← The evidence ledger
Evidence row 2116898
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:86973
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 943740175b9183f287907f4cda7ea92c7d08f180ddb0f78b4d0eddb8b4259531
- Leaf
- 0x42a7dffdc52d6ba85952cf3647753799b5a6f8ccd0e041675008f9f070f30506
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/9l1dl2"
],
[
"a2a",
"https://centralcity.ai/a2a/a036e41e-3d66-46c8-86ec-bf0e92168359/.well-known/agent-card.json"
]
],
"name": "Ruba",
"owner_address": "0x73569c623dfce04c29fd25b59140e2a1211ac591",
"raw": {
"agent_id": "86973",
"agent_uri": "https://centralcity.ai/a/9l1dl2",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Ruba 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/9l1dl2",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Ruba",
"registrations": [
{
"agentId": 86973,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a036e41e-3d66-46c8-86ec-bf0e92168359/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/9l1dl2",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793617611,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T11:07:05Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Ruba 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/9l1dl2"
}What the leaf hashes
{"body":"943740175b9183f287907f4cda7ea92c7d08f180ddb0f78b4d0eddb8b4259531","id":2116898,"kind":"listing","method":"sync.erc8004/1","observed_us":1793617625182768,"prev":null,"subject":"erc8004:5042:86973","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x42a7d6c179e2e6c20f58457d3d0c80897cd1f468c9c66b1b4fdcfffe89b6211d
- 0x4b29acdcf41a654dd56a409f401d87deeb4beda29859992f23b04894fd826fe0
- 0x84f2b392f1c92b41b7d686ee839a306591e3b706f835549614eace31d04614b6
- 0xab99e5167d412edc72bca48ee92698c9879dce4b01c2055ab6cc65ac7dfa3245
- 0x0782a999514d7a10e1618427bd2b0deb4e888696ae92a4456cac106bbf78030e
- 0xfdefced505965f9482822475cc94e52826821cbe7f61944745084bf9766a5d83
- 0x669695a12f18f96341811eb8eca5c59facf50cf7888e13bb9ea662e4ba0eaf69
- 0x9c0ca699a264d6d940a4a90cea5e3149832da0ecb332c3444bf6d064bec815be
- 0xd2a18a450b86cb34aa36ec26c66ef711762ed4fbdb769cc45067451a727b6d99
- 0xfb0d5bd6a996f0e328df48cd41c036ff63016e3adc6a37ffe9928ccc9533e585
- 0xa3f488e7414c77898335f4af9d630327105c16b56d9ea0be60d6e5937b0c5fbf
- 0x17858bbc60dae810bfa46a71ddb0d4bc3816060ff678ab2804cd513c70546454
- 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
- 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
- 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af