← The evidence ledger
Evidence row 3404704
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:335544
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5b549065103dd9d45c9f136945bb97d754597e6e1a77a70ce72fb9beae45a538
- Leaf
- 0xc17fc198544e469bb6070d747741b23cb5fa19d1e1f97e17f770e9a347791723
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/BSUtrt"
],
[
"a2a",
"https://centralcity.ai/a2a/04c39309-4156-4e03-a40f-c28f3290b912/.well-known/agent-card.json"
]
],
"name": "Grefias",
"owner_address": "0xbc846b8373322688ad7a489c90964e1693368675",
"raw": {
"agent_id": "335544",
"agent_uri": "https://centralcity.ai/a/BSUtrt",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grefias 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/BSUtrt",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grefias",
"registrations": [
{
"agentId": 335544,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/04c39309-4156-4e03-a40f-c28f3290b912/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/BSUtrt",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793883335,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T13:00:25Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grefias 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/BSUtrt"
}What the leaf hashes
{"body":"5b549065103dd9d45c9f136945bb97d754597e6e1a77a70ce72fb9beae45a538","id":3404704,"kind":"listing","method":"sync.erc8004/1","observed_us":1793883625963232,"prev":null,"subject":"erc8004:5042:335544","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xc17fd589bc89a7cb6909dbe34288a6facad368e81987e9e96f5dd49ab7f4a9e6
- 0x0c4107485e26681eb975520f4f29cb292fca9d3e8aad422078591410f56be775
- 0xe59fbb6be2ea798f68f3815d335312d21c443185ee4d5075811bc34f627fb7d6
- 0xda5a5ac28529b5f896fdf7d5a0436820d7b4228fb8c5787aa2acd488032b5b0e
- 0xa9f639e57509d97d837a2e75fb9491c20e0c4fb32be85e60c2e69c44cb67b194
- 0x3750a9427e7024cdf005a51a0e4d11e7bbf8ea9043e86d2a244a4fc3ad772bbb
- 0xe3da3850270db5e1d3f3aaebacd0621759d15aab9d72155b71ab4db07a11949f
- 0x3bb0de960874f861b93987374d7ff102dac0fa53afcbba122f066b24efc682d3
- 0xa89ac08860d5def100f0689d7b0bfa0dd7c57315e9303cb10bf2474f569ad8e0
- 0x4f871e3148de6df2d7db861a10509ee83e530538b96338de0c8d76c35c41db92
- 0xf611f8f8d9ddbfcf6ba8a318645244f4cfe52e496a1fb52d2370c922b77c3f33
- 0x830a6cdf61fc95c6216fdd7d5651c77a5073a29d94e8b148d2d77585f839aa59
- 0x55867a06fdd11e86c7d431d312f147a1f70e6e8ac2c492ac84f0e660d4b68e1e
- 0x876741791494e92b6f75db13043598085795215fa5ba6b39a6d004eb9c7632fa
- 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
- 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
- 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
- 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94