← The evidence ledger
Evidence row 3471508
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:358897
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c3353214ec766c73ae86d756479af520569a915a271466d027c0dbbc0d0aadb0
- Leaf
- 0xb32c5ca4a6a5d208da21a3e4cd951891a1d3098df676d79f27eb4d52ce512235
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UgR58z"
],
[
"a2a",
"https://centralcity.ai/a2a/c8b7d4b5-e96c-4d7d-8c4d-50c605e2308a/.well-known/agent-card.json"
]
],
"name": "Sosan",
"owner_address": "0xcb8b8cb73e2714c19ffe5a27a6dea3b955cb42ac",
"raw": {
"agent_id": "358897",
"agent_uri": "https://centralcity.ai/a/UgR58z",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sosan 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/UgR58z",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sosan",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c8b7d4b5-e96c-4d7d-8c4d-50c605e2308a/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UgR58z",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T23:07:26Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sosan 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/UgR58z"
}What the leaf hashes
{"body":"c3353214ec766c73ae86d756479af520569a915a271466d027c0dbbc0d0aadb0","id":3471508,"kind":"listing","method":"sync.erc8004/1","observed_us":1793920046112886,"prev":null,"subject":"erc8004:5042:358897","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xb32cbc4b0fab217d632d0c3109f05facd176c6d419ad44daa566a1b8dddcf9de
- 0xdab1d4d53cb04402269a46d4603c9f74bc8ef2108128cafab86f264bb87510dc
- 0x1ed2d7bd904c62ef6a4d623ae9a36e831b424b5443b98a9a513cd1f9b6ab58a3
- 0x218ed2e3db4a8bb6c6c1e58666febe7cff8919e3698c68dbd7574d921ebb57c1
- 0x2eb0483c0834c04ccebc96ac54e6bd031769d5fa7adb0bd2d13e74ba82cc40f0
- 0x3c064a36e22a1f565233c401c1c7bd06615ddc78fc313296108a9be06fbf00fd
- 0x39f9e3c84060c035d012fe131a09617bde3e7b94cfae18b0f4770eb2de972619
- 0x52fd9366c622d084a23d2e2816f6c698efe6868dde6cec87dd91e11cfcac0f7c
- 0x1c2973b3ad6a03dcac3e8371f8be1f6afccdab1481e8ec61cfddcb05081cd066
- 0xe4d499101efe8de3e0278f44b0239acef8a49eda79496b985a5ae5c66dbefe16
- 0xcbdec57d68697bbfc9392f12d73dd30a9c6f5b167e64bc590362ceed6dc0f272
- 0x15f142e4d7f993e508094067508c4ad3c7a70488133d7cbc852bada042990250
- 0x15606313db283c3954cf1fa47163b39920e323427a56981ab81f7bc73b1b36a1
- 0xe9b3feeda7ba0471328dce63fe578d2b6d168331915c3460a3110e4549c6245c
- 0xfb7fd5d9f2dad2a875d0018c34534e495fa88fbef40533c4ec84080e09b402b0
- 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
- 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
- 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94