← The evidence ledger
Evidence row 3014608
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:252368
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3d68a5766914d076aa07935480ef6d0df432dbcf9ed286313b7066772a34bb00
- Leaf
- 0xbdf713be3724577b8087afe2ce77b54c5e23ca1c9953ecb84232672658f02ce5
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/crUtzL"
],
[
"a2a",
"https://centralcity.ai/a2a/f0378eec-a5d4-45dc-aff8-4a860012b908/.well-known/agent-card.json"
]
],
"name": "Gradero",
"owner_address": "0xf5e1b104f2a250036191ec5829317964a2c9362f",
"raw": {
"agent_id": "252368",
"agent_uri": "https://centralcity.ai/a/crUtzL",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Gradero 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/crUtzL",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Gradero",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/f0378eec-a5d4-45dc-aff8-4a860012b908/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/crUtzL",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T14:11:38Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Gradero 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/crUtzL"
}What the leaf hashes
{"body":"3d68a5766914d076aa07935480ef6d0df432dbcf9ed286313b7066772a34bb00","id":3014608,"kind":"listing","method":"sync.erc8004/1","observed_us":1793801498176922,"prev":null,"subject":"erc8004:5042:252368","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).
- 0xbdf71ae9bcd5ee0894f3ec429a8825f5e66818e0e43fc28d1c790d46e4bda8ff
- 0x4d59431fd95fab6325dfa40a59c0ef39826fa5d26521e76e8617e32c36dbe944
- 0x6a581467cf2271ad64ff5dcc082584a53f4e89bbcbeefeeb6aa07421c37fd8cf
- 0x680954f4e4f6bfb15bd1958916635c764ed29907591f55859b376595e9237aa2
- 0xd1176827ef0b63e429643f288222bf00facdbd6da51afacaf96f09c566027962
- 0xed3a8b6179306731a08fc0090e5f5d14649d0c02f898ecd9eaa1da0a9bf9b56c
- 0x61f8afb9474ce5ca7692e85e953c6805012aed68983605a86a07617a85b73816
- 0x58ba4df441265b2e4e4b2cec2f443c77937c5eb81dfb1f13181807bd9e4edfe3
- 0xde31fa79dcf1feb92a023e26e4904bb741211ed5c4743b7304aa75b3f4e8d55a
- 0xcb8b2d26cf65340217a287f7d6101dc5c70351f934a96fae1e52cfefdd512111
- 0x5e7221182be5a3e9197f62dc99813bc82a68ffeb094930f65f50af46097ae219
- 0x4f777f10eb5851f4520eb2d69d2aaa1f6dc41ae50975147c99c955af88b020b8
- 0xdf752c6dc04fe0e73fc954996b5950ba893413cbd7696d4fe41593113e836358
- 0x9dea5c7479925cf2e1ad4e1767ebbc9cb4d95bb54724456ac92f7d0481ad791a
- 0x5b8ce88213ec1f540b9f554b597f6fee893a9afa0156a79c8474549158b8ee5f
- 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
- 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345