← The evidence ledger
Evidence row 2116842
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:86917
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3600c41434353584e9e80ebe1246e62e175b434550161c0cf75ca18ce479d296
- Leaf
- 0x5b306ff3b5ff0ade353f4ec13144030c3b2ff1003afc768ebe346895e09bac4d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UMhoJP"
],
[
"a2a",
"https://centralcity.ai/a2a/cdf2f6c3-01eb-4fed-88bd-9968823601ff/.well-known/agent-card.json"
]
],
"name": "Basel",
"owner_address": "0x2cf9e5d707b500e2e01e9f28e79e6c78d3a08e75",
"raw": {
"agent_id": "86917",
"agent_uri": "https://centralcity.ai/a/UMhoJP",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Basel 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/UMhoJP",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Basel",
"registrations": [
{
"agentId": 86917,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/cdf2f6c3-01eb-4fed-88bd-9968823601ff/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UMhoJP",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793617435,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T11:07:05Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Basel 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/UMhoJP"
}What the leaf hashes
{"body":"3600c41434353584e9e80ebe1246e62e175b434550161c0cf75ca18ce479d296","id":2116842,"kind":"listing","method":"sync.erc8004/1","observed_us":1793617625040445,"prev":null,"subject":"erc8004:5042:86917","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).
- 0x5b306f658d61b1700f26cdfa2bfed4ca96b43e2d6b8e3e414badfda1b8987825
- 0x1d321286ee20d21f51aa785f55f7f0689ae01145a917ae2b5e38120ee2a833f0
- 0xc46aa1ebdce41054679625792d2779616689aa327c987d7dfc79f294b66c15eb
- 0x2e901ff5c24f17f6c794a6976941e8a26a168cdf05bde273f403008f58fb49b5
- 0x825aa880012811442649bb04a873fdf7b1c0d9142a60d97d28228f68eacd53e3
- 0x6dc7f774f2f747879429309fdf6cce44685a772094a3a66d3b21ab59a07427a7
- 0xfb35cffcc244b42e534146f3a6218d48a7eb86b536c278e689ae693c55b6026c
- 0xf640faa857682778f3d113c755921eace5c83e5d6149912d0802391840fb7ec1
- 0x457038b85da6c23eddfaa938b5efc50ef4c46d4f848229de32d626694134b145
- 0x4d1009690e5a00e41999066377a4fdde2f8d3fd5d58087e85d9eaba4760c8a93
- 0x5dfd6b8238c9c9463d945b92375f14134251982a576313a89488b7314aa48958
- 0xc50f51339262e39d55afbcdc6f7bed39e2183da928578f2ec140055f38e1a1bf
- 0x04a2764875935b38489e204384b26fce2bde25d67ea9c3bfa8dfb815f7d3928e
- 0x463370b8390b2f93f44023fe6ce3fd4ebff0a7fecb7894dd4f82f8253ec8661f
- 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af