← The evidence ledger
Evidence row 2605413
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:191736
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 783df781aae92edd9d32d9c36bb11d37829e576d69ff105565cd6d88c117b58b
- Leaf
- 0x8575c767d2ecdd38f53fbbac0c7168f32929aa89e1a81a86356d94f28e8d4aef
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/IfBVmJ"
],
[
"a2a",
"https://centralcity.ai/a2a/473c2d82-9a21-41ef-b6cd-3732c448ef14/.well-known/agent-card.json"
]
],
"name": "Biassero",
"owner_address": "0x6c3737f18f83c2e9e863dcc77683c0d2af465690",
"raw": {
"agent_id": "191736",
"agent_uri": "https://centralcity.ai/a/IfBVmJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biassero 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/IfBVmJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biassero",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/473c2d82-9a21-41ef-b6cd-3732c448ef14/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/IfBVmJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T15:43:12Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biassero 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/IfBVmJ"
}What the leaf hashes
{"body":"783df781aae92edd9d32d9c36bb11d37829e576d69ff105565cd6d88c117b58b","id":2605413,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720592636243,"prev":null,"subject":"erc8004:5042:191736","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x8575a454d519a79fc00a9b01d980d7409f8a5f9804057fca5f87c78f709bc4da
- 0xc7d222b81aa74c8843f2c48fbea0190da4040499e73371b267c10a50dfdf9665
- 0xa7b044513bd8bcc53e514c261b81a6e336de7ec1e6a4bbdfefe282dab981bb0d
- 0x625b0dffbb5be763b9ee9ca0dfd1ce5b3eb6629b26d16cb6fdd9c2eb7efa8303
- 0xc771b74407541b3a6b8867610e11b3f40842d78cdf09d6587109d345bfd6dbc4
- 0x0ded0ac776e018b066f90bf83652f7f3c6845367b8343610afad4f5162323c34
- 0x55f0cb182fe1ff01a92a8d3bf149cab3d33926ddefa224e84a0a26e7ad84c6c1
- 0xb094f9f81ecbabf4fe4f7b336787cae139bd20c552cdeeebd80ebe2d127548a9
- 0xed37707be387b46120d74a5e0af1b4f4ef733caa45ef4b339641088bffe3b4d9
- 0x7d5813c1f8f5b2b2d215eab3c5ec91b10c29da3c791b11dc955f8d68f8a74b59
- 0xd37dbda57f52b39f2040fc960342548b09bfcf0bfbb692dbff17cbbca0dba4b8
- 0xaef81b61033fee85d110126aed81fbcb0cbee16e8087bf4d35e2e6fb074eba13
- 0x9fcad7b6a3a72383a675ff1c88984ed98f2e83727da75d3965a28fb3c0515c37
- 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
- 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7