← The evidence ledger
Evidence row 1757342
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:3584
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- da9b44fdefec4318d6deb04e440d0c34275af9c7df097e64a6a107f9d3254c0d
- Leaf
- 0xb74c10d660f2bc0430575904f2c1de9604565dd9b74d3dcc9ae777daca12f6c8
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/BHI42Q"
],
[
"a2a",
"https://centralcity.ai/a2a/b03bd31a-c539-4152-b704-ac3e34ca1611/.well-known/agent-card.json"
]
],
"name": "Briosus",
"owner_address": "0x4d674ad961fb2b569ce983af568cc3c0a9827eca",
"raw": {
"agent_id": "3584",
"agent_uri": "https://centralcity.ai/a/BHI42Q",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Briosus 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/BHI42Q",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Briosus",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b03bd31a-c539-4152-b704-ac3e34ca1611/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/BHI42Q",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T10:09:00Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Briosus 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/BHI42Q"
}What the leaf hashes
{"body":"da9b44fdefec4318d6deb04e440d0c34275af9c7df097e64a6a107f9d3254c0d","id":1757342,"kind":"listing","method":"sync.erc8004/1","observed_us":1793527740511468,"prev":null,"subject":"erc8004:5042:3584","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).
- 0xb74c1fd11d7d9009bff469a345a1486eb2c5cdfd7dcfe6227af4b0aa4d6bb05a
- 0xb420a16f96f406060fd381762cbc2751742fb21fa12e6fbafa56bf46eb8fa547
- 0xaa103b9abab5749fdc2b54985055c2ecd1fb939986cd7d872e7734d5f529c17e
- 0x3b66b149909e19a11d16e63c04c3fba6c03955ac03d9c4b3c120ba83231d988c
- 0x10abd8c3dfb147085f56c689ba33f183260994141c8fb28cf34790b44eba1547
- 0x9408226f8459c766592f2a5d61213a0723d42226969d1c5ea1fac2229c66db35
- 0xd6735f4b69f69c68d2d20519b7243536ecf5f1380ee001e546699be9cf85de3a
- 0x91e7850bd75ee9069bd83161c914ff642ec527323684d47b1e90974c27dcecd9
- 0x03b94a1d230bd81c3e5a3aa8ce0cdfd8edec7aa4a6bde16df254edc36ecc8736
- 0x63a481a49f9128ebd5f9ee450d24ac607a351599983199147f2b090fda10d030
- 0x02e783015037749a4bb4053ab1c9ca1dbefff8f07dc9bdb57eacd42c8f7c3438
- 0x08435cad5871c85fafbdc184b887ae7d8fa79b7851ddef3135e53565dbf4c927
- 0x76bd6c29668276bc9bcae1a73c60a4d02ab25f5e47f437d7c2c27bab58a536a3
- 0xc4208f09c5a97556dbf0e04ca82216f9056e3cf547ebb46cc61036bfd76910cb
- 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
- 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90