← The evidence ledger
Evidence row 2603624
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:190774
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e866e89607c0b66f728a8d8dc504305571a8a729af1bf03efb82e50bb44b9e7d
- Leaf
- 0xe77fe97ce3b25d5edb3e71d9bccbfc372cc742222cdac4067daf53ea9a1766ee
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/vBIb0J"
],
[
"a2a",
"https://centralcity.ai/a2a/c021867d-63c6-41f5-8349-8654dec24d3b/.well-known/agent-card.json"
]
],
"name": "Kostert",
"owner_address": "0xe25fa8ffacb7319eacce0a12c5d66260956d9b13",
"raw": {
"agent_id": "190774",
"agent_uri": "https://centralcity.ai/a/vBIb0J",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Kostert 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/vBIb0J",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Kostert",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c021867d-63c6-41f5-8349-8654dec24d3b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/vBIb0J",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T15:20:59Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Kostert 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/vBIb0J"
}What the leaf hashes
{"body":"e866e89607c0b66f728a8d8dc504305571a8a729af1bf03efb82e50bb44b9e7d","id":2603624,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719259391620,"prev":null,"subject":"erc8004:5042:190774","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).
- 0xe77fe6bbf67956836ea99c0d73448ef3fdece9143faf835a4512a50a3cbb5303
- 0xc9313b3c7f855abbf5e2c2a503efc50fa3b15b6f4542d53588dce722c3a245b9
- 0x33eb775dc7d671d3d5c092304500cb3f33ed44f83eae12ec5f30a595d92dd2f5
- 0x68e505389264ab9c9b08586b4123bbcca45512e9522c9fe45d41ec393dbc8920
- 0xb95940401f24a15f55adc3b1388697a89d0272f0a0d6107c87840244ac3dd687
- 0xc3f1e9d5a37e4f64273cfb9bf81cf6870915757e785ecdd432083d98635cd591
- 0x4ffb717ff62e15eabf1b67f84f1821292979a4fd2e8abffe845036a373855029
- 0xc12ac50a3261c9f0d943d81fa93ae48f6e9adcba65071d1a70cdc160a2977ed9
- 0x7eb90788fd0b827717140ee91f12e73fbce487023801e57f592bd5a4ec26bfbe
- 0x3efdf9700c6a150540c05c82bacc45ec841d4f60073966ea876bad97efefb4e4
- 0x16a329ee9150924d96868ec831e09b814e75ce883eae95b89482af5a4b013b4c
- 0x1366fb16374cd636e0fbc97067371409338360333931a86273f1fb1d2d255974
- 0xbcb7e33710288371b8a8f9598748fadd8f5ccf7e279c079db0a58ce353bf38ed
- 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
- 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
- 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7