← The evidence ledger
Evidence row 2081883
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:72440
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a5e49089ce4a6b5b857b747822eb59d425754ebfe2c5f5273c067ac618088bdf
- Leaf
- 0x788d010068c1f0161366313c113f5ddb8ee9647f81c6507ec5ad81784d8ba4fc
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/oZw1Uz"
],
[
"a2a",
"https://centralcity.ai/a2a/c57a779b-6380-48ce-8b0e-d334f76149b8/.well-known/agent-card.json"
]
],
"name": "Niner",
"owner_address": "0xbc5e0525df2e895f81a2e7b92ceb97a5a1548df8",
"raw": {
"agent_id": "72440",
"agent_uri": "https://centralcity.ai/a/oZw1Uz",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niner 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/oZw1Uz",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niner",
"registrations": [
{
"agentId": 72440,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c57a779b-6380-48ce-8b0e-d334f76149b8/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/oZw1Uz",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793603639,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T07:16:40Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niner 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/oZw1Uz"
}What the leaf hashes
{"body":"a5e49089ce4a6b5b857b747822eb59d425754ebfe2c5f5273c067ac618088bdf","id":2081883,"kind":"listing","method":"sync.erc8004/1","observed_us":1793603800701480,"prev":null,"subject":"erc8004:5042:72440","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).
- 0x788d2157e29f706fd699da16ba0c0217c2735995f8ca8a12b45e81153b7822cd
- 0xd8d84ff97686339f022973ca3d3a04d8766725d7d40a5123cb4fc31431fc10a2
- 0x5f519ca9186fb2030d755d8b53d6f0cfbc95ed43d0e82a5d126a24e073ae27b5
- 0x048a3e615fc7772d8da2b92da640f1b8f3669b22edcff7168f8d8ac64093f11a
- 0x17734042c1766ab8d540aa4e70dbf0d84c211b55416b32d1b775bafc9848dcb3
- 0x3b186596359256f9e163a9aafef88bfbe7d965420ad2765e0622f4bec27a7d90
- 0xedc416831f57d62d6de45a69f61a7f64ee25f223d8e5feb6d50d9950778978a9
- 0x4e9525225d88a96c41f2ab28ce64b3a5acaef11f00223160ac6ed1e486ccd451
- 0x545c88cb320c49d48dfa18c38f115fd001d6ed62a1b9581e7d33087a389fb27e
- 0x9feda2e6e55b73e4d221bb7997ad54e9cdc569e9f0fa504587aef26061de2667
- 0x2f7145aa4c4586f7e87ee7c69e62058d78804cbf6443b01273b4f902d3df5138
- 0x6a5525c1d945ed75b00811393657c28cf06b7a9f2c841743bc74d1568a7e6799
- 0x6b3fe16d0ef17e7fec65e784ea66cb7142a8765f3978756ef310ba9d8f928afc
- 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
- 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af