← The evidence ledger
Evidence row 2550105
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:168196
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1a306b0af11fd69bdaaf1a89f6728e73d37233d808a95416edb838cab019021b
- Leaf
- 0x07f3cdb30f9343742d25c785a3e472478fbfd1ec14c031f56400ab9642cb8c3f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/4ZLkwS"
],
[
"a2a",
"https://centralcity.ai/a2a/04bae24b-ec29-44b0-a6bc-0fcaecc81c83/.well-known/agent-card.json"
]
],
"name": "Nuvik",
"owner_address": "0x83e61aa7ac7f643caeee3fd33e1d36af08cceee3",
"raw": {
"agent_id": "168196",
"agent_uri": "https://centralcity.ai/a/4ZLkwS",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nuvik 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/4ZLkwS",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nuvik",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/04bae24b-ec29-44b0-a6bc-0fcaecc81c83/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/4ZLkwS",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T07:49:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nuvik 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/4ZLkwS"
}What the leaf hashes
{"body":"1a306b0af11fd69bdaaf1a89f6728e73d37233d808a95416edb838cab019021b","id":2550105,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692187566296,"prev":null,"subject":"erc8004:5042:168196","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).
- 0x07f43fbe1ae70883e923e33e573ce8838309683da23d15113b6ab7e81708668a
- 0x559f2ef67b99039cbfe3ae9f3a318397bd7a7bb4e8e82057878e06a411f46657
- 0xc316f1e01893bacd235808f1c9d91dd977be9674a7af0dda5d3196dc75c2c2ee
- 0xff1dc96a0c91dfe707a243890dcb7f223c6f5de9aa79041983a471bc0f409b67
- 0xa23828e0bb09f791597041c25b32c6c668d63283dae3760d9390c84186432f07
- 0xaa633c35b466720a3e9ee2ef1fc5915bd61145a2cecef0a7754136bd9bd5261e
- 0x72270a27f36ce1c713f583b18953e567d1e2c2201378f8adde750bf4651c64ed
- 0xd3ff8fb22e07d68210e0e13dafb0c507f1f1fcab3b13ce71b935fb3ec9f87565
- 0x8fde89534084a50ab3d3df761a82490b2d9d792777232d0cee6c1da312626b6f
- 0xe477b4d8708b1fbf3e2243912a9054282671019a356b0736c0aa8da59867ca3e
- 0xa005443ddad7064f9f6b30b4de84dad237a6d82172e611bb9c3f13129cb8b32a
- 0xaca26b4858c092fa669d65992083ad40aad05d636d4c6901ba18a08d12754f74
- 0x394e8598ae2af6d79de9c7634464932da90d62d762702fa202424a45582a05df
- 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
- 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
- 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
- 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7