← The evidence ledger
Evidence row 3375644
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:323935
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d89e9dce6865f8c9fad6ffee52069d883fefc088811678b544263ad4e6e095e8
- Leaf
- 0xc76c19c606b858e48e04cbde712f6bc024ece8a9daf874df9f42f08bd438c07a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/EfkNGJ"
],
[
"a2a",
"https://centralcity.ai/a2a/d7c0fc51-4d69-4fc5-bc81-5aa555c5a609/.well-known/agent-card.json"
]
],
"name": "Breifero",
"owner_address": "0xa300ba97b430616e1d593d9936e3e6c02fdcb3d4",
"raw": {
"agent_id": "323935",
"agent_uri": "https://centralcity.ai/a/EfkNGJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Breifero 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/EfkNGJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Breifero",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d7c0fc51-4d69-4fc5-bc81-5aa555c5a609/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/EfkNGJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T08:14:06Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Breifero 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/EfkNGJ"
}What the leaf hashes
{"body":"d89e9dce6865f8c9fad6ffee52069d883fefc088811678b544263ad4e6e095e8","id":3375644,"kind":"listing","method":"sync.erc8004/1","observed_us":1793866446999977,"prev":null,"subject":"erc8004:5042:323935","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xc76bb3b0fa4641a831049aaaf6c67ff49f437ecaff751287c148b6ada2cd2bdc
- 0x9d201b01aef39580665e2e188a66c17a4747e363d839ec9cf9ad5f70ea1e8d1d
- 0x7872f7d155076ac67b83ac87b7efb88d959fb2e5877d3b51d1de13092257d51c
- 0x133f6597da42ab1f3310b405b005901e491fa40ff1036edd675865e3abf1fc36
- 0x22348e6199a5a1303001dbb0ad560e6030481390bc65f90cc9f6eda27ce3854b
- 0x08173cf45a73fea2d99747120bc8d78e91631de6044d310cfbb78d928978639b
- 0x2c4d83f043a7e6bcf93bbd747090b1859ac08996538d612d6a5f08bba9181a19
- 0xadf91d9d4d4331e1e3b8dfb1980351b61c9ac28ec191633fa9bed5b879db1f5c
- 0x1fcd2f451981d31007c595c9e17d96c0e5d731e85b658991ccae6666b1520f3c
- 0xb88da1538726923389af70c0d4ba7f9d3cccc6984698fc534d752d2a12b146a2
- 0x4be0a75645f7695c218a35582646900dd635a78f8ca4a1792be07714b7b6e93c
- 0x5455fe179b00678a3c923e94f91befe833fad2477073af48a14ff3d5fe7a2499
- 0x5f2d84108e979c1f040386914884f9213539c40ee93654c2c2c044799fb97304
- 0xa0dd9de5227bcccb051dd789b1b0b367de502cd968f4eeb15c7237fe5ab59210
- 0xa4e56d82ec36b49551d49bd66018a63f06e5a1bf1f57267e4e574643bc111b3a
- 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
- 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
- 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94