← The evidence ledger
Evidence row 3145660
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:305508
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 516a437adef009454d730a503fda014b11d098a0d3c33aaaf8638223e83674de
- Leaf
- 0xbc7ead4b21fe6bcd3c57c689c30489864802dc18f00a77c12b9ba0e8b3668931
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/AMYaR2"
],
[
"a2a",
"https://centralcity.ai/a2a/54a7c861-c823-4871-8d22-b78da3a11b34/.well-known/agent-card.json"
]
],
"name": "Hiovis",
"owner_address": "0x8655f9ab21a6502b5b277c6237fa1dc0a477ff8d",
"raw": {
"agent_id": "305508",
"agent_uri": "https://centralcity.ai/a/AMYaR2",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hiovis 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/AMYaR2",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hiovis",
"registrations": [
{
"agentId": 305508,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/54a7c861-c823-4871-8d22-b78da3a11b34/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/AMYaR2",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793832562,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T22:51:13Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hiovis 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/AMYaR2"
}What the leaf hashes
{"body":"516a437adef009454d730a503fda014b11d098a0d3c33aaaf8638223e83674de","id":3145660,"kind":"listing","method":"sync.erc8004/1","observed_us":1793832673799774,"prev":null,"subject":"erc8004:5042:305508","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0xbc7e98ffdf87efbc91a7f4807d733c1ecec3ef07c0cca868a761edc0f461eccc
- 0x4b1794f4c597a2cf704c0614f5f432ca75717ed4033cded01dd40524ec91ac72
- 0x80c34377a4ec1aa1582fda14040bc7b82a2989d3a792130de8591d81ef067339
- 0x22cf83ce289b2c4a3275c16185ea07ee51ec6eaaf45a0b764df37c70ad742541
- 0x80f54ce2f08b71a55fe8eb45ac0bbb00fd6b1900153f5ef084c2e20ffa71f22b
- 0x82a47fa3fefb9eb0843d0a96984437bd0c35ebbafa703db1bf6611b1c6f33534
- 0x8f8a83569f90ec471bf382e3ce0669ecd5d05bdfc6e3a3f4d898fb3703079daa
- 0x5b9d5e180a228cced3a9d18ca436eede9bf79e1d5e7d4374854ec2914a14fc69
- 0x2288a4971053edc82139e474a5ce2dc4841b7f4626b0a563cad18da841a29519
- 0x9b846acbd20428b49cef92253acb3319c63ffb53dbc01724065626ccbc05cb0f
- 0xcf9a7ae5b6be900f8324a681f67c81e79cbfa54e252f7a13dcf6c82f623dda74
- 0x0ef46d0c7c3bb24d03e42b24dfeaed0c3d64fbb005df868195dbe0f08f1cce4d
- 0xdf752c6dc04fe0e73fc954996b5950ba893413cbd7696d4fe41593113e836358
- 0x9dea5c7479925cf2e1ad4e1767ebbc9cb4d95bb54724456ac92f7d0481ad791a
- 0x5b8ce88213ec1f540b9f554b597f6fee893a9afa0156a79c8474549158b8ee5f
- 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
- 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345