← The evidence ledger
Evidence row 3408955
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:337899
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cd1a00f03fb19da0f30c883fb286b535fb929aecbea255f4d728f1536c0e5e20
- Leaf
- 0x74970f8844fa0b99797f561faf56692d0a549ec46a40ab5d499b975ca4fc0931
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/l1TXJ9"
],
[
"a2a",
"https://centralcity.ai/a2a/89023e3e-5387-4acd-baf0-3c44053b499f/.well-known/agent-card.json"
]
],
"name": "Koller",
"owner_address": "0x6e4b4b83ddccf1ea7604271f84f6cc5064a001e3",
"raw": {
"agent_id": "337899",
"agent_uri": "https://centralcity.ai/a/l1TXJ9",
"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/l1TXJ9",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Koller",
"registrations": [
{
"agentId": 337899,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/89023e3e-5387-4acd-baf0-3c44053b499f/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/l1TXJ9",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793885331,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T13:29:16Z",
"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/l1TXJ9"
}What the leaf hashes
{"body":"cd1a00f03fb19da0f30c883fb286b535fb929aecbea255f4d728f1536c0e5e20","id":3408955,"kind":"listing","method":"sync.erc8004/1","observed_us":1793885356234306,"prev":null,"subject":"erc8004:5042:337899","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0x7497044eb1da0b715a61876a640639364e3d0219ecaf6fdac06cc6baffa5f57c
- 0xabaf2aa67fc17a3e03e555ffb5feb4b039a53047b49fe54f8f9e8c8a5908e6a4
- 0xc8b1fcb6f45cc812cdb70d4cb90335ad320de5ba1b15ec238da5fe6a47721e78
- 0x053b265689f35ef262de1e31fe153936e779850f99e45f83d8c47d4cbae8e185
- 0xed9335896253ef346e924d6779b904c77cab5c66a538ec177c66c1e63261f03a
- 0x688442861f5f1ad95bf412b43d49e02fa5a80b6d4ff6744be2c9e10949287711
- 0x5711e31399d06edfaa759fc18499aa733fa3dc6aa2d3e5432bc1e14a98d657bd
- 0x5966d160241ea7f7d7670b7c6f02972f527175687903937a99b2a5ebca34a578
- 0xc506bb76bfaf65deef136e17bd80bcf16fd00bb65c3ddae6ed78b9afb61b02ba
- 0x62c7d5fdb79dcadd2725ffa913a8bb03878d795177a1e0416020adda885ea6bb
- 0x3f7595cbfdb411fdab191b399d12a056cadbac13f31968c6d6ec836032005ee6
- 0x7d961fd0f6a72244e8b15a26a354e745e57a89861761c1b8fe6b707ec5464fc2
- 0xcd10cdac83e7a4f14b285d956e9d7858d35953837d438fafb62fb1e7b319f218
- 0x7a97b9b4888ef386a7abe73f8d9c076a7ebfba8bf58a95a273cd4304e478a2a5
- 0xb5ea076f0a9490f58daaa0cbe915aa5dfdfe460bfc500eaea09b59c1d753d699
- 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
- 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
- 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94