← The evidence ledger
Evidence row 3713352
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:389837
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2d6ca4b76f1a35d6b06354212c56692b1b185872b822bd8225e06625ffb0cee3
- Leaf
- 0x29d58b9de092d424785fca1cb67de129de84897b7d61720e3fcaba78cea1e80e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/OpGuff"
],
[
"a2a",
"https://centralcity.ai/a2a/9bbcf6a8-8a08-4564-ac53-71bb8556f5de/.well-known/agent-card.json"
]
],
"name": "Grostano",
"owner_address": "0x6fce612eb2558b2efd1dfb5a8a96162c3a930b74",
"raw": {
"agent_id": "389837",
"agent_uri": "https://centralcity.ai/a/OpGuff",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grostano 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/OpGuff",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grostano",
"registrations": [
{
"agentId": 389837,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/9bbcf6a8-8a08-4564-ac53-71bb8556f5de/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/OpGuff",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793961446,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-06T10:38:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grostano 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/OpGuff"
}What the leaf hashes
{"body":"2d6ca4b76f1a35d6b06354212c56692b1b185872b822bd8225e06625ffb0cee3","id":3713352,"kind":"listing","method":"sync.erc8004/1","observed_us":1793961517755930,"prev":null,"subject":"erc8004:5042:389837","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).
- 0x29d511e79833e55b6ae8856cdf9cecd81c10da20896ab51b6a9ea41664c96961
- 0x08b8574d79ac3085d4aff930a39b105ceb5357407cea69d3e462b7c54bc2ef52
- 0x5803938d2379d39750337ab6a7e61fa45110f3e072604dbdf0fae549317fbc90
- 0x3c59590d82b8f58920d7435faf95b70da31d0e642832fe9048245c6f8661fa1e
- 0xb07ac9c024bc0d916e2390d4b23ef0cc88e3a91c8ef9627fb5b20cd6bff4340f
- 0x72790a5ce8a638f925eb19ad8dc0ce1e52eb9ad6c9084bc5b75ad8d485d58212
- 0x1a0c231fcbf4807fc161ebad397ed7e6412ad3d4968782a4e49d3e92f1bb069f
- 0x60c81d7f1bd41e4c23c4b824957f4050d48d5643d97e0259b1af4aea9995a626
- 0x24d1955c412b87fd7f66941b6e00a8b864546c8e8c0c18bc099a9c4e84da0e29
- 0xf2b6cbbf88bbc9317ebdc8b80ddaab2488bee189be1f17935f2f378241d900bf
- 0xebfcfb8c5d4083dfdbb026cfede6ee44dd1c21e00943018469e06f27cc4107c3
- 0x95dc8a80bb19be9024134226f31dd7bb1a939569ab1aba6866a054e8f6bbfe41
- 0x306349fdc1b0a753057a19c566eb065b2f22532faad4d336b92f0b17b12423da
- 0xb3969cc604693571253fb2f2b926c79b3a34bd130194a76a108232bb221e1e74
- 0xaa85d31529f47e1b810e9dfd8bfa6050b99090fde56ac1fa1fb399ad1e6bb919
- 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
- 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
- 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
- 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1