← The evidence ledger
Evidence row 1845707
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:38221
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7cbc5a48d7ef6c0d829effeafeacc3197188b04ce0ca3902be46052697807508
- Leaf
- 0x7bc21b235bfa34d57ebdcb2b0f625025f5208c20400e54d544ffa6900fdafc69
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/hqpn36"
],
[
"a2a",
"https://centralcity.ai/a2a/74daedc0-61a6-4b60-a9d6-8418f2735c70/.well-known/agent-card.json"
]
],
"name": "Grumon",
"owner_address": "0xae30c5bade434d48e9a89bb3759f16903900fd78",
"raw": {
"agent_id": "38221",
"agent_uri": "https://centralcity.ai/a/hqpn36",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grumon 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/hqpn36",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grumon",
"registrations": [
{
"agentId": 38221,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/74daedc0-61a6-4b60-a9d6-8418f2735c70/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/hqpn36",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793575907,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T23:31:58Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grumon 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/hqpn36"
}What the leaf hashes
{"body":"7cbc5a48d7ef6c0d829effeafeacc3197188b04ce0ca3902be46052697807508","id":1845707,"kind":"listing","method":"sync.erc8004/1","observed_us":1793575918235771,"prev":null,"subject":"erc8004:5042:38221","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).
- 0x7bc1ff7a2b4cd873e4f171b562187e38f9e59d2099a2b300bab1985545bf9682
- 0xa40567a7c9e7ef148ebb2b351a1b60b37b2b6fda556658067e770f7ef1631ac9
- 0xd7e076cd023acca2e4c5faa1d0d85e89d3895c986bdb50e2384539951321fe0c
- 0xff2ab86c460dc91454c01be75187713056bbed12cc5527e1d3c5f5d05d04d698
- 0xe844e454e6e3fea8b1a87bd0f21d384ec35129ce209c9c2902250d732fe612d8
- 0xb0aedbab31aec33ce7ece0fe37f25fa23c942713b6c5cab5225061cae6ba5fd0
- 0xb8cd1204aca1b44c90170bf42cf5df16631b1b5ae8766c204c9fa8f39d4d8cff
- 0x5944f0f29ef8aec9ffe5b8dbed0f1a99103ead48f8ccae52f4418090cde78eae
- 0xa481f24300d135d0afa5f535126b45b30b248952dac04b0225d75433a6c16b70
- 0x189014ed57e408ea481233c317cc667be2243cf2cd791fb9272c8b50acae56d1
- 0x091771cc51a661b4266d99736b4af9a020fed28c61c8c967c25799a3eb19a70e
- 0x02927a651aa6360272d46724a3fe12209e9d6a2cef64b2122d2eec98dc94eddb
- 0xa293e826c573b6aacb42bdfe34ebf9ff9c01a7719cb79774843599231be3aa36
- 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
- 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
- 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
- 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90