← The evidence ledger
Evidence row 3041118
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:269847
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bd12a4ea448d90404cb2f0cbad6a6b1cddf26ad4bb72eb8c4f86326e4100d4f9
- Leaf
- 0x712dff1199dd9a4375a3ee4163506206ec677437b759fb2edc1744a80a98715d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/jPA9lz"
],
[
"a2a",
"https://centralcity.ai/a2a/c1014e99-b717-4b58-8d57-4065ef92f5f9/.well-known/agent-card.json"
]
],
"name": "Saumpisto",
"owner_address": "0x2becca411e670fe2f7d0a61f06e79eac9ebb834b",
"raw": {
"agent_id": "269847",
"agent_uri": "https://centralcity.ai/a/jPA9lz",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Saumpisto 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/jPA9lz",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Saumpisto",
"registrations": [
{
"agentId": 269847,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c1014e99-b717-4b58-8d57-4065ef92f5f9/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/jPA9lz",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793813971,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T17:39:41Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Saumpisto 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/jPA9lz"
}What the leaf hashes
{"body":"bd12a4ea448d90404cb2f0cbad6a6b1cddf26ad4bb72eb8c4f86326e4100d4f9","id":3041118,"kind":"listing","method":"sync.erc8004/1","observed_us":1793813981751924,"prev":null,"subject":"erc8004:5042:269847","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).
- 0x712dfef9929ae8fb81165ec49424af9905bff187ce4c672d4d52f92dc7ed23b2
- 0x8da2b951f3a4e6ce04e6ad50d595878c445a913c4a797d3a92e5c048f732a741
- 0x00838573927a6d90f5714a234703793cb479ad6e74a78d2f7e10895372cf7302
- 0x322c80f57cb6d43f75bc56aeda08eb5e420640cce8a64c9c57a04a67c5e28cf4
- 0x8b30fb5251ac31b184de2e53dcfdabb1a88416d046b6ce4ac27f4076e7c794fa
- 0xa605d59434d49191a4bc54241b9c0e9e60d24194acad6f9b4f6fb77c3a89c5de
- 0x819386cf8a6183378710041953289e747dab9b109b9d94566d8a8c8749d5c0b0
- 0x242e1fbb706d03d416e314b55a3471cc11f24e59afa01f2f896e8cdd799008b6
- 0x24a32aad468eb9f81d4953daefd28a30a399e1ed85b82b3962cbcdd2e0b951ee
- 0x32c740b35d483d61a69c3a4d775cbe4979b4ab250c0d9afac7d4bc447c4200a8
- 0xc1c8ae2edd46a0cea01ad352a856f1b415bbacc038752b457a7e16abec64dc33
- 0x1f277af5ce6ceb630ea08fb803189be8ae75402f8b66b628833b24cb495e1f02
- 0x5deb038a6f39a5f7f9b2edd844bdea911ba8d42a4e605cee6c5d76eee36daba6
- 0xdf9a55324b158c76aebda2f3abb5f16823a1f3af8ab75a4b216043f79b074f98
- 0x539d73c83d7aa7f740599809a1eb066b48ddd9e8d1ce14a80cb191f4cf87d3b8
- 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345