← The evidence ledger
Evidence row 2301007
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:141547
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9aa9a20c27c61040914f7d15b7f0d4d56e7803eb32eb51ee77e101b1b8ebd54e
- Leaf
- 0xe0ec3973fb50145159baf54048af7dbd1bcffff41734806389d1a92bc75b1420
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/CbQzeL"
],
[
"a2a",
"https://centralcity.ai/a2a/9549531d-a1b6-462d-a748-5374b080fed7/.well-known/agent-card.json"
]
],
"name": "Biatert",
"owner_address": "0xe92a22feaf8bd04d9bc0658d3d56ea563fa1b5ad",
"raw": {
"agent_id": "141547",
"agent_uri": "https://centralcity.ai/a/CbQzeL",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biatert 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/CbQzeL",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biatert",
"registrations": [
{
"agentId": 141547,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/9549531d-a1b6-462d-a748-5374b080fed7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/CbQzeL",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793661800,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T23:28:09Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biatert 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/CbQzeL"
}What the leaf hashes
{"body":"9aa9a20c27c61040914f7d15b7f0d4d56e7803eb32eb51ee77e101b1b8ebd54e","id":2301007,"kind":"listing","method":"sync.erc8004/1","observed_us":1793662089298117,"prev":null,"subject":"erc8004:5042:141547","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).
- 0xe0ec0de03a817c800829521aeddf0de76e8270cd916b20c8aaf696990df640da
- 0xad89a72299f568990729b349803b138f9577a88a530db89cd210baa87ee48571
- 0x4203e85d9e4626d4aaed00c1b0569a25bb193b9052bbfc2acab3b26dd807746a
- 0xc87605664be1ba44928b3516da88ce7c7dd658343c3f33a8b3507d5245fb9265
- 0xa4ee8eef989cc27056ee7de4ea9d13cdc3fecb748282b9ceafdfe9bed3713d7d
- 0x6cd2a9675121c66c57953289e408a0e87b8ee1fdaf1b4fabded9d6d58ff1fa33
- 0x5b83bd27c7fe3c3a40566d947cbdc98966976cd79cafd93430d4772b0ed25de3
- 0xcc9f156dca65026214b3773719fa87636cd5f48a185880313407dee35afdf8e0
- 0x925d8204bcc2d39b3fc8bba5a99d1c9242a667724202b68709d2386f635c4697
- 0x5ff00648ff4cb12524d83a1f194d14990aecd693077b5aa9596d44916ce8e0e9
- 0xa6f8ef975caad7e070dc267743f604d4feb4e7dae79157b7945739ee71e898b0
- 0x348e4abfed652ee90cec768f8b9dd0632fd1d5618c297603457be42849334476
- 0x1a1962c4212994dc624f2a06650960c085108399590bfb7472893d9b1c149e31
- 0x5dd75981e1af83dc5ec1e2b8a2959012484cc3ea2e0defded2187a5a93ba7236
- 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af