← The evidence ledger
Evidence row 2492359
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:145788
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 05454c0ed8de6c0bb7e603260c17574f3ba296b2e77e53a507002a44a99ca155
- Leaf
- 0x66f1cce3fb93f64e5c0c00dc14e45848985137cd8790e685ccb9dcf2b454d46b
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/KOIZPz"
],
[
"a2a",
"https://centralcity.ai/a2a/73ea5115-f3ad-4ded-80d6-095ed1deca87/.well-known/agent-card.json"
]
],
"name": "Piabon",
"owner_address": "0xbcd5a1f4eac7438ed8500bcdd90232b0594d9e9e",
"raw": {
"agent_id": "145788",
"agent_uri": "https://centralcity.ai/a/KOIZPz",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Piabon 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/KOIZPz",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Piabon",
"registrations": [
{
"agentId": 145788,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/73ea5115-f3ad-4ded-80d6-095ed1deca87/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/KOIZPz",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793666803,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T00:48:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Piabon 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/KOIZPz"
}What the leaf hashes
{"body":"05454c0ed8de6c0bb7e603260c17574f3ba296b2e77e53a507002a44a99ca155","id":2492359,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666917212919,"prev":null,"subject":"erc8004:5042:145788","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).
- 0x66f1a38f641d38870c1696ae8ff333d8466d9a5b8e9ea455641d6c8ee03438c7
- 0x7d1bc305d61c223e343cb3696dd398725f690e6e0bbcbb4efb50238f66f88fc2
- 0x510124ee33d1ae5457126275521178b89b05d8ac07e6cdd10a191b911239aaf9
- 0x45fb09d5b471ef25e6f0bafd40506354ebbb4204a22f8bed90b2cc550167a8de
- 0xab95ce5095dc5b70bf20cdac61207b33e4add084f327a25029f1e2dfdf9c8d81
- 0x0bea6d3d072739810ec0a3d98bc951b766e9bce15a8e47ac100dbf09eaa683eb
- 0xe7d04c95d49b03e5be6e94e62da4c775c78e7ac35429a2ca6c69b500672d82d7
- 0xe81de00753c4e2b35c3ed1978ec1460116d614f657bad7fe63496c1c9acfb74f
- 0xc9cebe810bb40f7d463154a964a34594c4f5436849738ab1a3193552464cc4d6
- 0x2cd7a7cb579b48c3e90dcc8473ff6c06ed99c407ac241784680f463b277d001c
- 0xeb0f0776ce3f396c7a2596f87f75ec78263359c65c88a33ccbaf52e06e96bb05
- 0x1afcffac07889ff89c585e14a13281f7d2d378e1248a75f06d54029a2885d90c
- 0x52c189e90e4b72108116f47d43eb5a8d0a5079c20090bfabc8c2e23ac7ec8019
- 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
- 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
- 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7