← The evidence ledger
Evidence row 2598255
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:189045
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b89d1f04ff45c78b5cea428b905c16cc182665677197b1f879a8fedfded066cd
- Leaf
- 0xa9ff1df87940f4acd7d2cc5335e70ba1cb4de2b5536416bfaaa3b80c204429c8
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/t1fRQJ"
],
[
"a2a",
"https://centralcity.ai/a2a/547f42e6-d960-496f-9fec-22cf8aff773c/.well-known/agent-card.json"
]
],
"name": "Barka",
"owner_address": "0x905e569d0eaa5c5ad13b35372d5ca4a864a3f0ae",
"raw": {
"agent_id": "189045",
"agent_uri": "https://centralcity.ai/a/t1fRQJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Barka 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/t1fRQJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Barka",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/547f42e6-d960-496f-9fec-22cf8aff773c/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/t1fRQJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T14:47:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Barka 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/t1fRQJ"
}What the leaf hashes
{"body":"b89d1f04ff45c78b5cea428b905c16cc182665677197b1f879a8fedfded066cd","id":2598255,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717227561668,"prev":null,"subject":"erc8004:5042:189045","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).
- 0xa9ff378223432010594a103572e125f22895d0be6b882f1116d21008020e11ae
- 0x186f81799e4a69b5050d9468062721bdcd07de27ca164b74b9a2d1a34439ba80
- 0x00e770ca1371927eb686408a0bd1ad7a7b71306c6406dfc15e8ae9ed800e9eb2
- 0x2ec3091bdc627fcb7beb9e9addc23f7fba16955b132f73e9d31090cb80b6c747
- 0x4d2d05c3a723aef375a993d0b3fb234b9f453b29b5dae316d1f1773972ef1cd1
- 0x00e21437c621a3b1ad668cd709e3d02f151f3238a1185dd6fc972ddd3245a966
- 0x5450b75bbcc32014f90fba2457f139294d84f0f43df3af2a8e61ee5f5d1ae0be
- 0xcb91d2a90a86153446267078cd6d8657c5608db87bd53b07fbd562c0f6bd8aae
- 0x38de02cdbb62aaf1d38f615ca957109f9923dfcc545887598f15b769f2cee6df
- 0x5c05f301f55c7471416b7f767d03102104e7d6c20c5d5d857eab52d79793baad
- 0xb80b9dfc1e960bff1d2cba757d8e1d69ea511b4c77e08dc131e5ea8efcfa284d
- 0x68ba01882f8cd5f05331ba4c13ed1736bd385302dfe369562d8c8dffb411db04
- 0x072b3d17bb7341e0a6f5545d34c6714e6464c4add696fb4eda76427e86b03107
- 0x0ca6f7cbe9f26e47db97b53988aa24d0ac07d16b5a4d91abf869814d4d297de9
- 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
- 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7