← The evidence ledger
Evidence row 3038882
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:268336
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9775aae073df65d84681b1c17efb202572fbee659d709230b4ed62fa81e4fa60
- Leaf
- 0x9ad169c387d5e00d2fa713b2221e3ce8f62b0268241684ca07da46efea86c08e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/dEoScC"
],
[
"a2a",
"https://centralcity.ai/a2a/e75e45ee-648a-498f-8073-ef2d04290be6/.well-known/agent-card.json"
]
],
"name": "Biantino",
"owner_address": "0x91146092a37e351ee8faf07c1d83499482b8b9e9",
"raw": {
"agent_id": "268336",
"agent_uri": "https://centralcity.ai/a/dEoScC",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biantino 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/dEoScC",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biantino",
"registrations": [
{
"agentId": 268336,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e75e45ee-648a-498f-8073-ef2d04290be6/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/dEoScC",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793812780,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T17:21:17Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biantino 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/dEoScC"
}What the leaf hashes
{"body":"9775aae073df65d84681b1c17efb202572fbee659d709230b4ed62fa81e4fa60","id":3038882,"kind":"listing","method":"sync.erc8004/1","observed_us":1793812877263172,"prev":null,"subject":"erc8004:5042:268336","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x9ad14d01ef01253c59eb89c17c1d39d8ca618380fffee33a75af004efe5fc302
- 0xe9b4cb7c6472b13db5732a929af3334a0f3f5aa40f0d3de63860b53fe12c313a
- 0x443a1851edee2cafaaf3b44afe2929da174f0841f9954bb51b9d150581ec1df0
- 0x7e4a4e9762f70736924830215389354636e12919ec6a46c6348f04c8abc41668
- 0xd2900fc0b39a47323d8e75e4d7f2c3ca98a250b7c8516de55144213c219868bd
- 0x332a4e30586dc64c07524a3846213de23bbfbfe61b6eabf5ede3a65abf408344
- 0x99b6dba259a8ac79091518ed56aa70f7aca2d52c9b58987303cfe95c0271185a
- 0xc3646d0778a509cfdf1138901120fd64a4205ef2d712840216af28a174b7d30e
- 0xe15c7f927635e16fd9cc68db2af96a0b53381fb3e77716614fc5fceef5feb546
- 0x774726db31f2e372706eb85629a5833e7612e72f4caa3ab311f344f895ff015f
- 0x5f697410f0db2f3ab2928280df4bca092aa79df641e7d044e4ad6e1064f57950
- 0x0659f7cbd6ca83c0c846f2c84b0a8beab8b85dfd3b16852be92ca38a93f4be57
- 0xcd20ee70d1b8a44ac9f5d5208bee6f35b7847f1d0908e160fcd5305c4e99a7a3
- 0x989f4c924746011551de474bbf1291972687ddbb952d10e6d81e820171bba424
- 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
- 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345