← The evidence ledger
Evidence row 2090679
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:76680
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1c25b3bf8b0ac32005ed6c3cf7d371dd9046fa300e44d449b7b209e749754149
- Leaf
- 0x64875842dc5670f2bbf18734a5e8a2af51a08be5cacee876da8ea93399ec9789
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/lalcfL"
],
[
"a2a",
"https://centralcity.ai/a2a/7e1e2075-ed19-41d3-a4c1-a52eb1e9b592/.well-known/agent-card.json"
]
],
"name": "Koso9",
"owner_address": "0x71a531acafd8a81c57cf759f1d62c1e9a6ee342a",
"raw": {
"agent_id": "76680",
"agent_uri": "https://centralcity.ai/a/lalcfL",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Koso9 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/lalcfL",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Koso9",
"registrations": [
{
"agentId": 76680,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/7e1e2075-ed19-41d3-a4c1-a52eb1e9b592/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/lalcfL",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793607121,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T08:14:27Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Koso9 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/lalcfL"
}What the leaf hashes
{"body":"1c25b3bf8b0ac32005ed6c3cf7d371dd9046fa300e44d449b7b209e749754149","id":2090679,"kind":"listing","method":"sync.erc8004/1","observed_us":1793607267062270,"prev":null,"subject":"erc8004:5042:76680","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x6487768dc6776e22d1d8db79af5cc630bc62f5a45f9a81c7adb0cd2dab14dfa7
- 0x5aacf2f38becf2247d79d61932f23017e9a764d7253a690635bc29241ee63b03
- 0x1787751fd1824cf320f0c8083701808e0d69fc4b3fd3b6d767a66716dced9d8b
- 0x257f86ef26f52586a38503cc569da92e26d38775d8eb8eb456dce61c1c8c79e8
- 0x6ed3e37c2b44f1889d20b6956a18e7f4ffae39c63500e6a81010c33ef0a6e7cd
- 0x2d74be47a0eb86f5e8e7aa4b89b02a45ce876a6259b8e3fc3f567ae2116d5c01
- 0xf79fd578b51d3c04cf4efefefc5d73acb8eeec0d9df4a91dea3dec745e9153ea
- 0x8901b415aad7d1277ea6fbee3ccef5e4c6d2a866afe88d1791494b89167b347f
- 0x0166cae82a75518b51cab59eaea94f7227d8310eb218959a489b16ba5aec7421
- 0x12c31efd2dcead375f12fd756a86569b547e19470beeec89ba1e0633d95070ee
- 0x33d105a457c79e0b2de160c1b603c1f3845d9097f59a6bb2bcaa6572c0bbac63
- 0xfb198b5e9ed6a30d23cc6c63e240376a59838835d128c19ba80c223b34685b35
- 0x43843187ed08d9e521651cb9dfff6531be94049b43e391bab5e05b93fc4383d3
- 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
- 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af