← The evidence ledger
Evidence row 2518647
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:156071
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6a117e5b8df58aaa50c3ceac1aed5a8160c0eca53e7f113756c38293d0dac4ba
- Leaf
- 0x57330a02c89b88471cddfe1a058971aff85d3206d68d3b84a9426a22bf34946a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/5x1v62"
],
[
"a2a",
"https://centralcity.ai/a2a/a1680504-a877-49f3-82d5-f72ebfe69d4a/.well-known/agent-card.json"
]
],
"name": "Havjo",
"owner_address": "0x11209c403b814cc76cbc2aee4aa6494bcca3765e",
"raw": {
"agent_id": "156071",
"agent_uri": "https://centralcity.ai/a/5x1v62",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Havjo 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/5x1v62",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Havjo",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a1680504-a877-49f3-82d5-f72ebfe69d4a/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/5x1v62",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T03:56:35Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Havjo 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/5x1v62"
}What the leaf hashes
{"body":"6a117e5b8df58aaa50c3ceac1aed5a8160c0eca53e7f113756c38293d0dac4ba","id":2518647,"kind":"listing","method":"sync.erc8004/1","observed_us":1793678195234130,"prev":null,"subject":"erc8004:5042:156071","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).
- 0x57335e5be2ae72ef1ad4d056c928b634e11642ba92e1147537e61d60c8cf3ec3
- 0x162bb3412237d02e79ddb6320eb4a9d8ec3fe4f0732fa86c1cde86df60cf6a24
- 0x898ebd90825a3dd8cc20772a65fc310f4170f25eb85fad888f60d4d0e005e62b
- 0x3985cedef0cc162daa1a8b5040819061014721cedc361a70e4a14e5aeccdf317
- 0x48c97bc25d49bf4375e79a69fe867719de320b728b376d64f9f7901bde420987
- 0x4b6fae5b6e38072a82cf540e078afe45f9a6e18c7814ed2491ffb0eb17752165
- 0x69725ec0a207044b80f714f77ad0a0a979e5294f2157f6151c085673b165ad92
- 0xbd7dddb3fe4dfaa3d865b4cee69bbda28dbef1f6ce6498bc701f6eb8e41ceca1
- 0x0136bbb6cbb0da5d45299cb9747777ce25295cde88ff9beb1e6d3d5774f44a6a
- 0xdf9e3672bf8132b9ed0ae2fcede324128222dcf1afe7cf4e700b830bc6f86e15
- 0xf345e033db21ca6c9b45001fe124a132ce2e3c2ff7cb969d289949cccc96a040
- 0x5d5a3ab10dd6f648841ff0f51748c0f332dddf350a2dd23af3a95ec40cfeda2e
- 0x3ac62fcf3380a6da35d0b46e086a6e875d80896d818cf88fdfabb69923404b5b
- 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
- 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
- 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
- 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7