← The evidence ledger
Evidence row 1780352
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:15131
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c2068710ec8be41125b97288d34aad82f1b6c6e4467e3172fe2dd310028c80e0
- Leaf
- 0x81c6faa3dee77dd280807e0e6f53d435915ac458f1869a32dfc587277d721a90
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Er5frm"
],
[
"a2a",
"https://centralcity.ai/a2a/b6fffe6f-8f31-457c-b27f-ec21737b9637/.well-known/agent-card.json"
]
],
"name": "Sumpus",
"owner_address": "0xcf5666e58c6ebba3a4e58bc27a5f5a8bf4479080",
"raw": {
"agent_id": "15131",
"agent_uri": "https://centralcity.ai/a/Er5frm",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sumpus 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/Er5frm",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sumpus",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b6fffe6f-8f31-457c-b27f-ec21737b9637/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Er5frm",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T17:39:39Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sumpus 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/Er5frm"
}What the leaf hashes
{"body":"c2068710ec8be41125b97288d34aad82f1b6c6e4467e3172fe2dd310028c80e0","id":1780352,"kind":"listing","method":"sync.erc8004/1","observed_us":1793554779564763,"prev":null,"subject":"erc8004:5042:15131","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x81c6f2d091c2652fe3774cf7ba3073a76b25c006bfe1000fa2c74256c93142ad
- 0xdeca8a5a38281fa73bd8fb618c884b85feefc8c9c99b1cc832307b240706e4be
- 0x649f67432cc51d4548cbfaf37e0c221c6f5cc538b2391cdada9acd0c116226e7
- 0x5f106ea09c5e5ffa8427ff843c66c4823758bf68dd63ead3998a6d91968af31a
- 0x868e9699b5750a975b6edad02514e8a912b55bd05c607a17960f6c1b10ef2d66
- 0x9067f89df343270957a11b3b88ed56fc03f861e064c320c113d2621ed13a551f
- 0x270137a04146d3c570deb85a4d1c043ea916653ac73dbf467163c60c70af0c5e
- 0x91a7f489019e75b3342bd5574fcc88d8febfe119e0e49531e1aec5d08039ea19
- 0x9e2095d95f4c78d4b73b261da2995b21615336ce2a32acdd61c9015df45af0ab
- 0x8bc67173ee97df914de68b9702bf48b01055c1b92b011b4ae101266fc459c68b
- 0xb4766244e5ea92a8fe7428885f7850bb1c2ee48ccfe3c0a5eac6363fd5a4aa27
- 0xf1bbcf6a80b03ce0bcc652c9c358e273a08605d806c2668665f7c7b1411ac055
- 0x00e98613e718e0a689d577344d6db5596ac046beed8ae3ddd822ec8ac9c9cfdc
- 0x19ce574eee56ae085b2ab0004d191db3debc9d29cba2d71de21a8710ca8151ed
- 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
- 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
- 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90