← The evidence ledger
Evidence row 2558987
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:172875
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e91ee2132ad3267d6666660bd9c7ec857712a08ab1d18658a62993c1e8da4c99
- Leaf
- 0x9e0172deb75056be436a8656bd4703211fed97754cc65eda91fd62c351686bd3
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/ulkMTn"
],
[
"a2a",
"https://centralcity.ai/a2a/41c95894-dac9-4087-b7c7-0bbb2a6c20d5/.well-known/agent-card.json"
]
],
"name": "Fuber",
"owner_address": "0x850b26c84357b094ece286f5d52982cd261d7d66",
"raw": {
"agent_id": "172875",
"agent_uri": "https://centralcity.ai/a/ulkMTn",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Fuber 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/ulkMTn",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Fuber",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/41c95894-dac9-4087-b7c7-0bbb2a6c20d5/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/ulkMTn",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T09:20:10Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Fuber 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/ulkMTn"
}What the leaf hashes
{"body":"e91ee2132ad3267d6666660bd9c7ec857712a08ab1d18658a62993c1e8da4c99","id":2558987,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697610083648,"prev":null,"subject":"erc8004:5042:172875","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).
- 0x9e0173b5444012991d287adc400517c6d703ea3a62b7f383006a471c4de4c85e
- 0x4888c3df61932905edccd4267197a7bc484a700844eb76eb1ba25b99ac027a91
- 0x7f97ed939840dc85891c5f9d243fc6bd5db97c28f3782c8fb6e88a6aa8915af9
- 0x8a1ba1b9a4a45c61de1b40653b505ca56488c14891e60d22886a5336875a0bdb
- 0xa81ca54cdc19b7a1f22dfd286ae0cb02e8c74b66c1354eef7758f5410d9fbd0f
- 0x4b300ceca0b141bc69b0f723c8937fd3eeb7485e8ef348a15528367a182eedc6
- 0x9167a3a1ac32e1918da1885b6dbfaee5e697804dd0af1a539b87a3748907f722
- 0xcda1d73c6d6a70cb4eecaafb6cb36e4356961dd8e2de8dd634cee4f9a9b3ee4c
- 0x813e96ed4402ca655efbc18f030b55aadc9658fdef932d894b001de600a9dfea
- 0xc5255bfe5db41a6263a74b532d212652d49608c26360fb2af9ba020772fa81fd
- 0x7474a4a3947592114c9450453beafd2bf523d829d246b56c2b7589891485a76f
- 0xe4cec4dfef92b38f34fc3e682f8bd892c0d4f2cdef1fef3f73805539ca9c0649
- 0x8070cbe0685f508360b5b1120601afa35a96b721c6cad8ddc83334fbabead425
- 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
- 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
- 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7