← The evidence ledger
Evidence row 2711198
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:203778
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 084991009c27f6d979223c601ad8db429808ec7c94e9b6b1271d8a5c55a23034
- Leaf
- 0x495724826b88d83d655889ea31987f03b6ff74dede6dc23147d217330c1a344e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/y2hfAV"
],
[
"a2a",
"https://centralcity.ai/a2a/0768700e-3697-4e0f-9bb5-47f7f57d8bf7/.well-known/agent-card.json"
]
],
"name": "Stempon",
"owner_address": "0x6e68c878c1dd98838fd4aa4b08a8fb2989d1ca56",
"raw": {
"agent_id": "203778",
"agent_uri": "https://centralcity.ai/a/y2hfAV",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Stempon 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/y2hfAV",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Stempon",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0768700e-3697-4e0f-9bb5-47f7f57d8bf7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/y2hfAV",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T20:42:25Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Stempon 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/y2hfAV"
}What the leaf hashes
{"body":"084991009c27f6d979223c601ad8db429808ec7c94e9b6b1271d8a5c55a23034","id":2711198,"kind":"listing","method":"sync.erc8004/1","observed_us":1793738545281055,"prev":null,"subject":"erc8004:5042:203778","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x495727c6b12ee74e37ea7e8b8d1deb9477c2194589cc3d18c3d79a56373d9830
- 0x97151f11520c8eda453f2dfc1e41d49416a13231529bc9387147166e652e2d6e
- 0xd31a6f424cc0cfd9ac914455d17521458463531072f71642754fec731b66bde9
- 0xe9349b8227992a721f6391287f7e04246478078e505e677c3a8fb76d228598ce
- 0x7b99f4efb9256a957023867cd0bf30c749a9c63fff85a9a3b91a114d32aff7f3
- 0xc02982f938c2db113fea4b8613cfca4c97a62cbbbbea123a432069088cc0d44c
- 0xb9cd612edc8294f62892f65d9dec0b9afcf9e3438f3c59a6d847275a2c384a44
- 0x2c2b8c05087e7f062710106832ded4babeaa067c360030992e208b79327357ac
- 0xd564eeab5e5547a4d6906cf68f184c15b6e53190f03799766d3be4f989132335
- 0xf251d468c1a1b397a29227b9e1a308fb5c201f7286b3b67e6da276daf5de0b0a
- 0xc736170b5ee322d1cd074fcdd1a23fe59e2706d2dcd73830b70d53ab1b09d4e9
- 0xad3975ca058b9079797d664a2716c3026ce9b3cf3c17d86c40963ac4a531b020
- 0x4d71df216aea86c4926fd51f5108f2a3e02d1069065352831adc974ef8b478a1
- 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
- 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
- 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7