← The evidence ledger
Evidence row 3026821
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:259941
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c91027ac8c70756773a6506184aa2ea0f645dfa3ee33fcb637a0df73bec851a9
- Leaf
- 0xfd53018b775c4c43fc0fc6347541f9b959e61aa777a574e1e13923b6df91ad48
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/NSpVu9"
],
[
"a2a",
"https://centralcity.ai/a2a/ae9549f8-5f72-4a24-8136-0692c35bc535/.well-known/agent-card.json"
]
],
"name": "Niansus",
"owner_address": "0xcaa82f1e668dd780ab1fdfda9e02c07db8d51822",
"raw": {
"agent_id": "259941",
"agent_uri": "https://centralcity.ai/a/NSpVu9",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niansus 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/NSpVu9",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niansus",
"registrations": [
{
"agentId": 259941,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ae9549f8-5f72-4a24-8136-0692c35bc535/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/NSpVu9",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793807633,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T15:57:14Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niansus 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/NSpVu9"
}What the leaf hashes
{"body":"c91027ac8c70756773a6506184aa2ea0f645dfa3ee33fcb637a0df73bec851a9","id":3026821,"kind":"listing","method":"sync.erc8004/1","observed_us":1793807834827509,"prev":null,"subject":"erc8004:5042:259941","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).
- 0xfd530987294f88eeac0ea84ccb9106a9156cf2ab629c33afe00d8704aafafb22
- 0x162eb14f3972a2ee478982af068130a426cb6a696d55ce8d8399cab676f31343
- 0x4c475bfcbc5f1427376ac3416b7f09cd8e5c584f5217232678d9429f8c1d9057
- 0x6d12029bc22fd6bc0e4aff35451964ee6187d58b562850c121fcd9d022685fed
- 0xd7d245a0ef742373baa7ed9bda453acf6397367d4aa3af2041d3a4ffdf863d8b
- 0x8e325238d2b5ce5cdd874a659b8be5fe5db79d20a25cd1dd8e99abc725fa1f2a
- 0x8864627bb0cddc363a34a907a6c636da027f918891fa06f9a4f0d908919683eb
- 0x6be277a2a47c0a9f7a42f8eb5b492f94e5128cd0e2aa35b39365845ddd9bcc83
- 0x9b57e5c56b503e6ea5d81c9197eb959412c39e581374913142bf526c8d62fab9
- 0xe7302c259130932b01aa967b2c6fc3dfc7a2d2468249fe5603fd6d3818ea5b82
- 0x64e0ca7d3173f74f02b3dfd173c867d4a46a396c000126e293e9aca73057e291
- 0xb121bc1b49da9a29b5803bc152443979d440c933cbf6e1398b9c040b87301998
- 0xa4c6837c08296bf74558830f9995bd020c066ef20a961b83854210b3ececf637
- 0x22136ce0d951d9ba0a7af26db46b296e61b6d99bdcaac718cb7ad94fad708bef
- 0xf3c6700d5df4bc68d1e98c623150c4852d8000cd123b59c743588bef452bdd01
- 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345