← The evidence ledger
Evidence row 2079577
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:71462
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a4d735289c7d5471cb323aa48f01022cf7c0c9b9a62b3b2c894d21ecedcbcf35
- Leaf
- 0xf7460620b25875c907ec1ba9af60dc29415a6dddcef87df9d8264386f2138962
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/QkycBv"
],
[
"a2a",
"https://centralcity.ai/a2a/4fe3c261-3e14-4288-9c05-6639c632d0d0/.well-known/agent-card.json"
]
],
"name": "Trefel",
"owner_address": "0xf6fad247a75c1263c1b432303c1156766cbfee98",
"raw": {
"agent_id": "71462",
"agent_uri": "https://centralcity.ai/a/QkycBv",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Trefel 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/QkycBv",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Trefel",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/4fe3c261-3e14-4288-9c05-6639c632d0d0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/QkycBv",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T06:59:13Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Trefel 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/QkycBv"
}What the leaf hashes
{"body":"a4d735289c7d5471cb323aa48f01022cf7c0c9b9a62b3b2c894d21ecedcbcf35","id":2079577,"kind":"listing","method":"sync.erc8004/1","observed_us":1793602753411989,"prev":null,"subject":"erc8004:5042:71462","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).
- 0xf745cfc8a5ece0a16944250a3569dee7b3ac9afc39d27df36209b97225920099
- 0x07caf18f04fd58d857f72e298dfe584961c166739cfcec5df76da3b5d9e818f0
- 0xa3de98b9a1b56ec0b43333e823ce086077f8669c29d72a72742ccf01ceb4b4b2
- 0x169e6a92696154a783f5ca24556100732f0a96664c711cc05fac6e4b6b3124de
- 0x7537c9273913b41efc513dbc6462ff6a9393de229271fac7455c4d0209b662bb
- 0x90690f62795032116f894df72142382b8a7a2194fca380fc701b6f13bcdd6746
- 0x2be2d5a35198c8d5addbbaaed5e8fe8c3de3cbbcd6d9730ef459030d39b3ca6e
- 0xf95d49c2a7b0b95770d1f30bc120f8d6826d2e4f5479adcbd0a9aff5d3cf77eb
- 0x09c2cb6ba5dc3b6ea4ad205f56b3fdc39fe80f2b16882e439cab06936e75bc12
- 0xb53c0574b223a7b136990f175dee991ef479b99569b6ae47232d8781d3064089
- 0xe1e485a8d27668a5976b2d5832055d1e4425c667e5808932fbd2c3f56f9ddc1f
- 0x93c9b5204cb75374db0fc8940c7bb2dfc4f17b307130f5a55adb819570fd792c
- 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
- 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
- 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
- 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af