← The evidence ledger
Evidence row 2574589
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:180825
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 36bc13cf5d2689005d995ac6bb296f1dd187689e774d851cd045f74ae4ebb0b7
- Leaf
- 0x9fa456057b166ee5dfbea72595a3fc4ea1e0da380b4f10c7a014bfb8db1176d6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UIUIyx"
],
[
"a2a",
"https://centralcity.ai/a2a/3e68fdfd-49c2-4bb8-88d9-29584b40e919/.well-known/agent-card.json"
]
],
"name": "Fonsa",
"owner_address": "0x6c52df92617350ea4cb8d6a0203242cc89e4cb9b",
"raw": {
"agent_id": "180825",
"agent_uri": "https://centralcity.ai/a/UIUIyx",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Fonsa 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/UIUIyx",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Fonsa",
"registrations": [
{
"agentId": 180825,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/3e68fdfd-49c2-4bb8-88d9-29584b40e919/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UIUIyx",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793707029,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T11:57:25Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Fonsa 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/UIUIyx"
}What the leaf hashes
{"body":"36bc13cf5d2689005d995ac6bb296f1dd187689e774d851cd045f74ae4ebb0b7","id":2574589,"kind":"listing","method":"sync.erc8004/1","observed_us":1793707045069758,"prev":null,"subject":"erc8004:5042:180825","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).
- 0x9fa4611baa65aa9e97fb608dbbd83d0c9d5d491e2d114c9690fdd0030ade1605
- 0x6f59384c4c236ec5822476264769d3567c32c16751e0efd0bdb7910585efbf85
- 0xd5e90b3b38ed079d30a5dc148a47b34085c9fd70192583d68d7e9035a73edf08
- 0x0b8d2da8236baafb0edc077a629cf795665acdf041dbd0b5eaf4913322491855
- 0xc3dc4d356b2928a9910c326415cd2021c59a798b210bb3bc19dc966dc9e926e7
- 0xb127f76c60d73ee520dcdb82121fd2e01ce4e1c86c7a41322fab3d27324ddd09
- 0xc606cb5e8819d3c33e3f7c0baf953cce167188730803dc4ad79291aaa35e88cc
- 0xf2d9d5291773c9dc4d0fe9dc6b349f80ced54a3e5f66ac1971cadb041f0dab6d
- 0x64d4b37820a0e2a84741cecbeb7dfd2af6a5f87aadfba2b7f80da0daf4163e70
- 0x05fbacee16d214d2b5c269801e3979b046c0cd6cf25940180de3879437b5773a
- 0xef7699fd6254ffb0ccebe16b632ba720842cda5dd0783b11cc45073c44d3efc5
- 0xb47b1f6faea714cc97fa97c8755c79e0e099a2dbf305cfc6e721cc7118fd4160
- 0x8070cbe0685f508360b5b1120601afa35a96b721c6cad8ddc83334fbabead425
- 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
- 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
- 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7