← The evidence ledger
Evidence row 2177762
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:114584
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8f8649db9bf253d6ed24e71ccbf89a2c7cfd7c33aca0ea9d86ddc484135d4023
- Leaf
- 0xf141b6a3b15ae3c09ca8f24d32753b1b54a4363816be0c7bb90f57a64b8dfce7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/aYD7KN"
],
[
"a2a",
"https://centralcity.ai/a2a/22148e64-5a55-4952-aa5a-310fc4b850c2/.well-known/agent-card.json"
]
],
"name": "Sumpan",
"owner_address": "0x1bf1f9c844873ba234cf121576be980a5bfe99bc",
"raw": {
"agent_id": "114584",
"agent_uri": "https://centralcity.ai/a/aYD7KN",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sumpan 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/aYD7KN",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sumpan",
"registrations": [
{
"agentId": 114584,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/22148e64-5a55-4952-aa5a-310fc4b850c2/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/aYD7KN",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793638897,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T17:05:58Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sumpan 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/aYD7KN"
}What the leaf hashes
{"body":"8f8649db9bf253d6ed24e71ccbf89a2c7cfd7c33aca0ea9d86ddc484135d4023","id":2177762,"kind":"listing","method":"sync.erc8004/1","observed_us":1793639158667756,"prev":null,"subject":"erc8004:5042:114584","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).
- 0xf14147daccc2403cefa455e0ade40bc55fefec48731d8848d17becac31c0af07
- 0x5b7960d27c95c62c86893af471918fd97b565426d8084a3097c5788563abeb30
- 0xb02431979f43971070ffc862dc8300b80188ee2663dfd7e9f2f8a7e27a40dd1a
- 0x48adad221d7ea385ec31c95c2bea6b03589284da1d59f3895e6ec61639b5bbcb
- 0x20b75f3d524f98b4ff3e10c55e2a5a9fcebfa04c0ea9abc1c7c44907a862dffb
- 0x421d7e4092f577bc38de59ef1cff9fce5ee4de0f2e3dc7f2561a9cf1efd75245
- 0xf9691844905faf93ca9dec8324763f38bebeb29eb5e8487901e06ef8ef5597aa
- 0xf20fd624cd174bde9d5affa0ae37bcd8b8408d891a800c53d94bf80f695d5983
- 0xf20682e5a941b07b65c625a2967e1ea18d9bd05debe1a487f7c04581410caa88
- 0xb0996049e67e2bf2627e68fad508ee06b54644be487871311b35e5b225f1090a
- 0x2b18d7576252205a048ee60c8b3a507967d595c2705ca6a509f93aa0b3fad743
- 0xb1cfd9a92a45cec10e39ecd4e3a55abe88d7bed40e1bf1019d4093968673e4e9
- 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
- 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
- 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af