← The evidence ledger
Evidence row 3125676
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:290520
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3121171af1fe58cecf5a35de8bbf449f31e58762d0da97b72957dacaf26eed2f
- Leaf
- 0x811d0a13a6fbb144a7354ddc1d9f267291d65f50722ad40c6c64b67f1fa288d5
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/O9C519"
],
[
"a2a",
"https://centralcity.ai/a2a/ad1a8dcf-375b-42d7-b09f-a2f1fb10912a/.well-known/agent-card.json"
]
],
"name": "Biover",
"owner_address": "0xf127a3f263e34a3334daa5e55125eb96f36009ec",
"raw": {
"agent_id": "290520",
"agent_uri": "https://centralcity.ai/a/O9C519",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biover 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/O9C519",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biover",
"registrations": [
{
"agentId": 290520,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ad1a8dcf-375b-42d7-b09f-a2f1fb10912a/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/O9C519",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793824845,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T20:45:54Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biover 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/O9C519"
}What the leaf hashes
{"body":"3121171af1fe58cecf5a35de8bbf449f31e58762d0da97b72957dacaf26eed2f","id":3125676,"kind":"listing","method":"sync.erc8004/1","observed_us":1793825154650654,"prev":null,"subject":"erc8004:5042:290520","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).
- 0x811cfa71558869f2032abcec65fae1feb2a79e9885cd5d2ce1d5f28685d08139
- 0x2882aea52c5913c72a6a78ffec74b28bb3c29dea05755c4eb98289c130f5a3d5
- 0x3fe5d3f4a2c7d2625339b4a807f2720bea20fbbee47806e61cbaa56430d702a6
- 0x21cecdbd31ec45734e7f2e4af89fc9026703a2d59e46b560058ab95579f7e4c8
- 0x50d641450df90c22ce915e89dad5fa1168b5a4b5140a4629cfd523fc6477f1e9
- 0x00e54bfa940a9e7e5ddb1fa0db5f532a7e4059b5e5edb11a5146f0ddc795c3b6
- 0x6441e78a8f14e7c42c0c1e2c815ff58f70297ad73387b1a8a46c10ae174438d3
- 0x548bcc144d2a1d74e7c8029779b6413c955f6ebd23d54db2fa22a9c3d52270fa
- 0x94f9fd15743f65845a8411478ed84245cef6e885cb430202453355986bd9c660
- 0xb83eb70a54eefb5da45d06958476efd60df22c6f9e1eff6aed58600da592c998
- 0x0743fc429dce23563651dc6107ba170a590699c2c109c9481c4f82776ab35490
- 0x38b4259d22fe383fe03761d825a089ed74bd472047e728ec70d6c975d9e3957a
- 0x872dac3bd094aec73d51dd10f92fdc7d93a6574276c3984bd40bfd36a6d87f0c
- 0xb1ab0e3e8cac6654ac8ea8268541c4e7427e5681c4656606d00e2a8f8dfc156f
- 0xfd43ba7389cd962b524a46ad83e1376d2c8058f201e4e5045df6cb4011c39a08
- 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345