← The evidence ledger
Evidence row 2560811
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:173755
- Recorded
- Previous row
- #2560566
- Body SHA-256
- baba75bf0819a0a6f9aa8476d7c3d7a4fba5be1e309212fdf44df6ef80a3267d
- Leaf
- 0xd9a91264cf3e25d247a15ee90c093af8aa6a5c3b3d707d5e5202b1f167a53ac7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/2SI84u"
],
[
"a2a",
"https://centralcity.ai/a2a/a03e4edc-7d2b-4705-8d11-a8dbf0a2be16/.well-known/agent-card.json"
]
],
"name": "Biovik",
"owner_address": "0xa071f79e7cbd0dd73d2cec0d1478efb6b5d6fd84",
"raw": {
"agent_id": "173755",
"agent_uri": "https://centralcity.ai/a/2SI84u",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biovik 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/2SI84u",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biovik",
"registrations": [
{
"agentId": 173755,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a03e4edc-7d2b-4705-8d11-a8dbf0a2be16/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/2SI84u",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793698729,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T09:42:42Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biovik 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/2SI84u"
}What the leaf hashes
{"body":"baba75bf0819a0a6f9aa8476d7c3d7a4fba5be1e309212fdf44df6ef80a3267d","id":2560811,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698962450373,"prev":2560566,"subject":"erc8004:5042:173755","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).
- 0xd9a926f739d525d30c94f906e0b94fcdf2047435b719528a3dfa61bc199e2bce
- 0xeff2b152e3cacae8d60ffb38765d3b2f550cb90a182e2e42f743808809be1aaf
- 0x0d33a78655dfe023a38df26ab121ee3ceb66eae50411f12fc1f72cc67bc48c8c
- 0x5fab29f975766ccfaf3ec5b874a3e4ee4aa6537518c9fafe014ad3321f67008f
- 0x5c6590cb9fc3e116b8b87701034389aa0171720551cb92afe8088ec8ebcdcdf5
- 0x363ae6641cfbb812ce41e46b3cb2359d823710781f71a982144e87444487a0be
- 0x45aecc656edec50b8de13bbe2f7971a081d958a1da5d5f5e3facbdd649b63427
- 0xf46db8fd364356a7ad85efc2c6287e76bbe7cef0648c20ed52ac5e195dadeebd
- 0xe32a570f86a9c21f11e19eb4216461348d1bea8868e3366ca063ec946d4f034f
- 0xf3299704523b9ebe462869650c0a372e94888c5527f6afd1a7739d6415b226e9
- 0x5dd8fc875a8b23b0f9572c9c6cb4f4843ae5b16f63d90ea0008ced03149f10b4
- 0x48e5af95f9eb80bba4fbc0a698a6f7e78f9b400ee2c3eb0be1c4c5bb86394956
- 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
- 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
- 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
- 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7