← The evidence ledger
Evidence row 3016905
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:253620
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 50b94f74348b6ac87a4133383567a6cd29e7b642424284535263b71759fe7dd9
- Leaf
- 0x0fabb1c2ec6245cfafa904a48b07b9c050a3fc1a1daf8fd620d4284b96a4f5d3
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/HdKvwZ"
],
[
"a2a",
"https://centralcity.ai/a2a/3ec5bb8c-9080-428c-81a2-9f6282298fe5/.well-known/agent-card.json"
]
],
"name": "Mairkus",
"owner_address": "0xf2872be1804c31d8069f26fc5659532fc4c8fc98",
"raw": {
"agent_id": "253620",
"agent_uri": "https://centralcity.ai/a/HdKvwZ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Mairkus 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/HdKvwZ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Mairkus",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/3ec5bb8c-9080-428c-81a2-9f6282298fe5/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/HdKvwZ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T14:34:42Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Mairkus 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/HdKvwZ"
}What the leaf hashes
{"body":"50b94f74348b6ac87a4133383567a6cd29e7b642424284535263b71759fe7dd9","id":3016905,"kind":"listing","method":"sync.erc8004/1","observed_us":1793802882750464,"prev":null,"subject":"erc8004:5042:253620","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).
- 0x0fab9c6a442d7df0a4a48912037166f4fcc5a90120cd7cf555357435a2ee330c
- 0x7e6f9e7edcb26722e945fbf7751be5036f33c0c06bb2286f607aa5626945003f
- 0xbbe5386d90d35c429b1c239287d533d95a78e56116b534c5c66ecc4cb66958c7
- 0x29d1649c97f06b9f24b48a7d5bc90660df8a9f701fa7b73ba95f150f437fc3c5
- 0xd9e03994aaed72bb3870c51b4c2ea74a5506ee146e9223a405e0b67d8b769b8b
- 0xc7c14e15a74906608d4d7db2b866a182806d435397bb477ecd4e94f96d370a00
- 0x1ad4671235466a459a628ee4f4c653548e8eb74be7f5300e2fd863a653e732f5
- 0xf1d729ff6937f0074fea17bbf85e0763efc48ffef52709e8a975b798aa01dcb2
- 0xfb2aa0d52607e6b7cf1ab530e7652c07a5cbcec69bf51ffe5c77d3089ca9adf1
- 0x875c936c9a72271365ae0d337daf79c928eb0eecedfecaa107340b88746d7849
- 0xb75d14204bb1fa6e921e2a530d482a8bc1af5dc0d4bece1a8738c666528be791
- 0x504f025418b9c63253037ab30982bd8d8ccd8d01bfd6d1ec31b5bd731f763acd
- 0xf0c5668f1c0e0c55d12b397a79fba67d79863ff9b4f1923bea93e19437e4c76d
- 0xe5d2c2f467f13039435593ecb6df4996e650e192b7ee29ddf612886f03e98dea
- 0x39999cd980e41ec2b00689b8f721fe6463b8366a077d7faaeed19e6514cfbac4
- 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
- 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345