← The evidence ledger
Evidence row 3740938
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:400962
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b0127a83807a80d80bcbbc3bbc0e5e82a95f996e291ec9c5b22759b857825782
- Leaf
- 0x4b4bc1e27c73257fdf8f2c9f420cae0b6310f2fe78b7d36291d787b43ca0dd8f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/IrxtgR"
],
[
"a2a",
"https://centralcity.ai/a2a/8282f9a6-0600-49ab-9877-868fcda1d376/.well-known/agent-card.json"
]
],
"name": "Matert",
"owner_address": "0x347ff149127f03ae00dbfdcb831ccf9fe2b322dd",
"raw": {
"agent_id": "400962",
"agent_uri": "https://centralcity.ai/a/IrxtgR",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Matert is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/IrxtgR",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Matert",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/8282f9a6-0600-49ab-9877-868fcda1d376/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/IrxtgR",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-06T14:54:14Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Matert is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/IrxtgR"
}What the leaf hashes
{"body":"b0127a83807a80d80bcbbc3bbc0e5e82a95f996e291ec9c5b22759b857825782","id":3740938,"kind":"listing","method":"sync.erc8004/1","observed_us":1793976854150918,"prev":null,"subject":"erc8004:5042:400962","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).
- 0x4b4af24137a84fccba89fa393cd433d43a2489837020c09d1966659e2d1f7984
- 0xeb49b2d67ca60834ee0fc52991e35e580319ed9cd5eba3225dd517d7badafa35
- 0x5ce037716ee308bbda89c9e0f07c6cecf66018641e278bb1fcaf255d4fa579bd
- 0x8830d1ace1813bf10858349831e93c66c5ecee7bd32d91fcf6d0cff1bdc80d59
- 0x89105a6a9c744160e7d22d75e9db5015982d0659ef953f42d7b8cde259350fd4
- 0x59774fe57c80ae01d507c897fce4ce7579cc1f226c9a693b7cd08466b1042298
- 0x9e979ae8ecb6349d7e8e0d14ad83884bc43aaecb54ae76a80ac16ede32518575
- 0x995241908afd29e3fe770864a5c44310410f0eadd17ae09a1dc69c4fea765915
- 0xaf9eba5e6b15619eee1cd1e238d36eabaf268ddecd15631915ab149868d60e04
- 0xbc97e799d20726bc299f2d274990ee14f9de7cb24bd62e3682f838972f947d88
- 0x4f36ac7bad6603ab20c215ed3643cb223fc80c4d1df42e1622bb2270d6ecc26e
- 0x249abb8e55b2169230feddeb4afc31aec854672fe2612dc66fa7c601df31942e
- 0xa80a7d17cd763b757e3a32997a1caca0f20e34f2ed5791002fa526c9ee44acb8
- 0xa123d810d73ee892ccb20ba24826873004f868a1fac8d5c06bc72a1a4a8df629
- 0xa18562956ef32715be3beef73e0db96be2b79caa00a0157b81ff91d577507391
- 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
- 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
- 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
- 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1