← The evidence ledger
Evidence row 2968132
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:232569
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 798f337df5bfbef9b2cf09d9184497e9063a1bb9c415067626e13ce98ed8ef5a
- Leaf
- 0x293bd8ea3be7093cfe133b638d5736762108afa8c812ac3b1ad728f06d06a43d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/oYio5C"
],
[
"a2a",
"https://centralcity.ai/a2a/95653571-65ee-465b-9d54-ef8ea891914b/.well-known/agent-card.json"
]
],
"name": "Katjo",
"owner_address": "0x1a3ff3e17f0724f8474e2b01b2e1226e42f16a6d",
"raw": {
"agent_id": "232569",
"agent_uri": "https://centralcity.ai/a/oYio5C",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Katjo 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/oYio5C",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Katjo",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/95653571-65ee-465b-9d54-ef8ea891914b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/oYio5C",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T07:09:26Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Katjo 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/oYio5C"
}What the leaf hashes
{"body":"798f337df5bfbef9b2cf09d9184497e9063a1bb9c415067626e13ce98ed8ef5a","id":2968132,"kind":"listing","method":"sync.erc8004/1","observed_us":1793776166843469,"prev":null,"subject":"erc8004:5042:232569","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).
- 0x293ba1063e3fd3e4bab196ad4cced0a4ba42d89c78ed571f4062982a30098757
- 0x0879060bb275df2158e4cf5166f366e3cc283c92201f47be09e44235224b1f7e
- 0xeeb6053733170d3d32960f34566c3f6626c62530d3b3e0fbbd907fe161988e1c
- 0x6356b3a5a1e366ef64b6617556452e580872fd6da3e904d97db712d652744129
- 0x34cc06dd011cc621a528f7f97c5d8b855e1cc0e356eeaa251980bab4cd6fee9c
- 0x64f9525f477063300201efd6310b2623d024bfba4696f3c3a1a7775dcbf5ab6e
- 0x36e95b6c2b036c89edef1dce3858e15dd015d903922508e6837d13ba07d1ee09
- 0x94eb266548799ef583065520216eaa248a9366512ffdb0de57230b3088cb0832
- 0x462e06451a0f16c25834e3437242908951a47668f86da4411b3ffe7dd987e4c3
- 0xd1f34e8ff9b7198ae6ede9894336ea5bc2acf152f5693c5bad239f697e07b76e
- 0x6b5b070c7e6604344bfb9b6ec2388c512cc1a836c0d09d20e59eb315c49029f5
- 0x13c782b0f189ea013e2328715a39ae1f9a94cf3066d6ffd247843138ca80b0f0
- 0x8af9d9f8bf8d576d6cd477ec0b29ba6c7ab702c24f52818bd05cbca90f68e7cf
- 0x4be10d765cf0cb6820e51b664f4703077b474dfe0fab694460a1ed08402448ff
- 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
- 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
- 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345