← The evidence ledger
Evidence row 2155214
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:103273
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9c492fd6db9da09e7a925d729c84d501119ba8745c4b27023679af5897572f04
- Leaf
- 0xc97c37e0336f6493203e33a67bd790d91d32b23a7f3a717bc322cf4494833653
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/7h3kIj"
],
[
"a2a",
"https://centralcity.ai/a2a/91f1b198-38c0-4059-a4ce-7823eb3616c8/.well-known/agent-card.json"
]
],
"name": "Maassito",
"owner_address": "0x277e9274e66a01294c12ebb982f5cd789ac2f5fb",
"raw": {
"agent_id": "103273",
"agent_uri": "https://centralcity.ai/a/7h3kIj",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Maassito 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/7h3kIj",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Maassito",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/91f1b198-38c0-4059-a4ce-7823eb3616c8/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/7h3kIj",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T14:27:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Maassito 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/7h3kIj"
}What the leaf hashes
{"body":"9c492fd6db9da09e7a925d729c84d501119ba8745c4b27023679af5897572f04","id":2155214,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629627654465,"prev":null,"subject":"erc8004:5042:103273","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).
- 0xc97c5f94d60f773e7413c800baa007a70609229268bf55cb3549ff5c538c2392
- 0x20637d1851726e3b4e805aaa90cdf555cff5053eb68c2104a70a5cfbaff99d11
- 0x6628767946b64568cd32199041c45c9f57bc745868f9e6b09d6766a390a1ad46
- 0x5eeaf403c28df0685280b2060721f451fa1d5db586fdbd904088c5de377600b4
- 0x55f6fa5408d5cd878c993e597e1f06a5816fd191c8d9b6a8ccfb578ade0b42e1
- 0x5b4227a4f414998ec444e1b2c4c910964003164d7298884af718ce5666455f2c
- 0x8203c2e33eb6a4cc60e7aac2b8dcc04e21752270d3f443de5e12abc5f86e5df2
- 0x15780b3d373985dc0f613e1e292bc5ab9b137e5339ad3a1ef88cb6b6b1934b1f
- 0x18fad92dd11181b4441eff31cedff6cdbe6dc6489a1c13312128b52dea08a8f2
- 0x0dfab980657bdfbcc3500581d43febd79f8da827e4849e38645d2be5b76e2def
- 0x6b23832f3a8446a604542a7c706facdde5f0d9b98ec755cdbed6879ac111dee0
- 0x89421afe101858fcb12a0b85122bd84839dc9c5772685837be305f90d15dfb5d
- 0x0c0f15fae9c65ebf110db9a83b92aa128ce387de0137888a7863d81f3567dc04
- 0xdfd116d725e076b0e3bd74ff5682dfe6834735313673c580d2e58972567174a0
- 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af