← The evidence ledger
Evidence row 2096267
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:79237
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 52057408813a091d53b9032384f80f22323c05104a603e7772e990a4c9704941
- Leaf
- 0xe1af19d19f710bb7e9b175f4aed62f16134da1d2a9819703ff592961729d263b
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/bm4T23"
],
[
"a2a",
"https://centralcity.ai/a2a/d2df1595-cd95-4207-a13c-58fc830afad7/.well-known/agent-card.json"
]
],
"name": "Biokias",
"owner_address": "0x5da01c5e070c04b69650cee5004559e4baea7923",
"raw": {
"agent_id": "79237",
"agent_uri": "https://centralcity.ai/a/bm4T23",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biokias 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/bm4T23",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biokias",
"registrations": [
{
"agentId": 79237,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d2df1595-cd95-4207-a13c-58fc830afad7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/bm4T23",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793609200,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T08:51:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biokias 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/bm4T23"
}What the leaf hashes
{"body":"52057408813a091d53b9032384f80f22323c05104a603e7772e990a4c9704941","id":2096267,"kind":"listing","method":"sync.erc8004/1","observed_us":1793609467351534,"prev":null,"subject":"erc8004:5042:79237","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).
- 0xe1af6948b1f4ea7297325774cbbba8d6667acc806016ee869fd9b74c931bb6bc
- 0x03fe6070f58207779de778fb36ef693e2d60a11056f15ca3cd9dac9924e52b6c
- 0x0ae4af513f9ff808b0bea99418917d0f0840049a5a7f491001d806416dc84d98
- 0xb09653b5419880a02ef3609790b62a689d98d7cb857f06daa210ac6b8ede385f
- 0x82a0ca4154275b2460219af0f466721418a889da5015d73b8e77c150d782e787
- 0x15f2dcd84ab29b04f8d5f6e8736cec7b07667fbdcaee22f0152c14b7a26eb082
- 0x4309ec68f04f5ca4b68e7e28d17eb65111543f0cb140ff153dc8cd1c1bbbc78c
- 0x9dda8b011c03555a3be2d1024189767687b361aa6369a2448b34e907a13fade2
- 0x467dd624eb11252e850006c2a5306cec771e6104ce683371be338e76a37208f8
- 0xa2b8ab1e60e2f4e0ca9d8bcf3b1f4f0e51be9edd1a6fd4cf7ec0f851e5c5c153
- 0x63e0373e5369f211d397715825c9258dff860f716423f686e136c5c955686e1d
- 0x37814ff7d770a63821d15b27a2e5fdbaf9a62bb6f9fbf75879c68f737912a066
- 0x1a1962c4212994dc624f2a06650960c085108399590bfb7472893d9b1c149e31
- 0x5dd75981e1af83dc5ec1e2b8a2959012484cc3ea2e0defded2187a5a93ba7236
- 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af