← The evidence ledger
Evidence row 2602484
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:190207
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1761379595044e1ea0c3a366621343f9087de84fd3c5647ae9ac971daccbaa93
- Leaf
- 0x9a5784d0e3afe620d22d0faf84bc3f63864f173da0c010b4031569a0cdfb5174
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/3r5SKc"
],
[
"a2a",
"https://centralcity.ai/a2a/a9cedf17-f010-42c3-b37c-96b0b28c4200/.well-known/agent-card.json"
]
],
"name": "Viantik",
"owner_address": "0x09d58fd315797d8e2f1b19c206f7e2e933373ecf",
"raw": {
"agent_id": "190207",
"agent_uri": "https://centralcity.ai/a/3r5SKc",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Viantik 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/3r5SKc",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Viantik",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a9cedf17-f010-42c3-b37c-96b0b28c4200/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/3r5SKc",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T15:09:39Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Viantik 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/3r5SKc"
}What the leaf hashes
{"body":"1761379595044e1ea0c3a366621343f9087de84fd3c5647ae9ac971daccbaa93","id":2602484,"kind":"listing","method":"sync.erc8004/1","observed_us":1793718579497615,"prev":null,"subject":"erc8004:5042:190207","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).
- 0x9a57a3455b066ad5979b3736dd873b19434c35198193d5e96663bbbb859c0211
- 0xb439fa67ee55fe473e590c43139f4b7461220c0c2afa380620c58a5c512401cd
- 0x69cbd56a0cadd82e92b7add8badcbc4737a1f83b0689b94a971d19cd387d4079
- 0x6e3352c3565d6ed4894f77bf480adca0d4c9d35496dc67c16aff8d21954c206c
- 0xb0462f111eebc09a740f26d2b35fb0e700c3cfed5f842ae632e9b245953dbdcf
- 0x4b470e9f79b1a5ce3cfaa6f94a54a9485bde28f08ea92be4dae16648a4061143
- 0x5cb246ab157800536cbf6a7a5778f06aa4f281e6786d63254a4c7ef2c463b141
- 0x4f97b32a4645b25ba0619e3f8c9bfc6def2c1e784591ba13d810f978d8cce506
- 0xff935307e9d45bfe85643a73a7f66ee3afed841cc4acfa321554ff68f56c854e
- 0xad099fbda1960444c7c7a284b22562c2605445033916dfe21b8263a1abea1b91
- 0xe201d79f14c2a94a995ae86c2953ada855a743d25a43aeb9df2be32f56ab3b4f
- 0x01a39cb28b808d85971fcc74d2372f11a8f09a2d041f514d0f30ae5795e97342
- 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
- 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
- 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
- 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7