← The evidence ledger
Evidence row 3009902
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:249734
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3d2c5bd0b7b32ae06d13ece5a4569f46ea83cdc2b2fd20601810e1462fa1b5cc
- Leaf
- 0xe0d2d4d40c305d9fcb157dc162a23f47fe5f12b51c02b5b1b0ba6238b9c06ec1
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/0R8P5N"
],
[
"a2a",
"https://centralcity.ai/a2a/bdbe159b-1538-4cbf-bbb5-1b948d98bf06/.well-known/agent-card.json"
]
],
"name": "Sempel",
"owner_address": "0x775991dafc28d9b41872c4d497c562069019a443",
"raw": {
"agent_id": "249734",
"agent_uri": "https://centralcity.ai/a/0R8P5N",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sempel 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/0R8P5N",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sempel",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/bdbe159b-1538-4cbf-bbb5-1b948d98bf06/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/0R8P5N",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T13:20:10Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sempel 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/0R8P5N"
}What the leaf hashes
{"body":"3d2c5bd0b7b32ae06d13ece5a4569f46ea83cdc2b2fd20601810e1462fa1b5cc","id":3009902,"kind":"listing","method":"sync.erc8004/1","observed_us":1793798410116272,"prev":null,"subject":"erc8004:5042:249734","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0xe0d2b8e52fd0b8de3d35c26a98dace0cc94f87e746f2f6e5d61f7ab0b5ac7ed0
- 0xc846158100e7626c3c9ec91426cc2f8c8c8d81ebb74f5668008a4e0b5c4d14a2
- 0xcd139050549d6e5f521e231f3620bb0ba24e2668c23ab48ecf5f3621b368ac43
- 0x556f1218b402492464553c580dba5e902922d4dfbbde4dd3b97dce6fce81a805
- 0xc13823185507acf9d73d05305c6ee5d097eb450faee939c4e81fe0ec3856098b
- 0x89a816439da1d3b3ee5103314260c797e0249ee125584c60ee78fb7f682d12f3
- 0x9f8450262f3797313b08c81bef37f51342ef44cf480293849af0b7a54e7eb313
- 0x8bff147e5089289f76e06a6ad1ee21144d92a397d1373441e83f905f93ab4c91
- 0x136ee6ad3711621554552351dcb110fd5621a9856786db32ac549c05e7d75e5a
- 0x424f06eb66ab9004757e3b7b4808439206038e2a0faf927e5a51e1c49d16e092
- 0xfb8590aec31cb5dfa7bc104e30aab3ef54c0d7d1bb2d6060d973b9c0bd3b2bd2
- 0x899be38862ab5fe7dd74aacd0fccbe5f941624fa79f27fea66011773e5c5af92
- 0x99af371946a72e5b7319779399678b3ed4e9e5ebee43a19f67c93b3da85af59e
- 0xc76edf7c58295981a8b2d7f51e60517f029cdf9eeea7cb9427318525c1879cf8
- 0x4720135dc0f8960ddf4e33d6d1c6326cf5957dbfcb5082125bda6c5dbe57f8db
- 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
- 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345