← The evidence ledger
Evidence row 3746197
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:403123
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9d261de4a189f542b84df98db9c660078a7a9ce530eef9acba7b772015bf52a0
- Leaf
- 0x6396e38859bf53fa4870679cca96871f5e7398ee154b6917c99a440d4339d52f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/PgEnMN"
],
[
"a2a",
"https://centralcity.ai/a2a/340b3717-3cdb-49a3-b47b-bd8f283b1777/.well-known/agent-card.json"
]
],
"name": "Havik",
"owner_address": "0x417f8c310c7af3295fcfff24130d204473c24164",
"raw": {
"agent_id": "403123",
"agent_uri": "https://centralcity.ai/a/PgEnMN",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Havik 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/PgEnMN",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Havik",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/340b3717-3cdb-49a3-b47b-bd8f283b1777/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/PgEnMN",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-06T15:39:09Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Havik 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/PgEnMN"
}What the leaf hashes
{"body":"9d261de4a189f542b84df98db9c660078a7a9ce530eef9acba7b772015bf52a0","id":3746197,"kind":"listing","method":"sync.erc8004/1","observed_us":1793979549890332,"prev":null,"subject":"erc8004:5042:403123","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).
- 0x6396eca64927d62ef842547618f0423cc8004191a29c47f4824165063c48fe2e
- 0x1cdcfa2def4cb9c59f881b0ac441a15406d9405ff17b32cea207aa859272b78a
- 0x226ddb113c240e9e3b4eaffed782ad24e8a95f903bd9cb7792cde306845f43cd
- 0x92488c6aba56b6f14631c6755ee1034b24015bdc5441999ce31e61be8576debf
- 0x692ad73599c08afdb80d1f1b9c1936bb66c3266c540edbe7905d2434e2b4767a
- 0x734a17dec071e1fe22df08ab8d0803b67d726b7409bb09dc8e4b6d0ca0b3e55c
- 0xe9dfa531b28397754a9c56e1285fbc263934247b271cdfaa4bcd6d8031e8481a
- 0x816e1dae6638ee7aa692ac4e275c678f8a01c14d6dfd775b441c3989f7cd9a7f
- 0xe2e9777f8be933efd7c3a4cba528f7ecb45587a0f0dfc75947ce91a8bed37e92
- 0x5995c46c12174251adf19f33c62639eb45c72bf42f86cd1d71e72d5090743a43
- 0x7449a1c31f793d3708bed5da063c7597554e5e1f21c5202201d184de9c3b1d35
- 0x07e761859155192fcc7c94cbabb59e2e107a66e128a5c8102d548eb0d095a0bb
- 0xa05429b0e4df48c30f49ace963446c878eac43d6b983b915a31be4c33ab3dcf8
- 0xb127712f60d35ebf9394e769405258ca2f7a8338151d93fb5ef9288554fbff59
- 0xf2bc30db87e2aa2afe08f16c1943f967ac74b2e32364ad0b7cb45d2ffee7e447
- 0x7a2e5c8104eb5015bfa08d52a9278aa0b4da48bd2fb98690cc2d1c225b5dc691
- 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
- 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
- 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1