← The evidence ledger
Evidence row 2943477
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:224076
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 08183eb519ec78feed5cbf452b96702f56d4608d10cca2c6eea74d3b47ac4fa3
- Leaf
- 0x693a6c1ecb86fd4c9f475a69560c19ad07e718cc89449fdab052557116d0e2bc
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/4KyWYt"
],
[
"a2a",
"https://centralcity.ai/a2a/9aea860a-ea9e-4778-8371-9013102e15a5/.well-known/agent-card.json"
]
],
"name": "Niossias",
"owner_address": "0x6e49f8c8152f11382dacfc09688edbdb8bc9ce6e",
"raw": {
"agent_id": "224076",
"agent_uri": "https://centralcity.ai/a/4KyWYt",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niossias 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/4KyWYt",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niossias",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/9aea860a-ea9e-4778-8371-9013102e15a5/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/4KyWYt",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T03:58:41Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niossias 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/4KyWYt"
}What the leaf hashes
{"body":"08183eb519ec78feed5cbf452b96702f56d4608d10cca2c6eea74d3b47ac4fa3","id":2943477,"kind":"listing","method":"sync.erc8004/1","observed_us":1793764721316985,"prev":null,"subject":"erc8004:5042:224076","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).
- 0x693a367fd2051d823513f32915958a9a6fa8221da886a098ba58c11765888f86
- 0x1c425626bcee97650f2d255bb805b03547d848589a90ce672ba8e23803785a28
- 0xee02030a2a47d5e812342932ea34450be13e41275e9d94e439ecab18d2fd6397
- 0x6e534684fa8bea49332d9a09750ed0d5fbb6e019819961768c2168539ef09f7a
- 0xba842f3f671d4f292c0b04771ef2761cbdbbbfcb9dad4073412ba127015fc35e
- 0x01e39b09b30b125e1177511a432535b89914817353a0b60b84309366995e9540
- 0xf84801bfec6b911ffe63aa1908f4153da2f15dcdc17cb476744371244e3c0098
- 0x403fe9cc3af95025ed145a07567c159aceeec42922485b0d2f1f28a95015be80
- 0x2f97233b35a97ca4d5c89c4cd8be9ab3a8f31de93e745d11601ee2482d5a6ac8
- 0x13e00614fea838e8ebb3aae1340d24294323c70e2f98acd16d7e11599ace34af
- 0x40479b2d8010e9049613fcd934b08dade6b05e4eb7f72b9b6277ed92195740c2
- 0xaae3003511203cf085fdc7ca24566ee20bb7da8bb177af3ec7cbf72c7ccfc23a
- 0x216c4f7cb39735a92a679f53387ec2cc0b20dcad456dba44554a9756bca6b24b
- 0x3712db1cb5396683f3920f9feec808cf32004edf753d19ee1e3de6f3e846c055
- 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
- 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345