← The evidence ledger
Evidence row 3061252
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:283987
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b2b60687ed38eadf18535cdea3bff6e93010ce6ddfb32bbc2c8995faf6eaa9c6
- Leaf
- 0x568afbe8e46ea83aaac5739aae81305beaaca60434a4fac8a14f3ddc9b6b1625
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/qsPB18"
],
[
"a2a",
"https://centralcity.ai/a2a/7f2623bc-fe9f-429b-9878-74103776ddc0/.well-known/agent-card.json"
]
],
"name": "Grumpisto",
"owner_address": "0x42d0ca8dc1fb5b7e3e83c9157f077522b19bf7c4",
"raw": {
"agent_id": "283987",
"agent_uri": "https://centralcity.ai/a/qsPB18",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grumpisto 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/qsPB18",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grumpisto",
"registrations": [
{
"agentId": 283987,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/7f2623bc-fe9f-429b-9878-74103776ddc0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/qsPB18",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793821398,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T19:44:54Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grumpisto 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/qsPB18"
}What the leaf hashes
{"body":"b2b60687ed38eadf18535cdea3bff6e93010ce6ddfb32bbc2c8995faf6eaa9c6","id":3061252,"kind":"listing","method":"sync.erc8004/1","observed_us":1793821494388013,"prev":null,"subject":"erc8004:5042:283987","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).
- 0x568aaf7ca16e74bb799139db9ed16314555e26a325e8c70050dd7e9a52746d81
- 0x8e0ee945ef24f809abb3ba244040849d39130e81de27282f10e28ede72be7336
- 0x0c3facfae5d570a16d7bc5de008d248597ae3e32c062db07b168140424b05e8a
- 0x8daae8645275d79d6d894ae9713187173df0db2ed006c20a4555b74c7a26186e
- 0x231f8a5201bb9beb8f5e02351865187efdd6ff673577d3d35620803e15d23834
- 0xf881d96a610a3c702c85b1e6b7fc31d0369e7af65d3eb641e0f9671b2e36696a
- 0x53bbcfd750195d43c84be958227cd356f4ca8cba59dc535093f8b2f8b317c71d
- 0x0ed9ad7b3a6fe2bd99958a4507ca7204d317509b5989606755781d707e7134ef
- 0x7ce05f6a6fac4578e60a1bc730a67a56732004796a38b7c731abbe889cd8f60b
- 0x26d552a992cd79e3743e4c32c001dbe3ad3c4ad1323f47b452a52131d064eaae
- 0x95223b995384a5c2b655536ef1fe7c2c2aa5e4b8854b3281f457b488ba2e70a8
- 0x945fe9487995ba90c82134d19e760f56c5b24bc01d33b378e0e0c5fb0f54498d
- 0xa2e5674fcc10c964861fbb98d1f682c2e24346c9f9f7f8e545244f42f75207a7
- 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
- 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
- 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345