← The evidence ledger
Evidence row 2042141
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:54097
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b62d4cfdf6e478c49aa72ffd24d894f2443ebc94306cf53889e27f1b47dee3b3
- Leaf
- 0xbd7e571676fdfca0637fa9d5d0efe358cbc2602056c975cd8ba759fcf2e9ece2
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UVPFzr"
],
[
"a2a",
"https://centralcity.ai/a2a/18f4648d-4270-4995-83e7-b4b7efd19f7d/.well-known/agent-card.json"
]
],
"name": "Hububa",
"owner_address": "0x3cb377b3c5948c14de7bf3e5673315c86a3f4b29",
"raw": {
"agent_id": "54097",
"agent_uri": "https://centralcity.ai/a/UVPFzr",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hububa 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/UVPFzr",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hububa",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/18f4648d-4270-4995-83e7-b4b7efd19f7d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UVPFzr",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T03:00:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hububa 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/UVPFzr"
}What the leaf hashes
{"body":"b62d4cfdf6e478c49aa72ffd24d894f2443ebc94306cf53889e27f1b47dee3b3","id":2042141,"kind":"listing","method":"sync.erc8004/1","observed_us":1793588437539922,"prev":null,"subject":"erc8004:5042:54097","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).
- 0xbd7e6d8b8ba8229c4ef2c439ca9d2c99d7fdce2e743c3d6526cab06486cacedd
- 0x4cc2095b7aea46ddfd8e79e6b233187ee27d7a18bda401d5f328c8ccfd5ebfe6
- 0x70388f5eeea2c5ed21c062e3cb9c3f14c5c1547d4575f9b42988d700d96d302f
- 0x601da54e0c21f7c283735c20a776befd0fa1445a2cfa44e030ca6fd45dad12bf
- 0xe9a999d8b0e2cc5c8d89742baa090de25de259bc3d7237040fca78e20a1ded10
- 0x5d5caa017d352277df133925566f56e7f266b56c308559d34fbfef1a3d92c36e
- 0xffcbd6711bb0a42d85d83bd0f52a607965ce74b0c243210143b2e3349881c2ea
- 0x494148a258fae93472835b726dcda04f7ed0ac501e0e1441568b3ccb8944f5e7
- 0xc31440e506abb708a34c342ce1f96ff76f435daa36109d90b9a0e4d665082754
- 0x9428d10b04c634442b060531ed2ca721987463f79019d1cc8205fe81d73d4908
- 0x390b89450b8da13dbf615a50c34fea490249f6b2ad8c307bfe7540d0d6973dc2
- 0x2125e33545378f38f6b289948fbb39dbb1e50e75daaac839754e4c6b0b27f9b8
- 0x047210a388d428d19c536816e7de36503493563ebf77985dcdc7335f49f50a17
- 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af