← The evidence ledger
Evidence row 2562500
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:174760
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9af10cb4f5f077c951d1b3d93029d8f0db94c8087f204767ba1863b8eede98b0
- Leaf
- 0x52c9717b08993bf0b95f34d60e85670cf84b7e76608df2f98009010a07ef577a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/xzJEEr"
],
[
"a2a",
"https://centralcity.ai/a2a/9e2e3971-345d-4052-9fdf-c8461b476a31/.well-known/agent-card.json"
]
],
"name": "Biorkero",
"owner_address": "0xa906041b68146a15d0fbf48a1bffb50b1146f975",
"raw": {
"agent_id": "174760",
"agent_uri": "https://centralcity.ai/a/xzJEEr",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biorkero 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/xzJEEr",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biorkero",
"registrations": [
{
"agentId": 174760,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/9e2e3971-345d-4052-9fdf-c8461b476a31/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/xzJEEr",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793699871,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T09:59:28Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biorkero 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/xzJEEr"
}What the leaf hashes
{"body":"9af10cb4f5f077c951d1b3d93029d8f0db94c8087f204767ba1863b8eede98b0","id":2562500,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699968867416,"prev":null,"subject":"erc8004:5042:174760","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).
- 0x52c969e24d3ce00fbf1b389739a8153e6aa44c25b436543f7be4a31d18ddf62e
- 0xb3d987f33430ee2eafd706527575930cd6e620ec980b10e42c492b4632b74ffd
- 0x76e22d3003e91753ed8f3755689806336bcb4475b0d21271f46e4dbc4bfc79b0
- 0x9c70e1969580c9489fa620e4d1b90c0f8956f03a7e29c9bf9b7c3a0428d69d24
- 0xc9a3a8bf6853150bce808f231eea3267d72d7ab1dc581161a1d2b4f1af6a13c8
- 0x90e0916b220a279ce52bf086dd4d778b9c9c263e960a2ca69b1cb1c0af78f33b
- 0x9bfa272ec4de96cc0022531beb84293e2bc7379443b6e3e7ad8edda080c34a2e
- 0x5c250c18073d4ddf50625e869a17e05418b4a85e38a01490d609aa93d56065ca
- 0x11d0636e4ca74450f9c2e03d41d9a286ddc48483692dc253188b609d510fe6c9
- 0xff93c463bdd651c84ddbbf1a469c2b4286f1d4075606cb5facaa1bf7be9481cb
- 0x1d38193c7b196eb1561bc8ec597d719b38386c88790286875e94548eb095b3de
- 0x1626b574f4a54a8b5d86d9eb4a3d6bf5f30e8a03cc0eed3de317caf81bd2527d
- 0xda890c866fee416acf3ff2be58beb7a0c492529b5dfac161cafa4d4b110f5f9b
- 0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e
- 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
- 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7