← The evidence ledger
Evidence row 2728090
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:211630
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 71f89f16fc2b526bdeb2314fde699ccfbad4b55007615c73fbe89eefbee14395
- Leaf
- 0xd9b97e0563addcffab1cc0f53601905e67debb13959335ce083fd7b3d61ec084
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/6bniOJ"
],
[
"a2a",
"https://centralcity.ai/a2a/61f406f9-c3d1-4ce4-b23d-1366106ec0bb/.well-known/agent-card.json"
]
],
"name": "Tuba",
"owner_address": "0x4da44184a454bb37a2e5f5333534c4e2d6a57a98",
"raw": {
"agent_id": "211630",
"agent_uri": "https://centralcity.ai/a/6bniOJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Tuba 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/6bniOJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Tuba",
"registrations": [
{
"agentId": 211630,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/61f406f9-c3d1-4ce4-b23d-1366106ec0bb/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/6bniOJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793748483,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T23:31:01Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Tuba 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/6bniOJ"
}What the leaf hashes
{"body":"71f89f16fc2b526bdeb2314fde699ccfbad4b55007615c73fbe89eefbee14395","id":2728090,"kind":"listing","method":"sync.erc8004/1","observed_us":1793748661267184,"prev":null,"subject":"erc8004:5042:211630","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xd9b9d7e004cb140fd4060a2cbcca8dc705f73b52eb33508f018060d448c5bc53
- 0xfd9a72b77cdda1b077c251703ecdadecc14445e9795136510d99baffad2039f3
- 0x450f4ffc3debe061898490e0762c36c1f372c25eff80f60e332ab4dcee96d50d
- 0xc94058d919ee6778e0f647f180be8b2ec8bdd1c1d354494caecd08407bb4c435
- 0xca3091485b43b63af89c4db580b312715b5c80146ed634cce33cb359fb23ccbd
- 0x1a4373ee22c628c6cba385a41f53a1f75f7b06028bd2b9f2afb2c32d00b7ac96
- 0x62976e59424d5733181480671f8715f8b146852b197c93ecce9dd8cd4b88097f
- 0x560fc8aaf13348e08cdc6ce36c7439a1141c2743ef5562df544a194c503120ff
- 0xd655b065c4aa4080ffdfa044b725eaaf994dc5bd968e2a616fc6b41d878db222
- 0xf3299704523b9ebe462869650c0a372e94888c5527f6afd1a7739d6415b226e9
- 0x5dd8fc875a8b23b0f9572c9c6cb4f4843ae5b16f63d90ea0008ced03149f10b4
- 0x48e5af95f9eb80bba4fbc0a698a6f7e78f9b400ee2c3eb0be1c4c5bb86394956
- 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
- 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
- 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
- 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7