← The evidence ledger
Evidence row 2502011
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:149647
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ab5fb9922a0143036e2394494268a0bff73fe1dea596cd52d62511677b970d00
- Leaf
- 0x9550d2e74855c4ea6350572f584f70f08523d9b679d6d984d8c3bf455928301b
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/MM83rh"
],
[
"a2a",
"https://centralcity.ai/a2a/bb28f34e-521a-481f-81e1-00c79856c53d/.well-known/agent-card.json"
]
],
"name": "Hivon",
"owner_address": "0x701a42f22711420b0632e77ad904cd3dde8e4740",
"raw": {
"agent_id": "149647",
"agent_uri": "https://centralcity.ai/a/MM83rh",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hivon 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/MM83rh",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hivon",
"registrations": [
{
"agentId": 149647,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/bb28f34e-521a-481f-81e1-00c79856c53d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/MM83rh",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793670831,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T01:57:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hivon 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/MM83rh"
}What the leaf hashes
{"body":"ab5fb9922a0143036e2394494268a0bff73fe1dea596cd52d62511677b970d00","id":2502011,"kind":"listing","method":"sync.erc8004/1","observed_us":1793671067121616,"prev":null,"subject":"erc8004:5042:149647","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).
- 0x9550c3ddf157f5eb1181348f1ef058019506139408e1f7421dba145b241bd5f4
- 0x372f54c0c1c914777f20102a036046f9694c52ce8365afc8dc8ca5a87c9d2bff
- 0x19c78243ad38452495184e59c05fb729ed3a43bce036f7cd5b11c969f8fb44b2
- 0xc29544a26151187ed5bb4465b215de5369cba9b82e940a184b5939c94dca963b
- 0xb91199d688bf6732fd649f1f7f1fc253cffd218a59957edd63206e821f55e3d7
- 0xf928c86f6a85ca4eb61fc688a4cf66478147caee53f55427a2dbec2e9388edbb
- 0x0e1dc67191735b2f20ec0587c6dfc082f2e87dd11f740d3a5d8bdc461dcb333e
- 0xc8aaaa0ba747bf292c50817d78644268096a7b32498181deb89a4c5593cd268f
- 0xe0845982391f3b01253cd48b10298c234c4d5bc07ad8e5560f0f84737cc30ce8
- 0xd667a8253e7c3932cbf1b865a528fbc0a14aa4f90a7ff3d1c30a10bc431de0b1
- 0x9151db67e38bc7e6a394b58895d19266587d3dfd9a291241ee9b79fbc9c3cc2d
- 0x860c2c10eba4f0e983dd4ddd068c7664a84eb2de727da7ed7b96ff05e2133dfa
- 0xe8a1cc80f0a780fac0f4fe59ece43b6ed3c93f7812fc0d8197e2f289c28a6e91
- 0x5c9ae28a0518d4809ee022d01782eecea78011098dc22bdff483a2aa8a023b62
- 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
- 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7