← The evidence ledger
Evidence row 2526871
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:159039
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c3864273d203ea5b17828dcb035f36c7f7e081b605ff1207efc354325ec0937c
- Leaf
- 0x61d7e64eb7bb512cb30af72c712394cb0718df81a853b4457db69b492831a945
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/jKb1pJ"
],
[
"a2a",
"https://centralcity.ai/a2a/699042b2-abf3-4df7-a456-e5553e0dd399/.well-known/agent-card.json"
]
],
"name": "Hiola",
"owner_address": "0x433e2acc9f156ce65545ac21d4513b2a19fb3a4e",
"raw": {
"agent_id": "159039",
"agent_uri": "https://centralcity.ai/a/jKb1pJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hiola is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/jKb1pJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hiola",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/699042b2-abf3-4df7-a456-e5553e0dd399/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/jKb1pJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T04:53:12Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hiola is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/jKb1pJ"
}What the leaf hashes
{"body":"c3864273d203ea5b17828dcb035f36c7f7e081b605ff1207efc354325ec0937c","id":2526871,"kind":"listing","method":"sync.erc8004/1","observed_us":1793681592252650,"prev":null,"subject":"erc8004:5042:159039","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).
- 0x61d7d5fa9bf0a790c593fbdd9e10d76020125d086d5b47518936cc505d666c83
- 0x8d07537e91391769040db433493694aed72c3a58f5a573c29907365b417865f0
- 0x348dcc4e18442cf2bcd599229a33207f7d705129df22415a5153e43bc46b4579
- 0x30c7c0a3b88c88eadc7676a718c1463bb1ef8dd758aed81630d5d6c2fd43e8f2
- 0xef586a240513229505613714174b265ab5df4e77eff9f293fdcff53994396f38
- 0xa137072de6860cffacad09dd02e0002c3657fd3486d32aa2a5e75b7c13454fe3
- 0xf497f170eb383308755f5f3d6f62ba9a3efb9caf306b68d3ccc18fb17ea0232e
- 0xdb442894c2ee3e6d38a618c7f51bfb218704b7ac03c82175b14f5be4b14a285b
- 0xd2ec9b900c8d9a8205d328c61165a363ea989046baa7fe2c89ee4fa609b5fe40
- 0xf591e2db3af5f9a35bdbaa37b94322f87156a4c2e584d56e1d7d332e0899a911
- 0x478b12f7910cfd5ff309ae9c4f212c7de30f8184a5d449fbdc04afc8466adb61
- 0x4e9abf4af955929c2b49b63a935ba94148e6b85362e01d45e1b6ff1c9c191985
- 0x19e66cf94d3d2787fc459ee19c722a1b183024b2f719029ae6a0881eaa5dc8ed
- 0xbf320f90cfe280db011085f74bddf4edc26cb0f41eedc38b0fa8b8f679ad0b5b
- 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
- 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7