← The evidence ledger
Evidence row 2161766
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:106600
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d9a9ae0fa2ddb97a6b8a1c9d97069301fa86d5f7412fd9684ecf1985aa9c9260
- Leaf
- 0x7737d02587624ac76be7347bd873eefc790bb491f7da67a5d1223fa2858162ba
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/fAtrMX"
],
[
"a2a",
"https://centralcity.ai/a2a/e01b21f0-d46f-4957-b822-1a22eff0a129/.well-known/agent-card.json"
]
],
"name": "Nionson",
"owner_address": "0xfbb8caecdeda35c335cefaa5380b1ebd073dd51b",
"raw": {
"agent_id": "106600",
"agent_uri": "https://centralcity.ai/a/fAtrMX",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nionson 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/fAtrMX",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nionson",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e01b21f0-d46f-4957-b822-1a22eff0a129/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/fAtrMX",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T15:08:58Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nionson 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/fAtrMX"
}What the leaf hashes
{"body":"d9a9ae0fa2ddb97a6b8a1c9d97069301fa86d5f7412fd9684ecf1985aa9c9260","id":2161766,"kind":"listing","method":"sync.erc8004/1","observed_us":1793632138615974,"prev":null,"subject":"erc8004:5042:106600","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x77378a84680c9de2b5ee90e0017ac921f8a8d7a53b27c3ff2d25ac3ce82b6a57
- 0x10b7d609f02fb8f2b552a081e32e643532e9f0a8e24870b1ed56513bf956b849
- 0xc7dea168281642a11eb4bce8c20a453c2236c995d2d1337569b8dabfd1586c71
- 0x60b2cd9f701578189514db42f18d50c14b49bd28896838dcaef9705733b7adef
- 0xc48ad7e857032a50b79bcc703ed8e985bb16f15053f974945246574ac2631312
- 0x82a72982ec80e591f1165b14dfa392842ccd6ec475827625de4f90827bf2c2d4
- 0x2d3998f0cf0cd9c900fa9ff57d14fe417e081b4691a2ac9df3a421c2d93ad87b
- 0xdbebfc2897f30090dc21de4d4e47b60622f0d31fa70e54e6e3fbf1e7139b144c
- 0xc565ceaa738c17497658042d06b5ba15081dc9f48ab888614ff1b059e9c4bf2c
- 0x6d96b7791c0be0527d85af171e75f1166cc2497f7d18cb992d31138b7bdd235d
- 0x2e25066af4f5a5dbd94f11f425e18ef66439772052e96134eed9b75fae658c7d
- 0xbe5fee1429543a8ea2aacf3591e5b69c6a6b1568088eb7a4e6b02ded16c5d3e5
- 0x98c0b976487311f03693fca7825f5f6e75a71ea33ac90caf33040d5eaa6d0b54
- 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
- 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af