← The evidence ledger
Evidence row 2144495
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:97890
- Recorded
- Previous row
- #2143569
- Body SHA-256
- 79d68fb1adc982a92a5c7633f4fd90215febccb19e617a849288b217dd2c880f
- Leaf
- 0x9515c402096fdc46cbeb900c8015bacc03eea6ca246ac50ab0d30799f411fd90
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/l2mDzx"
],
[
"a2a",
"https://centralcity.ai/a2a/a797bf8e-ae73-40ab-86ce-df6d86d968de/.well-known/agent-card.json"
]
],
"name": "Biozero",
"owner_address": "0x99325e59a885e57f8881f1ca4d9c4e57c7e991ea",
"raw": {
"agent_id": "97890",
"agent_uri": "https://centralcity.ai/a/l2mDzx",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biozero 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/l2mDzx",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biozero",
"registrations": [
{
"agentId": 97890,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a797bf8e-ae73-40ab-86ce-df6d86d968de/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/l2mDzx",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793625826,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T13:27:21Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biozero 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/l2mDzx"
}What the leaf hashes
{"body":"79d68fb1adc982a92a5c7633f4fd90215febccb19e617a849288b217dd2c880f","id":2144495,"kind":"listing","method":"sync.erc8004/1","observed_us":1793626041089703,"prev":2143569,"subject":"erc8004:5042:97890","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).
- 0x9515afd28983ae2e169f18cf8f61cc7287ab3feaefd8a2becaf623817c73b56a
- 0x3744d7c14eb8677cc21a5d5316524cd603b8a66433642c41c0ed8d705bc0f679
- 0x91d4d7a5934944ae83ca5df2d8d8d9296188d9c55ea697e6ebf8ebb90c951c19
- 0x1516ba208d41ce79024a9b9949469aee02e7501764fba0018047d5a0ed1ab8d1
- 0x71e9dc742606d5a8ca71efee2397b517e7664d0d80f64a79602598827120279e
- 0xa0fdb7ad1bd32745e0d1350683370e597137b697aa4189119d6a80134ae43ea3
- 0x01efb35dbab4ac6e2f4db5a36039074ccc55ae0b5e0f3c93949c30662e0a86b8
- 0x379df76e53c708cdbeb17e70185af2e267431b04392355665332d3fcba0024bd
- 0xe51769aaa5ad7b05e2b2e7b60bf4bd7026df1fd17cdb1f898990c62f1445f2c3
- 0xd8edff843cf646dd6f1004f8641d73f9c4df875efe22fac2dc7e68931946a63e
- 0xefe11a1343a9c2d7a93b447d104bc20b288de6e17292fa152c6543657640cb1c
- 0x93a479000997489c9f10f23b0bab5b0ff25afee590d626a4bbf85ac315b6178f
- 0x80c229343462b4db0b5706d7cf049c63be6fca4613d1e49d2d90b6c7dd36074e
- 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af