← The evidence ledger
Evidence row 2550140
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:168231
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 558e63a4b779ec4281ed77628381c49ccd5466b0f0b279088750a24991757d6f
- Leaf
- 0x6b032366c6b37bc3559cab111fd62d5022297c933e2b808ee153b97b835ea8fe
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/QYBylO"
],
[
"a2a",
"https://centralcity.ai/a2a/36b692d4-7409-4cec-88d3-95fffd320ee4/.well-known/agent-card.json"
]
],
"name": "Klaubert",
"owner_address": "0x3b4edbaeca5f59936fc71b3f448013751a3e16b7",
"raw": {
"agent_id": "168231",
"agent_uri": "https://centralcity.ai/a/QYBylO",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Klaubert 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/QYBylO",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Klaubert",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/36b692d4-7409-4cec-88d3-95fffd320ee4/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/QYBylO",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T07:49:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Klaubert 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/QYBylO"
}What the leaf hashes
{"body":"558e63a4b779ec4281ed77628381c49ccd5466b0f0b279088750a24991757d6f","id":2550140,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692187654143,"prev":null,"subject":"erc8004:5042:168231","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).
- 0x6b0321d8cca8b3a538736b79dbe66eaf66f8d0eee012e2fb02d96e1f14b3a92d
- 0x8d9b12cd6bd100fcea36e30f9f9989b9bf5e35ba54021bcd8c446e6cbb0649df
- 0x90c399ccb00d5e48b6c54287db0d077b95d39cb9394750eb1f58ee333d0b429a
- 0x540bf0393f998a1afc4e3cc593d9995b83bcce18ad42f7fa397046372909a42f
- 0x9d467959d9e9784d22eafd44481380f9149e9cea3859eda02e4d0007b2ab6ecb
- 0xbd33b8db78bb1821f4cbcc721e66d4a8d496e639e4476ab4a6f996004a747908
- 0x9f4abeec820cec9adf43cf1089eb237f0d36a1bdf9a801d905a0d2fa27421884
- 0x0dad0913ac97f2c05ddca62ccf7b072945a0fc135ccd25715e7f43e549a74106
- 0x7a73876e18f668feae1323f047b72b2597586e0360d765f698b4ef2c2bd8517e
- 0x5bde6283584f9dc7008c4b3a8152dbaf780b42e6237d5575b2b09ece24b90056
- 0x046a90fe2eb4b95410bfa694e1fcc0b179d9b0c575874b777360c7ba85cbbda6
- 0xc3bba392f5c102d61b1eedd92934180192353d6556d8f8769f56f992520f279a
- 0x6232c1c8ae041600024efcd1bf1dec010d5da224b5788d182cf665d4f60da7a0
- 0xb3db8b63788b8a266b4e7a4464683e6583189a54ea3ed27e3979d71ea98215f4
- 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
- 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7