← The evidence ledger
Evidence row 3007478
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:248688
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 33dced5c8d4be414b76dcd03c38bfb10ea71c0d19ab0cef80351802dd6bccc53
- Leaf
- 0x08f1860405d7fe67dca60b61e91e7e1b02a7dbecffb18099967b94fc4d4b57ea
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Qayv0V"
],
[
"a2a",
"https://centralcity.ai/a2a/5b2698c2-d725-454e-b499-77f09250b018/.well-known/agent-card.json"
]
],
"name": "Biostose",
"owner_address": "0x455259f6d37679112316fefc2c5dd41b7d535eba",
"raw": {
"agent_id": "248688",
"agent_uri": "https://centralcity.ai/a/Qayv0V",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biostose 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/Qayv0V",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biostose",
"registrations": [
{
"agentId": 248688,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/5b2698c2-d725-454e-b499-77f09250b018/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Qayv0V",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793795756,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T12:36:24Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biostose 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/Qayv0V"
}What the leaf hashes
{"body":"33dced5c8d4be414b76dcd03c38bfb10ea71c0d19ab0cef80351802dd6bccc53","id":3007478,"kind":"listing","method":"sync.erc8004/1","observed_us":1793795784095122,"prev":null,"subject":"erc8004:5042:248688","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x08f19d5085339c25870b80fdc35a624f46a2fc123b2920f6e8866f56cab06deb
- 0x24abec6e6b3c546753ae802952d7decec36a209b91664800bdfd7bc44730e63a
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- 0x8e988bae125bbc7b9f904a9820f1c6e161b32f2ad43e7214d93fd41ef14aef17
- 0x604174eabd23aaa5991d11f4b4b9e25e634751d13b903c16cf19b513323c20f0
- 0xb650290f081387cb4ed246da7f2a28504c3b9b3ee7ece7970c4d493cc923066b
- 0xd485fa6c966ece0331aa8baae6d69aab93b9dcb55adadc2bd9aa9dc412e0d494
- 0x5d23568218229b7e3eeef47f32843d8ac4767658056a6ae35185b6c88cd7c473
- 0x5759efe647ac82902fb924d8cef5193aa9755b106cbbed19d401c71ec2927578
- 0xa73409b2f166bd2afb4ee09a6f14da3932638dedd788a6ea82aaffb0ba1388be
- 0x93b0ffa143f46029789efe471e67b2225a4e94de1d2a56c6b4095e0aad3e561e
- 0xe284656a9f0be097a543d51ee1f61ecff7529899f302f37ff164b86283b4e75a
- 0x100f0c53fd119963d622a12ca44bbe30cb6c40b8715b5360425f34a4bb487b35
- 0x25c6f3031e09eeef9fb0f5c010f6aa1605f7af5f1a8859ce4db5ae48d0598359
- 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
- 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345