← The evidence ledger
Evidence row 2196636
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:124300
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 922b8c17a8b768a41893b33ec5fcbc2e254698b3d3bd1c33430e2ee4642b5966
- Leaf
- 0xa56c24ed2cd6db9eec8eae6ab1ccf7040bb322b62e161f85e8e2b3c5aedb6af7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/fgrIp3"
],
[
"a2a",
"https://centralcity.ai/a2a/00222b3d-29b1-4afe-9725-c91a8f21f66e/.well-known/agent-card.json"
]
],
"name": "Koller",
"owner_address": "0x643e8b5a31466b7b026d16b568e8f916b277afb0",
"raw": {
"agent_id": "124300",
"agent_uri": "https://centralcity.ai/a/fgrIp3",
"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/fgrIp3",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Koller",
"registrations": [
{
"agentId": 124300,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/00222b3d-29b1-4afe-9725-c91a8f21f66e/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/fgrIp3",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793645991,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T19:01:24Z",
"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/fgrIp3"
}What the leaf hashes
{"body":"922b8c17a8b768a41893b33ec5fcbc2e254698b3d3bd1c33430e2ee4642b5966","id":2196636,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646084621805,"prev":null,"subject":"erc8004:5042:124300","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xa56c515af02feb7be123c0db2e143bf971e2e226292d47278bbf17b24299e692
- 0x68f98d7dee8b9ce199034fe787306d39423000964b05e9c292a5ef8543b322d5
- 0xc21575ba9393aa07c5b2c741aeefc4a75c824c9187766067efdc864c4ad3e67c
- 0x22abe4fe3f07e13cffbad2a3adc89d8c04ae788185d3a183f036e8673109c33e
- 0x791e679fd859babf56a5412b40fec9e6693e33b4cefdf4931bb402c585663e2f
- 0x278071aa9b30cdda966a4510432133b432b3885fc19fb6bee73ffe3bd204ea84
- 0x0355ddb6559befc1cb5c88355441729cc1bca3b2b55e18f7463b942d2baf6e83
- 0xb78cfec0b72c16c07eba511b12b0dc5faffeed1f4df8aa27c4ea09dee06373e6
- 0xbb177538c3de32a7cf52c48983d95a259030b1916ebae3542e65e0d4887423d0
- 0xe144bfd73962306dd36296a92a87fac337a6fe22994e9c9b6e6ec33827936224
- 0xe3f02b427f59850600c9d974c72867477628ed537cbd789cbc04fd77632ff008
- 0x4c4f4cb682e94e3751eaa1fa136fc04582c4d9d8eb377f4fef8bb9a5f3e31983
- 0xec9b01ce49e2dd688fa78781733c888976342aaf0672176098d6561858941ddd
- 0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1
- 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
- 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af