← The evidence ledger
Evidence row 2043656
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:54768
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7a3d31a874757b424bcaf6ef8b9d3d2694b0cc1a982bfb8c7434c72520e897c1
- Leaf
- 0xc61477551ae9f29254cce4a60f15260584d10d6e339dca591bd7ccf0213c8bca
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Ve9LF2"
],
[
"a2a",
"https://centralcity.ai/a2a/ba116806-9a46-4b04-b204-28962c4e4f3d/.well-known/agent-card.json"
]
],
"name": "Biobasa41",
"owner_address": "0x9b7e10e95fe4b3d6fbf038a7fe725e0b358fff72",
"raw": {
"agent_id": "54768",
"agent_uri": "https://centralcity.ai/a/Ve9LF2",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biobasa41 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/Ve9LF2",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biobasa41",
"registrations": [
{
"agentId": 54768,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ba116806-9a46-4b04-b204-28962c4e4f3d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Ve9LF2",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793589003,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T03:12:23Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biobasa41 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/Ve9LF2"
}What the leaf hashes
{"body":"7a3d31a874757b424bcaf6ef8b9d3d2694b0cc1a982bfb8c7434c72520e897c1","id":2043656,"kind":"listing","method":"sync.erc8004/1","observed_us":1793589143790987,"prev":null,"subject":"erc8004:5042:54768","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).
- 0xc6148904bc07c4eac3a08f1965366f8c2bac3f1972032e6db3adfb097ab69d79
- 0x7a1ca57837f05902e1d73ba9f652deb8d0f00e2875e2e7514f65a64e6cf31b49
- 0x41284a3ec983b07ae3eedb1c5059fc65e81013df91baf8afe7fd687e6b3208ad
- 0x65824431cfff1b86f8ae7d99f107df72007ffb56b6345d14dd0651e72436a2f4
- 0xea17811b71a1ed7495f1e48b170acb1c54184196009461571fa338722fac6b56
- 0xf4076772b5566aa2950847558ca8b8ed9375cf5e39d9857f43dae8f2f6f758df
- 0xdb9cca9e82b6e62fa745f5466fa39f8e13595fca6df48a837c0e472193a2ee62
- 0xda6f93ad13c43b95247082583725e4d560d14f2ea684ac7e9885fd282a3ce525
- 0x9c17e6e2c69a189fdf8ab4a7a0cc86e13b0a2ffde0feb385096cfdcdf8cf0c7f
- 0xff310ed0663a28898327a3d9589f8e1fbea1d32d5752fd4998b2657358f1765a
- 0xb8fd074d108a2bcd56c4f7126fed62933a62c14f2ecb64dd8eef48d4e9761221
- 0xe78e0108a33bc40fe99aea04c607a9faa81956e2f5970f2f31f3bee3a446f5e7
- 0xafa7c2528a5e5ab2ec272c4794ef9517ca380c049b82862d11597b1e41a75b95
- 0xdfd116d725e076b0e3bd74ff5682dfe6834735313673c580d2e58972567174a0
- 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af