← The evidence ledger
Evidence row 2115610
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:86286
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- dc774a51ad8f0edf2f96a6874b5efebca15854f642dce48a9743c5125cff79c2
- Leaf
- 0xd039fbd15d6c6a4c2003d3ec0116c2cb4630e987b816e6eec66152cb3996f663
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/xjodwL"
],
[
"a2a",
"https://centralcity.ai/a2a/08415632-5802-4d78-9856-4c20a93465b6/.well-known/agent-card.json"
]
],
"name": "Sumon",
"owner_address": "0x905b78f07d151db22b2cf6a98529da01a8d3a11c",
"raw": {
"agent_id": "86286",
"agent_uri": "https://centralcity.ai/a/xjodwL",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sumon 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/xjodwL",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sumon",
"registrations": [
{
"agentId": 86286,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/08415632-5802-4d78-9856-4c20a93465b6/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/xjodwL",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793616938,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T11:01:00Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sumon 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/xjodwL"
}What the leaf hashes
{"body":"dc774a51ad8f0edf2f96a6874b5efebca15854f642dce48a9743c5125cff79c2","id":2115610,"kind":"listing","method":"sync.erc8004/1","observed_us":1793617260081850,"prev":null,"subject":"erc8004:5042:86286","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).
- 0xd03a0255fca4ba5954ccd96117c2e480d01b0cd5590972b5317ac8a4664caba5
- 0xa231734221007d9b1bb44a6f9fe5cd8ff0bcca4ce5214ac7c176f763650eb2be
- 0xd6f15b88efb2969cbe837db2bdac0f307e66088934601050588237804c257f50
- 0xce8c8e8f7274470af538d51b718ee27c2c66c929c9debbb9cb447808d8878dd2
- 0x27dd0b6cc42743d0924240ef4ce50aa456485f901aba84f8d988144619269931
- 0x5cc3bb774e26ec441a8a4f79fc407f24db4478f9054d76f8ef48b2d8e72291ac
- 0x10920b43071ab483f62dd443ac480c10ba971fbed2ff36587b660ef64dbebe3c
- 0x2feac8f84300cd750e5ea80c1b7f44b842712210b7b19aabfa642e2eab01bcb3
- 0xa825dee5e6c4b00f34075ce8496c46cb34cb7dff9f922b1f27b540387e027a48
- 0x48e5943a257d8cdb52424fc590db738cdfa248202a32e2dba86e228d9e0e4499
- 0xa3e59ea5049f0fb500b94c99db5bf2f100811da0dccd9ed6404f70897aa1e5fd
- 0x958b4a44f39e6f2ea70e91d6ebf20620245d2b968ca9c28f1b19f03aa4f5e55f
- 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
- 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af