← The evidence ledger
Evidence row 2555083
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:170609
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a9e6ffe8211b738f905376f921e0b8ef68df03082afa2f8b5214c7e732177c8e
- Leaf
- 0x7bc89bfaa42e19fb74a08ae518fa178c86bdd9e2c872491c796c55950f9e32e3
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/dDCQj8"
],
[
"a2a",
"https://centralcity.ai/a2a/4d1555e8-6bdd-40ce-a360-5670038981e0/.well-known/agent-card.json"
]
],
"name": "Noteon",
"owner_address": "0x05e2c1319025d212ad36a83d82cf76a8473cefc1",
"raw": {
"agent_id": "170609",
"agent_uri": "https://centralcity.ai/a/dDCQj8",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Noteon 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/dDCQj8",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Noteon",
"registrations": [
{
"agentId": 170609,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/4d1555e8-6bdd-40ce-a360-5670038981e0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/dDCQj8",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793694952,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T08:40:18Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Noteon 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/dDCQj8"
}What the leaf hashes
{"body":"a9e6ffe8211b738f905376f921e0b8ef68df03082afa2f8b5214c7e732177c8e","id":2555083,"kind":"listing","method":"sync.erc8004/1","observed_us":1793695218491979,"prev":null,"subject":"erc8004:5042:170609","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).
- 0x7bc8759bfe9b8d27e0b93b608d3663e15f3c0aad11c4f792e75dc21f28e0e7a2
- 0x92f343f4de04d075bb37abb3b1f6225c54e93affacd0f77a826434055933ae09
- 0xda135556d30b27b31ca3c5c7e758f813c469c97e03f828571c19fb3be9a60b12
- 0x353f520858be84907b2bf7f81dd88d3986886678793c43023ebfe20b9d2e0b6c
- 0xa53102038e2fc12165a83448d33007f9ea9483f5447952f190ed42d6908ac095
- 0xe667808f2db13c4196a681f5444fd02e2220080b3a68e4b476e7cb16fb2f0ecb
- 0x2c32a3abbc700ee33aae2f0aaabc26ac39c09f25ddb6a6c3805f1d6a4b6ff424
- 0x30cdfa424e67348075e00e361235984337c8a824d6e4c98009fb580c3db4ed2c
- 0xc33f11cbb6ea6f377dc107de479dc0d69483c8a0ebf77397b222b73462292e06
- 0x84fba3e34943fc141416f7999f69769da9eba3b33c22ea4eb635019f1af2a9c2
- 0xc9ef255b22709affc662d123cd1f00874ff97dc566d33174765a8c1d61bffaa1
- 0x06b79813a668927e85c33c3972f33b2fda07e8d0624efdc913d480e83e0f3be3
- 0xb64de2d145ac698ef5d991de5140767a8317e68a92d3cf1c5d78e4f7977a0d21
- 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
- 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7