← The evidence ledger
Evidence row 2720450
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:208077
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 05787c61a08a032836f6537a9eb40934eca14565ea89951c560267dbe3181017
- Leaf
- 0x8a27952165ca20e4afcdac441eadce68f064df2c13754799670e45f9d317250d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Rnspqg"
],
[
"a2a",
"https://centralcity.ai/a2a/80c8a4c4-c756-4f76-abf2-a43b727a74ce/.well-known/agent-card.json"
]
],
"name": "Nizon",
"owner_address": "0xc46e528abd6f5bdf3fbb6acd1c5aa5d26517e66d",
"raw": {
"agent_id": "208077",
"agent_uri": "https://centralcity.ai/a/Rnspqg",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nizon 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/Rnspqg",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nizon",
"registrations": [
{
"agentId": 208077,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/80c8a4c4-c756-4f76-abf2-a43b727a74ce/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Rnspqg",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793744201,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T22:17:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nizon 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/Rnspqg"
}What the leaf hashes
{"body":"05787c61a08a032836f6537a9eb40934eca14565ea89951c560267dbe3181017","id":2720450,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744267546675,"prev":null,"subject":"erc8004:5042:208077","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).
- 0x8a26f93cf43f6b896289c37f892857bbaad5c631ca395efd7fdbbb09dda65d75
- 0xcd322e746be8aaadf8e48f756743a56ad0479ebc30ff4f66db5621b531c384d8
- 0x93ac9335c112c444687186e1d9d8add276de9ba4834f6c5787d311fe59e13d06
- 0xa50f3a3924b7d962effa696b47f61bc15951a20abd61d94f5ac4d7b738607862
- 0xe3a70c38c114985b9e479a9e04b5e803bd14723eae37d8eaa86c017bb330af6d
- 0x8edbaff8507e72cdad7d16ded69f7cab131e83214528444ccc518f23764709a8
- 0xb6ea5853c95962f3fbee8ee515cea2824c9ad42748dc50360fae52a4836fc9d3
- 0x2633b904306d5256367c19875b8e54d2ade8dec8f428b5eb2607d506cc29b017
- 0xd3f368176c251636e0bb50c93e09cb45dc4074a8aa3007d8e1f31df4bc9d2c85
- 0x1cd6ea6d53972c1f519321e44f8f1de16e6239b3d9a66e10c99cc683ee2e2880
- 0x2d5fedfe6e8fed72e98e324824c040fe14b5d168328b14f387684400eaae80ef
- 0x344740b8b895d018533c0dac6293c6a30ea11da13c6fe385357667909d6308cb
- 0xf7c67c96024b4a69e763701d06d6e4b51458c1259af3b5d0a9d5873b55301b3a
- 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
- 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7