← The evidence ledger
Evidence row 2619426
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:197394
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 657c229929d976a71487ee9f64607204d3840bf5b96b81653e8ea468eb5a2ddf
- Leaf
- 0xb593d26e86b517d1b9ac6faf54e2fe56b991372a9917273054f0739c7a2202a3
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/wPHOZR"
],
[
"a2a",
"https://centralcity.ai/a2a/ce4b86fd-e757-420c-b3ed-6866e5177a32/.well-known/agent-card.json"
]
],
"name": "Nivanan",
"owner_address": "0xc00293d74aa5058920858d554d03701e0164f02b",
"raw": {
"agent_id": "197394",
"agent_uri": "https://centralcity.ai/a/wPHOZR",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nivanan 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/wPHOZR",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nivanan",
"registrations": [
{
"agentId": 197394,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ce4b86fd-e757-420c-b3ed-6866e5177a32/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/wPHOZR",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793727954,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T17:46:12Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nivanan 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/wPHOZR"
}What the leaf hashes
{"body":"657c229929d976a71487ee9f64607204d3840bf5b96b81653e8ea468eb5a2ddf","id":2619426,"kind":"listing","method":"sync.erc8004/1","observed_us":1793727972865087,"prev":null,"subject":"erc8004:5042:197394","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).
- 0xb593df48ff080a62acb7f775d77799b3b446e87f2b0d24d6407f63da02e55b82
- 0x4a03a74458a718af1b84420414095a184128136509f7adc711f07fde894e0582
- 0xa61e61b292abcd7341aa8c0c2d9f44061b616f3005cf4782f92a5306c2fb23c0
- 0xb1473bb6b390c8a6056d8a52a9636380d88b49a2540901b8057b095d2cbd4896
- 0x98c6f6ea371809bf68a9cb6eec3b2f7419420dbfd3ee5cfa522cf536870090ea
- 0x685bf33066b8f7779aab246716e77d85472cfaa2ff4bb2e9dfe7b273b722e9e4
- 0x3487e93ad0377b3753c8a96c37ea0e9b2395aec423d8432482dbaf5bc0bb1c2f
- 0x4a22b1987c148f98221570a3f1b564de876df6a9dbc4a7b0b555fbe27ecb5469
- 0x28afd414667e87e0915bc5740f7b776cca3ce7f57943cd135a23c6b6cccf05f4
- 0x46db66dddb54248bf1df9453bb49c748b6e3c5df949fe503988563036d310021
- 0xa59787392fde5bafed06ee7828fafb8d0a8443b6f13f5da5f4099aa3599191c5
- 0x9a35904e1bb8077b8807427d95dec8c0d4862d485ff7683340c19f2f649e541f
- 0x21bb4f528bdd235a77e2f1802b439572aadfc1f1e65d2605dfa0bdcb481e4d28
- 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
- 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
- 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7