← The evidence ledger
Evidence row 3150206
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:307871
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8ca991deef3117c424425febab1baf65c8318502634f28573c15e5b99b1df708
- Leaf
- 0xb191ecc20bcdd9d1f7abc28406c3cbb85d0c8feffbd02a4f77eab6062d8869ae
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/xC8ik0"
],
[
"a2a",
"https://centralcity.ai/a2a/1d67a528-08d2-47af-aa8a-a3817ae8016f/.well-known/agent-card.json"
]
],
"name": "Havjo",
"owner_address": "0x2e88471a99851861cb00dcf37e62ba2994d3833c",
"raw": {
"agent_id": "307871",
"agent_uri": "https://centralcity.ai/a/xC8ik0",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Havjo 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/xC8ik0",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Havjo",
"registrations": [
{
"agentId": 307871,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/1d67a528-08d2-47af-aa8a-a3817ae8016f/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/xC8ik0",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793834509,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T23:25:30Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Havjo 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/xC8ik0"
}What the leaf hashes
{"body":"8ca991deef3117c424425febab1baf65c8318502634f28573c15e5b99b1df708","id":3150206,"kind":"listing","method":"sync.erc8004/1","observed_us":1793834730592746,"prev":null,"subject":"erc8004:5042:307871","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).
- 0xb191e393560b2a9a3739f68be21dee16ea6e6a7bac26b35f548f342b8c1e92dd
- 0x08bc57d757dfd76cf8ab0ae7f8816e2770c7355b8895cfec8449de4069edac8a
- 0xfa0208ac81fc02fff31816dfb6118dff8874d17ca215727c4710b1369c3426f7
- 0x30c8dc2c67a84ee09cf2e75f23d0f4fb467013b4bc95f90c463e2c53bd3d1968
- 0xb217e986ee76fc1762ba50a7c9adfcb9ac440a049c474af96f0e9148c04cd764
- 0xaa67cdd02c2a965959f66768bd6655ba54b4e0348faab55da71d305e8c2db272
- 0x9e997b9fead3061cc4f848cee6d656c3249e0979acb4ff35a2d0249e23049713
- 0xb89028b9593b246b2909351e09325c113d5e653cbeaaeba15356516a31a3f21d
- 0x68a177498d6e9564bb2988eb256e78810c552221c8444d9f99f1c08213bfc4e4
- 0x9377baf8d7525bcd3a6f148029de997610647cd9b2bbe0c2bd95f0513f89c9d8
- 0x5d32cb9ce5097219e3399af4c86fbb30e2e5b60f1de64df46de531c5ba03e3eb
- 0x8b3e675e36966d366b40845cdd8c2f6f294a1c1acd32663465d5faf7542c9f6d
- 0xe0c107caa77d5efbcc89600269de124b9669a0ee20ae1f6465c79cd503bfc9ae
- 0x1088369e34916a33a3c583323d2fc4f49164cbac20b02de75926f72398b939bf
- 0x9efef3631f971f9adf134dd93a6862b2ba10ef6a355b78514b4cc469a0d1496c
- 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
- 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345