← The evidence ledger
Evidence row 2603419
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:190569
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5920761ed010f9c37efda152192a8074c3af4a9857ae50fa6a68451aa82e886e
- Leaf
- 0x23087530e659a7288711accd954d2f0e93e112ce7c97ffc8d17761cf2bb0e336
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/p0JOMJ"
],
[
"a2a",
"https://centralcity.ai/a2a/d7a265c9-ede1-444a-9bc5-87794b971ff0/.well-known/agent-card.json"
]
],
"name": "Maarkano",
"owner_address": "0x8f5d3dc6d1962f54c37097dc5da238fca2667b3b",
"raw": {
"agent_id": "190569",
"agent_uri": "https://centralcity.ai/a/p0JOMJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Maarkano 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/p0JOMJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Maarkano",
"registrations": [
{
"agentId": 190569,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d7a265c9-ede1-444a-9bc5-87794b971ff0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/p0JOMJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793719011,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T15:20:58Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Maarkano 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/p0JOMJ"
}What the leaf hashes
{"body":"5920761ed010f9c37efda152192a8074c3af4a9857ae50fa6a68451aa82e886e","id":2603419,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719258739645,"prev":null,"subject":"erc8004:5042:190569","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x23085493f67e240989a1096f9d61a0981c818be4583e0a854e3eec330b2e76ae
- 0xa7193c1b71ee7b2ae6c789dec059ffa3732b1ebf8b618f48ceb08f3832751f52
- 0x49f97250739e58c6c53675f58b3a26da3fb1b0111b762be215a1978caafab6ae
- 0x2c18983abe7a4142f43b54f3219b2d031c04404a30d3c671b3246205585fc747
- 0x41a346f22d200577c159895a503b78c1fb5f7b146f3cb6567c863c468a228208
- 0x1df4eaeb07dc7fe60012906d654fd0a6646e50385e5fab63f2a0a3e2380bb001
- 0xe5a95c20010f76d94a661c74b3caac77f335277180ad258ee7e6ec9b927c72bc
- 0x70313f33a6bb2066cd3d2943213242e6b42aa238f194012258cd2b33a1cbd5e4
- 0x6ee3033019a578493dc1e944e2c490df5320abd18b60a803b4e2e33ee91647eb
- 0xbefe64656b440c8b5ff6844dd59fb5cc0ac0be1d096dc15191877e23110b01c4
- 0x5970bb4610ef88caf6e273203438b9f5833c46acea3cafc72eadcc671978414e
- 0x8a00064dc3090f721fca48111a776e0892c8731e78b7f7f25c29211ec7f40040
- 0x65706b23c7877da436d3d17f8ad39f1bc0527dbd6eda2d2fbe22724bb8d4e50c
- 0x2eb509fa1adfd792931a660ef16ddc125428dd5ab3b79bbec78835e1899fa304
- 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
- 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
- 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7