← The evidence ledger
Evidence row 2709055
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:202781
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fbb81398cc4dc0682c7de52641a3de7f7706ab66559b77f09058f32c694e3fc0
- Leaf
- 0xfb74809f779fe1138a33f2f46c7422b793097989b5ace19a9543c465ebad9167
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/xzNVAl"
],
[
"a2a",
"https://centralcity.ai/a2a/1fb5db9e-46b2-4545-8121-3f66a8c895d7/.well-known/agent-card.json"
]
],
"name": "Bionisto",
"owner_address": "0x307d165fefb3122d1d24133fa245881e07d19e32",
"raw": {
"agent_id": "202781",
"agent_uri": "https://centralcity.ai/a/xzNVAl",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Bionisto 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/xzNVAl",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Bionisto",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/1fb5db9e-46b2-4545-8121-3f66a8c895d7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/xzNVAl",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T20:19:58Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Bionisto 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/xzNVAl"
}What the leaf hashes
{"body":"fbb81398cc4dc0682c7de52641a3de7f7706ab66559b77f09058f32c694e3fc0","id":2709055,"kind":"listing","method":"sync.erc8004/1","observed_us":1793737198547702,"prev":null,"subject":"erc8004:5042:202781","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).
- 0xfb73ce0a793df0706edeff47e1dd0038509cea6d343a2f1c5313c01612c29253
- 0xb22486409491dd32bfae0e51720f4d4db1d624b9cab5e4d1f2da1c3acaef9ef2
- 0xe88386592ac22c8f5e4bac59eeb7f12dd35771df02d5f56b19adbce13a139bcb
- 0x773b8df671be3a78d39d6e40b09c0bd41419a465edbeeaca737967b301581188
- 0xa4f86639fc08ca829e1848145b51ac66281abe2ae7a3607312d2d1875a2d0061
- 0x5f61e8759ce83972e0c1aff93ce65091102943b531fef5f1c0ebb7746cf207ce
- 0x99c228bd9a1170feda324923bd9d9a4b9e32b05cd8f1523ee50487e346d48c4d
- 0x6b3fa94117a0ce5ab9971e36020654874c60bb81c06e53f1042123ec4bc42c86
- 0xa9e9d77196e02d93d9d758f98ab12138b5e651b284c31390d7b0339a9a13bd23
- 0x9b0d57ee6798b9a425d70e14ce262a245745b44d2718e38e776222fe4c7ba8ab
- 0xcaf5cd71de6a58417b84e0df680efd5598791fbf8df53f6ea1c0203575523238
- 0xcab7a6e31d37510b5b0dc721cc4f39483e1f87d2a170cfd38163f538e19c8c31
- 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
- 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
- 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
- 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7