← The evidence ledger
Evidence row 1779624
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:14462
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- efac4e6e256cc83b5492f077cf576c4851a7e29dc4072f77b9b167a2b209a200
- Leaf
- 0x09b6de930eb8de0b39fb5a635198bfc90987cb15dd5f237e6a6587b4f077ea00
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UMh6ob"
],
[
"a2a",
"https://centralcity.ai/a2a/293fe8d4-8748-4abc-b09e-40db9cec8070/.well-known/agent-card.json"
]
],
"name": "Grampel",
"owner_address": "0x259630205fc0c12498007907d505a838d87835d5",
"raw": {
"agent_id": "14462",
"agent_uri": "https://centralcity.ai/a/UMh6ob",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grampel 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/UMh6ob",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grampel",
"registrations": [
{
"agentId": 14462,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/293fe8d4-8748-4abc-b09e-40db9cec8070/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UMh6ob",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793554243,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T17:33:59Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grampel 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/UMh6ob"
}What the leaf hashes
{"body":"efac4e6e256cc83b5492f077cf576c4851a7e29dc4072f77b9b167a2b209a200","id":1779624,"kind":"listing","method":"sync.erc8004/1","observed_us":1793554439803808,"prev":null,"subject":"erc8004:5042:14462","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).
- 0x09b6638b10f1ce11c0414f2ec588bb741c06999aeed3f5071b77b4e27cea08b3
- 0x05f5131b702e5337419ec0c9b80e0ec8f1f411d662c18196cb58508d4b3200b1
- 0x7c88f7921e892256201dc876cd3026c342eee40d11467a69ea5ffa340ba7bb3e
- 0x8c53a52b9886b1fc1ac093c21c3ece9304b784c5407db680d4903fa866ab6903
- 0xbba66fffdfd4743f5d7971a1a0f5c7b5502ee1ff255664d98538950a4004b658
- 0x371264ba1af4bb2a56564bb6e3463946ecfa0e294773dee10bac1a3b6056b46c
- 0x725d9a5c920db7c1650cd80e60256ddcedbf2ab0f30d4aff92c490445736bf6f
- 0x7bb362dd2e65cfe5497e2d08cde1482c679a21d94024bb8c5dbfaac371bc59df
- 0xe931335a3159d2d84644e86539ce71b231e2a491a4e2e0b54ba0e992b6188439
- 0x9d89866147e9e6c2e4c061d733a244e06312990b974e25cb25d08aa02fe7041b
- 0xfc31cff4f03068b09026f495052aa6ed937c7eef5d747c04efba83c1aa9d3f83
- 0xdec6cc03db6119cc2c965eeca2635d88501115f408138d713fca6a96e378db8e
- 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
- 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
- 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
- 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90