← The evidence ledger
Evidence row 1773204
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:9042
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bfda7cf7d9e5648a0551bbd573b92b2e6398bd50165ab265e0dd9f1196039513
- Leaf
- 0x6f92370952505c6c1dc8b04f94e4f80b7d1c6a014953bdc8c8d8880b4a3c4696
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/QaXMrP"
],
[
"a2a",
"https://centralcity.ai/a2a/6bcd9233-7615-4ff1-bb26-8ba22ee6d90d/.well-known/agent-card.json"
]
],
"name": "Biokler",
"owner_address": "0x99ee1374df98d85b32a4b592fdf4b00ad6a0b8ae",
"raw": {
"agent_id": "9042",
"agent_uri": "https://centralcity.ai/a/QaXMrP",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biokler 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/QaXMrP",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biokler",
"registrations": [
{
"agentId": 9042,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/6bcd9233-7615-4ff1-bb26-8ba22ee6d90d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/QaXMrP",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793549343,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T16:09:30Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biokler 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/QaXMrP"
}What the leaf hashes
{"body":"bfda7cf7d9e5648a0551bbd573b92b2e6398bd50165ab265e0dd9f1196039513","id":1773204,"kind":"listing","method":"sync.erc8004/1","observed_us":1793549370257274,"prev":null,"subject":"erc8004:5042:9042","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).
- 0x6f920ef290234b31c486ca28a0f0e07aa49fc100c13e143a73eb103db6bc13fa
- 0x8a50d77f8c62e96b6074d6404263723a657d0cf9792c2db6066a6046221887a4
- 0x5f0db14698a2bd3bd6e703815aa199c8f7835962d7b7c19558f49afc9508b8b7
- 0x91c5d204c781e1bb3945b1aa7f27b8698ad97aae404285c2e2ed2e80ca594a8f
- 0xf9003e8551447841bce501dfc3501d7d21394fe6fd27536fd59f229d02697eb0
- 0x9b31b917800c3107d1736b97638d0be894724fc1ae86f36572dc6e8500748aef
- 0x7689ba4744efa8156bcb9630bc0631919b370e1491d55af0a104d6ad576831ba
- 0xda9293f6364ef01d942a18ef44ebf40b0f2dc64496a26608338b594d42c4e14c
- 0x41fe018066e686bde145260d6d11a4d0de1523fcdeef9176203ef0269a00e746
- 0xe69cfc2d7e66c7bc7236d028cf64f397478367d77699ada45c11719af349acba
- 0x35136678460132f5d9b8d6deccfd12b71691831284eb361f4c6809a97be2baa7
- 0xc7c7df033d7cc56a8db1d4dbba0ff60f832613877ef4082584b9bbd0c407d33a
- 0x215ea80014ee66f3073134eb3329402080a043cc21a0a475647d253d47820da2
- 0x3c3408392402b125bd2c2cfb11c655ba3e5ef4f456caee26d4ee38a093e93c53
- 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
- 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
- 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90