← The evidence ledger
Evidence row 2577998
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:181823
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d1a317103123dcb32cd38dd594c3a5d9b32260198498c695895270aa8550eef2
- Leaf
- 0xe7220e19968822f9ca71dbd95fc39224838ceb5e93f6b1bfc0da4ce4d33a89a8
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/G8TkeM"
],
[
"a2a",
"https://centralcity.ai/a2a/0a7d5793-d8db-425b-bb47-9e9803170850/.well-known/agent-card.json"
]
],
"name": "Massose",
"owner_address": "0xbd89486df72c1064ba8733ddd414b1ab07599304",
"raw": {
"agent_id": "181823",
"agent_uri": "https://centralcity.ai/a/G8TkeM",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Massose 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/G8TkeM",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Massose",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0a7d5793-d8db-425b-bb47-9e9803170850/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/G8TkeM",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T12:20:14Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Massose 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/G8TkeM"
}What the leaf hashes
{"body":"d1a317103123dcb32cd38dd594c3a5d9b32260198498c695895270aa8550eef2","id":2577998,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708414520970,"prev":null,"subject":"erc8004:5042:181823","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).
- 0xe721e063f318632137c7b29390876eb2826733ec52faa595e0739ba5f0ef37a2
- 0xf0ea60a5537a739cb4e9239220215f99b776649402f512bbbbdb6caa812e88a0
- 0xa5bd7c031e6e2a3435e6ed97db195d27ff4815052dd44d1017375050684a0814
- 0x780a67ea3f06c6f45129168a65ef52368b31424ec18d28577aab30772cb89ecf
- 0x962afe535972abcf1e42779c98e2b5f0861493893df6748c5235d93c99006494
- 0xa5b50a64b28c3f5a420e75835f8ca081556fa2ceae29963d9b3f2353a3c545e1
- 0xa4b1a82fcfd586778b47a485cdb4c06da83ebff8007109b3b508d3715647c513
- 0xff49b48ec146f41f8861eba026fb88277e1ef7fb0af185b6afea168bd6faf3b3
- 0xa81d29ebfc073e8bc46ec9a48a026040fff4b8d19a615ae40582adbb62bc6abe
- 0xd3a7ec2f5264c0d3f6e84555765e1c528b247336c5341b9c7c45776e3e6e0c8c
- 0x16a329ee9150924d96868ec831e09b814e75ce883eae95b89482af5a4b013b4c
- 0x1366fb16374cd636e0fbc97067371409338360333931a86273f1fb1d2d255974
- 0xbcb7e33710288371b8a8f9598748fadd8f5ccf7e279c079db0a58ce353bf38ed
- 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
- 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
- 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7