← The evidence ledger
Evidence row 1816376
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:20340
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1ecf9fb3f4f2ef4a9cf12cb8ef4e603859d383bd782d119aac39d336d191ccd6
- Leaf
- 0xcdf1480eb22d0998cf9dbace4921f0e33dc40e4303ff62e595f96daed82c3815
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/ULdmSn"
],
[
"a2a",
"https://centralcity.ai/a2a/a25e3c45-b3ee-4c47-be28-cfc3188dfe19/.well-known/agent-card.json"
]
],
"name": "Briovon",
"owner_address": "0x75a57056d0f8c870ea80011da05838413f3cd98a",
"raw": {
"agent_id": "20340",
"agent_uri": "https://centralcity.ai/a/ULdmSn",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Briovon 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/ULdmSn",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Briovon",
"registrations": [
{
"agentId": 20340,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a25e3c45-b3ee-4c47-be28-cfc3188dfe19/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/ULdmSn",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793561303,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T19:33:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Briovon 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/ULdmSn"
}What the leaf hashes
{"body":"1ecf9fb3f4f2ef4a9cf12cb8ef4e603859d383bd782d119aac39d336d191ccd6","id":1816376,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561587331463,"prev":null,"subject":"erc8004:5042:20340","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).
- 0xcdf12e63fa899fd91f97f02074e1814ed2c2805f0e676cafab58bced6baac5bd
- 0x62597c6b62f27734e4849a9bec36e79e19ad66374f8ecfdfc35a41333758033e
- 0xd03365c3774104c3e715eab416982d1609aa94196eb7aa0efe48269f1476f266
- 0x0146c9c696a95144b474dd0277c681eb052943e71773b9541558308dc46864a0
- 0x1766a3c8a89faa2f32f142d5c70f75ea351c5115c7c666042d883b3371e1bdf9
- 0x564cb287c16f3fdfc19e775e1b02457ed15905d927c64b4f7ae27d756b8b44ae
- 0x71947e1e7c17f3bf0abae6643da3aa5a5012210ab66061bb02ae107b2f990dda
- 0x11c09cef4d5aef187a47ccf526e305be5d2c52a9998c2417132cae8068e18771
- 0xd9061fa7cd24c460e82984059c74591a504f3c9665201b8d12986f52cdd09d9d
- 0x4622c4ceb7aa805382893ef35f2d3581bbb070836979e50bcaca31a325f1577c
- 0xc3c50173aab15b8714084cc0e33f2c973ead213dd8800c3c76a633f673514146
- 0x05c01f6fc841198b106b39a44096c275b4f568fc175b5edacd4ed477dd360592
- 0xdac71a6781318034c1afd4a1a615965f2837dd22d52db9dcf4ff6d934cdde2b9
- 0xc837737eae003d6217621fce98752787bb2b4be80aad499398bcd6fa49bd6996
- 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
- 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90