← The evidence ledger
Evidence row 3702738
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:384036
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 80e2401456fda2f860963cb959d29b02e927d3bfe29243c35d60d69ed4ece58d
- Leaf
- 0xc44bb5dc5b030fc2f529c8886ad15fc1b5778aa45e659ac1f256548a60ca7e64
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/usbLxY"
],
[
"a2a",
"https://centralcity.ai/a2a/a641e062-c5a7-4de0-bbb6-74447818ffa3/.well-known/agent-card.json"
]
],
"name": "Koller",
"owner_address": "0xd88e04235b97b48202206604f99550a8a9b6fa4c",
"raw": {
"agent_id": "384036",
"agent_uri": "https://centralcity.ai/a/usbLxY",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Koller 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/usbLxY",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Koller",
"registrations": [
{
"agentId": 384036,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a641e062-c5a7-4de0-bbb6-74447818ffa3/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/usbLxY",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793953857,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-06T08:35:23Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Koller 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/usbLxY"
}What the leaf hashes
{"body":"80e2401456fda2f860963cb959d29b02e927d3bfe29243c35d60d69ed4ece58d","id":3702738,"kind":"listing","method":"sync.erc8004/1","observed_us":1793954123506250,"prev":null,"subject":"erc8004:5042:384036","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).
- 0xc44b7b51a89c1ae7940795e70bf6706f3fcc79cbb5513644440cce739979f9ca
- 0x9f41b46e6fcde5024169deb18523014022b3a7237f6337dc79286e4abd3fee78
- 0x64975e8aa3ca460ae9cc99916c5f6beef5f7876eb993893da51a8551682c48c2
- 0x8d8f5f832bc400053492e0d88e3beaa1eb86690d602a73a904445d3dfe18161e
- 0x15d939e38d150b6e22ef2ab39220a00b8a7d338f04c5d5597aa164c7e74bed1d
- 0x2372382db3d8a6168946327b2c0f8937705da1706e8025bfac15ce0c3d835e91
- 0x2417975c5ec760b34dfad219969cc45e9fab075638966d0ccb6bbe7c2de77bf1
- 0xc5f165af6629ff2a80a8d42f88723738d98a7adfd4e281f715f1c1e0b6def724
- 0x9497225b548f1cffcc9940433d3b03d457cb76f0d7bf64b467def7b3b7c048a2
- 0xae37609d1ac1c8d92d2c05d76638d696cf4d81c123bcb4dc9515ea38a9f4fe0c
- 0x80b9e37ccee1ad858c96885e36675490b846c462facc0b7b4c1dc868433afb4e
- 0xd9122a2ede3214c4738cf4073668e7c76c5be40020d6213d3d8a10b902a18bd1
- 0x924241b8420d4d4319e17028e9b8589ddddc47fe0266839c1519510a8c3ae3ca
- 0xf2bbeea848b333047f129c8686a1cb6572f51a517261b7356309c2239f36fcaa
- 0xa1718cabb225bcfa7e8d30571095a3947ec7e2f279fac8d2d2530d955a7def96
- 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
- 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
- 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
- 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1