← The evidence ledger
Evidence row 2716346
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:206159
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 77c2e167a5ad7aae747b48805c35a5dcc5694883e6298c99d3c42211c63b9b3e
- Leaf
- 0x300839143d84449909cf823f2018092a0dae8408e3db39a7ca30b9ef605616f5
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/f9rTfZ"
],
[
"a2a",
"https://centralcity.ai/a2a/2ef3ce7a-19ec-4250-b1bf-ac3452061f5c/.well-known/agent-card.json"
]
],
"name": "Bioza",
"owner_address": "0x154339feaa77cb643964edfc14f5d322a23c9341",
"raw": {
"agent_id": "206159",
"agent_uri": "https://centralcity.ai/a/f9rTfZ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Bioza 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/f9rTfZ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Bioza",
"registrations": [
{
"agentId": 206159,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/2ef3ce7a-19ec-4250-b1bf-ac3452061f5c/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/f9rTfZ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793741496,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T21:32:55Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Bioza 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/f9rTfZ"
}What the leaf hashes
{"body":"77c2e167a5ad7aae747b48805c35a5dcc5694883e6298c99d3c42211c63b9b3e","id":2716346,"kind":"listing","method":"sync.erc8004/1","observed_us":1793741575171308,"prev":null,"subject":"erc8004:5042:206159","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).
- 0x30084b1883c7bc802a0f2d4a3decb953680209371bd82b59b553fa6e1629435b
- 0x73a096d32c44e2a2423e003d76725e66e27df7287d9164684d0d59e8865cf301
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- 0x84619f0eb3536be3ac43a4d670b11373125989f568b7bcd2aab10ac38d9cf185
- 0x1ded9acc43d90dfe57232d09d0c9a360cf3bc6e3018e02495ca9b8a7b3f595d5
- 0x9cfec4a93bbf63ec7d6c702f232ff0d8293e27f33c7734287a9c7ddcc58f8c91
- 0x0edfab5a867af4f2b6c50a24ac101ef2d3740aee4ab2035198f170d758bf123c
- 0xfa017e2da323c32125e6d99514b43fc99191e63d9e43c6f8c3ff41f750d94f40
- 0x2119e798ceaee3722b20955497f8bb2bc42c1a385b0ea08d0ad97af45ccf00d2
- 0x0d9eb153c9cf4c8ec57088243662faca3206c87f191ba2f95f795f038d662676
- 0x1d9f321ef4e13069ab260b603bc094abf8fcb1c0d9a01304258640a640ded1a4
- 0xae2f2873a88ca5db58107135725dc5d5c62ade72fddbb335579948add9e9e7f4
- 0x2f64dbba88ce60f5cad9ef597b99adbf687838c05ce885ed581fa95aaf9b1a3f
- 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
- 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
- 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7