← The evidence ledger
Evidence row 2022661
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:44158
- Recorded
- Previous row
- #2022324
- Body SHA-256
- 11b9854a92a10a9dc3398fa6a73f53b552466b53b6b3aa7003d2f54fda14b9cd
- Leaf
- 0xbf595df8516feb9a675d05eb66208c76883dd4e2068d1665c41a145f50af717c
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/zzwZiq"
],
[
"a2a",
"https://centralcity.ai/a2a/b4248b83-2701-427f-8c41-263cf39b2aa7/.well-known/agent-card.json"
]
],
"name": "Nivias",
"owner_address": "0x4b957c87471688f952030b19b5ece68a56ea2d0d",
"raw": {
"agent_id": "44158",
"agent_uri": "https://centralcity.ai/a/zzwZiq",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nivias 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/zzwZiq",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nivias",
"registrations": [
{
"agentId": 44158,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b4248b83-2701-427f-8c41-263cf39b2aa7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/zzwZiq",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793580542,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T00:53:12Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nivias 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/zzwZiq"
}What the leaf hashes
{"body":"11b9854a92a10a9dc3398fa6a73f53b552466b53b6b3aa7003d2f54fda14b9cd","id":2022661,"kind":"listing","method":"sync.erc8004/1","observed_us":1793580792883872,"prev":2022324,"subject":"erc8004:5042:44158","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xbf59419a25214ed71ded5205320675cf7f8a95b13d4f89c1e7a5f9b51ad91232
- 0x4b29ea4c1c2f78f5afb1230fa874db184b1197cc221fe63de4c37cf333d90e61
- 0x47e05baa6fec8735a526da0495c1ec05e730c5d491fcd78a1115467fd714f946
- 0x3542cc6278b5c23f97525d1bd292787aa141543831280d721c5284ff5a36c39f
- 0xdd870f9c04ee9215d91e8ef3d97bdc25a79d5419dd10c2ab1d0657d69551b002
- 0x87673b84dab9eef7a54d7a8e8e296537f8e3b33ba6ebe2cf7d6190254663c9eb
- 0x5ec64361bf21500b5656988c0d5e9c14aeb57088f085fb2b7582a8993bc4eeec
- 0x409b084af9f8ccd23e95d06964f408e5b07aab8b59733766bde3a639ddb922b2
- 0x300a0db82323b7c530c3a459856f08a3f61b13669d0413c9f1a9d34d80caefc4
- 0xc5fafa793aac5b4ac596ec23a4b68b897d54a2e8dc9c1264ea01b920b8435758
- 0x4bebe4cc19bd0ea58ce850b3d1d1c0d6fe44c10fcbe094027f2adf322d004725
- 0x52737064c82b362c31548eef60a752b6fe11c86bfe2932cb19725ce08f688ed7
- 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
- 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af