← The evidence ledger
Evidence row 2598347
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:189137
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 118d341d6bd4e03a665c237ba725969f2bce90fbf4a2b1f69f531b413dd88a49
- Leaf
- 0xbdc259deabc56d63e72a98ff7479dfb56eec45a2eb6a7d2d577012cf0d4dc2c7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/nEeOXe"
],
[
"a2a",
"https://centralcity.ai/a2a/2d54aa3d-da13-42ed-926e-22449a6d1976/.well-known/agent-card.json"
]
],
"name": "Sempero",
"owner_address": "0x37ca9ed31870d835a80b8db4d29ed56ce156ce01",
"raw": {
"agent_id": "189137",
"agent_uri": "https://centralcity.ai/a/nEeOXe",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sempero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/nEeOXe",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sempero",
"registrations": [
{
"agentId": 189137,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/2d54aa3d-da13-42ed-926e-22449a6d1976/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/nEeOXe",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793717138,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T14:47:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sempero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/nEeOXe"
}What the leaf hashes
{"body":"118d341d6bd4e03a665c237ba725969f2bce90fbf4a2b1f69f531b413dd88a49","id":2598347,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717227760582,"prev":null,"subject":"erc8004:5042:189137","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).
- 0xbdc27feb9a13ca5a1d1e598170df1eac3b65ae8b14d98be6ba607fefc8179790
- 0xcf7ef7ec1b8f5e64e9bbee7de21ae0ee404e7a8122590823615a75016326877c
- 0xd44b83f323bf8e9e25785f4be02ac170a868b47b89f2c3656b6e173eb1d6709b
- 0x1484a220b182682510fdfe33743906d575368ccfd9dff3fc6ef03be59e0187a4
- 0xb95430cda4487653736a3378fdd6ef31030a292a60533678b09a2945a8eab506
- 0x86171c8c1abcc612a4cb01d2a185c1652b62598d6638065b6a5b6e110e8fa7f0
- 0x6d8d0b2372fad6639e32bbd5d47b85b627a8be066fbe3a00acda72fddf38d1a3
- 0xa188c72ec93bf22bc779a7460b478a71772a994c7be6a791fcc83b446babf5ad
- 0x172808605c4b79c11153e6ceb588afdf648af0f18969c3f0f82d04c8e66ed5c8
- 0xd75884f833113ada03820922991a10b7479a374af71555d150394e4d13c87bd0
- 0x2f39e5c072108f0b1b6b10b8cb7c8c422e32bdd8394246c879e5c30a037445f0
- 0x99ab6708c45168394b51cbcb772456a645fb2438299e995dc1d6550804d8cd54
- 0x7e57bf3ad9e8414c054c7472c2f2892726935ecc1f17cf00d0654a401e9650da
- 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
- 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
- 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7