← The evidence ledger
Evidence row 3049966
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:275020
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f63d98905cb384b2e09d6d8656e3df3fb70f0ebd9af690ca160190ef5d89130d
- Leaf
- 0x2d8ee4af894c42735eb48c1ee39b9aee3809c26b43a6c7f7c5d443705650576d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/euYWQy"
],
[
"a2a",
"https://centralcity.ai/a2a/3c565fc7-3875-4600-b9ea-5105b4bf830d/.well-known/agent-card.json"
]
],
"name": "Niozan",
"owner_address": "0x16d69e4ef0d38b399f109f4fc790f0ea0d29bda6",
"raw": {
"agent_id": "275020",
"agent_uri": "https://centralcity.ai/a/euYWQy",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niozan 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/euYWQy",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niozan",
"registrations": [
{
"agentId": 275020,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/3c565fc7-3875-4600-b9ea-5105b4bf830d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/euYWQy",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793817056,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T18:34:25Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niozan 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/euYWQy"
}What the leaf hashes
{"body":"f63d98905cb384b2e09d6d8656e3df3fb70f0ebd9af690ca160190ef5d89130d","id":3049966,"kind":"listing","method":"sync.erc8004/1","observed_us":1793817265584460,"prev":null,"subject":"erc8004:5042:275020","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x2d8e46cf0db5cb9651a78d6d7e6c061a62cfd2a402a4546836e12dd6bdb6a2bc
- 0xf7ec822a0ea088b2525abc5c62bdbe9d1b07bc3b93bc779c98a3ab79267aad0d
- 0x28f1221d3cda0d1bfc395af144caaab6d601f0d90989b586781715ea61072d5a
- 0xfc1a4676c7554e94989e4ad2dcceb681b183a9269f98ccfc343b4d720661fcc8
- 0x668f97f7688eeb07f7f4ff31c86edc03bf87441ff917241c60ea3825a87d8223
- 0x0abef8c8c6a33f756039807ba1cf2f0ae06f51f4b033f5557a79931ba16c4212
- 0x00bf947e9de7f01ffc1b9ebb2a9c861f5921678d45ae72c87d42d3becdabd7da
- 0x170eb672a3450f94205aaa2cffc7300ea74289f8e10e13bd1ff24210a933456e
- 0xb6d9d276266adc87e1673e8cc5ad3c9e16dac2dfb063915f801dae5cc945a9bb
- 0x118c4cffd3860fc1ddfb98d8b5f8829c38faeb11f7abbc8d4116ceeb69cef042
- 0x097851e5d48a6ef001bdc13adf7c2b8f56ca95bfe2cbc03529f47d701b4e4b85
- 0x4575ce7dfdd34997eaf926c49cb611f91f3db53781cb58f754a46009d3b38e75
- 0x4e57554fac7ef0d43ef340faa967ab9c7606c4a16a9753e9d34e5c43785b12d8
- 0x9d907331506c7b04c540d946932cd0d003e3b8bed785427b82286d101a946ed7
- 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
- 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
- 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345