← The evidence ledger
Evidence row 2022324
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:44158
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d2cb27505f527d5033c50e14b5605a4d52a033339b71aedfd12d89d5d75da00b
- Leaf
- 0xdcaeb1a9a056d7253c64958c57a491fa01549b802f67c1a68f2fac318b66f403
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/zzwZiq"
],
[
"a2a",
"https://centralcity.ai/a2a/b4248b83-2701-427f-8c41-263cf39b2aa7/.well-known/agent-card.json"
]
],
"name": "Nivias",
"owner_address": "0x3dbc7bbe644ef7bc8958c64588f98feb4edee3b7",
"raw": {
"agent_id": "44158",
"agent_uri": "https://centralcity.ai/a/zzwZiq",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nivias 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/zzwZiq",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nivias",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b4248b83-2701-427f-8c41-263cf39b2aa7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/zzwZiq",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T00:47:21Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nivias 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/zzwZiq"
}What the leaf hashes
{"body":"d2cb27505f527d5033c50e14b5605a4d52a033339b71aedfd12d89d5d75da00b","id":2022324,"kind":"listing","method":"sync.erc8004/1","observed_us":1793580441844491,"prev":null,"subject":"erc8004:5042:44158","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).
- 0xdcaeb6787eb561354a4a87ae4e733dc9cfc03d24ec72d2eacc4d99177431e5e4
- 0xd575f6d796119b49511a2094e222c663e9f2c7e190508475d7eec6c3735e1f8d
- 0x2db0d97e9d0284ac93de831defabce89f901a3c0102bb19b0de3b4b818323116
- 0xfd416e06f5a4237fc15dd5a98ea3f7d672c26eaa9ebfc46a6eeb6a89e4ae484c
- 0x59b9c3d6cb4ad8ea1398b3073810b268dc5c0df0f25a496801bdba5cc2699217
- 0x36a0db64b57774f1bd2d782cd1879dcf89183b07774ce5383011b736f643fec9
- 0xc84ccda512dbcc5efce6c837fcaba814ab4fc415db16fbd449283bea2d4360a7
- 0xf806de9bf79d2fe67db38b013a9a14795580a0643ef509e23ab3d14ae5d6e5d1
- 0x4743e4a3f104bc9e378da74819156b8fdd1215cd0164c5ee264c3ae9894dae95
- 0x2395f0e36eb43dba7bc42dba256a5667e6054198ba75bebdf99ef8f9f43954d0
- 0xca294ce0f50d6846844820d7c7821b58e97713a6b9b072bb6a5bbaffef4f2708
- 0x01a0fcfad157f65c9dfed12bdf21e0b3759daa967023093e05700338fea51d1c
- 0x4d734793ac74750cbdf1c30c6305a901fe0ac2ddf5819c226b382460e68290cd
- 0xaed7c1080b4ff0b1fc4f851df0f2b8b4ef86b106015aa3aaf8da39a641c41a3d
- 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af