← The evidence ledger
Evidence row 2604962
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:191485
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 54a36ce19ecac04feac91865f66092fa872af529c71bac20919fd75304aa98ba
- Leaf
- 0xbbe7d6df3a40e291f1a6ea8e13569bc1aabbc7bdba0188e8345b5b5f1bb5111f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/08p51c"
],
[
"a2a",
"https://centralcity.ai/a2a/8b051493-fe84-4d82-b99e-fc6e030ee4fc/.well-known/agent-card.json"
]
],
"name": "Nobis",
"owner_address": "0x2d42af669411dff54d13b91cdea9ce83cc14314f",
"raw": {
"agent_id": "191485",
"agent_uri": "https://centralcity.ai/a/08p51c",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nobis 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/08p51c",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nobis",
"registrations": [
{
"agentId": 191485,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/8b051493-fe84-4d82-b99e-fc6e030ee4fc/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/08p51c",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793720146,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T15:37:42Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nobis 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/08p51c"
}What the leaf hashes
{"body":"54a36ce19ecac04feac91865f66092fa872af529c71bac20919fd75304aa98ba","id":2604962,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720262884805,"prev":null,"subject":"erc8004:5042:191485","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).
- 0xbbe770137e207d56db722ccf55dd406d574c87d7e87503dde1793525334fe388
- 0x37524580062e201e95931b9295b2963fe9acb8e5a72330177ce3dc59af77d155
- 0xf43df95c9b91ad3a89c916deb3285feb1dc2b6a520bbb25af3d0552a802245d3
- 0xdcff2469ca4f4eb729ac09ca821340558d85cd2b3d510e27896489e637dbab85
- 0x99233a510a1eb31aa27bfd4d2e2ec605269e97a9ed73ce044fb2291927829f88
- 0x9e73d1b96396f6960925d7652585e345fc46b299240b7be02b906caf13bfc4a5
- 0xf7f50cbb8e071075f069f5040c4ab578ed3a51f3382aeea07391846b6a2958c3
- 0x582f51273015be0aca249c7f1dc250b93aaaaab392762c357200ff78f99aa36e
- 0x5a1913d91cbfc99dc2862e996b4fb56ee6d3663430046ad56c9aec1e9e6be004
- 0xa6bc9f9ba6c48c4e505f67025b2a31fd2ac72bd2c4404da303bbcc97bfc04b2f
- 0x5a1ad70bace113b6468d4bfbc74831eb3403a3e846480d283804038e2f22023d
- 0x7ce601fc96d647ce2463507747a850bd2b37655c54170e4e68ac13eab78c269c
- 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
- 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
- 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
- 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7