← The evidence ledger
Evidence row 2124513
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:90423
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 77ea1c0c5905e7fe70b23b955901f6ccb78b82fbecbb9ccbc07eeb5ea0504f59
- Leaf
- 0x5110f45eeb2e349c79933d5f15d0864c447bce1696db4227aad42823112543fa
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/cqs0Cn"
],
[
"a2a",
"https://centralcity.ai/a2a/91b52d10-6f7f-4107-82ce-5644ff5b7ca7/.well-known/agent-card.json"
]
],
"name": "Hakolla",
"owner_address": "0x983df323ab29a2e2d66eacd6579e4a508e6b5239",
"raw": {
"agent_id": "90423",
"agent_uri": "https://centralcity.ai/a/cqs0Cn",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hakolla 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/cqs0Cn",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hakolla",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/91b52d10-6f7f-4107-82ce-5644ff5b7ca7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/cqs0Cn",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T11:50:51Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hakolla 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/cqs0Cn"
}What the leaf hashes
{"body":"77ea1c0c5905e7fe70b23b955901f6ccb78b82fbecbb9ccbc07eeb5ea0504f59","id":2124513,"kind":"listing","method":"sync.erc8004/1","observed_us":1793620251330024,"prev":null,"subject":"erc8004:5042:90423","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).
- 0x5110faf6d167a1b4de05d045b285f8dd72ca7916f621bf6b6d6310c870a787ab
- 0xb7100b2b543facd8bdb47711a826f9d1b784f85b7f2ef36b856c4c2cf5e5cd57
- 0x2bafd7ff8cce4fd51d62ceb8f4dee7835cb8ca8cc469a62dd3cf0d64a1bcee7b
- 0x620feb03c1cc12f0fdee27f77dc1415ddb07c846106526acbf3a7a52b72bedd1
- 0x27f3724f09cd2bca548e4a5cc7f47fcff3ad70dbfaf20975e44a488e7a250c89
- 0x87c4657a6a6339352d5d3120d80a1a75ed46bdfb576233e243c97e5fa5e54344
- 0x088642dc5492a74efd4c8841853fc2878a18b227e96a0fa65ddb4372f8fe7560
- 0x28c6fd0744d8c42a186cbb9b2dcab9db994de930f95ef30817d4acedd3e15de6
- 0x456ea23fa93ee69f11fcd7011cf6a9a0a3edf3066f77233c429a6cbb1b9472d4
- 0x978d3bda751060f065d935b7e02995ffb9492e50735ec3a48ec65844d435a482
- 0xffaa649f3c394fc6a729f7e62fd70cc67baf7cac94b4346600e6beaa0c231876
- 0x35f84c0e4e28cd4a63c3ad6490420fe24bf67bba5f080e714a71d6cb0d991695
- 0x2f0e87a22fc6aaaa04d17a8f1c5dda340b8d3c208a1b8e26986aed7f54ec42a7
- 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
- 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af