← The evidence ledger
Evidence row 2121396
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:89160
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 82c14db5a99fa25beb8cc8cec7ab70d33d08d6e373a9b4c3142069fe5749b9d5
- Leaf
- 0xf20235ff6294da59a2e4520bd61562242effd5cb2106e87109422a020ad159f7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/7HWhUi"
],
[
"a2a",
"https://centralcity.ai/a2a/dca4f7b6-554a-4784-a774-c8e34eba3cd1/.well-known/agent-card.json"
]
],
"name": "Havik9",
"owner_address": "0x8fa68fa4f3705642adb6057685aac7c76da243cc",
"raw": {
"agent_id": "89160",
"agent_uri": "https://centralcity.ai/a/7HWhUi",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Havik9 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/7HWhUi",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Havik9",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/dca4f7b6-554a-4784-a774-c8e34eba3cd1/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/7HWhUi",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T11:32:49Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Havik9 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/7HWhUi"
}What the leaf hashes
{"body":"82c14db5a99fa25beb8cc8cec7ab70d33d08d6e373a9b4c3142069fe5749b9d5","id":2121396,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619169482181,"prev":null,"subject":"erc8004:5042:89160","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xf2025639d7994fdfa48f60613bec5d8def2f24332bf2b90bc1da1e6d50c3f062
- 0xd64d7620de191c7afe999b5a13d262f95754e962285ffdd0c99f9789a9d5df92
- 0xc1e37104f8c1eaf8c076365decbce60da623c2195ea016d75f98f170cf2e3534
- 0x44cce3b0257e241e2a149f2ca119c30e60845bcc108b5bc5eddfd86d9530716c
- 0x448e5c82d3eb30f6dc745c15dc232832d3094c6746e4ad93926a2228de6a5b62
- 0xb166f2d3cb2093e69eed9275a7344cb02d678d95f5711d25425ca32776b13790
- 0x2fb7d5f2c6cb96c8aba922ec9febe0ba2838d61c20242addcbb4a96c0048ef41
- 0x5abdb914da3fad0fcea2f16cffffc75482d2afb013a5ddc49daece5c0bef6c35
- 0x414d772285e2fa1cdf2c972c07c8aae1c98f0528d1356212d58fee57f64fdc04
- 0xfc400a7fc02d9edff49c0bb0430e95728da36c75a450e7807270f441edfd0b96
- 0x801fa1a6c8c7a30dec3166192a063bef760bb0f4d8bcbc09e1a2320664835659
- 0x584982b94b1f05a18922bba3f8ab6e95e0114fb1590617618d3c011faac442f3
- 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
- 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
- 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af