← The evidence ledger
Evidence row 1785364
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:17549
- Recorded
- Previous row
- #1783552
- Body SHA-256
- 92b9f99710d4993f3648cbfaafe23e1d9c96868379a752b6535d15a600e8cee3
- Leaf
- 0xc02f88c3f3ba9ae0ba2aeb7638ecbd8c61256e0e6bb1cc9fd83304179e121688
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/97QX4f"
],
[
"a2a",
"https://centralcity.ai/a2a/c51ea3e8-c686-4e0d-bb99-f5bbe0fb98b8/.well-known/agent-card.json"
]
],
"name": "Bifer",
"owner_address": "0x2cb587a4a334758c71ece8ad333888ba9fc3977a",
"raw": {
"agent_id": "17549",
"agent_uri": "https://centralcity.ai/a/97QX4f",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Bifer 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/97QX4f",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Bifer",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c51ea3e8-c686-4e0d-bb99-f5bbe0fb98b8/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/97QX4f",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T18:22:48Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Bifer 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/97QX4f"
}What the leaf hashes
{"body":"92b9f99710d4993f3648cbfaafe23e1d9c96868379a752b6535d15a600e8cee3","id":1785364,"kind":"listing","method":"sync.erc8004/1","observed_us":1793557368928071,"prev":1783552,"subject":"erc8004:5042:17549","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xc02f969fa52e3ef91eb2130f5c77b0e6e8086c2b061b5c67dff6e485dc8583ea
- 0xd2de72c5dfbac46300fb89e988696920b0e1a9b1b4df140aed109a77d7b57bb0
- 0x64733180e6b28c63f6d1fe44bf4ed266d1de18619d94718cadc82751fe0c62fa
- 0xa2b1f58f58b450d75084dce0d9005be11bc40624e0ef9dc51f466c661e1befe9
- 0x40d7cfa50eb2e72af75f4573527194613086063f2fde0780ea58107ec68ea93d
- 0x326ab763cc6e34ddd778fd6dca9cb2b275a30a374a2732493d41f23a8ac2d809
- 0xfd1b0714cb1c605e0b42c5ec939bf00304f2c20bd614915a174fee70e783d381
- 0xc792bc329ea5058498f8a3940a42b6488fec55ecb7a307059973117cfb5acd81
- 0x443d298cf1c3938256bdb757611572da6dc1480b33ea6fa27a99c568f4597588
- 0xf8e1c7e0268dbe6f2d300cd9a29fc3447636dd2054f91c8bbac86e8acb91f9ba
- 0xc53650545f91eb2ab7e91f46664ba1b751a1c0926985877edc3749ea0c79a803
- 0x9b5cd4fa96d6d0487b926b9322bd8aa013529868f6e0eb6ee77b66e4c965e7ba
- 0xefe564ec44d50e51cc27963590ca317b9c3510aaf30351f2e937c01c07c486de
- 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
- 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
- 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90