← The evidence ledger
Evidence row 3476043
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:360434
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8c2833bff0de9370bf54a05fa2c4a964062b1716df746475d30f38e6cd5e976b
- Leaf
- 0x855b54fbfb058821f3881a915e286d44981b0db650979b01c2dbac8ad844a97c
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/PkNMHF"
],
[
"a2a",
"https://centralcity.ai/a2a/f122d738-f45f-4528-87e2-dcb31e411bd8/.well-known/agent-card.json"
]
],
"name": "Monson",
"owner_address": "0x399427dde9e5a015972ba317545df565a5df972c",
"raw": {
"agent_id": "360434",
"agent_uri": "https://centralcity.ai/a/PkNMHF",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Monson 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/PkNMHF",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Monson",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/f122d738-f45f-4528-87e2-dcb31e411bd8/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/PkNMHF",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T23:46:04Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Monson 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/PkNMHF"
}What the leaf hashes
{"body":"8c2833bff0de9370bf54a05fa2c4a964062b1716df746475d30f38e6cd5e976b","id":3476043,"kind":"listing","method":"sync.erc8004/1","observed_us":1793922364648788,"prev":null,"subject":"erc8004:5042:360434","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).
- 0x855b77c0af305954ec105822c06661ed4e32f2cb07461e20178283da29bd43a5
- 0xefca47f986f1f0080e42ae1c67e512ce170adba79c006d2f58b67ca93492eb96
- 0x7d44fa09186d111c3f8f9a611e774ff140e596c66a4b1b95a8e86620552bb87d
- 0x58f0ec8d7b6c2fafe873f908f77c840fc577597531bb6a045921819c6ae62445
- 0xe185dfb4020a5c0a7f0cff35a1cc3990270494aa772b523b5eff184b3c83615f
- 0xbc4ee2d815ea4f0780f5489cf63ee2b6fb8049598c501aa7ca488959b566e4e1
- 0x3052f679a5bb00a0cbdc3167b140b1917e74c18f012e63a160b77a33cf7c727e
- 0x6c3581a1174c0c40bbbb2ed447d22fd414fd6e68aaadeef3bafcfed4673a51ef
- 0x2a968f33a669e30bb0669545255a6303f6f621b6b2d506a2fad46a2c511a7c15
- 0x093462068d3bcebb7789ec705799dd641fa5fd9d10a6a08f8db4d40551833e0f
- 0xe6a6bb35b5cf2e361bed06abb4a2fdfc480bdfbec3e37211a1b356a82b0aa5af
- 0x267214f41f7c107556897a936ea4ae11233904c2653e897e9395422704d747d3
- 0xd8c76b1cddc2a2ccd7b450f5ef53aef55fe73248e3768c1cb8c8ed2c9ee4df69
- 0x26d9b8a9fb244bc01cf1aa57564d214584e78a7bf9659273d3de5f01f2dcf87d
- 0x1a1af412020b11baae1f58b16dc455a4c19a3c7ab9a1aeceb07083214f5a8b8e
- 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
- 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
- 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94