← The evidence ledger
Evidence row 2501417
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:149549
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- afc51b6a0fd3be773ea27819fcbd8efdfb3da187556f4a3f0bf78a348764b1c5
- Leaf
- 0xc8b14e28aad0aab438c3e0bcfd8613356bdba21b50ffd6b1a376183142f80d6e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/qMS91r"
],
[
"a2a",
"https://centralcity.ai/a2a/6109fdac-0781-4785-9c1a-53e1ceb26608/.well-known/agent-card.json"
]
],
"name": "Harkel",
"owner_address": "0x9dd2d786f2f2b0e204539a432355be14c27b78b7",
"raw": {
"agent_id": "149549",
"agent_uri": "https://centralcity.ai/a/qMS91r",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Harkel 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/qMS91r",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Harkel",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/6109fdac-0781-4785-9c1a-53e1ceb26608/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/qMS91r",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T01:52:01Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Harkel 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/qMS91r"
}What the leaf hashes
{"body":"afc51b6a0fd3be773ea27819fcbd8efdfb3da187556f4a3f0bf78a348764b1c5","id":2501417,"kind":"listing","method":"sync.erc8004/1","observed_us":1793670721271192,"prev":null,"subject":"erc8004:5042:149549","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).
- 0xc8b169289efa42fe6f6a1cf056263d4f5e79bb997fc6f19642eedfe46be166d2
- 0x16ea5a09890263be4138aa9d31ffaef1fcb80efce13dd5551bc0e8634a72f55a
- 0xae3ea2ec9e947770fe0d7699f91ea2adfdc616ed6ab41a21fc8e69a7d3cbc144
- 0x7ec1b04d551e8e38b08ba0b144346e08e4385aecb508c3b4904d4a0eb3d1221c
- 0x5fcea5fbfeb595ee8a7ec01c98ab3d0b63abbd176a277c35e39afaf3c8c2ad35
- 0xb85687a1e4eb132065704784ac0ffb80d7a25bf4a24ee80f22da12989328d1e8
- 0x55d08ea1d5b31e4afd1af0b2995ba208bff4a80c901e9e84f3f3ac721a0f1a39
- 0x1f3ee73682255e3f58780e7dff77b457137e2035ae2620a1d0dd0a0264d445c2
- 0x9721a908c8fff159eb2b8461a130fdd4e5c9ac0ab23f373f8ba8e9f9248346f7
- 0xc023e65c03161fc84dac0ee45933fdac946d942df24f71a037af593daced2f31
- 0x6e3717d309d1641814c02841cb78c7fd7ee7fdfb0edbd50cbfa28610e909bf9e
- 0x16dd40045e8f0cab53aa8d3c2d131ce041b4b36e5efa3f4a730eb95415d4754f
- 0xe7d1bc5a19c72da3374cf6c5d9af49dad33e112742ba8c06c04d858a1df1fc15
- 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
- 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
- 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7