a35e143b-e599-4f88-9e4b-b05dce88b41b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/u2Mi2a",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793556430,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T18:10:27Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Zirkel 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/u2Mi2a"
}What the leaf hashes
{"body":"6ebfe2a2e934b8cfc6a316e92f6d56644796ebd9714cb91618c35888de1f8dac","id":1782802,"kind":"listing","method":"sync.erc8004/1","observed_us":1793556627711113,"prev":null,"subject":"erc8004:5042:16906","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).
- 0x4504a1263b4265ca3e40484c9c0f92176aa2da2b83c8f87def617445fe4a1303
- 0xe023f36a95fe23545cff7d59b6494c5703646b86e8789beb7428965c20dd054f
- 0xe7f7abbf5e972bbd51cc4076672914631292e4a2fe3a5920c19af4a147eca591
- 0xc2a711753a92a6146fd530f45d9ad772d8fd211b82464b7b493f929ac0731e81
- 0xc66d63a977f3446921e20b256f8957564098fb283be9910bd76b0d25845f4756
- 0xb2570a95ad6c573b916c3ebed8cb762e2d4ff9526bac34c131f394dea4f20483
- 0x19973b46fed90dc6f14aba551de0290326f60ffb929ceb1ce4dc19ddf0f1f150
- 0xfe49bfcdc38e459ba7fd2f38b3bec26a4be303025c186c4ae161bd3315a03a08
- 0x30d54bc6e8dc4fe476b8f6521fb3a25fae8179e94db605055ef05fda7cdcb7fa
- 0xab5729e1d6142f16acf9b7c933f45aff5f6e14ed69597fd81b8ca4c7a36f1201
- 0x7f331a28c6dcf46d912efaf02daf00be50bbaa909294e4182dc501e8f378ddba
- 0xa512aefa3742f8f2217e32a01436ec8a845ef3a867bd17d3a3ee2de3875040bd
- 0xb0ac6ba344d3036c1dcee62f9b248fb9e72f51af0768ac256a6f2e19b8431780
- 0xafcf38f796fa072123f5d525a88fd2fb85646ecc6e7e9a763c13179738711c9e
- 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
- 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
- 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90