← The evidence ledger
Evidence row 2549561
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:167910
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- aac3085602a8c8ea99d2a341261b8a26e05d9c76aec12d3bbb075188552715f6
- Leaf
- 0x4601acb2ccb956b286a9a2fc1896cfc8508e8f8aa75f5fc2c545eb5c021f4d5e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/hgWk1o"
],
[
"a2a",
"https://centralcity.ai/a2a/09570058-36e4-483a-b772-858b6051fca7/.well-known/agent-card.json"
]
],
"name": "Grampel",
"owner_address": "0xaa880cb6547f7876d88e3d02b1d40f3fc2022b24",
"raw": {
"agent_id": "167910",
"agent_uri": "https://centralcity.ai/a/hgWk1o",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grampel 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/hgWk1o",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grampel",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/09570058-36e4-483a-b772-858b6051fca7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/hgWk1o",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T07:44:04Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grampel 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/hgWk1o"
}What the leaf hashes
{"body":"aac3085602a8c8ea99d2a341261b8a26e05d9c76aec12d3bbb075188552715f6","id":2549561,"kind":"listing","method":"sync.erc8004/1","observed_us":1793691844735272,"prev":null,"subject":"erc8004:5042:167910","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).
- 0x460194cae447b866451e1b6eceaff415c1a6dc1ca5d585ff1b9ce38cfba61b11
- 0xbba5f5c2aad31666705bdb5d1659c9dcb7be12ab9e0d70601e666e6af4ee3f2a
- 0x8e4e84ae1d4b1cd3d404cf97b7fe84c2f307989928fc0b864a97aae5b1ad887c
- 0x282951bf6b41568707cc07421b7e64b5759d16f3a174a0498db55dabc341392f
- 0x214153b66eb56273de42920c3dbd6fbb03f2394286efa8eb4a8c41991eb82888
- 0xf23220e8bf86a3702bd85cd2878836e658cd37cb36da2f3f116efb6712cdeaab
- 0x267f6ce154f547b49bcbaa3c5b7fe8b2e8137fa4e9d540f7599854f19f6dcc6b
- 0x58f6dbef6455949794b0a0739c0ae92f520769c1ced55551ebd281ece02c974c
- 0x643239a6bb76aafb4f1c6707240574857fb5310b7915bbe725c6490dcf6071d6
- 0xe5300d88293076e16b215969cabe8ea9501e11b7dd3249450adb431c46712896
- 0x3ca2a81f82565a63efc2164fe9635e81618d143df929cd65d52e95e1a59c3010
- 0xe55566f2b7e45bb116b387d6f5556331a34ace81b106c287573b4bfa6cab1a72
- 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
- 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
- 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
- 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7