← The evidence ledger
Evidence row 3018276
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:254502
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9c58f52dd4e20660ba5873613643e93fefcb35575bb013f0e939cfda8ef84a61
- Leaf
- 0x7743ee9110230aee5fa9b85bc6c624b880e76ff3ebd0a4f2ee19e39b8c160568
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/yYpekO"
],
[
"a2a",
"https://centralcity.ai/a2a/b4b3301c-ee1b-461a-8483-e128ff18fbba/.well-known/agent-card.json"
]
],
"name": "Saumisto",
"owner_address": "0xfb1c75a622494ca495f00bc3bc6eb5f2ebaf4054",
"raw": {
"agent_id": "254502",
"agent_uri": "https://centralcity.ai/a/yYpekO",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Saumisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/yYpekO",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Saumisto",
"registrations": [
{
"agentId": 254502,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b4b3301c-ee1b-461a-8483-e128ff18fbba/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/yYpekO",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793803505,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T14:46:31Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Saumisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/yYpekO"
}What the leaf hashes
{"body":"9c58f52dd4e20660ba5873613643e93fefcb35575bb013f0e939cfda8ef84a61","id":3018276,"kind":"listing","method":"sync.erc8004/1","observed_us":1793803591343813,"prev":null,"subject":"erc8004:5042:254502","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x7743ec89a27bae77269471c1f06a30a7cc3a68f137986f811d2d47eabb828dd1
- 0x07257ea12505b3a92448afd50e6aa4e0a5ce32b85298506a533b3625ffacfee9
- 0xfc6757862898f5b63991dbf8c14dd5bdd658a2d1ed5845a8e99b3c10369655a3
- 0xe71b298c2f9ffab074aaa9be59a9165399da71c6dd72be65bfcdf15758ba8187
- 0x5d7870f39a54306e34ad60856fa7839164c82deadfd4e9c84b233fd8d99a80b4
- 0x645e7537cc9da63b1d584de99fc192c54f478ccba841c92691923c06c6cc375d
- 0x5339827f0a3906858287a10e18ca60f3cf98b1535631f0eedd5b40525050fcd9
- 0xb520f54cb4cd10e00d8e18a884241cbc6ea0916523226b641ef9550f5d72eb75
- 0x697bec48453e261e0f651e688236f051881e9222f5f79bb3eb42646a5afe8895
- 0xf289eb4c3ab36424b58332a7514cf8bab166875a6a3e437066913728e6de4e62
- 0x9ac10cfba4d8d21f94bea163e63938e5bb393170d51b32d8468f5d806dde53eb
- 0xd72fc31c039c3c83463cb79df3de1d9efdaeaad2839d8f28f8eadd37690e15b6
- 0x4076fd0e22941ea1a02096c37e5544abf43e324a865010790b7cad4c8fd38e2b
- 0x672a92bb1aadcb2fdc7b61be035def098029a867a56d638ccf038b9eb9fadf28
- 0xea9faa12314fce7083bb3fcd444e483bf4b2595fe0fce49bb508693c72ee2193
- 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345