← The evidence ledger
Evidence row 1850213
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:40819
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 08a842abed13b630dde29745227787c6d7557c67f2ac40d5603499243b7310d4
- Leaf
- 0x4033d05879f2db07cca393625847d96f4badbbed01441c959f4586c415ae4f74
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/eMnQtf"
],
[
"a2a",
"https://centralcity.ai/a2a/77930403-e47c-4229-9845-05d62b3f4dc2/.well-known/agent-card.json"
]
],
"name": "Niontisto",
"owner_address": "0x236201afa3f22b4696a4d8d572f05d8bc744eb29",
"raw": {
"agent_id": "40819",
"agent_uri": "https://centralcity.ai/a/eMnQtf",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niontisto 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/eMnQtf",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niontisto",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/77930403-e47c-4229-9845-05d62b3f4dc2/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/eMnQtf",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T00:06:34Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niontisto 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/eMnQtf"
}What the leaf hashes
{"body":"08a842abed13b630dde29745227787c6d7557c67f2ac40d5603499243b7310d4","id":1850213,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577994761804,"prev":null,"subject":"erc8004:5042:40819","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).
- 0x4033f209f2b70dca07de18d62f6c3658de7dab6ac95b09001a2b922f21670e45
- 0x28387edd4096f0c1e6c4521a47939cc6ff7002c7fcee2dd40aaada40655c6154
- 0x2fdb0ec0fa5c208cbf2d0d1ff040a6f2e004ed20b64a0927a40018727e1d6eb8
- 0xe56d0fb1d3255f9d1195d9f0493eeb5c9df70ee850be4e52d3f8249309c2f200
- 0x9ea1be14a1cfdc33d7d9c42f243df70465aab6111661dfdd288af7aafe8bddc2
- 0x973c2e4b9c84090591c0a527e9cefc986f98d485a5b5cdefd11d113c4cb3d7a3
- 0xba19fd434eb088b0e707f78c2df97a81be5d164f7e7a38b678dffdb40f1745e9
- 0x56b5c797b1a2aadc48ea535b584bda08f73abecef2f052fd6117435bce5b9905
- 0xc422e76ebe9b98732127142cf7ab052686af7e5e3e7f4a149b131412b0b2b545
- 0x9b3aeb322f278f3188c4b6b941d08413620f4e894c47343770ff3cda1faf2b2b
- 0x1d34165be86c378fd087e84998f69bd665ac3458f0fa04dd548d25795d5f558f
- 0x68e43cd8c3974680608754c4f2fcde66bfda1af2a2aeb32ec2d69634438483c7
- 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
- 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
- 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af