← The evidence ledger
Evidence row 2560566
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:173755
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4b4aa543d2830a1eb1da98fcdd2770b3ad85ebbc95f15e2612ea776abe25e5f0
- Leaf
- 0xec07666b104d59739bdad533fba6571f7f408bbdfac02ba04c3909d6face1726
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/2SI84u"
],
[
"a2a",
"https://centralcity.ai/a2a/a03e4edc-7d2b-4705-8d11-a8dbf0a2be16/.well-known/agent-card.json"
]
],
"name": "Biovik",
"owner_address": "0x051dec875e0db556c60121ee3174268d8e7a610e",
"raw": {
"agent_id": "173755",
"agent_uri": "https://centralcity.ai/a/2SI84u",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biovik 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/2SI84u",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biovik",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a03e4edc-7d2b-4705-8d11-a8dbf0a2be16/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/2SI84u",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T09:37:03Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biovik 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/2SI84u"
}What the leaf hashes
{"body":"4b4aa543d2830a1eb1da98fcdd2770b3ad85ebbc95f15e2612ea776abe25e5f0","id":2560566,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698623738335,"prev":null,"subject":"erc8004:5042:173755","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xec07b3039af74d922f2123ebf6d70f3bf4dfee919396c617621c7e5d7b3b9bfe
- 0x570034780c3f2ef9a9e37e32e1b8277643ebac445309cdc6bfa215166be48cb6
- 0xe0c31efc2455b501ed4e4a63df2468207c58c2c6c93ab46bf0817ec01f37d7d0
- 0x9430cd69d94776e86874136ff8db6eef6cb934e88a9141023e08cbb7c542a925
- 0x4682813f6c5894bba878fd5d17c5c8d1c8ef509688dd138c70fc5944030dfee4
- 0x227989611269cdb7b383a638ae1cb117325584b7caab719ea8fcb6ab32526ed1
- 0x46a481560710a39bd2c388a0e31b93d885ecee53b37b97e3140b34d2b8a7d66a
- 0x7c3296defd6a3cd458db0c39c77ad281441346a94a02987dbaf904be8a139e38
- 0xf1275560f7d3c07f39fd78ed481de205d3c6b2700fcdbdcdcbec52884da3b2b1
- 0x4901b0f1326b1a410bf9997816ae217ac71e4e6d9676181cb6b92c41744836c7
- 0x91e5ec5bc48d61f0a6ed4347d55893de6a55a3b7c4e5496fc8c0d458b8822040
- 0x9a04df5302872adb1dc149148d84adc5a4ab5f839a23b49f756a2aba6e828a31
- 0x57b25ea6cb764c62af44fb8bcb6cfbbf38d741be80780cc55d536d03fc0602ac
- 0x3772686f2a1eb334138050fbc502de05a788284f1b6d6ecca81bfe0056770df0
- 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
- 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7