← The evidence ledger
Evidence row 2135919
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:94710
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c1142870a65edf254b525afa527115b0d155236c56d5c043e69aa327b23f2e02
- Leaf
- 0xe4d9e7f7ce4617eca8fc66b20910c6b7c6f04822e979086923440d533756510e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/qdokK0"
],
[
"a2a",
"https://centralcity.ai/a2a/48d4a917-91d1-47f3-a717-18bc503c5646/.well-known/agent-card.json"
]
],
"name": "Biosser",
"owner_address": "0x68e1c64d6674ba6273cd83d225e8d204693dc90f",
"raw": {
"agent_id": "94710",
"agent_uri": "https://centralcity.ai/a/qdokK0",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biosser 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/qdokK0",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biosser",
"registrations": [
{
"agentId": 94710,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/48d4a917-91d1-47f3-a717-18bc503c5646/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/qdokK0",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793623172,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T12:44:56Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biosser 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/qdokK0"
}What the leaf hashes
{"body":"c1142870a65edf254b525afa527115b0d155236c56d5c043e69aa327b23f2e02","id":2135919,"kind":"listing","method":"sync.erc8004/1","observed_us":1793623496525228,"prev":null,"subject":"erc8004:5042:94710","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).
- 0xe4d9f83fc4bb3022b9a3df768e04ac8ffdb3c71cf56729147e032276956020fe
- 0x117d303f43aae4e9f733a0b75e2fbab763b9ed4daa25731c94a664457836e3a9
- 0xb51d28595be34c48d8514587710eab6dc922a5fe8edce2bd7122fbec0fc10a32
- 0xd129363d5f9cee0ecc878c790052409c0f310f7f8ad3a562d8af4e4d6ebfba71
- 0xb31712cd6c7f84eac2aed711470ee8956f4544b378909a9701f672e8530a9e2b
- 0x4a8b1ee0ac335d8c17ffae132b9a44ac891fc48a02b2bf8627fd5ef1d973708b
- 0x25c6e9934cb0f816e22241a014c079405614f283f08be30cbee4a02ad0aa4aa1
- 0x292a9e5556137aff258de281d7eb1630f7efe58d200fbc6e4178a566f729923c
- 0xed537d5b7f62cb176a0a53a66ca552a0dc248c856792c3ca799c0c37187a85f4
- 0x0d73ba7951a2fa0b4f48a5d8cba774f8c6a1d4f11aa7ba445a53d987cde9beec
- 0x90cea1dfbe2afadf264a371bcbf80d0ae89c83e6a94171c981af1062ad2deb19
- 0x5de7f05542dbb95181c4cd655efb5f574870082798b2bebb6b2d8842abbb03ca
- 0x699db14025d495a48d39671ab634de3d8cbdf71cc080884a285592176d87ef84
- 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
- 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af