← The evidence ledger
Evidence row 2300336
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:141391
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7cfe822147f7c8016631a86387f85d683ec9de6dc7c3b2fbe03e36495a5b9dd5
- Leaf
- 0xf9cc0d30540753c83d2e8e9ab3f93366eee1347cb5666facb02ce8a687a31750
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/njjoe1"
],
[
"a2a",
"https://centralcity.ai/a2a/563e36d4-c1fa-4680-b02b-150a5a4e700c/.well-known/agent-card.json"
]
],
"name": "Tostano",
"owner_address": "0xcab1650c5a51eff507859dae5ba5984abf4fb707",
"raw": {
"agent_id": "141391",
"agent_uri": "https://centralcity.ai/a/njjoe1",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Tostano 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/njjoe1",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Tostano",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/563e36d4-c1fa-4680-b02b-150a5a4e700c/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/njjoe1",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T23:22:27Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Tostano 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/njjoe1"
}What the leaf hashes
{"body":"7cfe822147f7c8016631a86387f85d683ec9de6dc7c3b2fbe03e36495a5b9dd5","id":2300336,"kind":"listing","method":"sync.erc8004/1","observed_us":1793661747874352,"prev":null,"subject":"erc8004:5042:141391","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).
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- 0xda8e13ee2fc646582f25a2b682bee443279804815cf3e1ded16d5f3300c3dabb
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- 0xe0682d11ec64a665997888b3c87b7654eac34b0b2b9f232bc66f745487471320
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- 0xfea7574ec60f475e652daec0e1e276065664b34779fb7d45aed93f03f922f668
- 0x89a7b363610c665a6d371ca58d69c8f4bfe13c5c1cb1ef833fc373cf504e2e58
- 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
- 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
- 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
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- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af