← The evidence ledger
Evidence row 3426706
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:344359
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 168a6481cd59ecd79db3075cbe2402de3d6e261a770a86504ff5a8835951e1fc
- Leaf
- 0xe61f5b3521f26aa3038f0b2975b85fa37b5f666e34ee89857f6c60b447097136
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/CnWbCN"
],
[
"a2a",
"https://centralcity.ai/a2a/2b4fd059-5a80-4fae-8ad9-cf892d3554ec/.well-known/agent-card.json"
]
],
"name": "Masset",
"owner_address": "0x258686a4d91cd2af98edaf78e009479b21d83b68",
"raw": {
"agent_id": "344359",
"agent_uri": "https://centralcity.ai/a/CnWbCN",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Masset 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/CnWbCN",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Masset",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/2b4fd059-5a80-4fae-8ad9-cf892d3554ec/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/CnWbCN",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T16:26:14Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Masset 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/CnWbCN"
}What the leaf hashes
{"body":"168a6481cd59ecd79db3075cbe2402de3d6e261a770a86504ff5a8835951e1fc","id":3426706,"kind":"listing","method":"sync.erc8004/1","observed_us":1793895974259491,"prev":null,"subject":"erc8004:5042:344359","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xe61f7d95823ef3ef76cdc70e029b746e17dc226e83efbba041df73e5ff42a857
- 0x9c33e8c4bfe9e2c3fae76a75be1634303ca2160623e26fb8d73066c446a668a3
- 0x6af4db6fbaf015a9253326fe9eafe085d18dc4f85d75090fd2395ab8c844dd13
- 0x6a79b1f02d9369eaac3498b32342ab5b40902762a215a8e88ee01b1e5f4b0321
- 0x367ce7a41cc0324e4d25bcf8d83502b3b637ce80e2753e0c8e322b3bc73ebe7d
- 0xeacae6afd91acacd3919e2efdcbd2b18f0477c1f7db732ebc2b002cb94ff2080
- 0xc433727aa9f95b9037c234e75ac13b2869e3f82e6c7c9dbc7bf676d5011b89fc
- 0xe4c82e43b358884bdc6ebcf7420c0c618928983e481eb2bdf2f606c537347833
- 0xc32a2845839b7573d6d7abed2dbccc30c8793792f793cf08f9a64a977702c115
- 0x8b470d8032f2cc3a804bdfe74186ded6b2e5e084ffecd33520d80a38f36db207
- 0xcc05afdd8a1b5f4261c2ceb435dd7254629cc1cf9358ff778ece8edbea72bff4
- 0xbf9f707e86df9ba911f5a768b78d2fcc1a6cf8d04baf876b56e5f01ac9d3980d
- 0xcc057bccb3ff7dfdd207a295697da838a4297a36bd5341cedcac4a9e7bf8f7b8
- 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
- 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
- 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
- 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94