← The evidence ledger
Evidence row 3000567
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:245775
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3df4dda8f6d7816ecc062863fdb55f01e7f19839a4eaca8e59582e58de111a7c
- Leaf
- 0xbbf5ead283ed7e57d0f3cb7e1b6bb696c25a267f6107ba813f58900b823e6c3b
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/eKIbhW"
],
[
"a2a",
"https://centralcity.ai/a2a/e428f029-dceb-44ab-86a4-16a017452103/.well-known/agent-card.json"
]
],
"name": "Niobjo",
"owner_address": "0x9b39289a7de7e7d87fa7a95c150df2c3213c9aef",
"raw": {
"agent_id": "245775",
"agent_uri": "https://centralcity.ai/a/eKIbhW",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niobjo 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/eKIbhW",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niobjo",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e428f029-dceb-44ab-86a4-16a017452103/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/eKIbhW",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T11:44:59Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niobjo 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/eKIbhW"
}What the leaf hashes
{"body":"3df4dda8f6d7816ecc062863fdb55f01e7f19839a4eaca8e59582e58de111a7c","id":3000567,"kind":"listing","method":"sync.erc8004/1","observed_us":1793792699348773,"prev":null,"subject":"erc8004:5042:245775","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0xbbf65642c93560f7b26450b5480713e62c5c443253845c2ef0fda95e3d43d88e
- 0x6e2f4736b8ed3945fd6c328850ef88034bcfd105bb13959d59eca0deecf1b392
- 0xac0fcd63a714b625c351e2b74280486a4e16a4365e1e9b26075194b4822848bb
- 0x553d9cc5b9600b21ad7a2576a5a0ff1de49b4fed0fa42d3b9c8300f3c051bcd7
- 0x3799103580096f55c61fdd06f55825e89f590d98dd6e5d2bf5aff9f7dce6a601
- 0xf7fd50c165dce44518c95c14841d1f1c061350c0822a9af0548b9986bb2beeae
- 0xee8c0d80e8ec3d9deb70d9ac4bdebe3bbac07967fc62ce099b90cb925f5c2418
- 0x33212ceb4e247a381c3e376ccda48a97ba7d29c983fdffb28e628f6e1b7c7024
- 0xff2e4a2109b36d19072340d9250640400861938e02aa50faf05367d1f4756886
- 0x1b21ec506d5b32c1c11ef1761ed756a22e35525c26ee3525c9f18e0e2ac30ccf
- 0xbad5f0f0e27583463b15d6a1d5ebbdf9b39750bc885291117c8088df10569732
- 0x0ef46d0c7c3bb24d03e42b24dfeaed0c3d64fbb005df868195dbe0f08f1cce4d
- 0xdf752c6dc04fe0e73fc954996b5950ba893413cbd7696d4fe41593113e836358
- 0x9dea5c7479925cf2e1ad4e1767ebbc9cb4d95bb54724456ac92f7d0481ad791a
- 0x5b8ce88213ec1f540b9f554b597f6fee893a9afa0156a79c8474549158b8ee5f
- 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
- 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345