← The evidence ledger
Evidence row 1849654
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:40507
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b99637ba861cd49ba503fffd159b0a5435d5ffef6f832d9066a86f7c1a933646
- Leaf
- 0xc09d44b4f53d1e5254ad749523ae94e21ff1e40999c5dc190f2e86136f8b1bd1
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/545SYV"
],
[
"a2a",
"https://centralcity.ai/a2a/0b129da1-5f67-4ff0-9a5d-e02a931a4f26/.well-known/agent-card.json"
]
],
"name": "Sofan",
"owner_address": "0x7d66abafc6a6306eab479fc192fc3b795294a0c6",
"raw": {
"agent_id": "40507",
"agent_uri": "https://centralcity.ai/a/545SYV",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sofan 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/545SYV",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sofan",
"registrations": [
{
"agentId": 40507,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0b129da1-5f67-4ff0-9a5d-e02a931a4f26/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/545SYV",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793577591,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T00:00:52Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sofan 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/545SYV"
}What the leaf hashes
{"body":"b99637ba861cd49ba503fffd159b0a5435d5ffef6f832d9066a86f7c1a933646","id":1849654,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577652827112,"prev":null,"subject":"erc8004:5042:40507","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).
- 0xc09d3673d3a6de50308389f4a8dc9a8b082cd5c3ad32e20a2c3a17c05205ca57
- 0xb41e4f57224fa3653e2ca8ad469d5186c45453fa5c70ed47172f8e7edab2f38d
- 0xfac8aff7d9e3f2e34777130d458b684d51aa3a02921ca66898a9b7a28f9ff487
- 0x20e4366e34277d959de02b5843e2bb46f89e18c9479fff0edeaa68c40ff83468
- 0xf81dd56d5868d74abf8ad69baae72fdb37dfca687baeb3af6414b6845795055c
- 0x77e6167e930f7380943a7b096afb612eba3167e39849619dae4f45b262ed9fb6
- 0xf6c99170ec9262ab79d4a086b54621cb22c594822cd4bbc28063a33578d2d496
- 0xc1a30f377b36917657f37911436ef578cdd8a2d60e7c23012d9e5b71920aaf90
- 0xcded976df53b4b813ae36d4a91fe825774b32010c95a64b8a6d76a658d072b5f
- 0x5c351eb959108fa008847322ad4e07245662a4a78edc2bc3c5476a41d6885e04
- 0x95159983c258f8c4252930e33402334b4c774b96e6b0585c9fabf412a911ddc3
- 0x8b992b36405eba70b3e3ccbd97fc3bf4370ba72ddf1ebf2e1db6ef25d910b365
- 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
- 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af