← The evidence ledger
Evidence row 3016441
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:253400
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 525bcf83889045d4e229d08f5e392d455767e1ac191616928ba35d1b1fce1a19
- Leaf
- 0x69dc6abd82f0f6ac3bc8fc193f05b6144f07e6c71a7703c2f4c2c9663fe780e1
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/s3MAf2"
],
[
"a2a",
"https://centralcity.ai/a2a/0a136391-1746-472c-98d5-6e651da4c7f4/.well-known/agent-card.json"
]
],
"name": "Grebis",
"owner_address": "0x78ffc24ee436001a75c1a408426e27e7e5da5d5d",
"raw": {
"agent_id": "253400",
"agent_uri": "https://centralcity.ai/a/s3MAf2",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grebis 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/s3MAf2",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grebis",
"registrations": [
{
"agentId": 253400,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0a136391-1746-472c-98d5-6e651da4c7f4/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/s3MAf2",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793802460,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T14:29:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grebis 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/s3MAf2"
}What the leaf hashes
{"body":"525bcf83889045d4e229d08f5e392d455767e1ac191616928ba35d1b1fce1a19","id":3016441,"kind":"listing","method":"sync.erc8004/1","observed_us":1793802547975233,"prev":null,"subject":"erc8004:5042:253400","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).
- 0x69dcef6e366ee2306b9f18060dfc6e1451f540be615bb886b61ce0c9e06c668e
- 0x979d40ec804fd2d8388fb5dab9038b4ea0d0de06cf9dd5c309795b2ea1afcf4d
- 0x83507d3139a089b0a9972e93eccda684202f2cabd9b925fb0370bffea9a7343f
- 0xbc5b76e270cadb2546132ab1e5349383fdb0c567764b325b87c26260aa3c346a
- 0xa7b375517ea795c4dfc8d7669c4da1ade79b737d99dc6d55c82bbb7c9db885cc
- 0x7e9fcbd57325ee05ef82a2a3e738d957d6d8f1a5733321b42cf763392e6d760d
- 0x7e5e0302a1a4704a9f3e6e37b633674a4e12557214c80c7c6a92947f0b58e9f6
- 0x751fa6443e85df5e2b764b634b774a14e028ab9122e4c1a2fe6ef6263f26d704
- 0x91b56994e7f526593ed2c21f0449258e749b6ebe90b137f02cb835cb7bb1b8c8
- 0xdd5de6a38e9971f41e8047133c86ccd98cb3978547c461dd46b9043829ad1532
- 0x8f2a464bbfb2298acfcfba5f2c6457b528af6a86a47d08ca33b008afece5cfa8
- 0xaae3003511203cf085fdc7ca24566ee20bb7da8bb177af3ec7cbf72c7ccfc23a
- 0x216c4f7cb39735a92a679f53387ec2cc0b20dcad456dba44554a9756bca6b24b
- 0x3712db1cb5396683f3920f9feec808cf32004edf753d19ee1e3de6f3e846c055
- 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
- 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345